{"id":3457,"date":"2026-03-26T14:20:05","date_gmt":"2026-03-26T06:20:05","guid":{"rendered":"https:\/\/www.go2posts.com\/tw\/applying-observer-pattern-loose-coupling\/"},"modified":"2026-03-26T14:20:05","modified_gmt":"2026-03-26T06:20:05","slug":"applying-observer-pattern-loose-coupling","status":"publish","type":"post","link":"https:\/\/www.go2posts.com\/tw\/applying-observer-pattern-loose-coupling\/","title":{"rendered":"OOAD\u6307\u5357\uff1a\u61c9\u7528\u89c0\u5bdf\u8005\u6a21\u5f0f\u5be6\u73fe\u9b06\u8026\u5408"},"content":{"rendered":"

\u5728\u7269\u4ef6\u5c0e\u5411\u5206\u6790\u8207\u8a2d\u8a08\uff08OOAD\uff09\u7684\u9818\u57df\u4e2d\uff0c\u958b\u767c\u8005\u9762\u81e8\u7684\u6700\u6301\u4e45\u6311\u6230\u4e4b\u4e00\uff0c\u5c31\u662f\u7ba1\u7406\u7d44\u4ef6\u4e4b\u9593\u7684\u4f9d\u8cf4\u95dc\u4fc2\u3002\u7576\u7269\u4ef6\u5f7c\u6b64\u4e86\u89e3\u904e\u591a\u6642\uff0c\u7cfb\u7d71\u6703\u8b8a\u5f97\u50f5\u786c\u3001\u96e3\u4ee5\u6e2c\u8a66\uff0c\u4e14\u5bb9\u6613\u5f15\u767c\u9023\u9396\u5931\u6557\u3002\u70ba\u4e86\u89e3\u6c7a\u9019\u7a2e\u7d50\u69cb\u4e0a\u7684\u8106\u5f31\u6027\uff0c\u89c0\u5bdf\u8005\u6a21\u5f0f<\/strong>\u812b\u7a4e\u800c\u51fa\uff0c\u6210\u70ba\u4e00\u7a2e\u57fa\u672c\u7684\u884c\u70ba\u8a2d\u8a08\u6a21\u5f0f\u3002\u5b83\u5efa\u7acb\u4e86\u4e00\u7a2e\u8a02\u95b1\u6a5f\u5236\uff0c\u8b93\u7269\u4ef6\u4e4b\u9593\u80fd\u5920\u901a\u8a0a\uff0c\u800c\u7121\u9700\u5efa\u7acb\u76f4\u63a5\u4e14\u786c\u7de8\u78bc\u7684\u9023\u7d50\u3002\u672c\u6307\u5357\u63a2\u8a0e\u89c0\u5bdf\u8005\u6a21\u5f0f\u7684\u904b\u4f5c\u539f\u7406\u3001\u5be6\u4f5c\u65b9\u5f0f\u4ee5\u53ca\u6230\u7565\u6027\u61c9\u7528\uff0c\u4ee5\u5728\u60a8\u7684\u8edf\u9ad4\u67b6\u69cb\u4e2d\u5be6\u73fe\u771f\u6b63\u7684\u9b06\u8026\u5408\u3002<\/p>\n

\n
\"Child-style<\/figure>\n<\/div>\n

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\ud83d\udd27 \u6a21\u5f0f\u7684\u6838\u5fc3\u7d44\u4ef6<\/h2>\n

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    \n
  • \u4e3b\u984c\uff1a<\/strong> \u9019\u662f\u88ab\u89c0\u5bdf\u7684\u7269\u4ef6\u3002\u5b83\u7dad\u8b77\u4e00\u500b\u89c0\u5bdf\u8005\u7684\u6e05\u55ae\uff0c\u4e26\u63d0\u4f9b\u9644\u52a0\u3001\u89e3\u9664\u9644\u52a0\u548c\u901a\u77e5\u7684\u65b9\u6cd5\u3002\u4e3b\u984c\u8ca0\u8cac\u5ee3\u64ad\u72c0\u614b\u7684\u8b8a\u66f4\u3002<\/li>\n
  • \u89c0\u5bdf\u8005\uff1a<\/strong> \u9019\u662f\u5b9a\u7fa9 update \u65b9\u6cd5\u7684\u4ecb\u9762\u6216\u62bd\u8c61\u985e\u5225\u3002\u4efb\u4f55\u5e0c\u671b\u63a5\u6536\u901a\u77e5\u7684\u985e\u5225\u90fd\u5fc5\u9808\u5be6\u4f5c\u6b64\u4ecb\u9762\u3002\u5b83\u78ba\u4fdd\u63a5\u6536\u66f4\u65b0\u6642\u6709\u4e00\u81f4\u7684\u5408\u7d04\u3002<\/li>\n
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    \ud83c\udf09 \u5be6\u73fe\u9b06\u8026\u5408\u7684\u6a5f\u5236<\/h2>\n

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      \n
    • \u7dca\u5bc6\u8026\u5408\uff1a<\/strong> \u4e3b\u984c\u6301\u6709\u5c0d\u89c0\u5bdf\u8005\u7684\u5177\u9ad4\u53c3\u8003\u3002\u89c0\u5bdf\u8005\u985e\u5225\u7684\u8b8a\u66f4\uff0c\u9700\u8981\u540c\u6642\u4fee\u6539\u4e3b\u984c\u985e\u5225\u3002<\/li>\n
    • \u9b06\u8026\u5408\uff1a<\/strong> \u4e3b\u984c\u6301\u6709\u5c0d\u89c0\u5bdf\u8005\u4ecb\u9762\u7684\u53c3\u8003\u3002\u5177\u9ad4\u89c0\u5bdf\u8005\u662f\u5728\u57f7\u884c\u6642\u671f\u8a3b\u518a\u7684\u3002\u4e3b\u984c\u5c0d\u5177\u9ad4\u89c0\u5bdf\u8005\u7684\u7279\u5b9a\u908f\u8f2f\u4e00\u7121\u6240\u77e5\u3002<\/li>\n<\/ul>\n

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      \ud83d\udee0\ufe0f \u5be6\u4f5c\u7b56\u7565<\/h2>\n

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        \n
      1. \u5b9a\u7fa9\u4ecb\u9762\uff1a<\/strong>\u70ba\u89c0\u5bdf\u8005\u5efa\u7acb\u4e00\u500b\u5171\u7528\u4ecb\u9762\u3002\u6b64\u4ecb\u9762\u61c9\u5305\u542b\u4e00\u500b\u66f4\u65b0<\/code>\u65b9\u6cd5\uff0c\u7528\u65bc\u63a5\u6536\u72c0\u614b\u6216\u5c0d\u4e3b\u984c\u7684\u53c3\u8003\u3002<\/li>\n
      2. \u5be6\u4f5c\u4e3b\u984c\uff1a<\/strong>\u5efa\u7acb\u5305\u542b\u5132\u5b58\u89c0\u5bdf\u8005\u7684\u96c6\u5408\u7684\u4e3b\u984c\u985e\u5225\u3002\u5be6\u4f5c\u9644\u52a0<\/code>, \u89e3\u9664\u9644\u52a0<\/code>\uff0c\u4ee5\u53ca\u901a\u77e5<\/code>\u65b9\u6cd5\u3002<\/li>\n
      3. \u5be6\u4f5c\u5177\u9ad4\u89c0\u5bdf\u8005\uff1a<\/strong>\u5efa\u7acb\u5be6\u4f5c\u89c0\u5bdf\u8005\u4ecb\u9762\u7684\u985e\u5225\u3002\u5728\u66f4\u65b0<\/code>\u65b9\u6cd5\u4e2d\uff0c\u5b9a\u7fa9\u8a72\u89c0\u5bdf\u8005\u985e\u578b\u6240\u9700\u7684\u7279\u5b9a\u908f\u8f2f\u3002<\/li>\n
      4. \u5efa\u7acb\u95dc\u4fc2\uff1a<\/strong>\u5728\u5ba2\u6236\u7aef\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u5be6\u4f8b\u5316\u4e3b\u984c\u548c\u89c0\u5bdf\u8005\u3002\u5c0d\u4e3b\u984c\u547c\u53eb\u9644\u52a0\u65b9\u6cd5\u4ee5\u5efa\u7acb\u9023\u7d50\u3002<\/li>\n
      5. \u89f8\u767c\u66f4\u65b0\uff1a<\/strong>\u7576\u4e3b\u984c\u72c0\u614b\u8b8a\u66f4\u6642\uff0c\u547c\u53eb\u901a\u77e5\u65b9\u6cd5\u3002\u4e3b\u984c\u6703\u904d\u6b77\u5176\u89c0\u5bdf\u8005\u6e05\u55ae\uff0c\u4e26\u547c\u53eb\u5b83\u5011\u7684\u66f4\u65b0\u65b9\u6cd5\u3002<\/li>\n<\/ol>\n

        \u901a\u77e5\u6d41\u7a0b\u4e0d\u80fd\u7121\u9650\u671f\u5730\u963b\u585e\u4e3b\u984c\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u67d0\u500b\u89c0\u5bdf\u8005\u8655\u7406\u66f4\u65b0\u8017\u6642\u904e\u9577\uff0c\u53ef\u80fd\u6703\u964d\u4f4e\u4e3b\u984c\u7684\u6548\u80fd\u3002\u56e0\u6b64\uff0c\u901a\u77e5\u8ff4\u5708\u61c9\u5177\u6709\u6548\u7387\u3002<\/p>\n

        \ud83d\udcca \u512a\u9ede\u8207\u7f3a\u9ede<\/h2>\n

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        \u9762\u5411<\/strong><\/th>\n\u7d30\u7bc0<\/strong><\/th>\n<\/tr>\n
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        \u52d5\u614b\u95dc\u4fc2<\/strong><\/td>\n\u89c0\u5bdf\u8005\u53ef\u4ee5\u5728\u57f7\u884c\u6642\u671f\u52a0\u5165\u6216\u79fb\u9664\uff0c\u7121\u9700\u91cd\u65b0\u7de8\u8b6f\u4e3b\u984c\u3002<\/td>\n<\/tr>\n
        \u5ee3\u64ad\u652f\u63f4<\/strong><\/td>\n\u55ae\u4e00\u72c0\u614b\u8b8a\u66f4\u53ef\u80fd\u6703\u540c\u6642\u89f8\u767c\u591a\u500b\u7269\u4ef6\u7684\u66f4\u65b0\u3002<\/td>\n<\/tr>\n
        \u4e0d\u53ef\u9810\u6e2c\u7684\u66f4\u65b0<\/strong><\/td>\n\u89c0\u5bdf\u8005\u63a5\u6536\u901a\u77e5\u7684\u9806\u5e8f\u7121\u6cd5\u4fdd\u8b49\u3002\u5982\u679c\u89c0\u5bdf\u8005\u5f7c\u6b64\u4f9d\u8cf4\uff0c\u53ef\u80fd\u6703\u5c0e\u81f4\u72c0\u614b\u4e0d\u4e00\u81f4\u3002<\/td>\n<\/tr>\n
        \u6548\u80fd\u958b\u92b7<\/strong><\/td>\n\u5982\u679c\u66f4\u65b0\u908f\u8f2f\u8907\u96dc\uff0c\u901a\u77e5\u5927\u91cf\u89c0\u5bdf\u8005\u53ef\u80fd\u6703\u9020\u6210\u9ad8\u6602\u6210\u672c\u3002<\/td>\n<\/tr>\n
        \u8a18\u61b6\u9ad4\u6d29\u6f0f<\/strong><\/td>\n\u5982\u679c\u89c0\u5bdf\u8005\u672a\u6b63\u78ba\u89e3\u9664\u7d81\u5b9a\uff0c\u5373\u4f7f\u4e0d\u518d\u9700\u8981\uff0c\u4e5f\u53ef\u80fd\u6301\u7e8c\u4f54\u7528\u8a18\u61b6\u9ad4\u3002<\/td>\n<\/tr>\n<\/table>\n

        \ud83d\udcc2 \u5be6\u969b\u61c9\u7528\u60c5\u5883<\/h2>\n

        \u96d6\u7136\u7406\u8ad6\u4e0a\u662f\u7a69\u56fa\u7684\uff0c\u4f46\u5be6\u969b\u61c9\u7528\u9700\u8981\u5177\u9ad4\u60c5\u5883\u3002\u4ee5\u4e0b\u662f\u89c0\u5bdf\u8005\u6a21\u5f0f\u80fd\u986f\u8457\u63d0\u5347\u50f9\u503c\u7684\u5177\u9ad4\u60c5\u5883\u3002<\/p>\n

        1. \u4f7f\u7528\u8005\u4ecb\u9762\u66f4\u65b0<\/h3>\n

        \u5728\u5716\u5f62\u4f7f\u7528\u8005\u4ecb\u9762\u4e2d\uff0c\u8cc7\u6599\u6a21\u578b\u901a\u5e38\u9700\u8981\u53cd\u6620\u6aa2\u8996\u7684\u8b8a\u66f4\u3002\u5982\u679c\u4f7f\u7528\u8005\u7de8\u8f2f\u6587\u5b57\u65b9\u584a\u4e2d\u7684\u503c\uff0c\u986f\u793a\u8a72\u503c\u7684\u6a19\u7c64\u5fc5\u9808\u66f4\u65b0\u3002\u5982\u679c\u6a19\u7c64\u3001\u6309\u9215\u72c0\u614b\u548c\u9a57\u8b49\u8a0a\u606f\u90fd\u9700\u66f4\u65b0\uff0c\u89c0\u5bdf\u8005\u6a21\u5f0f\u53ef\u8b93\u6a21\u578b\u5ee3\u64ad\u8b8a\u66f4\uff0c\u800c\u7121\u9700\u4e86\u89e3UI\u5143\u4ef6\u3002<\/p>\n

        2. \u4e8b\u4ef6\u9a45\u52d5\u7cfb\u7d71<\/h3>\n

        \u8655\u7406\u4e8b\u4ef6\u7684\u7cfb\u7d71\uff08\u4f8b\u5982\u8a18\u9304\u6216\u76e3\u63a7\uff09\u80fd\u5f9e\u6b64\u6a21\u5f0f\u4e2d\u53d7\u76ca\u3002\u7576\u7279\u5b9a\u4e8b\u4ef6\u767c\u751f\u6642\uff08\u4f8b\u5982\u5b89\u5168\u6f0f\u6d1e\uff09\uff0c\u591a\u500b\u5b50\u7cfb\u7d71\u53ef\u80fd\u9700\u8981\u53cd\u61c9\uff08\u4f8b\u5982\u767c\u9001\u8b66\u544a\u3001\u8a18\u9304\u4e8b\u4ef6\u3001\u9396\u5b9a\u5e33\u6236\uff09\u3002\u89c0\u5bdf\u8005\u6a21\u5f0f\u53ef\u78ba\u4fdd\u9019\u4e9b\u53cd\u61c9\u81ea\u52d5\u767c\u751f\uff0c\u800c\u7121\u9700\u5b89\u5168\u6a21\u7d44\u70ba\u6bcf\u7a2e\u53cd\u61c9\u786c\u7de8\u78bc\u908f\u8f2f\u3002<\/p>\n

        3. \u8cc7\u6599\u540c\u6b65<\/h3>\n

        \u5728\u5206\u6563\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u8cc7\u6599\u4e00\u81f4\u6027\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u4e3b\u8cc7\u6599\u5eab\u88ab\u66f4\u65b0\uff0c\u6b21\u7d1a\u5feb\u53d6\u6216\u8b80\u53d6\u8907\u672c\u9700\u8981\u91cd\u65b0\u6574\u7406\u3002\u89c0\u5bdf\u8005\u53ef\u4ee5\u76e3\u807d\u63d0\u4ea4\u4e8b\u4ef6\u4e26\u89f8\u767c\u540c\u6b65\u7a0b\u5e8f\uff0c\u4f7f\u7cfb\u7d71\u4fdd\u6301\u4e00\u81f4\uff0c\u800c\u7121\u9700\u7dca\u5bc6\u6574\u5408\u3002<\/p>\n

        4. \u901a\u77e5\u670d\u52d9<\/h3>\n

        \u767c\u9001\u96fb\u5b50\u90f5\u4ef6\u3001\u63a8\u9001\u901a\u77e5\u6216\u7c21\u8a0a\u7684\u61c9\u7528\u7a0b\u5f0f\u901a\u5e38\u4f7f\u7528\u6b64\u6a21\u5f0f\u3002\u7576\u4f7f\u7528\u8005\u72c0\u614b\u8b8a\u66f4\u6642\uff0c\u7cfb\u7d71\u53ef\u901a\u77e5\u96fb\u5b50\u90f5\u4ef6\u670d\u52d9\u3001\u63a8\u9001\u670d\u52d9\u548c\u5167\u90e8\u7a3d\u6838\u8a18\u9304\u3002\u6240\u6709\u9019\u4e9b\u670d\u52d9\u90fd\u8207\u6838\u5fc3\u4f7f\u7528\u8005\u908f\u8f2f\u89e3\u8026\u3002<\/p>\n

        \u26a0\ufe0f \u5e38\u898b\u9677\u9631\u8207\u89e3\u6c7a\u65b9\u6848<\/h2>\n

        \u5373\u4f7f\u6709\u660e\u78ba\u7684\u6a21\u5f0f\uff0c\u5be6\u4f5c\u932f\u8aa4\u4ecd\u53ef\u80fd\u5c0e\u81f4\u7cfb\u7d71\u4e0d\u7a69\u5b9a\u3002\u4ee5\u4e0b\u662f\u5e38\u898b\u554f\u984c\u53ca\u5176\u7de9\u89e3\u65b9\u6cd5\u3002<\/p>\n

        1. \u968e\u5c64\u4f9d\u8cf4<\/h3>\n

        \u5169\u500b\u89c0\u5bdf\u8005\u53ef\u80fd\u5f7c\u6b64\u4f9d\u8cf4\u3002\u5982\u679c\u89c0\u5bdf\u8005A\u66f4\u65b0\u89c0\u5bdf\u8005B\uff0c\u800c\u89c0\u5bdf\u8005B\u53c8\u66f4\u65b0\u89c0\u5bdf\u8005A\uff0c\u5c31\u6703\u7522\u751f\u5faa\u74b0\u5f15\u7528\u8ff4\u5708\u3002\u9019\u6703\u5c0e\u81f4\u5806\u758a\u6ea2\u51fa\u932f\u8aa4\u6216\u7121\u9650\u8ff4\u5708\u3002<\/p>\n

          \n
        • \u89e3\u6c7a\u65b9\u6848\uff1a<\/strong> \u78ba\u4fdd\u901a\u77e5\u908f\u8f2f\u4e0d\u6703\u89f8\u767c\u9700\u8981\u539f\u59cb\u89c0\u5bdf\u8005\u518d\u6b21\u66f4\u65b0\u7684\u72c0\u614b\u8b8a\u66f4\u3002\u4f7f\u7528\u65d7\u6a19\u4f86\u8ffd\u8e64\u8655\u7406\u72c0\u614b\u3002<\/li>\n<\/ul>\n

          2. \u8a18\u61b6\u9ad4\u6d29\u6f0f<\/h3>\n

          \u5728\u5177\u6709\u5783\u573e\u56de\u6536\u6a5f\u5236\u7684\u8a9e\u8a00\u4e2d\uff0c\u5982\u679c\u5177\u9ad4\u89c0\u5bdf\u8005\u6301\u6709\u5c0d\u4e3b\u984c\u7684\u53c3\u8003\uff0c\u800c\u4e3b\u984c\u4e5f\u6301\u6709\u5c0d\u89c0\u5bdf\u8005\u7684\u53c3\u8003\uff0c\u82e5\u672a\u660e\u78ba\u79fb\u9664\uff0c\u5169\u8005\u7686\u7121\u6cd5\u88ab\u56de\u6536\u3002<\/p>\n

            \n
          • \u89e3\u6c7a\u65b9\u6848\uff1a<\/strong> \u59cb\u7d42\u63d0\u4f9b\u4e00\u500b \u89e3\u9664\u7d81\u5b9a<\/code> \u65b9\u6cd5\u3002\u78ba\u4fdd\u7576\u89c0\u5bdf\u8005\u88ab\u92b7\u6bc0\u6642\uff0c\u6703\u5f9e\u4e3b\u984c\u7684\u6e05\u55ae\u4e2d\u81ea\u884c\u79fb\u9664\u3002<\/li>\n<\/ul>\n

            3. \u901a\u77e5\u9806\u5e8f<\/h3>\n

            \u6b64\u6a21\u5f0f\u7121\u6cd5\u78ba\u4fdd\u89c0\u5bdf\u8005\u88ab\u901a\u77e5\u7684\u9806\u5e8f\u3002\u5982\u679c\u89c0\u5bdf\u8005 B \u4f9d\u8cf4\u89c0\u5bdf\u8005 A \u5148\u66f4\u65b0\uff0c\u7cfb\u7d71\u53ef\u80fd\u6703\u51fa\u73fe\u4e0d\u53ef\u9810\u6e2c\u7684\u884c\u70ba\u3002<\/p>\n

              \n
            • \u89e3\u6c7a\u65b9\u6848\uff1a<\/strong>\u5982\u679c\u9806\u5e8f\u5f88\u91cd\u8981\uff0c\u53ef\u8003\u616e\u4f7f\u7528\u8cac\u4efb\u93c8\u7b49\u8b8a\u9ad4\uff0c\u6216\u78ba\u4fdd\u4e3b\u984c\u7ba1\u7406\u4e00\u500b\u7279\u5b9a\u7684\u9806\u5e8f\u6e05\u55ae\u3002\u6216\u8005\uff0c\u8a2d\u8a08\u89c0\u5bdf\u8005\u4f7f\u5176\u5728\u66f4\u65b0\u8cc7\u6599\u4e0a\u70ba\u7121\u72c0\u614b\u6216\u81ea\u7d66\u81ea\u8db3\u3002<\/li>\n<\/ul>\n

              4. \u6027\u80fd\u74f6\u9838<\/h3>\n

              \u6bcf\u6b21\u72c0\u614b\u8b8a\u66f4\u90fd\u901a\u77e5\u6578\u767e\u500b\u89c0\u5bdf\u8005\uff0c\u53ef\u80fd\u6703\u986f\u8457\u964d\u4f4e\u61c9\u7528\u7a0b\u5f0f\u7684\u904b\u884c\u901f\u5ea6\u3002<\/p>\n

                \n
              • \u89e3\u6c7a\u65b9\u6848\uff1a<\/strong>\u5be6\u4f5c\u6279\u6b21\u8655\u7406\u3002\u4e0d\u8981\u5728\u6bcf\u6b21\u5fae\u5c0f\u8b8a\u66f4\u6642\u90fd\u901a\u77e5\uff0c\u800c\u662f\u5c07\u8b8a\u66f4\u5206\u7d44\uff0c\u6bcf\u6279\u6b21\u50c5\u901a\u77e5\u4e00\u6b21\u3002\u6216\u8005\uff0c\u4f7f\u7528\u61f6\u60f0\u6c42\u503c\u7b56\u7565\uff0c\u8b93\u89c0\u5bdf\u8005\u50c5\u5728\u660e\u78ba\u8981\u6c42\u6642\u624d\u66f4\u65b0\u3002<\/li>\n<\/ul>\n

                \ud83d\udd04 \u76f8\u95dc\u6a21\u5f0f\u8207\u8b8a\u9ad4<\/h2>\n

                \u89c0\u5bdf\u8005\u6a21\u5f0f\u4e26\u975e\u5b64\u7acb\u7684\u6982\u5ff5\u3002\u5b83\u8207\u5176\u4ed6\u89e3\u6c7a\u985e\u4f3c\u554f\u984c\u4f46\u5177\u6709\u4e0d\u540c\u6b0a\u8861\u7684\u6a21\u5f0f\u4e26\u5b58\u3002<\/p>\n

                1. \u767c\u5e03-\u8a02\u95b1\u6a21\u5f0f<\/h3>\n

                \u9019\u662f\u89c0\u5bdf\u8005\u6a21\u5f0f\u7684\u4e00\u7a2e\u8b8a\u9ad4\uff0c\u5f15\u5165\u4e86\u4e00\u500b\u4e2d\u4ecb\u8005\uff0c\u7a31\u70ba\u8a0a\u606f\u4ee3\u7406\u6216\u4e8b\u4ef6\u7e3d\u7dda\u3002\u4e3b\u984c\u5c07\u4e8b\u4ef6\u767c\u5e03\u5230\u4ee3\u7406\uff0c\u89c0\u5bdf\u8005\u5247\u8a02\u95b1\u4ee3\u7406\u4e0a\u7684\u4e3b\u984c\u3002\u9019\u9032\u4e00\u6b65\u89e3\u8026\u4e86\u4e3b\u984c\u8207\u89c0\u5bdf\u8005\uff0c\u56e0\u70ba\u5b83\u5011\u5f7c\u6b64\u4e0d\u77e5\u9053\u5c0d\u65b9\u7684\u5b58\u5728\u3002\u6b64\u6a21\u5f0f\u975e\u5e38\u9069\u5408\u5206\u6563\u5f0f\u7cfb\u7d71\u3002<\/p>\n

                2. \u4e2d\u4ecb\u8005\u6a21\u5f0f<\/h3>\n

                \u4e2d\u4ecb\u8005\u6a21\u5f0f\u5c07\u7269\u4ef6\u4e4b\u9593\u7684\u901a\u4fe1\u96c6\u4e2d\u5316\u3002\u8207\u89c0\u5bdf\u8005\u6a21\u5f0f\u5206\u6563\u901a\u77e5\u4e0d\u540c\uff0c\u4e2d\u4ecb\u8005\u6a21\u5f0f\u5c01\u88dd\u4e86\u4e92\u52d5\u95dc\u4fc2\u3002\u7576\u7269\u4ef6\u4e4b\u9593\u7684\u95dc\u4fc2\u8907\u96dc\u4e14\u70ba\u591a\u5c0d\u591a\u6642\uff0c\u61c9\u4f7f\u7528\u4e2d\u4ecb\u8005\u6a21\u5f0f\uff0c\u800c\u975e\u4e00\u5c0d\u591a\u3002<\/p>\n

                3. \u4e8b\u4ef6\u7e3d\u7dda<\/h3>\n

                \u8207\u767c\u5e03-\u8a02\u95b1\u985e\u4f3c\uff0c\u4e8b\u4ef6\u7e3d\u7dda\u901a\u5e38\u4ee5\u55ae\u4f8b\u7269\u4ef6\u7684\u5f62\u5f0f\u5be6\u73fe\uff0c\u7528\u4f86\u7ba1\u7406\u4e8b\u4ef6\u8a3b\u518a\u3002\u5b83\u5ee3\u6cdb\u61c9\u7528\u65bc\u73fe\u4ee3\u6846\u67b6\u4e2d\uff0c\u4ee5\u89e3\u8026\u90a3\u4e9b\u4e0d\u61c9\u76f4\u63a5\u901a\u4fe1\u7684\u6a21\u7d44\u3002<\/p>\n

                \ud83d\udee1\ufe0f \u7dad\u8b77\u7684\u6700\u4f73\u5be6\u52d9<\/h2>\n

                \u70ba\u78ba\u4fdd\u60a8\u7684\u5be6\u4f5c\u9577\u671f\u4fdd\u6301\u7a69\u5065\uff0c\u8acb\u9075\u5faa\u4ee5\u4e0b\u6307\u5357\u3002<\/p>\n

                  \n
                • \u4fdd\u6301\u4ecb\u9762\u7c21\u55ae\uff1a<\/strong> \u4ecb\u9762\u4e2d\u7684 update<\/code> \u65b9\u6cd5\u61c9\u7406\u60f3\u5730\u63a5\u6536\u66f4\u65b0\u6240\u9700\u7684\u8cc7\u6599\uff0c\u800c\u975e\u4e3b\u984c\u7684\u53c3\u8003\u3002\u9019\u53ef\u9632\u6b62\u89c0\u5bdf\u8005\u67e5\u8a62\u4e3b\u984c\u7684\u5167\u90e8\u72c0\u614b\uff0c\u907f\u514d\u91cd\u65b0\u5f15\u5165\u8026\u5408\u3002<\/li>\n
                • \u59a5\u5584\u8655\u7406\u4f8b\u5916\u72c0\u6cc1\uff1a<\/strong> \u5982\u679c\u67d0\u500b\u89c0\u5bdf\u8005\u5728\u57f7\u884c update<\/code> \u65b9\u6cd5\u6642\u62cb\u51fa\u4f8b\u5916\uff0c\u4e0d\u61c9\u5c0e\u81f4\u5269\u9918\u89c0\u5bdf\u8005\u7684\u901a\u77e5\u8ff4\u5708\u5d29\u6f70\u3002\u8acb\u5c07\u66f4\u65b0\u547c\u53eb\u5305\u88dd\u5728 try-catch \u5340\u584a\u4e2d\u3002<\/li>\n
                • \u4f7f\u7528\u5f31\u53c3\u8003\uff1a<\/strong> \u5728\u67d0\u4e9b\u74b0\u5883\u4e2d\uff0c\u5c0d\u89c0\u5bdf\u8005\u5132\u5b58\u4f7f\u7528\u5f31\u53c3\u8003\uff0c\u53ef\u5728\u89c0\u5bdf\u8005\u88ab\u5783\u573e\u56de\u6536\u6642\u81ea\u52d5\u9632\u6b62\u8a18\u61b6\u9ad4\u6d29\u6f0f\u3002<\/li>\n
                • \u907f\u514d\u904e\u91cd\u7684\u908f\u8f2f\uff1a<\/strong> \u901a\u77e5\u904e\u7a0b\u61c9\u4fdd\u6301\u8f15\u91cf\u3002\u5c07\u7e41\u91cd\u7684\u8655\u7406\u79fb\u81f3\u975e\u540c\u6b65\u57f7\u884c\u7dd2\u6216\u80cc\u666f\u5de5\u4f5c\uff0c\u4ee5\u4fdd\u6301\u4e3b\u984c\u7684\u56de\u61c9\u80fd\u529b\u3002<\/li>\n
                • \u8a18\u9304\u4f9d\u8cf4\u95dc\u4fc2\uff1a<\/strong> \u96d6\u7136\u7a0b\u5f0f\u78bc\u5df2\u89e3\u8026\uff0c\u4f46\u908f\u8f2f\u4f9d\u8cf4\u95dc\u4fc2\u4ecd\u7136\u5b58\u5728\u3002\u8acb\u8a18\u9304\u54ea\u4e9b\u89c0\u5bdf\u8005\u61c9\u8655\u7406\u7279\u5b9a\u4e8b\u4ef6\uff0c\u4ee5\u5354\u52a9\u672a\u4f86\u7684\u958b\u767c\u4eba\u54e1\u3002<\/li>\n<\/ul>\n

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