{"id":4250,"date":"2026-02-11T19:15:17","date_gmt":"2026-02-11T11:15:17","guid":{"rendered":"https:\/\/www.go2posts.com\/vn\/case-study-use-case-diagram-for-a-food-delivery-platform\/"},"modified":"2026-02-11T19:15:17","modified_gmt":"2026-02-11T11:15:17","slug":"case-study-use-case-diagram-for-a-food-delivery-platform","status":"publish","type":"post","link":"https:\/\/www.go2posts.com\/vn\/case-study-use-case-diagram-for-a-food-delivery-platform\/","title":{"rendered":"Nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh: Bi\u1ec3u \u0111\u1ed3 Use Case cho N\u1ec1n t\u1ea3ng Giao \u0111\u1ed3 \u0103n"},"content":{"rendered":"<p><em>M\u00f4 h\u00ecnh h\u00f3a c\u00e1c y\u00eau c\u1ea7u th\u1ef1c t\u1ebf b\u1eb1ng UML \u2013 H\u01b0\u1edbng d\u1eabn th\u1ef1c ti\u1ec5n<\/em><\/p>\n<hr\/>\n<h2><strong>1. Gi\u1edbi thi\u1ec7u<\/strong><\/h2>\n<p>Trong ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m hi\u1ec7n \u0111\u1ea1i, <strong>bi\u1ec3u \u0111\u1ed3 use case<\/strong>l\u00e0 c\u00f4ng c\u1ee5 n\u1ec1n t\u1ea3ng \u0111\u1ec3 n\u1eafm b\u1eaft c\u00e1c y\u00eau c\u1ea7u ch\u1ee9c n\u0103ng t\u1eeb g\u00f3c \u0111\u1ed9 ng\u01b0\u1eddi d\u00f9ng. Nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh n\u00e0y tr\u00ecnh b\u00e0y ph\u00e2n t\u00edch chi ti\u1ebft v\u1ec1 m\u1ed9t <strong>bi\u1ec3u \u0111\u1ed3 use case th\u1ef1c t\u1ebf<\/strong>cho m\u1ed9t <strong>Giao \u0111\u1ed3 \u0103n<\/strong>, s\u1eed d\u1ee5ng <strong>c\u00fa ph\u00e1p PlantUML<\/strong>l\u00e0m ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a. M\u1ee5c ti\u00eau l\u00e0 kh\u00f4ng ch\u1ec9 ch\u1ee9ng minh <em>c\u00e1i g\u00ec<\/em>c\u00e1c ph\u1ea7n t\u1eed n\u00e0o \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong bi\u1ec3u \u0111\u1ed3, m\u00e0 c\u00f2n <em>t\u1ea1i sao<\/em>ch\u00fang \u0111\u01b0\u1ee3c l\u1ef1a ch\u1ecdn \u2014 l\u00e0m n\u1ed5i b\u1eadt <strong>c\u00e1c quy\u1ebft \u0111\u1ecbnh m\u00f4 h\u00ecnh h\u00f3a th\u1ef1c ti\u1ec5n<\/strong>, <strong>c\u00e1c quy \u01b0\u1edbc<\/strong>, v\u00e0 <strong>nh\u1eefng sai l\u1ea7m ph\u1ed5 bi\u1ebfn<\/strong>.<\/p>\n<p>Nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh n\u00e0y ph\u1ee5c v\u1ee5 c\u1ea3 <strong>ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u h\u1ecdc UML<\/strong>v\u00e0 <strong>c\u00e1c chuy\u00ean gia \u0111ang tinh ch\u1ec9nh th\u1ef1c h\u00e0nh m\u00f4 h\u00ecnh h\u00f3a c\u1ee7a h\u1ecd<\/strong>. N\u00f3 ph\u00e2n t\u00edch t\u1eebng ph\u1ea7n t\u1eed c\u1ee7a bi\u1ec3u \u0111\u1ed3, gi\u1ea3i th\u00edch m\u1ee5c \u0111\u00edch c\u1ee7a n\u00f3 v\u00e0 th\u1ea3o lu\u1eadn v\u1ec1 c\u00e1c h\u1ec7 qu\u1ea3 th\u1ef1c t\u1ebf.<\/p>\n<hr\/>\n<h2><strong>2. T\u1ed5ng quan h\u1ec7 th\u1ed1ng<\/strong><\/h2>\n<p>N\u1ec1n t\u1ea3ng <strong>Giao \u0111\u1ed3 \u0103n<\/strong> l\u00e0 m\u1ed9t th\u1ecb tr\u01b0\u1eddng k\u1ef9 thu\u1eadt s\u1ed1 k\u1ebft n\u1ed1i:<\/p>\n<ul>\n<li><strong>Kh\u00e1ch h\u00e0ng<\/strong>(c\u00e1c c\u00e1 nh\u00e2n \u0111\u1eb7t \u0111\u1ed3 \u0103n),<\/li>\n<li><strong>Nh\u00e0 h\u00e0ng<\/strong>(c\u00e1c \u0111\u01a1n v\u1ecb cung c\u1ea5p b\u1eefa \u0103n),<\/li>\n<li><strong>T\u00e0i x\u1ebf<\/strong>(nh\u00e2n vi\u00ean giao h\u00e0ng),<\/li>\n<li><strong>C\u1ed5ng thanh to\u00e1n b\u00ean ngo\u00e0i<\/strong>(c\u00e1c h\u1ec7 th\u1ed1ng b\u00ean th\u1ee9 ba x\u1eed l\u00fd giao d\u1ecbch).<\/li>\n<\/ul>\n<p>N\u1ec1n t\u1ea3ng cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng duy\u1ec7t qua c\u00e1c nh\u00e0 h\u00e0ng, \u0111\u1eb7t h\u00e0ng, theo d\u00f5i giao h\u00e0ng, qu\u1ea3n l\u00fd thanh to\u00e1n v\u00e0 \u00e1p d\u1ee5ng c\u00e1c ch\u01b0\u01a1ng tr\u00ecnh khuy\u1ebfn m\u00e3i. H\u1ec7 th\u1ed1ng t\u00edch h\u1ee3p v\u1edbi c\u00e1c d\u1ecbch v\u1ee5 b\u00ean ngo\u00e0i nh\u01b0 b\u1ed9 x\u1eed l\u00fd thanh to\u00e1n v\u00e0 kh\u00f4ng x\u1eed l\u00fd logic thanh to\u00e1n n\u1ed9i b\u1ed9.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/uml.planttext.com\/plantuml\/png\/VLLBRjim4Dq7y1q6tZG5R7TV645Skosw268qBRAUa2EP24KA91NN_G2zGs_OatHeYehaoDLECs_U_9v6rpwW2qsb9nV-KPaQ7LPGMMF5pjcA8BY6-Yw_GsdtofHGeFRicbneAW842qwLkm1IEH91MHDThs2bDQ08rdb0Ho2fK8Oas2Pu9Pb-Hn3nQ4hDP4Sah1iVEBVBxzFFL2eVo75Wzaq1FR1z1CiTDGvDWBk0HT42ip7ZDauzzQAsUAY8GxRE2lBU9lxM-l4-zjAL2TCFrahOa8uK1zXg38LrrHH-H1pmS_dEsRsdNbx_klKmMX3SEaakcxuu58z3qmqQB0bko3JPj1A2wW1lk4Qguom70MqrGsFRJUuZcpzvtyJQYiR8ZhskzI6sNrbOMqdP_fMxk4UjgOjUevEdZ1jLge2wHVQyoSyou9aAXL4N7lx-_iDYY1C2uIpN5rNmOBaQT8SKaTSAwPdFh_upqvuCEl3BCO-XXfFFk4v07UxbEiPGPpUKGfBa0FezdQuj8JlTzP3Zknn3dgmthq0PeHj98pA4nM8a0QFUmdBPXbrTFJFHjq16ZX41B1UB4J4bgXGNcKRLcM9xWaiz3IDp3IKPSgZLTqotvWpZp_byNB5de6U5_AizPyTpCKmEbtm9RJvfZEraTkGS7Ad9XR61sbDfY_w50NZFNJh3sUls6fKOQ8_7J-BoBZXLqon6R57FO2KFP6QykWLdvE509EuIFDZ06ME6yI_xjewLSwhuBLh3WFsE320ySLiI1ED0UU0YujKT9hZc5_vX_0C0\"\/><\/p>\n<p>M\u00e3 PlantUML:<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">PlantUML<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:TLHBRjim4DqRy1q6tjG1R7TV64PSkosw268qBRAUY2EP24KA91NN_G2zGs_OatH67qUIxILdtdlpvss8w6EPc_4eF6jReCSSScTTilSk9uY-fAuhx56vWxOPf6W2kyOZGsc4wC3hR1z1QKz9rCwAwmsiZG5CelC1q1CeIhKb1QwCGIkMtnC87crcMAn2mgOCaMFxzZtvGfaEaJmJMzy4C03RBs2vejAZZV0GCKqRO6jiSLklNpgi7HvpOihEkuH2SBL-O_tqABMSqeJ9H-SKRCc8n15s1cFgV3w1duARllVk4AWJCzombL49mRrNvENvrMFo_FgyGuiPmHtPKfxh9A4YmblEXmhfsmdOH7qrD1ctkOhfSmYbn4zBgogreZ17AIrti76AnFQDCtn4OwXYRD2hhi9MPpgYQH0TJpLIxa-YKMOSuD-VlpnOgHWIxpWFcUYJuyZeZ-DHEnwOprTmkJET8TQeVgVEtFtE2U0qyChVR-NGUxMpur6z4ZLisERnwBGBJP9dRHy01aEGnccRc5BHO1bWiRYW1-zWkMm8grNDf--Hh1hIbui5d8-uujS4eP_hLxJE5Wm84YyZInwD_e7rFLyG-JMVmzdsN85TNQhVpLvLfzWF2bF-PLpxNTnq5ghIx7q0uv5raPfloANTw_t0TNdBiOlcpZECT41UqEb3zBgWcQ1tQ6QmLaUoCnxAWgDnCq14J-9FBd8qKRzqLVU5vCnXv2gSPVTXJnOGNhWW1GcZG0VW1EGlwylVyeE_uVy0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Ch\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">PlantUML<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:bLL1QzH05Bu7yXyUlLYXkzwbbEeMUX2bQa6lqsIQ6PfCrknaxQA2nKCH4Ip5WtYmTUbXnQ9LH4me7hBrVuo_nFUIxMwQRIgzx6RslU-zxttlo-nYHxD8nu5lMvqDgTeiOW44eGeT4OK11nt5l1pg2EQ6ZwNoO9tv7GpPbi_NDUWG8ka93QwCkADbg2Xq1LPDSg31CKaVd6pVWIwJM3Fx1iCTasx5-FNdgqdxJdv-fGGeJmm73DQoJmgVmsnFWiW-Oy0H9lq2IfZaKDiMStGOGIlkQ6GPdPvdRWbi8X2nXmo7EraVFuOly7aZEvu1re5xt9i2tH7PHmLTcRT4Q04VfQC-SSJKkELI9Bibx4sJleDDanw2dns35WoPwZ3RLpbyXVK2hlJo0nA3T67AypbsnDaLQ5G5gNcIXVduku1KP-099SyknJsJRcju5BCIgQiO6RunoKyzEQyA7eAR_P0avhwQ1Ex6r614pAH7Jf50eHRAUD0kr5Hm3Le2SmSArd09rJBBn6zyUdZEhFJx2YfVa4BvSMqudgGfAPPjjS4rwG4E6-1ADWJEblnMT90KlqyrHmdTxB0OQbmTIIL76C4PahGcXYYaZGstITQKIf3xRfjqHvA4E0x6uE_pNGXE1cX1sdKtjruXSKGbFIpmNjhMgKEWqLY0-asKl5HaLZOp5Q_R5AMU-gp8h5zTDVCIcxIjmhm5yCnQRMjirI9Qi-PArWLB9_cbSlpOvLNFGhDPrm6km_py2BQmK5JXcvehTwh8VBC95pihBrQWgLPDnxnErO4LAD5Ovef7pCVstrbziQUD1bnetalYpZ7sisa-asjrrZaP8Coa7yfNwDMIf_DMPwv1srAXvgFxErmltrejaxxDsPU8JShIgwiZsUPpX5bX_XpSS7jSpU66czWJrGCgFMwn5chiIJt-ToUiPhzw-PN_MkLlBJs-n2nPEBsTW_2tVXjy5ETihqKyu5_QFm00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\nskinparam monochrome true\r\nskinparam shadowing false\r\n\r\nleft to right direction\r\n\r\n' T\u1ea5t c\u1ea3 c\u00e1c vai tr\u00f2 \u0111\u1ec1u \u0111\u01b0\u1ee3c \u0111\u1ecbnh ngh\u0129a b\u00ean ngo\u00e0i h\u00ecnh ch\u1eef nh\u1eadt\r\nactor Customer\r\nactor \"Kh\u00e1ch h\u00e0ng \u0111\u00e3 \u0111\u0103ng k\u00fd\" as RegCustomer\r\nactor \"Nh\u00e2n vi\u00ean nh\u00e0 h\u00e0ng\" as Restaurant\r\nactor Driver\r\nactor \"B\u1ed9 x\u1eed l\u00fd thanh to\u00e1n\" as PaymentGW\r\n\r\nrectangle \"N\u1ec1n t\u1ea3ng giao \u0111\u1ed3 \u0103n\" {\r\n\r\n(Duy\u1ec7t qua nh\u00e0 h\u00e0ng)\r\n(\u0110\u1eb7t h\u00e0ng)\r\n(Theo d\u00f5i \u0111\u01a1n h\u00e0ng)\r\n(Qu\u1ea3n l\u00fd th\u1ef1c \u0111\u01a1n)\r\n(Ch\u1ea5p nh\u1eadn \/ Chu\u1ea9n b\u1ecb \u0111\u01a1n h\u00e0ng)\r\n(Giao h\u00e0ng)\r\n(X\u1eed l\u00fd thanh to\u00e1n)\r\n(Ph\u00e1t h\u00e0nh ho\u00e0n ti\u1ec1n)\r\n(\u00c1p d\u1ee5ng m\u00e3 khuy\u1ebfn m\u00e3i)\r\n(S\u1eed d\u1ee5ng v\u00ed)\r\n(Thanh to\u00e1n b\u1eb1ng th\u1ebb)\r\n(Thanh to\u00e1n b\u1eb1ng v\u00ed \u0111i\u1ec7n t\u1eed)\r\n\r\n' M\u1ed1i quan h\u1ec7 \u2013 m\u0169i t\u00ean v\u01b0\u1ee3t qua ranh gi\u1edbi\r\nCustomer --&gt; (Duy\u1ec7t qua nh\u00e0 h\u00e0ng)\r\nRegCustomer --&gt; (\u0110\u1eb7t h\u00e0ng)\r\nRegCustomer --&gt; (Theo d\u00f5i \u0111\u01a1n h\u00e0ng)\r\n\r\nRestaurant --&gt; (Qu\u1ea3n l\u00fd th\u1ef1c \u0111\u01a1n)\r\nRestaurant --&gt; (Ch\u1ea5p nh\u1eadn \/ Chu\u1ea9n b\u1ecb \u0111\u01a1n h\u00e0ng)\r\n\r\nDriver --&gt; (Giao h\u00e0ng)\r\n\r\nPaymentGW --&gt; (X\u1eed l\u00fd thanh to\u00e1n)\r\nPaymentGW --&gt; (Ph\u00e1t h\u00e0nh ho\u00e0n ti\u1ec1n)\r\n\r\n' include\r\n(\u0110\u1eb7t h\u00e0ng) ..&gt; (X\u1eed l\u00fd thanh to\u00e1n) : &lt;&lt;include&gt;&gt;\r\n\r\n' extend\r\n(\u0110\u1eb7t h\u00e0ng) &lt;.. (\u00c1p d\u1ee5ng m\u00e3 khuy\u1ebfn m\u00e3i) : &lt;&lt;extend&gt;&gt;\r\n(X\u1eed l\u00fd thanh to\u00e1n) &lt;.. (S\u1eed d\u1ee5ng v\u00ed) : &lt;&lt;extend&gt;&gt;\r\n\r\n' General h\u00f3a\r\n(X\u1eed l\u00fd thanh to\u00e1n) &lt;|-- (Thanh to\u00e1n b\u1eb1ng th\u1ebb)\r\n(X\u1eed l\u00fd thanh to\u00e1n) &lt;|-- (Thanh to\u00e1n b\u1eb1ng v\u00ed \u0111i\u1ec7n t\u1eed)\r\n}\r\n\r\n' General h\u00f3a vai tr\u00f2 (c\u0169ng \u1edf b\u00ean ngo\u00e0i)\r\nCustomer &lt;|-- RegCustomer\r\n\r\nnote right of PaymentGW\r\nC\u1ed5ng thanh to\u00e1n b\u00ean ngo\u00e0i\r\n(Stripe, PayPal, Adyen, ...)\r\nend note\r\n\r\nnote bottom of (\u00c1p d\u1ee5ng m\u00e3 khuy\u1ebfn m\u00e3i)\r\nT\u00f9y ch\u1ecdn \u2013 ch\u1ec9 khi nh\u1eadp m\u00e3 h\u1ee3p l\u1ec7\r\nend note\r\n\r\n@enduml<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:bLL1QzH05Bu7yXyUlLYXkzwbbEeMUX2bQa6lqsIQ6PfCrknaxQA2nKCH4Ip5WtYmTUbXnQ9LH4me7hBrVuo_nFUIxMwQRIgzx6RslU-zxttlo-nYHxD8nu5lMvqDgTeiOW44eGeT4OK11nt5l1pg2EQ6ZwNoO9tv7GpPbi_NDUWG8ka93QwCkADbg2Xq1LPDSg31CKaVd6pVWIwJM3Fx1iCTasx5-FNdgqdxJdv-fGGeJmm73DQoJmgVmsnFWiW-Oy0H9lq2IfZaKDiMStGOGIlkQ6GPdPvdRWbi8X2nXmo7EraVFuOly7aZEvu1re5xt9i2tH7PHmLTcRT4Q04VfQC-SSJKkELI9Bibx4sJleDDanw2dns35WoPwZ3RLpbyXVK2hlJo0nA3T67AypbsnDaLQ5G5gNcIXVduku1KP-099SyknJsJRcju5BCIgQiO6RunoKyzEQyA7eAR_P0avhwQ1Ex6r614pAH7Jf50eHRAUD0kr5Hm3Le2SmSArd09rJBBn6zyUdZEhFJx2YfVa4BvSMqudgGfAPPjjS4rwG4E6-1ADWJEblnMT90KlqyrHmdTxB0OQbmTIIL76C4PahGcXYYaZGstITQKIf3xRfjqHvA4E0x6uE_pNGXE1cX1sdKtjruXSKGbFIpmNjhMgKEWqLY0-asKl5HaLZOp5Q_R5AMU-gp8h5zTDVCIcxIjmhm5yCnQRMjirI9Qi-PArWLB9_cbSlpOvLNFGhDPrm6km_py2BQmK5JXcvehTwh8VBC95pihBrQWgLPDnxnErO4LAD5Ovef7pCVstrbziQUD1bnetalYpZ7sisa-asjrrZaP8Coa7yfNwDMIf_DMPwv1srAXvgFxErmltrejaxxDsPU8JShIgwiZsUPpX5bX_XpSS7jSpU66czWJrGCgFMwn5chiIJt-ToUiPhzw-PN_MkLlBJs-n2nPEBsTW_2tVXjy5ETihqKyu5_QFm00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:TLHBRjim4DqRy1q6tjG1R7TV64PSkosw268qBRAUY2EP24KA91NN_G2zGs_OatH67qUIxILdtdlpvss8w6EPc_4eF6jReCSSScTTilSk9uY-fAuhx56vWxOPf6W2kyOZGsc4wC3hR1z1QKz9rCwAwmsiZG5CelC1q1CeIhKb1QwCGIkMtnC87crcMAn2mgOCaMFxzZtvGfaEaJmJMzy4C03RBs2vejAZZV0GCKqRO6jiSLklNpgi7HvpOihEkuH2SBL-O_tqABMSqeJ9H-SKRCc8n15s1cFgV3w1duARllVk4AWJCzombL49mRrNvENvrMFo_FgyGuiPmHtPKfxh9A4YmblEXmhfsmdOH7qrD1ctkOhfSmYbn4zBgogreZ17AIrti76AnFQDCtn4OwXYRD2hhi9MPpgYQH0TJpLIxa-YKMOSuD-VlpnOgHWIxpWFcUYJuyZeZ-DHEnwOprTmkJET8TQeVgVEtFtE2U0qyChVR-NGUxMpur6z4ZLisERnwBGBJP9dRHy01aEGnccRc5BHO1bWiRYW1-zWkMm8grNDf--Hh1hIbui5d8-uujS4eP_hLxJE5Wm84YyZInwD_e7rFLyG-JMVmzdsN85TNQhVpLvLfzWF2bF-PLpxNTnq5ghIx7q0uv5raPfloANTw_t0TNdBiOlcpZECT41UqEb3zBgWcQ1tQ6QmLaUoCnxAWgDnCq14J-9FBd8qKRzqLVU5vCnXv2gSPVTXJnOGNhWW1GcZG0VW1EGlwylVyeE_uVy0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Ch\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<blockquote>\n<p>\u2705 <strong>\u0110i\u1ec3m nh\u1ea5n ch\u00ednh<\/strong>: S\u01a1 \u0111\u1ed3 t\u1eadp trung v\u00e0o <em>c\u00e1c t\u01b0\u01a1ng t\u00e1c b\u00ean ngo\u00e0i<\/em> \u2014 n\u00f3 cho th\u1ea5y h\u1ec7 th\u1ed1ng <em>l\u00e0m<\/em>cho ng\u01b0\u1eddi d\u00f9ng v\u00e0 c\u00e1c h\u1ec7 th\u1ed1ng c\u1ee7a n\u00f3, ch\u1ee9 kh\u00f4ng ph\u1ea3i c\u00e1ch n\u00f3 \u0111\u01b0\u1ee3c tri\u1ec3n khai.<\/p>\n<\/blockquote>\n<hr\/>\n<h2><strong>3. C\u00e1c th\u00e0nh ph\u1ea7n s\u01a1 \u0111\u1ed3: \u0110i s\u00e2u v\u1edbi \u00fd ngh\u0129a th\u1ef1c ti\u1ec5n<\/strong><\/h2>\n<p>D\u01b0\u1edbi \u0111\u00e2y l\u00e0 ph\u00e2n t\u00edch chi ti\u1ebft t\u1eebng th\u00e0nh ph\u1ea7n UML \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong s\u01a1 \u0111\u1ed3, k\u00e8m theo c\u00e1ch di\u1ec5n gi\u1ea3i th\u1ef1c t\u1ebf v\u00e0 l\u00fd do m\u00f4 h\u00ecnh h\u00f3a.<\/p>\n<table>\n<thead>\n<tr>\n<th>#<\/th>\n<th>Th\u00e0nh ph\u1ea7n<\/th>\n<th>K\u00fd hi\u1ec7u<\/th>\n<th>\u00dd ngh\u0129a &amp; M\u1ee5c \u0111\u00edch<\/th>\n<th>Quy\u1ebft \u0111\u1ecbnh m\u00f4 h\u00ecnh h\u00f3a \/ Nh\u1eadn x\u00e9t<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>1<\/strong><\/td>\n<td><strong>Bi\u00ean gi\u1edbi h\u1ec7 th\u1ed1ng<\/strong><\/td>\n<td><code data-backticks=\"1\">h\u00ecnh ch\u1eef nh\u1eadt \"N\u1ec1n t\u1ea3ng Giao \u0111\u1ed3 \u0103n\"<\/code><\/td>\n<td>X\u00e1c \u0111\u1ecbnh <strong>ph\u1ea1m vi<\/strong>c\u1ee7a h\u1ec7 th\u1ed1ng \u0111ang \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a. T\u1ea5t c\u1ea3 c\u00e1c k\u1ecbch b\u1ea3n s\u1eed d\u1ee5ng b\u00ean trong \u0111\u1ec1u l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng n\u00e0y.<\/td>\n<td>T\u00ean ph\u1ea3i ng\u1eafn g\u1ecdn nh\u01b0ng m\u00f4 t\u1ea3 r\u00f5 r\u00e0ng. Trong b\u1ed1i c\u1ea3nh doanh nghi\u1ec7p, c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng c\u00e1c t\u00ean d\u00e0i h\u01a1n (v\u00ed d\u1ee5: &#8220;H\u1ec7 th\u1ed1ng Qu\u1ea3n l\u00fd \u0110\u01a1n h\u00e0ng Kh\u00e1ch h\u00e0ng&#8221;).<\/td>\n<\/tr>\n<tr>\n<td><strong>2<\/strong><\/td>\n<td><strong>Ng\u01b0\u1eddi d\u00f9ng ch\u00ednh<\/strong><\/td>\n<td><code data-backticks=\"1\">actor Kh\u00e1ch h\u00e0ng<\/code>, <code data-backticks=\"1\">actor T\u00e0i x\u1ebf<\/code><\/td>\n<td>\u0110\u1ea1i di\u1ec7n cho <strong>c\u00e1c vai tr\u00f2 b\u00ean ngo\u00e0i<\/strong>kh\u1edfi t\u1ea1o ho\u1eb7c tham gia v\u00e0o c\u00e1c k\u1ecbch b\u1ea3n s\u1eed d\u1ee5ng.<\/td>\n<td>T\u00ean c\u1ea7n \u0111\u01a1n gi\u1ea3n v\u00e0 tr\u1ef1c quan. Tr\u00e1nh c\u00e1c \u0111\u1ecbnh danh kh\u00f4ng c\u1ea7n thi\u1ebft nh\u01b0 <code data-backticks=\"1\">&lt;&lt;ng\u01b0\u1eddi&gt;&gt;<\/code>tr\u1eeb khi c\u1ea7n thi\u1ebft cho c\u00e1c m\u00f4 h\u00ecnh l\u1edbn.<\/td>\n<\/tr>\n<tr>\n<td><strong>3<\/strong><\/td>\n<td><strong>Ng\u01b0\u1eddi d\u00f9ng c\u00f3 bi\u1ec7t danh<\/strong><\/td>\n<td><code data-backticks=\"1\">actor \"Nh\u00e2n vi\u00ean Nh\u00e0 h\u00e0ng\" as Restaurant<\/code><\/td>\n<td>Cho ph\u00e9p r\u00fat ng\u1eafn t\u00ean ng\u01b0\u1eddi d\u00f9ng d\u00e0i v\u00e0 m\u00f4 t\u1ea3 \u0111\u1ec3 t\u0103ng t\u00ednh r\u00f5 r\u00e0ng trong c\u00e1c k\u1ebft n\u1ed1i.<\/td>\n<td>R\u1ea5t hi\u1ec7u qu\u1ea3 khi t\u00ean ng\u01b0\u1eddi d\u00f9ng ch\u1ee9a kho\u1ea3ng tr\u1eafng ho\u1eb7c qu\u00e1 d\u00e0i. Gi\u1ea3m s\u1ef1 r\u01b0\u1eddm r\u00e0 v\u00e0 c\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng \u0111\u1ecdc.<\/td>\n<\/tr>\n<tr>\n<td><strong>4<\/strong><\/td>\n<td><strong>Ng\u01b0\u1eddi d\u00f9ng h\u1ec7 th\u1ed1ng b\u00ean ngo\u00e0i<\/strong><\/td>\n<td><code data-backticks=\"1\">actor \"B\u1ed9 x\u1eed l\u00fd Thanh to\u00e1n\" as PaymentGW<\/code><\/td>\n<td>M\u00f4 h\u00ecnh h\u00f3a <strong>c\u00e1c h\u1ec7 th\u1ed1ng b\u00ean th\u1ee9 ba<\/strong>m\u00e0 n\u1ec1n t\u1ea3ng t\u01b0\u01a1ng t\u00e1c.<\/td>\n<td>Kh\u00f4ng c\u00f3 \u0111\u1ecbnh danh <code data-backticks=\"1\">\u00abh\u1ec7 th\u1ed1ng\u00bb<\/code> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u2014 ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c trong c\u00e1c s\u01a1 \u0111\u1ed3 nh\u1eb9. Tuy nhi\u00ean, vi\u1ec7c th\u00eam &#8220;<code data-backticks=\"1\">\u00abh\u1ec7 th\u1ed1ng\u00bb<\/code> c\u00f3 th\u1ec3 l\u00e0m r\u00f5 \u00fd \u0111\u1ecbnh trong c\u00e1c h\u1ec7 th\u1ed1ng ph\u1ee9c t\u1ea1p.<\/td>\n<\/tr>\n<tr>\n<td><strong>5<\/strong><\/td>\n<td><strong>T\u1ed5ng qu\u00e1t h\u00f3a Di\u1ec5n vi\u00ean<\/strong><\/td>\n<td>`Kh\u00e1ch h\u00e0ng &lt;<\/td>\n<td>\u2014 Kh\u00e1ch h\u00e0ng \u0110\u00e3 \u0111\u0103ng k\u00fd`<\/td>\n<td>Ch\u1ec9 ra r\u1eb1ng m\u1ed9t <strong>kh\u00e1ch h\u00e0ng \u0111\u00e3 \u0111\u0103ng k\u00fd<\/strong> l\u00e0 m\u1ed9t phi\u00ean b\u1ea3n chuy\u00ean bi\u1ec7t c\u1ee7a m\u1ed9t <strong>kh\u00e1ch v\u00e3ng lai<\/strong>.<\/td>\n<\/tr>\n<tr>\n<td><strong>6<\/strong><\/td>\n<td><strong>Li\u00ean k\u1ebft Th\u00f4ng th\u01b0\u1eddng<\/strong><\/td>\n<td><code data-backticks=\"1\">Kh\u00e1ch h\u00e0ng --&gt; (Duy\u1ec7t qua Nh\u00e0 h\u00e0ng)<\/code><\/td>\n<td>Cho th\u1ea5y di\u1ec5n vi\u00ean <strong>kh\u1edfi t\u1ea1o<\/strong> ho\u1eb7c <strong>tham gia v\u00e0o<\/strong> tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/td>\n<td>\u0110\u01b0\u1eddng li\u1ec1n = giao ti\u1ebfp. H\u01b0\u1edbng \u0111\u01b0\u1ee3c ng\u1ea7m hi\u1ec3u t\u1eeb di\u1ec5n vi\u00ean \u0111\u1ebfn tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng (kh\u00f4ng c\u1ea7n m\u0169i t\u00ean).<\/td>\n<\/tr>\n<tr>\n<td><strong>7<\/strong><\/td>\n<td><strong>M\u1ed1i quan h\u1ec7 \u00abinclude\u00bb<\/strong><\/td>\n<td><code data-backticks=\"1\">(\u0110\u1eb7t h\u00e0ng) ..&gt; (X\u1eed l\u00fd thanh to\u00e1n) : &lt;&lt;include&gt;&gt;<\/code><\/td>\n<td><code data-backticks=\"1\">X\u1eed l\u00fd thanh to\u00e1n<\/code> l\u00e0 <strong>lu\u00f4n b\u1eaft bu\u1ed9c<\/strong> khi \u0111\u1eb7t h\u00e0ng.<\/td>\n<td>M\u0169i t\u00ean ch\u1ec9 <strong>t\u1eeb ph\u1ea7n bao g\u1ed3m \u2192 ph\u1ea7n \u0111\u01b0\u1ee3c bao g\u1ed3m<\/strong>. \u0110i\u1ec1u n\u00e0y l\u00e0 quan tr\u1ecdng: <code data-backticks=\"1\">\u0110\u1eb7t h\u00e0ng<\/code> <em>bao g\u1ed3m<\/em> <code data-backticks=\"1\">X\u1eed l\u00fd thanh to\u00e1n<\/code> nh\u01b0 m\u1ed9t b\u01b0\u1edbc b\u1eaft bu\u1ed9c.<\/td>\n<\/tr>\n<tr>\n<td><strong>8<\/strong><\/td>\n<td><strong>M\u1ed1i quan h\u1ec7 \u00abextend\u00bb<\/strong><\/td>\n<td><code data-backticks=\"1\">(\u0110\u1eb7t h\u00e0ng) &lt;.. (\u00c1p d\u1ee5ng m\u00e3 gi\u1ea3m gi\u00e1) : &lt;&lt;extend&gt;&gt;<\/code><\/td>\n<td>Vi\u1ec7c \u00e1p d\u1ee5ng m\u00e3 gi\u1ea3m gi\u00e1 l\u00e0 <strong>t\u00f9y ch\u1ecdn<\/strong> v\u00e0 ch\u1ec9 x\u1ea3y ra trong m\u1ed9t s\u1ed1 \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh.<\/td>\n<td>M\u0169i t\u00ean ch\u1ec9 <strong>t\u1eeb ph\u1ea7n m\u1edf r\u1ed9ng \u2192 ph\u1ea7n c\u01a1 s\u1edf<\/strong>. Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng c\u01a1 s\u1edf (<code data-backticks=\"1\">\u0110\u1eb7t h\u00e0ng<\/code>) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c m\u1edf r\u1ed9ng <em>theo \u0111i\u1ec1u ki\u1ec7n<\/em>.<\/td>\n<\/tr>\n<tr>\n<td><strong>9<\/strong><\/td>\n<td><strong>T\u1ed5ng qu\u00e1t h\u00f3a tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong><\/td>\n<td>`(X\u1eed l\u00fd thanh to\u00e1n) &lt;<\/td>\n<td>\u2014 (Thanh to\u00e1n b\u1eb1ng th\u1ebb)<code data-backticks=\"1\">&lt;br&gt;<\/code>(X\u1eed l\u00fd thanh to\u00e1n) &lt;<\/td>\n<td>\u2014 (Thanh to\u00e1n qua v\u00ed \u0111i\u1ec7n t\u1eed)`<\/td>\n<\/tr>\n<tr>\n<td><strong>10<\/strong><\/td>\n<td><strong>Ghi ch\u00fa<\/strong><\/td>\n<td><code data-backticks=\"1\">ghi ch\u00fa b\u00ean ph\u1ea3i c\u1ee7a PaymentGW<\/code><br \/>\n<code data-backticks=\"1\">ghi ch\u00fa ph\u00eda d\u01b0\u1edbi c\u1ee7a (\u00c1p d\u1ee5ng m\u00e3 gi\u1ea3m gi\u00e1)<\/code><\/td>\n<td>Cung c\u1ea5p <strong>gi\u1ea3i th\u00edch theo ng\u1eef c\u1ea3nh<\/strong>v\u1ec1 vi\u1ec7c tri\u1ec3n khai ho\u1eb7c c\u00e1c quy t\u1eafc kinh doanh.<\/td>\n<td>Ghi ch\u00fa th\u01b0\u1eddng b\u1ecb s\u1eed d\u1ee5ng ch\u01b0a \u0111\u1ea7y \u0111\u1ee7 nh\u01b0ng <strong>c\u1ef1c k\u1ef3 h\u1eefu \u00edch<\/strong>. Ch\u00fang ng\u0103n ng\u1eeba hi\u1ec3u l\u1ea7m (v\u00ed d\u1ee5: l\u00e0m r\u00f5 r\u1eb1ng PaymentGW l\u00e0 b\u00ean ngo\u00e0i).<\/td>\n<\/tr>\n<tr>\n<td><strong>11<\/strong><\/td>\n<td><strong>C\u00e1c vai tr\u00f2 b\u00ean ngo\u00e0i ranh gi\u1edbi<\/strong><\/td>\n<td>T\u1ea5t c\u1ea3 <code data-backticks=\"1\">vai tr\u00f2<\/code>\u0111\u01b0\u1ee3c khai b\u00e1o tr\u01b0\u1edbc h\u00ecnh ch\u1eef nh\u1eadt<\/td>\n<td>Nh\u1ea5n m\u1ea1nh r\u1eb1ng <strong>kh\u00f4ng c\u00f3 vai tr\u00f2 n\u00e0o l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a h\u1ec7 th\u1ed1ng<\/strong>\u2014 s\u1ef1 t\u00e1ch bi\u1ec7t r\u00f5 r\u00e0ng gi\u1eefa c\u00e1c m\u1ed1i quan t\u00e2m.<\/td>\n<td>M\u1ed9t trong hai b\u1ed1 c\u1ee5c ti\u00eau chu\u1ea9n. \u0110\u01b0\u1ee3c \u01b0u ti\u00ean khi c\u00e1c vai tr\u00f2 nhi\u1ec1u ho\u1eb7c \u1edf b\u00ean ngo\u00e0i.<\/td>\n<\/tr>\n<tr>\n<td><strong>12<\/strong><\/td>\n<td><strong>H\u01b0\u1edbng s\u01a1 \u0111\u1ed3<\/strong><\/td>\n<td><code data-backticks=\"1\">h\u01b0\u1edbng t\u1eeb tr\u00e1i sang ph\u1ea3i<\/code><\/td>\n<td>C\u1ea3i thi\u1ec7n b\u1ed1 c\u1ee5c khi c\u00f3 nhi\u1ec1u vai tr\u00f2 \u1edf b\u00ean tr\u00e1i.<\/td>\n<td>N\u00e2ng cao kh\u1ea3 n\u0103ng \u0111\u1ecdc. \u0110\u1eb7c bi\u1ec7t hi\u1ec7u qu\u1ea3 v\u1edbi 4\u20138 vai tr\u00f2. Ph\u01b0\u01a1ng \u00e1n thay th\u1ebf: b\u1ed1 c\u1ee5c t\u1eeb tr\u00ean xu\u1ed1ng cho \u00edt vai tr\u00f2 h\u01a1n.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr\/>\n<h2><strong>4. C\u00e1c quy\u1ebft \u0111\u1ecbnh m\u00f4 h\u00ecnh h\u00f3a ch\u00ednh v\u00e0 l\u00fd do<\/strong><\/h2>\n<h3>\u2705 <strong>T\u1ea1i sao c\u00e1c vai tr\u00f2 l\u1ea1i n\u1eb1m ngo\u00e0i ranh gi\u1edbi h\u1ec7 th\u1ed1ng<\/strong><\/h3>\n<ul>\n<li><strong>Th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t<\/strong>: C\u00e1c vai tr\u00f2 \u0111\u1ea1i di\u1ec7n cho c\u00e1c ch\u1ee9c v\u1ee5 <em>b\u00ean ngo\u00e0i<\/em>h\u1ec7 th\u1ed1ng.<\/li>\n<li><strong>T\u1ea1i sao \u0111i\u1ec1u n\u00e0y quan tr\u1ecdng<\/strong>: Ng\u0103n ng\u1eeba s\u1ef1 nh\u1ea7m l\u1eabn gi\u1eefa c\u00e1c th\u00e0nh ph\u1ea7n h\u1ec7 th\u1ed1ng v\u00e0 c\u00e1c th\u1ef1c th\u1ec3 b\u00ean ngo\u00e0i.<\/li>\n<li><strong>V\u00ed d\u1ee5<\/strong>: <code data-backticks=\"1\">T\u00e0i x\u1ebf<\/code> kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t m\u00f4-\u0111un c\u1ee7a n\u1ec1n t\u1ea3ng \u2014 h\u1ecd l\u00e0 m\u1ed9t vai tr\u00f2 b\u00ean th\u1ee9 ba t\u01b0\u01a1ng t\u00e1c v\u1edbi n\u00f3.<\/li>\n<\/ul>\n<blockquote>\n<p>\ud83d\udccc <em>M\u1eb9o hay<\/em>: N\u1ebfu t\u1ea5t c\u1ea3 c\u00e1c vai tr\u00f2 n\u1eb1m trong ranh gi\u1edbi, \u0111i\u1ec1u \u0111\u00f3 s\u1ebd ng\u1ee5 \u00fd h\u1ec7 th\u1ed1ng bao g\u1ed3m ch\u00fang \u2014 \u0111i\u1ec1u n\u00e0y g\u00e2y hi\u1ec3u l\u1ea7m.<\/p>\n<\/blockquote>\n<hr\/>\n<h3>\u2705 <strong>T\u1ea1i sao s\u1eed d\u1ee5ng <code data-backticks=\"1\">Customer &lt;|-- RegCustomer<\/code> thay v\u00ec sao ch\u00e9p c\u00e1c li\u00ean k\u1ebft<\/strong><\/h3>\n<ul>\n<li>Kh\u00f4ng c\u00f3 kh\u00e1i qu\u00e1t h\u00f3a, b\u1ea1n s\u1ebd ph\u1ea3i v\u1ebd:\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">PlantUML<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:SoujBidFJIrIqDMrKz1mAielBqvL24ejBaaiBKhCAodMvEKAIart9aDLG4vYSgg2Vr5AQf4c0000\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Ch\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">PlantUML<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:SoujBidFJIrIqDMrKz1mAQrykBkzH24lu_021I3EIzVavGfAJNScGzMH2GztRI-1oWC0\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">Customer --&gt; (Duy\u1ec7t nh\u00e0 h\u00e0ng)\r\nRegCustomer --&gt; (Duy\u1ec7t nh\u00e0 h\u00e0ng)\r\nRegCustomer --&gt; (\u0110\u1eb7t h\u00e0ng)\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:SoujBidFJIrIqDMrKz1mAQrykBkzH24lu_021I3EIzVavGfAJNScGzMH2GztRI-1oWC0\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:SoujBidFJIrIqDMrKz1mAielBqvL24ejBaaiBKhCAodMvEKAIart9aDLG4vYSgg2Vr5AQf4c0000\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Ch\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<\/li>\n<li>V\u1edbi kh\u00e1i qu\u00e1t h\u00f3a, b\u1ea1n ch\u1ec9 c\u1ea7n:\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">PlantUML<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:SoujBidFJIrIiAdHrLK8IartXWhmSi5O2hgwTWeQJaNvvSMfG1N59OcbHObv9SMQl5n8wY6g0d8IarCL_8jIKeiq0G00\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Ch\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">PlantUML<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:SoujBidFJIrIiAdHrLK8IartXWhmSi5O2hgwTWeQBgML3tUtboZaPHnUe034UUcQl5n8wY6gZanuk6jx2LGU0000\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">Customer &lt;|-- RegCustomer\r\nCustomer --&gt; (Duy\u1ec7t nh\u00e0 h\u00e0ng)\r\nRegCustomer --&gt; (\u0110\u1eb7t h\u00e0ng)\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:SoujBidFJIrIiAdHrLK8IartXWhmSi5O2hgwTWeQBgML3tUtboZaPHnUe034UUcQl5n8wY6gZanuk6jx2LGU0000\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:SoujBidFJIrIiAdHrLK8IartXWhmSi5O2hgwTWeQJaNvvSMfG1N59OcbHObv9SMQl5n8wY6g0d8IarCL_8jIKeiq0G00\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Ch\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<\/li>\n<li><strong>K\u1ebft qu\u1ea3<\/strong>: Bi\u1ec3u \u0111\u1ed3 s\u1ea1ch h\u01a1n, d\u1ec5 b\u1ea3o tr\u00ec h\u01a1n.<\/li>\n<\/ul>\n<blockquote>\n<p>\ud83d\udccc <em>Th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t<\/em>: S\u1eed d\u1ee5ng kh\u00e1i qu\u00e1t h\u00f3a vai tr\u00f2 whenever m\u1ed9t vai tr\u00f2 chuy\u00ean bi\u1ec7t k\u1ebf th\u1eeba t\u1ea5t c\u1ea3 h\u00e0nh vi c\u1ee7a m\u1ed9t vai tr\u00f2 t\u1ed5ng qu\u00e1t h\u01a1n.<\/p>\n<\/blockquote>\n<hr\/>\n<h3>\u2705 <strong>T\u1ea1i sao <code data-backticks=\"1\">&lt;&lt;include&gt;&gt;<\/code> v\u00e0 <code data-backticks=\"1\">&lt;&lt;extend&gt;&gt;<\/code> \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1ch<\/strong><\/h3>\n<table>\n<thead>\n<tr>\n<th>M\u1ed1i quan h\u1ec7<\/th>\n<th>M\u1ee5c \u0111\u00edch<\/th>\n<th>H\u01b0\u1edbng<\/th>\n<th>V\u00ed d\u1ee5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code data-backticks=\"1\">&lt;&lt;bao g\u1ed3m&gt;&gt;<\/code><\/td>\n<td>Lu\u1ed3ng con b\u1eaft bu\u1ed9c<\/td>\n<td>T\u1eeb <strong>bao g\u1ed3m<\/strong> \u2192 <strong>\u0111\u01b0\u1ee3c bao g\u1ed3m<\/strong><\/td>\n<td><code data-backticks=\"1\">\u0110\u1eb7t h\u00e0ng<\/code> <strong>ph\u1ea3i<\/strong> bao g\u1ed3m <code data-backticks=\"1\">X\u1eed l\u00fd thanh to\u00e1n<\/code><\/td>\n<\/tr>\n<tr>\n<td><code data-backticks=\"1\">&lt;&lt;m\u1edf r\u1ed9ng&gt;&gt;<\/code><\/td>\n<td>M\u1edf r\u1ed9ng t\u00f9y ch\u1ecdn<\/td>\n<td>T\u1eeb <strong>m\u1edf r\u1ed9ng<\/strong> \u2192 <strong>n\u1ec1n t\u1ea3ng<\/strong><\/td>\n<td><code data-backticks=\"1\">\u00c1p d\u1ee5ng m\u00e3 gi\u1ea3m gi\u00e1<\/code> <strong>m\u1edf r\u1ed9ng<\/strong> <code data-backticks=\"1\">\u0110\u1eb7t h\u00e0ng<\/code> ch\u1ec9 n\u1ebfu m\u00e3 h\u1ee3p l\u1ec7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote>\n<p>\u2757 <strong>L\u1ed7i ph\u1ed5 bi\u1ebfn<\/strong>: \u0110\u1ea3o ng\u01b0\u1ee3c h\u01b0\u1edbng m\u0169i t\u00ean. Lu\u00f4n nh\u1edb:<\/p>\n<ul>\n<li><code data-backticks=\"1\">bao g\u1ed3m<\/code>: <code data-backticks=\"1\">N\u1ec1n t\u1ea3ng ..&gt; \u0110\u01b0\u1ee3c bao g\u1ed3m<\/code><\/li>\n<li><code data-backticks=\"1\">m\u1edf r\u1ed9ng<\/code>: <code data-backticks=\"1\">M\u1edf r\u1ed9ng &lt;.. C\u01a1 s\u1edf<\/code><\/li>\n<\/ul>\n<\/blockquote>\n<hr\/>\n<h3>\u2705 <strong>T\u1ea1i sao <code data-backticks=\"1\">X\u1eed l\u00fd thanh to\u00e1n<\/code> c\u00f3 c\u00e1c ph\u00e9p t\u1ed5ng qu\u00e1t h\u00f3a<\/strong><\/h3>\n<ul>\n<li><code data-backticks=\"1\">Thanh to\u00e1n b\u1eb1ng th\u1ebb<\/code> v\u00e0 <code data-backticks=\"1\">Thanh to\u00e1n v\u00ed \u0111i\u1ec7n t\u1eed<\/code> l\u00e0 <strong>d\u1ea1ng chuy\u00ean bi\u1ec7t<\/strong> c\u1ee7a <code data-backticks=\"1\">X\u1eed l\u00fd thanh to\u00e1n<\/code>.<\/li>\n<li>\u0110i\u1ec1u n\u00e0y cho th\u1ea5y n\u1ec1n t\u1ea3ng h\u1ed7 tr\u1ee3 <strong>nhi\u1ec1u ph\u01b0\u01a1ng th\u1ee9c thanh to\u00e1n<\/strong>, nh\u01b0ng t\u1ea5t c\u1ea3 \u0111\u1ec1u tu\u00e2n theo quy tr\u00ecnh c\u1ed1t l\u00f5i gi\u1ed1ng nhau.<\/li>\n<li>Ph\u00e9p t\u1ed5ng qu\u00e1t h\u00f3a cho ph\u00e9p <strong>h\u00e0nh vi \u0111\u01b0\u1ee3c chia s\u1ebb<\/strong> v\u00e0 <strong>kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng trong t\u01b0\u01a1ng lai<\/strong>.<\/li>\n<\/ul>\n<blockquote>\n<p>\ud83d\udccc <em>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/em>: Vi\u1ec7c th\u00eam m\u1ed9t ph\u01b0\u01a1ng th\u1ee9c thanh to\u00e1n m\u1edbi (v\u00ed d\u1ee5: Apple Pay) s\u1ebd ch\u1ec9 l\u00e0 m\u1ed9t ph\u00e9p t\u1ed5ng qu\u00e1t h\u00f3a kh\u00e1c c\u1ee7a <code data-backticks=\"1\">X\u1eed l\u00fd thanh to\u00e1n<\/code>.<\/p>\n<\/blockquote>\n<hr\/>\n<h2><strong>5. Di\u1ec5n gi\u1ea3i th\u1ef1c t\u1ebf &amp; C\u00e2u h\u1ecfi \u0111\u00e3 \u0111\u01b0\u1ee3c tr\u1ea3 l\u1eddi<\/strong><\/h2>\n<p>S\u01a1 \u0111\u1ed3 n\u00e0y kh\u00f4ng ch\u1ec9 l\u00e0 c\u00f4ng c\u1ee5 h\u1ed7 tr\u1ee3 tr\u1ef1c quan \u2014 n\u00f3 tr\u1ea3 l\u1eddi c\u00e1c c\u00e2u h\u1ecfi quan tr\u1ecdng v\u1ec1 kinh doanh v\u00e0 k\u1ef9 thu\u1eadt:<\/p>\n<table>\n<thead>\n<tr>\n<th>C\u00e2u h\u1ecfi<\/th>\n<th>C\u00e2u tr\u1ea3 l\u1eddi t\u1eeb s\u01a1 \u0111\u1ed3<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Ai l\u00e0 nh\u1eefng ng\u01b0\u1eddi d\u00f9ng ch\u00ednh?<\/strong><\/td>\n<td>Kh\u00e1ch h\u00e0ng, Kh\u00e1ch h\u00e0ng \u0111\u00e3 \u0111\u0103ng k\u00fd, Nh\u00e2n vi\u00ean nh\u00e0 h\u00e0ng, T\u00e0i x\u1ebf, C\u1ed5ng thanh to\u00e1n<\/td>\n<\/tr>\n<tr>\n<td><strong>Ng\u01b0\u1eddi d\u00f9ng ch\u01b0a \u0111\u0103ng k\u00fd c\u00f3 th\u1ec3 \u0111\u1eb7t h\u00e0ng kh\u00f4ng?<\/strong><\/td>\n<td>\u274c Kh\u00f4ng \u2014 ch\u1ec9 <code data-backticks=\"1\">Kh\u00e1ch h\u00e0ng \u0111\u00e3 \u0111\u0103ng k\u00fd<\/code> c\u00f3 th\u1ec3 <code data-backticks=\"1\">\u0110\u1eb7t h\u00e0ng<\/code>. <code data-backticks=\"1\">Kh\u00e1ch h\u00e0ng<\/code> ch\u1ec9 c\u00f3 th\u1ec3 <code data-backticks=\"1\">Duy\u1ec7t qua c\u00e1c nh\u00e0 h\u00e0ng<\/code>.<\/td>\n<\/tr>\n<tr>\n<td><strong>Thanh to\u00e1n c\u00f3 lu\u00f4n b\u1eaft bu\u1ed9c kh\u00f4ng?<\/strong><\/td>\n<td>\u2705 C\u00f3 \u2014 <code data-backticks=\"1\">\u0110\u1eb7t h\u00e0ng<\/code> <strong>bao g\u1ed3m<\/strong> <code data-backticks=\"1\">X\u1eed l\u00fd thanh to\u00e1n<\/code>. B\u1eaft bu\u1ed9c.<\/td>\n<\/tr>\n<tr>\n<td><strong>Kh\u00e1ch h\u00e0ng c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng m\u00e3 gi\u1ea3m gi\u00e1 kh\u00f4ng?<\/strong><\/td>\n<td>\u2705 C\u00f3 \u2014 nh\u01b0ng ch\u1ec9 <strong>t\u00f9y ch\u1ecdn<\/strong> th\u00f4ng qua <code data-backticks=\"1\">&lt;&lt;m\u1edf r\u1ed9ng&gt;&gt;<\/code>. Ch\u1ec9 khi nh\u1eadp m\u00e3 h\u1ee3p l\u1ec7.<\/td>\n<\/tr>\n<tr>\n<td><strong>Nh\u1eefng ph\u01b0\u01a1ng th\u1ee9c thanh to\u00e1n n\u00e0o \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3?<\/strong><\/td>\n<td>Th\u1ebb v\u00e0 V\u00ed \u0111i\u1ec7n t\u1eed (th\u00f4ng qua kh\u00e1i qu\u00e1t h\u00f3a). H\u1ec7 th\u1ed1ng b\u00ean ngo\u00e0i x\u1eed l\u00fd vi\u1ec7c thanh to\u00e1n th\u1ef1c t\u1ebf.<\/td>\n<\/tr>\n<tr>\n<td><strong>Ai x\u1eed l\u00fd thanh to\u00e1n?<\/strong><\/td>\n<td>H\u1ec7 th\u1ed1ng b\u00ean ngo\u00e0i <code data-backticks=\"1\">PaymentGW<\/code> \u2014 kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t ph\u1ea7n c\u1ee7a n\u1ec1n t\u1ea3ng.<\/td>\n<\/tr>\n<tr>\n<td><strong>C\u00e1c nh\u00e0 h\u00e0ng c\u00f3 th\u1ec3 qu\u1ea3n l\u00fd th\u1ef1c \u0111\u01a1n c\u1ee7a m\u00ecnh kh\u00f4ng?<\/strong><\/td>\n<td>\u2705 C\u00f3 \u2014 <code data-backticks=\"1\">Nh\u00e0 h\u00e0ng<\/code> ng\u01b0\u1eddi d\u00f9ng t\u01b0\u01a1ng t\u00e1c v\u1edbi <code data-backticks=\"1\">Qu\u1ea3n l\u00fd th\u1ef1c \u0111\u01a1n<\/code> v\u00e0 <code data-backticks=\"1\">Ch\u1ea5p nh\u1eadn \/ Chu\u1ea9n b\u1ecb \u0111\u01a1n h\u00e0ng<\/code>.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote>\n<p>\u2705 <strong>Gi\u00e1 tr\u1ecb kinh doanh<\/strong>: S\u01a1 \u0111\u1ed3 truy\u1ec1n \u0111\u1ea1t r\u00f5 r\u00e0ng <strong>h\u1ec7 th\u1ed1ng l\u00e0m g\u00ec<\/strong>, <strong>ai s\u1eed d\u1ee5ng n\u00f3<\/strong>, v\u00e0 <strong>h\u00e0nh vi n\u00e0o l\u00e0 b\u1eaft bu\u1ed9c so v\u1edbi t\u00f9y ch\u1ecdn<\/strong>.<\/p>\n<\/blockquote>\n<hr\/>\n<h2><strong>6. C\u00e1c h\u01b0\u1edbng d\u1eabn m\u00f4 h\u00ecnh h\u00f3a ph\u1ed5 bi\u1ebfn \u0111\u01b0\u1ee3c th\u1ec3 hi\u1ec7n<\/strong><\/h2>\n<p>S\u01a1 \u0111\u1ed3 minh h\u1ecda m\u1ed9t s\u1ed1 <strong>th\u1ef1c ti\u1ec5n t\u1ed1t nh\u1ea5t<\/strong> trong m\u00f4 h\u00ecnh h\u00f3a tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng UML:<\/p>\n<table>\n<thead>\n<tr>\n<th>H\u01b0\u1edbng d\u1eabn<\/th>\n<th>C\u00e1ch \u00e1p d\u1ee5ng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>S\u1eed d\u1ee5ng t\u00ean tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u1ecbnh h\u01b0\u1edbng m\u1ee5c ti\u00eau<\/strong><\/td>\n<td><code data-backticks=\"1\">\u0110\u1eb7t h\u00e0ng<\/code>, <code data-backticks=\"1\">Theo d\u00f5i \u0111\u01a1n h\u00e0ng<\/code>, <code data-backticks=\"1\">\u00c1p d\u1ee5ng M\u00e3 Khuy\u1ebfn M\u00e3i<\/code> \u2014 t\u1ea5t c\u1ea3 \u0111\u1ec1u b\u1eaft \u0111\u1ea7u b\u1eb1ng m\u1ed9t \u0111\u1ed9ng t\u1eeb v\u00e0 m\u00f4 t\u1ea3 m\u1ee5c ti\u00eau c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/td>\n<\/tr>\n<tr>\n<td><strong>Gi\u1eef cho s\u01a1 \u0111\u1ed3 d\u1ec5 \u0111\u1ecdc<\/strong><\/td>\n<td>Ch\u1ec9 <strong>10 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong> \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb \u2014 l\u00fd t\u01b0\u1edfng cho h\u1ea7u h\u1ebft c\u00e1c l\u0129nh v\u1ef1c kinh doanh (khuy\u1ebfn ngh\u1ecb t\u1eeb 5\u201312).<\/td>\n<\/tr>\n<tr>\n<td><strong>H\u1ec7 th\u1ed1ng b\u00ean ngo\u00e0i d\u01b0\u1edbi vai tr\u00f2 t\u00e1c nh\u00e2n<\/strong><\/td>\n<td><code data-backticks=\"1\">PaymentGW<\/code> \u0111\u01b0\u1ee3c m\u00f4 h\u00ecnh h\u00f3a d\u01b0\u1edbi d\u1ea1ng m\u1ed9t t\u00e1c nh\u00e2n, kh\u00f4ng ph\u1ea3i l\u00e0 m\u1ed9t tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng. T\u00e1ch bi\u1ec7t \u0111\u00fang \u0111\u1eafn c\u00e1c m\u1ed1i quan t\u00e2m.<\/td>\n<\/tr>\n<tr>\n<td><strong>S\u1eed d\u1ee5ng ghi ch\u00fa \u0111\u1ec3 l\u00e0m r\u00f5 s\u1ef1 m\u01a1 h\u1ed3<\/strong><\/td>\n<td>Ghi ch\u00fa gi\u1ea3i th\u00edch r\u1eb1ng <code data-backticks=\"1\">PaymentGW<\/code> l\u00e0 b\u00ean ngo\u00e0i v\u00e0 r\u1eb1ng m\u00e3 khuy\u1ebfn m\u00e3i l\u00e0 t\u00f9y ch\u1ecdn \u2014 \u0111i\u1ec1u n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ec3 tr\u00e1nh hi\u1ec3u nh\u1ea7m.<\/td>\n<\/tr>\n<tr>\n<td><strong>S\u1eed d\u1ee5ng t\u1ed5ng qu\u00e1t h\u00f3a t\u00e1c nh\u00e2n \u0111\u1ec3 gi\u1ea3m s\u1ef1 l\u1ed9n x\u1ed9n<\/strong><\/td>\n<td>`Kh\u00e1ch h\u00e0ng &lt;<\/td>\n<\/tr>\n<tr>\n<td><strong>S\u1eed d\u1ee5ng <code data-backticks=\"1\">include<\/code> v\u00e0 <code data-backticks=\"1\">extend<\/code> m\u1ed9t c\u00e1ch ch\u00ednh x\u00e1c<\/strong><\/td>\n<td>Ph\u00e2n bi\u1ec7t r\u00f5 r\u00e0ng gi\u1eefa h\u00e0nh vi b\u1eaft bu\u1ed9c v\u00e0 h\u00e0nh vi t\u00f9y ch\u1ecdn.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote>\n<p>\ud83d\udccc <em>C\u1ea3nh b\u00e1o<\/em>: Nhi\u1ec1u s\u01a1 \u0111\u1ed3 s\u1eed d\u1ee5ng sai <code data-backticks=\"1\">&lt;&lt;extend&gt;&gt;<\/code> \u0111\u1ec3 c\u00f3 ngh\u0129a l\u00e0 \u201ct\u00f9y ch\u1ecdn\u201d m\u00e0 kh\u00f4ng hi\u1ec3u r\u00f5 <strong>b\u1ea3n ch\u1ea5t c\u00f3 \u0111i\u1ec1u ki\u1ec7n<\/strong> c\u1ee7a c\u00e1c ph\u1ea7n m\u1edf r\u1ed9ng. S\u01a1 \u0111\u1ed3 n\u00e0y tr\u00e1nh \u0111\u01b0\u1ee3c l\u1ed7i \u0111\u00f3.<\/p>\n<\/blockquote>\n<hr\/>\n<h2><strong>7. C\u00e1c c\u1ea3i ti\u1ebfn ti\u1ec1m n\u0103ng &amp; Ph\u00ea b\u00ecnh<\/strong><\/h2>\n<p>M\u1eb7c d\u00f9 s\u01a1 \u0111\u1ed3 r\u1ea5t t\u1ed1t, nh\u01b0ng \u0111\u00e2y l\u00e0 <strong>g\u00f3p \u00fd mang t\u00ednh x\u00e2y d\u1ef1ng<\/strong> \u0111\u1ec3 tinh ch\u1ec9nh:<\/p>\n<h3>\ud83d\udd27 <strong>1. Th\u00eam c\u00e1c k\u00fd hi\u1ec7u (stereotypes) \u0111\u1ec3 l\u00e0m r\u00f5<\/strong><\/h3>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">PlantUML<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:IqmkoIzIK0f8hCnDpIjH22ZAJqujBiulKb98B5Q0Yhg7AzZO55SMbwJcsja10000\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Ch\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">PlantUML<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:IqmkoIzIK0f8hCnDpIjH22ZAJqujBiulKb98B5Q0Yhg7AzZO55SMbwJcsja10000\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">actor \"Payment Processor\" as PaymentGW &lt;&lt;system&gt;&gt;\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:IqmkoIzIK0f8hCnDpIjH22ZAJqujBiulKb98B5Q0Yhg7AzZO55SMbwJcsja10000\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:IqmkoIzIK0f8hCnDpIjH22ZAJqujBiulKb98B5Q0Yhg7AzZO55SMbwJcsja10000\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Ch\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<ul>\n<li><strong>T\u1ea1i sao<\/strong>: L\u00e0m r\u00f5 r\u1eb1ng \u0111\u00e2y l\u00e0 m\u1ed9t h\u1ec7 th\u1ed1ng b\u00ean ngo\u00e0i, kh\u00f4ng ph\u1ea3i vai tr\u00f2 con ng\u01b0\u1eddi.<\/li>\n<li><strong>L\u1ee3i \u00edch<\/strong>: Gi\u1ea3m s\u1ef1 m\u01a1 h\u1ed3, \u0111\u1eb7c bi\u1ec7t trong c\u00e1c m\u00f4 h\u00ecnh l\u1edbn.<\/li>\n<\/ul>\n<h3>\ud83d\udd27 <strong>2. L\u00e0m r\u00f5 <code data-backticks=\"1\">\u00c1p d\u1ee5ng m\u00e3 gi\u1ea3m gi\u00e1<\/code>\u0110i\u1ec1u ki\u1ec7n m\u1edf r\u1ed9ng<\/strong><\/h3>\n<p>Hi\u1ec7n t\u1ea1i:<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">PlantUML<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:3Sp12O0m40J0ls0F-zGon0AqXMXE32It8HwAFtkmGoin_s6K9bXenWHkw8QSuusvC14ZlVHj0qpP0jL5VCyBQWNNBWg7qyNWiLQ7S43Kf8Xl6r4FhV4F\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Ch\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">PlantUML<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:oyilILL8oYyfoSzLo4zJq70iACYfL0Weoi_DLt3EJqdLvELIK0WvlBDI8JdZuUxUF8L73PF1p4w5x8nCXRoCXxlM5YZa7bwi01HRNA2Gyt1tEozNQbwAGXxGP000\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">note bottom of (Apply Promo Code)\r\n  T\u00f9y ch\u1ecdn \u2013 ch\u1ec9 khi nh\u1eadp m\u00e3 h\u1ee3p l\u1ec7\r\nend note\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:oyilILL8oYyfoSzLo4zJq70iACYfL0Weoi_DLt3EJqdLvELIK0WvlBDI8JdZuUxUF8L73PF1p4w5x8nCXRoCXxlM5YZa7bwi01HRNA2Gyt1tEozNQbwAGXxGP000\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:3Sp12O0m40J0ls0F-zGon0AqXMXE32It8HwAFtkmGoin_s6K9bXenWHkw8QSuusvC14ZlVHj0qpP0jL5VCyBQWNNBWg7qyNWiLQ7S43Kf8Xl6r4FhV4F\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Ch\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<ul>\n<li><strong>T\u1ed1t h\u01a1n<\/strong>: S\u1eed d\u1ee5ng m\u1ed9t <strong>k\u00fd hi\u1ec7u \u0111i\u1ec1u ki\u1ec7n<\/strong> ho\u1eb7c <strong>r\u00e0ng bu\u1ed9c (guard)<\/strong> trong <code data-backticks=\"1\">&lt;&lt;extend&gt;&gt;<\/code> m\u0169i t\u00ean:<\/li>\n<\/ul>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">PlantUML<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:qmZ8IKnELV0lIaajqbImqTDJq70iACYfL0Weoi_DLt3EJqdLLB1IiB59hIX9pKknirE8BalCoKnHA03B9mFbOm40\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Ch\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">PlantUML<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:qpWouU6kxIKA6OSNvALhAjZewIbe76uiK4Xvk7jfNhf2xk752kcP3tSjpWLIXnTgAbWfsDYaLfIavgNOsIb4eqahP3pSlRX08UVXxlPO0000\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">(\u0110\u1eb7t h\u00e0ng) &lt;.. (\u00c1p d\u1ee5ng m\u00e3 gi\u1ea3m gi\u00e1) : &lt;&lt;extend&gt;&gt; [m\u00e3 gi\u1ea3m gi\u00e1 h\u1ee3p l\u1ec7]\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:qpWouU6kxIKA6OSNvALhAjZewIbe76uiK4Xvk7jfNhf2xk752kcP3tSjpWLIXnTgAbWfsDYaLfIavgNOsIb4eqahP3pSlRX08UVXxlPO0000\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:qmZ8IKnELV0lIaajqbImqTDJq70iACYfL0Weoi_DLt3EJqdLLB1IiB59hIX9pKknirE8BalCoKnHA03B9mFbOm40\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Ch\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<ul>\n<li><strong>T\u1ea1i sao<\/strong>: Ch\u00ednh x\u00e1c h\u01a1n ghi ch\u00fa \u2014 li\u00ean k\u1ebft tr\u1ef1c ti\u1ebfp ph\u1ea7n m\u1edf r\u1ed9ng v\u1edbi m\u1ed9t \u0111i\u1ec1u ki\u1ec7n.<\/li>\n<\/ul>\n<h3>\ud83d\udd27 <strong>3. C\u00e2n nh\u1eafc th\u00eam m\u1ed9t <code data-backticks=\"1\">Xem l\u1ecbch s\u1eed \u0111\u01a1n h\u00e0ng<\/code> tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/strong><\/h3>\n<ul>\n<li>Hi\u1ec7n \u0111ang thi\u1ebfu, nh\u01b0ng c\u00f3 kh\u1ea3 n\u0103ng quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u1ea3 kh\u00e1ch h\u00e0ng v\u00e0 nh\u00e0 h\u00e0ng.<\/li>\n<li>C\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c th\u00eam v\u00e0o nh\u01b0 m\u1ed9t <code data-backticks=\"1\">Kh\u00e1ch h\u00e0ng \u0111\u00e3 \u0111\u0103ng k\u00fd<\/code> tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng.<\/li>\n<\/ul>\n<h3>\ud83d\udd27 <strong>4. Nh\u00f3m c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng li\u00ean quan (T\u00f9y ch\u1ecdn)<\/strong><\/h3>\n<p>\u0110\u1ed1i v\u1edbi c\u00e1c bi\u1ec3u \u0111\u1ed3 l\u1edbn h\u01a1n, h\u00e3y nh\u00f3m c\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u00e0o <strong>g\u00f3i<\/strong>:<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">PlantUML<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:NOp12eCm44JlWlymUBAVKUnLpA6bvoLPH5nDs7YHuhytI9JMlSrxinF8ZjGpgauTArgQKvfuNYfyoWBfQYDa6Rk_PVJKzFQFxY782gD-ycYyuyItiWZ7lA7righUSep8ufXvHSQRHFWa3QcxjXv3FomakVbZjoy0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Ch\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">PlantUML<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:AqXCpavCJrLG2Ynzk6jndaBEuRqAHoOUMvYda75uGLwwaa8rBvS246WScV1mr_OIYAWcL2ma8pLV8UNmranaBJ39muq52YaFTo_DIrV8FRnO8JqJQ7uka3gy4AYYbfUh06PpI4PYNeP2IVxXXNa8wo8UxbuBTam9GXPcSZ183cfqsU6r2DV0LIeaFTor4IXRal5mrsuyya3TGATdFjpTdgTG0ZGLv380\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">package \"Qu\u1ea3n l\u00fd \u0111\u01a1n h\u00e0ng\" {\r\n    (\u0110\u1eb7t h\u00e0ng)\r\n    (Theo d\u00f5i \u0111\u01a1n h\u00e0ng)\r\n    (\u00c1p d\u1ee5ng m\u00e3 gi\u1ea3m gi\u00e1)\r\n}\r\npackage \"Thanh to\u00e1n\" {\r\n    (X\u1eed l\u00fd thanh to\u00e1n)\r\n    (S\u1eed d\u1ee5ng v\u00ed)\r\n    (Thanh to\u00e1n b\u1eb1ng th\u1ebb)\r\n    (Thanh to\u00e1n b\u1eb1ng v\u00ed \u0111i\u1ec7n t\u1eed)\r\n}\r\n<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:AqXCpavCJrLG2Ynzk6jndaBEuRqAHoOUMvYda75uGLwwaa8rBvS246WScV1mr_OIYAWcL2ma8pLV8UNmranaBJ39muq52YaFTo_DIrV8FRnO8JqJQ7uka3gy4AYYbfUh06PpI4PYNeP2IVxXXNa8wo8UxbuBTam9GXPcSZ183cfqsU6r2DV0LIeaFTor4IXRal5mrsuyya3TGATdFjpTdgTG0ZGLv380\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:NOp12eCm44JlWlymUBAVKUnLpA6bvoLPH5nDs7YHuhytI9JMlSrxinF8ZjGpgauTArgQKvfuNYfyoWBfQYDa6Rk_PVJKzFQFxY782gD-ycYyuyItiWZ7lA7righUSep8ufXvHSQRHFWa3QcxjXv3FomakVbZjoy0\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>Ch\u1ec9nh s\u1eeda PlantUML trong VPasCode<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<ul>\n<li><strong>L\u1ee3i \u00edch<\/strong>: C\u1ea3i thi\u1ec7n kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 t\u00ednh d\u1ec5 \u0111\u1ecdc.<\/li>\n<\/ul>\n<hr\/>\n<h2><strong>8. B\u01b0\u1edbc ti\u1ebfp theo l\u00e0 g\u00ec?<\/strong><\/h2>\n<p>Case study n\u00e0y \u0111\u00e3 ch\u1ec9 ra c\u00e1ch m\u1ed9t <strong>bi\u1ec3u \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c c\u1ea5u tr\u00fac t\u1ed1t<\/strong> c\u00f3 th\u1ec3 n\u1eafm b\u1eaft logic kinh doanh ph\u1ee9c t\u1ea1p m\u1ed9t c\u00e1ch r\u00f5 r\u00e0ng v\u00e0 ng\u1eafn g\u1ecdn. \u0110\u1ec3 hi\u1ec3u s\u00e2u h\u01a1n, d\u01b0\u1edbi \u0111\u00e2y l\u00e0 <strong>c\u00e1c b\u01b0\u1edbc ti\u1ebfp theo \u0111\u01b0\u1ee3c \u0111\u1ec1 xu\u1ea5t<\/strong>:<\/p>\n<h3>\ud83d\udd04 <strong>T\u00f9y ch\u1ecdn 1: G\u00f3c nh\u00ecn t\u1eadp trung v\u00e0o nh\u00e0 h\u00e0ng<\/strong><\/h3>\n<p>M\u00f4 h\u00ecnh h\u00f3a c\u00f9ng m\u1ed9t mi\u1ec1n t\u1eeb g\u00f3c \u0111\u1ed9 c\u1ee7a <strong>nh\u00e0 h\u00e0ng<\/strong>:<\/p>\n<ul>\n<li>T\u1eadp trung v\u00e0o <code data-backticks=\"1\">Qu\u1ea3n l\u00fd th\u1ef1c \u0111\u01a1n<\/code>, <code data-backticks=\"1\">Ch\u1ea5p nh\u1eadn \/ Chu\u1ea9n b\u1ecb \u0111\u01a1n h\u00e0ng<\/code>, <code data-backticks=\"1\">Xem \u0111\u01a1n h\u00e0ng<\/code>, <code data-backticks=\"1\">C\u1eadp nh\u1eadt tr\u1ea1ng th\u00e1i<\/code>.<\/li>\n<li>Hi\u1ec3n th\u1ecb <code data-backticks=\"1\">Nh\u00e0 h\u00e0ng<\/code> l\u00e0 t\u00e1c nh\u00e2n ch\u00ednh.<\/li>\n<li>Bao g\u1ed3m <code data-backticks=\"1\">Kh\u00e1ch h\u00e0ng<\/code> l\u00e0 m\u1ed9t t\u00e1c nh\u00e2n ph\u1ee5 (v\u00ed d\u1ee5: <code data-backticks=\"1\">Kh\u00e1ch h\u00e0ng<\/code> g\u1eedi \u0111\u01a1n h\u00e0ng \u2192 <code data-backticks=\"1\">Nh\u00e0 h\u00e0ng<\/code> nh\u1eadn n\u00f3).<\/li>\n<\/ul>\n<blockquote>\n<p>\u2705 <strong>L\u1ee3i \u00edch<\/strong>: L\u00e0m n\u1ed5i b\u1eadt c\u00e1c m\u1ee5c ti\u00eau h\u1ec7 th\u1ed1ng v\u00e0 vai tr\u00f2 c\u1ee7a c\u00e1c t\u00e1c nh\u00e2n kh\u00e1c nhau.<\/p>\n<\/blockquote>\n<h3>\ud83d\udd04 <strong>T\u00f9y ch\u1ecdn 2: Th\u00eam nhi\u1ec1u \u0111i\u1ec3m m\u1edf r\u1ed9ng h\u01a1n<\/strong><\/h3>\n<p>N\u00e2ng cao <code data-backticks=\"1\">\u0110\u1eb7t h\u00e0ng<\/code> v\u1edbi:<\/p>\n<ul>\n<li><code data-backticks=\"1\">\u00c1p d\u1ee5ng m\u00e3 gi\u1ea3m gi\u00e1<\/code> (n\u1ebfu m\u00e3 khuy\u1ebfn m\u00e3i kh\u00f4ng h\u1ee3p l\u1ec7 \u2192 <code data-backticks=\"1\">&lt;&lt;m\u1edf r\u1ed9ng&gt;&gt;<\/code> v\u1edbi th\u00f4ng b\u00e1o l\u1ed7i)<\/li>\n<li><code data-backticks=\"1\">Y\u00eau c\u1ea7u h\u01b0\u1edbng d\u1eabn \u0111\u1eb7c bi\u1ec7t<\/code> (t\u00f9y ch\u1ecdn)<\/li>\n<li><code data-backticks=\"1\">L\u00ean l\u1ecbch \u0111\u1eb7t h\u00e0ng<\/code> (cho giao h\u00e0ng trong t\u01b0\u01a1ng lai)<\/li>\n<\/ul>\n<h3>\ud83d\udd04 <strong>T\u00f9y ch\u1ecdn 3: So s\u00e1nh <code data-backticks=\"1\">bao g\u1ed3m<\/code> so v\u1edbi <code data-backticks=\"1\">m\u1edf r\u1ed9ng<\/code> v\u1edbi v\u00ed d\u1ee5<\/strong><\/h3>\n<table>\n<thead>\n<tr>\n<th>Tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng<\/th>\n<th><code data-backticks=\"1\">&lt;&lt;bao g\u1ed3m&gt;&gt;<\/code><\/th>\n<th><code data-backticks=\"1\">&lt;&lt;m\u1edf r\u1ed9ng&gt;&gt;<\/code><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code data-backticks=\"1\">\u0110\u1eb7t h\u00e0ng<\/code> \u2192 <code data-backticks=\"1\">X\u1eed l\u00fd thanh to\u00e1n<\/code><\/td>\n<td>\u2705 B\u1eaft bu\u1ed9c<\/td>\n<td>\u274c Kh\u00f4ng t\u00f9y ch\u1ecdn<\/td>\n<\/tr>\n<tr>\n<td><code data-backticks=\"1\">\u0110\u1eb7t h\u00e0ng<\/code> \u2192 <code data-backticks=\"1\">\u00c1p d\u1ee5ng m\u00e3 khuy\u1ebfn m\u00e3i<\/code><\/td>\n<td>\u274c Kh\u00f4ng b\u1eaft bu\u1ed9c<\/td>\n<td>\u2705 C\u00f3 \u0111i\u1ec1u ki\u1ec7n<\/td>\n<\/tr>\n<tr>\n<td><code data-backticks=\"1\">\u0110\u0103ng nh\u1eadp<\/code> \u2192 <code data-backticks=\"1\">X\u00e1c minh danh t\u00ednh<\/code><\/td>\n<td>\u2705 Lu\u00f4n c\u1ea7n thi\u1ebft<\/td>\n<td>\u274c Kh\u00f4ng \u00e1p d\u1ee5ng<\/td>\n<\/tr>\n<tr>\n<td><code data-backticks=\"1\">Thanh to\u00e1n<\/code> \u2192 <code data-backticks=\"1\">\u00c1p d\u1ee5ng gi\u1ea3m gi\u00e1<\/code><\/td>\n<td>\u2705 Lu\u00f4n lu\u00f4n<\/td>\n<td>\u2705 Ch\u1ec9 n\u1ebfu c\u00f3 gi\u1ea3m gi\u00e1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<blockquote>\n<p>\ud83d\udccc <strong>Quy t\u1eafc chung<\/strong>:<\/p>\n<ul>\n<li>S\u1eed d\u1ee5ng <code data-backticks=\"1\">&lt;&lt;bao g\u1ed3m&gt;&gt;<\/code>khi h\u00e0nh vi <strong>ph\u1ea3i x\u1ea3y ra<\/strong>.<\/li>\n<li>S\u1eed d\u1ee5ng <code data-backticks=\"1\">&lt;&lt;m\u1edf r\u1ed9ng&gt;&gt;<\/code>khi h\u00e0nh vi <strong>c\u00f3 th\u1ec3 x\u1ea3y ra<\/strong>trong m\u1ed9t s\u1ed1 \u0111i\u1ec1u ki\u1ec7n nh\u1ea5t \u0111\u1ecbnh.<\/li>\n<\/ul>\n<\/blockquote>\n<h3>\ud83d\udd04 <strong>T\u00f9y ch\u1ecdn 4: Chuy\u1ec3n \u0111\u1ed5i sang Bi\u1ec3u \u0111\u1ed3 Chu\u1ed7i ho\u1eb7c Bi\u1ec3u \u0111\u1ed3 Ho\u1ea1t \u0111\u1ed9ng<\/strong><\/h3>\n<p>\u0110\u1ec3 ph\u00e2n t\u00edch s\u00e2u h\u01a1n:<\/p>\n<ul>\n<li><strong>Bi\u1ec3u \u0111\u1ed3 Chu\u1ed7i<\/strong>: Hi\u1ec3n th\u1ecb lu\u1ed3ng c\u1ee7a <code data-backticks=\"1\">\u0110\u1eb7t h\u00e0ng<\/code> \u2192 <code data-backticks=\"1\">X\u1eed l\u00fd thanh to\u00e1n<\/code> \u2192 <code data-backticks=\"1\">Giao h\u00e0ng<\/code> v\u1edbi c\u00e1c tin nh\u1eafn gi\u1eefa c\u00e1c t\u00e1c nh\u00e2n v\u00e0 h\u1ec7 th\u1ed1ng.<\/li>\n<li><strong>Bi\u1ec3u \u0111\u1ed3 ho\u1ea1t \u0111\u1ed9ng<\/strong>: M\u00f4 h\u00ecnh h\u00f3a c\u00e1c \u0111i\u1ec3m ra quy\u1ebft \u0111\u1ecbnh trong <code data-backticks=\"1\">X\u1eed l\u00fd thanh to\u00e1n<\/code> (v\u00ed d\u1ee5: th\u1ebb b\u1ecb t\u1eeb ch\u1ed1i \u2192 th\u1eed l\u1ea1i ho\u1eb7c chuy\u1ec3n sang v\u00ed \u0111i\u1ec7n t\u1eed).<\/li>\n<\/ul>\n<hr\/>\n<h2><strong>9. K\u1ebft lu\u1eadn<\/strong><\/h2>\n<p>Nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh n\u00e0y ch\u1ee9ng minh r\u1eb1ng <strong>m\u1ed9t bi\u1ec3u \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u01b0\u1ee3c thi\u1ebft k\u1ebf t\u1ed1t<\/strong>kh\u00f4ng ch\u1ec9 \u0111\u01a1n thu\u1ea7n l\u00e0 m\u1ed9t b\u1ea3n ph\u00e1c th\u1ea3o tr\u1ef1c quan \u2014 n\u00f3 l\u00e0 m\u1ed9t <strong>c\u00f4ng c\u1ee5 truy\u1ec1n th\u00f4ng chi\u1ebfn l\u01b0\u1ee3c<\/strong>c\u00f3 kh\u1ea3 n\u0103ng:<\/p>\n<ul>\n<li>L\u00e0m r\u00f5 ph\u1ea1m vi h\u1ec7 th\u1ed1ng,<\/li>\n<li>Ghi nh\u1eadn c\u00e1c quy t\u1eafc kinh doanh,<\/li>\n<li>\u0110\u1ecbnh h\u01b0\u1edbng ph\u00e1t tri\u1ec3n,<\/li>\n<li>Ng\u0103n ng\u1eeba hi\u1ec3u l\u1ea7m.<\/li>\n<\/ul>\n<p>Bi\u1ec3u \u0111\u1ed3 <strong>N\u1ec1n t\u1ea3ng Giao h\u00e0ng Th\u1ef1c ph\u1ea9m<\/strong> l\u00e0 m\u1ed9t <strong>v\u00ed d\u1ee5 \u0111i\u1ec3n h\u00ecnh<\/strong>v\u1ec1:<\/p>\n<ul>\n<li>S\u1eed d\u1ee5ng \u0111\u00fang k\u00fd hi\u1ec7u UML,<\/li>\n<li>C\u00e1c quy\u1ebft \u0111\u1ecbnh m\u00f4 h\u00ecnh h\u00f3a v\u1eefng ch\u1eafc,<\/li>\n<li>S\u1ef1 t\u00e1ch bi\u1ec7t r\u00f5 r\u00e0ng gi\u1eefa c\u00e1c m\u1ed1i quan t\u00e2m,<\/li>\n<li>S\u1eed d\u1ee5ng hi\u1ec7u qu\u1ea3 c\u00e1c ghi ch\u00fa v\u00e0 kh\u00e1i qu\u00e1t h\u00f3a.<\/li>\n<\/ul>\n<p>B\u1eb1ng c\u00e1ch tu\u00e2n th\u1ee7 c\u00e1c nguy\u00ean t\u1eafc \u0111\u01b0\u1ee3c tr\u00ecnh b\u00e0y \u1edf \u0111\u00e2y \u2014 <strong>vi\u1ec7c \u0111\u1eb7t t\u00ean h\u01b0\u1edbng \u0111\u1ebfn m\u1ee5c ti\u00eau<\/strong>, <strong>vi\u1ec7c s\u1eed d\u1ee5ng \u0111\u00fang <code data-backticks=\"1\">bao g\u1ed3m<\/code>\/<code data-backticks=\"1\">m\u1edf r\u1ed9ng<\/code><\/strong>, <strong>s\u1ef1 t\u1ed5ng qu\u00e1t h\u00f3a c\u1ee7a vai tr\u00f2<\/strong>, v\u00e0 <strong>vi\u1ec7c s\u1eed d\u1ee5ng ghi ch\u00fa m\u1ed9t c\u00e1ch chi\u1ebfn l\u01b0\u1ee3c<\/strong> \u2014 b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o c\u00e1c s\u01a1 \u0111\u1ed3 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng v\u1eeba <strong>ch\u00ednh x\u00e1c<\/strong> v\u00e0 <strong>c\u00f3 th\u1ec3 h\u00e0nh \u0111\u1ed9ng \u0111\u01b0\u1ee3c<\/strong>.<\/p>\n<hr\/>\n<h2>\u2705 Nh\u1eefng \u0111i\u1ec3m ch\u00ednh cu\u1ed1i c\u00f9ng<\/h2>\n<table>\n<thead>\n<tr>\n<th>Nguy\u00ean t\u1eafc<\/th>\n<th>\u0110\u00e3 \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng \u1edf \u0111\u00e2y?<\/th>\n<th>T\u1ea1i sao \u0111i\u1ec1u n\u00e0y quan tr\u1ecdng<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>S\u1eed d\u1ee5ng t\u00ean tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng \u0111\u1ecbnh h\u01b0\u1edbng m\u1ee5c ti\u00eau<\/td>\n<td>\u2705 C\u00f3<\/td>\n<td>C\u1ea3i thi\u1ec7n t\u00ednh r\u00f5 r\u00e0ng v\u00e0 t\u1eadp trung v\u00e0o ng\u01b0\u1eddi d\u00f9ng<\/td>\n<\/tr>\n<tr>\n<td>Gi\u1eef k\u00edch th\u01b0\u1edbc s\u01a1 \u0111\u1ed3 \u1edf m\u1ee9c d\u1ec5 qu\u1ea3n l\u00fd<\/td>\n<td>\u2705 C\u00f3 (10 tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng)<\/td>\n<td>Ng\u0103n ng\u1eeba qu\u00e1 t\u1ea3i nh\u1eadn th\u1ee9c<\/td>\n<\/tr>\n<tr>\n<td>H\u1ec7 th\u1ed1ng b\u00ean ngo\u00e0i d\u01b0\u1edbi d\u1ea1ng vai tr\u00f2<\/td>\n<td>\u2705 C\u00f3<\/td>\n<td>T\u00e1ch bi\u1ec7t \u0111\u00fang \u0111\u1eafn c\u00e1c m\u1ed1i quan t\u00e2m<\/td>\n<\/tr>\n<tr>\n<td>S\u1eed d\u1ee5ng ghi ch\u00fa \u0111\u1ec3 cung c\u1ea5p ng\u1eef c\u1ea3nh<\/td>\n<td>\u2705 C\u00f3<\/td>\n<td>Ng\u0103n ng\u1eeba hi\u1ec3u l\u1ea7m<\/td>\n<\/tr>\n<tr>\n<td>S\u1eed d\u1ee5ng s\u1ef1 t\u1ed5ng qu\u00e1t h\u00f3a \u0111\u1ec3 gi\u1ea3m s\u1ef1 tr\u00f9ng l\u1eb7p<\/td>\n<td>\u2705 C\u00f3<\/td>\n<td>Gi\u00fap bi\u1ec3u \u0111\u1ed3 c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng v\u00e0 d\u1ec5 b\u1ea3o tr\u00ec<\/td>\n<\/tr>\n<tr>\n<td>Ch\u00ednh x\u00e1c <code data-backticks=\"1\">&lt;&lt;include&gt;&gt;<\/code> v\u00e0 <code data-backticks=\"1\">&lt;&lt;extend&gt;&gt;<\/code> h\u01b0\u1edbng<\/td>\n<td>\u2705 C\u00f3<\/td>\n<td>\u0110\u1ea3m b\u1ea3o m\u00f4 h\u00ecnh h\u00f3a h\u00e0nh vi ch\u00ednh x\u00e1c<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr\/>\n","protected":false},"excerpt":{"rendered":"<p>M\u00f4 h\u00ecnh h\u00f3a c\u00e1c y\u00eau c\u1ea7u th\u1ef1c t\u1ebf b\u1eb1ng UML \u2013 H\u01b0\u1edbng d\u1eabn th\u1ef1c ti\u1ec5n 1. Gi\u1edbi thi\u1ec7u Trong ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m hi\u1ec7n \u0111\u1ea1i, bi\u1ec3u \u0111\u1ed3 use casel\u00e0 c\u00f4ng&hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","fifu_image_url":"https:\/\/uml.planttext.com\/plantuml\/png\/VLLBRjim4Dq7y1q6tZG5R7TV645Skosw268qBRAUa2EP24KA91NN_G2zGs_OatHeYehaoDLECs_U_9v6rpwW2qsb9nV-KPaQ7LPGMMF5pjcA8BY6-Yw_GsdtofHGeFRicbneAW842qwLkm1IEH91MHDThs2bDQ08rdb0Ho2fK8Oas2Pu9Pb-Hn3nQ4hDP4Sah1iVEBVBxzFFL2eVo75Wzaq1FR1z1CiTDGvDWBk0HT42ip7ZDauzzQAsUAY8GxRE2lBU9lxM-l4-zjAL2TCFrahOa8uK1zXg38LrrHH-H1pmS_dEsRsdNbx_klKmMX3SEaakcxuu58z3qmqQB0bko3JPj1A2wW1lk4Qguom70MqrGsFRJUuZcpzvtyJQYiR8ZhskzI6sNrbOMqdP_fMxk4UjgOjUevEdZ1jLge2wHVQyoSyou9aAXL4N7lx-_iDYY1C2uIpN5rNmOBaQT8SKaTSAwPdFh_upqvuCEl3BCO-XXfFFk4v07UxbEiPGPpUKGfBa0FezdQuj8JlTzP3Zknn3dgmthq0PeHj98pA4nM8a0QFUmdBPXbrTFJFHjq16ZX41B1UB4J4bgXGNcKRLcM9xWaiz3IDp3IKPSgZLTqotvWpZp_byNB5de6U5_AizPyTpCKmEbtm9RJvfZEraTkGS7Ad9XR61sbDfY_w50NZFNJh3sUls6fKOQ8_7J-BoBZXLqon6R57FO2KFP6QykWLdvE509EuIFDZ06ME6yI_xjewLSwhuBLh3WFsE320ySLiI1ED0UU0YujKT9hZc5_vX_0C0","fifu_image_alt":"","footnotes":""},"categories":[74],"tags":[],"class_list":["post-4250","post","type-post","status-publish","format-standard","hentry","category-uml"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh: Bi\u1ec3u \u0111\u1ed3 Use Case cho N\u1ec1n t\u1ea3ng Giao \u0111\u1ed3 \u0103n - Go 2 Posts Vietnamese | Breaking Digital News &amp; Software Trends<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.go2posts.com\/vn\/case-study-use-case-diagram-for-a-food-delivery-platform\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Nghi\u00ean c\u1ee9u \u0111i\u1ec3n h\u00ecnh: Bi\u1ec3u \u0111\u1ed3 Use Case cho N\u1ec1n t\u1ea3ng Giao \u0111\u1ed3 \u0103n - Go 2 Posts Vietnamese | Breaking Digital News &amp; Software Trends\" \/>\n<meta property=\"og:description\" content=\"M\u00f4 h\u00ecnh h\u00f3a c\u00e1c y\u00eau c\u1ea7u th\u1ef1c t\u1ebf b\u1eb1ng UML \u2013 H\u01b0\u1edbng d\u1eabn th\u1ef1c ti\u1ec5n 1. Gi\u1edbi thi\u1ec7u Trong ph\u00e1t tri\u1ec3n ph\u1ea7n m\u1ec1m hi\u1ec7n \u0111\u1ea1i, bi\u1ec3u \u0111\u1ed3 use casel\u00e0 c\u00f4ng&hellip;\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.go2posts.com\/vn\/case-study-use-case-diagram-for-a-food-delivery-platform\/\" \/>\n<meta property=\"og:site_name\" content=\"Go 2 Posts Vietnamese | Breaking Digital News &amp; Software Trends\" \/>\n<meta property=\"article:published_time\" content=\"2026-02-11T11:15:17+00:00\" \/>\n<meta property=\"og:image\" 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