{"id":1492,"date":"2026-03-31T20:28:12","date_gmt":"2026-03-31T20:28:12","guid":{"rendered":"https:\/\/www.viz-read.com\/tw\/understanding-object-instantiation-object-diagrams\/"},"modified":"2026-03-31T20:28:12","modified_gmt":"2026-03-31T20:28:12","slug":"understanding-object-instantiation-object-diagrams","status":"publish","type":"post","link":"https:\/\/www.viz-read.com\/tw\/understanding-object-instantiation-object-diagrams\/","title":{"rendered":"\u7406\u89e3\u7269\u4ef6\u5be6\u4f8b\u5316\uff1a\u7269\u4ef6\u5716\u4e2d\u7684\u95dc\u9375\u7d44\u6210\u90e8\u5206"},"content":{"rendered":"

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

\ud83d\udd0d \u4ec0\u9ebc\u662f\u7269\u4ef6\u5be6\u4f8b\u5316\uff1f<\/h2>\n

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    \n
  • \u4e00\u500b\u7368\u7279\u7684\u8b58\u5225\u78bc\uff1a<\/strong>\u6bcf\u500b\u7269\u4ef6\u90fd\u5fc5\u9808\u80fd\u8207\u5176\u4ed6\u7269\u4ef6\u5340\u5206\uff0c\u5373\u4f7f\u5b83\u5011\u5c6c\u65bc\u540c\u4e00\u500b\u985e\u5225\u3002<\/li>\n
  • \u4e00\u500b\u7279\u5b9a\u7684\u72c0\u614b\uff1a<\/strong>\u5c6c\u6027\u6301\u6709\u5177\u9ad4\u7684\u503c\uff0c\u800c\u975e\u62bd\u8c61\u7684\u8cc7\u6599\u985e\u578b\u3002<\/li>\n
  • \u8207\u5176\u4ed6\u7269\u4ef6\u7684\u95dc\u4fc2\uff1a<\/strong>\u5be6\u4f8b\u5316\u7684\u7269\u4ef6\u900f\u904e\u9023\u7d50\u8207\u5176\u4ed6\u5be6\u4f8b\u76f8\u9023\u3002<\/li>\n<\/ul>\n

    \u82e5\u7121\u5be6\u4f8b\u5316\uff0c\u6a21\u578b\u50c5\u505c\u7559\u5728\u7406\u8ad6\u5c64\u9762\u3002\u5be6\u4f8b\u5316\u4f7f\u6a21\u578b\u843d\u5be6\u65bc\u7279\u5b9a\u60c5\u5883\u4e2d\uff0c\u5f9e\u800c\u80fd\u5728\u64b0\u5beb\u7a0b\u5f0f\u78bc\u4e4b\u524d\uff0c\u5206\u6790\u884c\u70ba\u3001\u9a57\u8b49\u7d04\u675f\u689d\u4ef6\uff0c\u4e26\u78ba\u8a8d\u7d50\u69cb\u5b8c\u6574\u6027\u3002<\/p>\n

    \ud83c\udfd7\ufe0f \u8a9e\u6cd5\u8207\u547d\u540d\u6163\u4f8b<\/h2>\n

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    \ud83c\udff7\ufe0f \u7269\u4ef6\u547d\u540d\u898f\u5247<\/h3>\n

    \u7269\u4ef6\u5be6\u4f8b\u7684\u540d\u7a31\u901a\u5e38\u9075\u5faa\u67d0\u7a2e\u6163\u4f8b\uff0c\u4ee5\u78ba\u4fdd\u5716\u8868\u5167\u7684\u6e05\u6670\u5ea6\u3002\u5e38\u898b\u505a\u6cd5\u5305\u62ec\uff1a<\/p>\n

      \n
    • \u9996\u5b57\u6bcd\u5c0f\u5beb\uff1a<\/strong>\u7269\u4ef6\u540d\u7a31\u901a\u5e38\u4ee5\u5c0f\u5beb\u5b57\u6bcd\u958b\u982d\uff0c\u4ee5\u5340\u5206\u65bc\u901a\u5e38\u4ee5\u5927\u5beb\u5b57\u6bcd\u958b\u982d\u7684\u985e\u5225\u540d\u7a31\u3002\u4f8b\u5982\uff0ccustomer1<\/code>\u5c0d\u6bd4Customer<\/code>.<\/li>\n
    • \u552f\u4e00\u6027\uff1a<\/strong>\u5728\u55ae\u4e00\u5716\u8868\u7684\u8108\u7d61\u4e2d\uff0c\u6bcf\u500b\u7269\u4ef6\u5be6\u4f8b\u90fd\u5fc5\u9808\u64c1\u6709\u552f\u4e00\u7684\u540d\u7a31\u3002\u4f60\u4e0d\u80fd\u6709\u5169\u500b\u540d\u7a31\u70baorder1<\/code> \u5728\u540c\u4e00\u5f35\u5716\u4e2d\uff0c\u9664\u975e\u5b83\u5011\u4ee3\u8868\u540c\u4e00\u500b\u7279\u5b9a\u5be6\u9ad4\u3002<\/li>\n
    • \u660e\u78ba\u7684\u985e\u578b\u5ba3\u544a\uff1a<\/strong> \u985e\u578b\u7e3d\u662f\u660e\u78ba\u5730\u5728\u5192\u865f\u5f8c\u9762\u9673\u8ff0\u3002\u9019\u5f37\u5316\u4e86\u5be6\u4f8b\u8207\u5176\u985e\u5225\u5b9a\u7fa9\u4e4b\u9593\u7684\u95dc\u4fc2\u3002<\/li>\n<\/ul>\n

      \u8003\u616e\u4ee5\u4e0b\u7b26\u865f\u7bc4\u4f8b\uff1a<\/p>\n

      order1 : Order\n<\/code><\/pre>\n
      \u6b64\u7b26\u865f\u660e\u78ba\u5730\u544a\u8a34\u89c0\u770b\u8005order1<\/code> \u662f Order<\/code> \u985e\u5225\u7684\u4e00\u500b\u5177\u9ad4\u5be6\u4f8b\u3002\u5b83\u5c07\u6b64\u5be6\u9ad4\u8207\u300c\u8a02\u55ae\u300d\u7684\u4e00\u822c\u6982\u5ff5\u5340\u5206\u958b\u4f86\u3002<\/p>\n
      \ud83d\udcdd \u5305\u542b\u5c6c\u6027\u503c<\/h3>\n
      \u7269\u4ef6\u5716\u6700\u5f37\u5927\u7684\u529f\u80fd\u4e4b\u4e00\u662f\u80fd\u5920\u986f\u793a\u5c6c\u6027\u503c\u3002\u96d6\u7136\u985e\u5225\u5716\u50c5\u5217\u51fa\u5c6c\u6027\u985e\u578b\uff08\u4f8b\u5982\uff0cprice : float<\/code>\uff09\uff0c\u7269\u4ef6\u5716\u5247\u53ef\u4ee5\u5217\u51fa\u5c6c\u6027\u503c\uff08\u4f8b\u5982\uff0cprice = 99.99<\/code>\uff09\u3002\u9019\u7a2e\u7d30\u7bc0\u5c64\u7d1a\u5c0d\u65bc\u9664\u932f\u548c\u60c5\u5883\u5206\u6790\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n
      \u5728\u7269\u4ef6\u5716\u4e2d\u986f\u793a\u5c6c\u6027\u503c\u6642\uff0c\u8acb\u9075\u5faa\u4ee5\u4e0b\u6307\u5357\uff1a<\/p>\n
        \n
      • \u5b57\u9762\u503c\uff1a<\/strong> \u4f7f\u7528\u5206\u914d\u7d66\u5c6c\u6027\u7684\u5be6\u969b\u503c\u3002\u5982\u679c\u5c6c\u6027\u4ee3\u8868\u5b57\u4e32\uff0c\u8acb\u7528\u5f15\u865f\u5305\u8d77\u4f86\u3002<\/li>\n
      • \u7a7a\u503c\uff1a<\/strong> \u7576\u5c6c\u6027\u6c92\u6709\u503c\u6642\u4e88\u4ee5\u6a19\u793a\uff0c\u901a\u5e38\u4ee5 null<\/code> \u6216 None<\/code>.<\/li>\n
      • \u96c6\u5408\u503c\uff1a<\/strong> \u5982\u679c\u5c6c\u6027\u5305\u542b\u6e05\u55ae\u6216\u9663\u5217\uff0c\u8acb\u986f\u793a\u5176\u5167\u5bb9\u6216\u4ee3\u8868\u6027\u5b50\u96c6\u3002<\/li>\n<\/ul>\n
        \u5177\u6709\u72c0\u614b\u7684\u7269\u4ef6\u7bc4\u4f8b\uff1a<\/p>\n
        invoice1 : Invoice {\n  number = \"INV-2023-001\"\n  total = 1500.00\n  status = \"Paid\"\n}\n<\/code><\/pre>\n
        \u6b64\u7b26\u865f\u8b93\u5229\u5bb3\u95dc\u4fc2\u4eba\u80fd\u5920\u6e05\u695a\u770b\u5230\u767c\u7968\u4ed8\u6b3e\u6642\u7cfb\u7d71\u7684\u5be6\u969b\u6a23\u8c8c\uff0c\u800c\u4e0d\u50c5\u50c5\u662f\u77e5\u9053\u767c\u7968 \u53ef\u4ee5<\/em>\u53ef\u4ee5\u652f\u4ed8\u3002<\/p>\n
        \ud83d\udd17 \u95dc\u4fc2\u8207\u9023\u7d50<\/h2>\n
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        \ud83d\udd17 \u9023\u7d50\u7684\u8868\u793a<\/h3>\n
        \u9023\u7d50\u662f\u95dc\u806f\u7684\u4e00\u500b\u5177\u9ad4\u5be6\u4f8b\u3002\u5982\u679c\u95dc\u806f\u5b9a\u7fa9\u4e86\u5169\u500b\u985e\u5225\u4e4b\u9593\u7684\u7d50\u69cb\u8def\u5f91\uff08\u4f8b\u5982\uff0c\u9867\u5ba2<\/code>\u8207\u8a02\u55ae<\/code>\uff09\uff0c\u5247\u9023\u7d50\u5b9a\u7fa9\u4e86\u5169\u500b\u5be6\u4f8b\u4e4b\u9593\u7684\u7279\u5b9a\u8def\u5f91\uff08\u4f8b\u5982\uff0c\u9867\u5ba21<\/code>\u8207\u8a02\u55ae1<\/code>).<\/p>\n
        \u5728\u7269\u4ef6\u5716\u4e2d\u7e6a\u88fd\u9023\u7d50\u6642\uff1a<\/p>\n
          \n
        • \u9023\u7d50\u5be6\u4f8b\uff1a<\/strong>\u5728\u4ee3\u8868\u7269\u4ef6\u7684\u65b9\u6846\u4e4b\u9593\u756b\u4e00\u689d\u7dda\u3002<\/li>\n
        • \u6a19\u793a\u9023\u7d50\uff1a<\/strong>\u8207\u95dc\u806f\u985e\u4f3c\uff0c\u9023\u7d50\u53ef\u4ee5\u52a0\u4e0a\u6a19\u7c64\uff0c\u4ee5\u63cf\u8ff0\u9023\u7d50\u7684\u6027\u8cea\u3002<\/li>\n
        • \u6a19\u793a\u89d2\u8272\u540d\u7a31\uff1a<\/strong> \u5982\u679c\u95dc\u806f\u5177\u6709\u89d2\u8272\uff08\u4f8b\u5982\uff0c\u8cb7\u65b9<\/code>\u8207\u8ce3\u65b9<\/code>\uff09\uff0c\u9023\u7d50\u61c9\u53cd\u6620\u9019\u4e9b\u89d2\u8272\u3002<\/li>\n<\/ul>\n
          \ud83d\udcca \u7269\u4ef6\u5716\u4e2d\u7684\u591a\u91cd\u6027<\/h3>\n
          \u985e\u5225\u5716\u4e2d\u5b9a\u7fa9\u7684\u591a\u91cd\u6027\u7d04\u675f\uff08\u4f8b\u5982\uff0c\u4e00\u5c0d\u591a\uff09\u5fc5\u9808\u5728\u7269\u4ef6\u5716\u4e2d\u9075\u5b88\u3002\u7136\u800c\uff0c\u7269\u4ef6\u5716\u986f\u793a\u7684\u662f\u8a72\u7d04\u675f\u7684\u7279\u5b9a\u5be6\u73fe\u3002<\/p>\n
          \u4f8b\u5982\uff0c\u5982\u679c\u4e00\u500b\u5ba2\u6236<\/code> \u53ef\u4ee5\u4e0b\u591a\u500b \u8a02\u55ae<\/code>\uff0c\u7269\u4ef6\u5716\u53ef\u80fd\u986f\u793acustomer1<\/code> \u9023\u7d50\u5230 order1<\/code>, order2<\/code>\uff0c\u4ee5\u53caorder3<\/code>\u3002\u9019\u5448\u73fe\u4e86\u8a72\u6642\u523b\u7684\u7279\u5b9a\u57fa\u6578\u3002<\/p>\n
          \u9023\u7d50\u6642\u9700\u8003\u616e\u7684\u91cd\u9ede\u5305\u62ec\uff1a<\/p>\n
            \n
          • \u65b9\u5411\u6027\uff1a<\/strong> \u9023\u7d50\u901a\u5e38\u662f\u96d9\u5411\u7684\uff0c\u4f46\u5c0e\u822a\u65b9\u5411\u5c0d\u65bc\u6240\u5efa\u6a21\u7684\u908f\u8f2f\u81f3\u95dc\u91cd\u8981\u3002<\/li>\n
          • \u57fa\u6578\uff1a<\/strong> \u78ba\u4fdd\u9023\u7d50\u6578\u91cf\u8207\u985e\u5225\u6a21\u578b\u4e2d\u5b9a\u7fa9\u7684\u591a\u91cd\u6027\u76f8\u7b26\u3002<\/li>\n
          • \u805a\u5408\u8207\u7d44\u6210\uff1a<\/strong> \u756b\u9023\u7d50\u6642\uff0c\u9700\u5340\u5206\u5171\u4eab\u64c1\u6709\u6b0a\uff08\u805a\u5408\uff09\u8207\u7368\u4f54\u64c1\u6709\u6b0a\uff08\u7d44\u6210\uff09\u3002<\/li>\n<\/ul>\n
            \u2696\ufe0f \u7269\u4ef6\u5716\u8207\u985e\u5225\u5716<\/h2>\n
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            \u4e0b\u8868\u6982\u8ff0\u4e86\u4e3b\u8981\u5dee\u7570\uff1a<\/p>\n\n\n\n\n\n\n\n\n\n\n
            \u7279\u5fb5<\/th>\n\u985e\u5225\u5716<\/th>\n\u7269\u4ef6\u5716<\/th>\n<\/tr>\n<\/thead>\n
            \u7126\u9ede<\/strong><\/td>\n\u62bd\u8c61\u7d50\u69cb\u8207\u985e\u578b<\/td>\n\u5177\u9ad4\u5be6\u4f8b\u8207\u8cc7\u6599<\/td>\n<\/tr>\n
            \u6642\u9593<\/strong><\/td>\n\u975c\u614b\uff08\u85cd\u5716\uff09<\/td>\n\u52d5\u614b\uff08\u57f7\u884c\u6642\u5feb\u7167\uff09<\/td>\n<\/tr>\n
            \u5c6c\u6027<\/strong><\/td>\n\u5b9a\u7fa9\u8cc7\u6599\u985e\u578b<\/td>\n\u5b9a\u7fa9\u7279\u5b9a\u503c<\/td>\n<\/tr>\n
            \u540d\u7a31<\/strong><\/td>\n\u985e\u5225\u540d\u7a31\uff08\u4f8b\u5982\uff0c\u7522\u54c1<\/code>)<\/td>\n\u5be6\u4f8b\u540d\u7a31 + \u985e\u578b\uff08\u4f8b\u5982\uff0cprod1 : \u7522\u54c1<\/code>)<\/td>\n<\/tr>\n
            \u95dc\u4fc2<\/strong><\/td>\n\u95dc\u806f\uff08\u4e00\u822c\uff09<\/td>\n\u9023\u7d50\uff08\u7279\u5b9a\uff09<\/td>\n<\/tr>\n
            \u4f7f\u7528\u6848\u4f8b<\/strong><\/td>\n\u7cfb\u7d71\u8a2d\u8a08\u3001\u6587\u4ef6\u7de8\u5beb<\/td>\n\u9664\u932f\u3001\u60c5\u5883\u6e2c\u8a66<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
            \u7406\u89e3\u9019\u9805\u5340\u5225\u5c0d\u65bc\u9078\u64c7\u5408\u9069\u7684\u5de5\u5177\u81f3\u95dc\u91cd\u8981\u3002\u5982\u679c\u60a8\u6b63\u5728\u5b9a\u7fa9\u7cfb\u7d71\u7684\u898f\u5247\uff0c\u8acb\u4f7f\u7528\u985e\u5225\u5716\u3002\u5982\u679c\u60a8\u6b63\u5728\u5206\u6790\u7279\u5b9a\u7684\u932f\u8aa4\u6216\u95dc\u9375\u7684\u5546\u696d\u60c5\u5883\uff0c\u8acb\u4f7f\u7528\u7269\u4ef6\u5716\u3002<\/p>\n
            \ud83d\udee0\ufe0f \u5be6\u4f8b\u5316\u7684\u5be6\u969b\u61c9\u7528<\/h2>\n
            \u70ba\u4ec0\u9ebc\u8981\u82b1\u6642\u9593\u5efa\u7acb\u5be6\u4f8b\u5316\u7269\u4ef6\u7684\u6a21\u578b\uff1f\u5176\u50f9\u503c\u5728\u65bc\u6e05\u6670\u8207\u7cbe\u78ba\u3002\u7269\u4ef6\u5be6\u4f8b\u5316\u80fd\u5e6b\u52a9\u5229\u5bb3\u95dc\u4fc2\u4eba\u4ee5\u62bd\u8c61\u985e\u5225\u5716\u7121\u6cd5\u9054\u6210\u7684\u65b9\u5f0f\uff0c\u76f4\u89c0\u5730\u7406\u89e3\u7cfb\u7d71\u7684\u72c0\u614b\u3002<\/p>\n
            \ud83d\udd0d \u8907\u96dc\u4e92\u52d5\u7684\u9664\u932f<\/h3>\n
            \u7576\u7cfb\u7d71\u884c\u70ba\u51fa\u4e4e\u610f\u6599\u6642\uff0c\u985e\u5225\u5716\u5f80\u5f80\u7121\u6cd5\u89e3\u91cb\u539f\u56e0\u3002\u7269\u4ef6\u5716\u53ef\u4ee5\u9396\u5b9a\u9020\u6210\u554f\u984c\u7684\u7279\u5b9a\u5be6\u4f8b\u3002\u900f\u904e\u7e6a\u88fd\u51fa\u6d89\u53ca\u7684\u7cbe\u78ba\u7269\u4ef6\u53ca\u5176\u5c6c\u6027\u503c\uff0c\u958b\u767c\u4eba\u54e1\u53ef\u4ee5\u8ffd\u8e64\u8cc7\u6599\u6d41\uff0c\u4e26\u627e\u51fa\u908f\u8f2f\u8207\u9810\u671f\u80cc\u96e2\u7684\u4f4d\u7f6e\u3002<\/p>\n
            \ud83d\udcdd \u60c5\u5883\u6587\u4ef6\u7de8\u5beb<\/h3>\n
            \u5c0d\u65bc\u8907\u96dc\u7684\u5546\u696d\u898f\u5247\uff0c\u8a18\u9304\u7279\u5b9a\u60c5\u5883\u6bd4\u63cf\u8ff0\u4e00\u822c\u898f\u5247\u66f4\u6709\u6548\u3002\u4f8b\u5982\uff0c\u82e5\u6298\u6263\u653f\u7b56\u50c5\u5728\u5ba2\u6236\u4e0b\u55ae\u8d85\u904e\u4e94\u6b21\u6642\u9069\u7528\uff0c\u7269\u4ef6\u5716\u53ef\u986f\u793a\u4e00\u4f4d\u64c1\u6709\u4e94\u7b46\u8a02\u55ae\u7684\u7279\u5b9a\u5ba2\u6236\uff0c\u4ee5\u8996\u89ba\u65b9\u5f0f\u5448\u73fe\u89f8\u767c\u689d\u4ef6\u3002<\/p>\n
            \ud83e\uddea \u6e2c\u8a66\u8207\u9a57\u8b49<\/h3>\n
            \u5728\u5be6\u4f5c\u7a0b\u5f0f\u78bc\u4e4b\u524d\uff0c\u67b6\u69cb\u5e2b\u53ef\u4f7f\u7528\u7269\u4ef6\u5716\u4f86\u9a57\u8b49\u7d04\u675f\u689d\u4ef6\u3002\u82e5\u9023\u7d50\u6697\u793a\u7684\u95dc\u4fc2\u9055\u53cd\u4e86\u591a\u91cd\u6027\u7d04\u675f\uff0c\u9019\u5728\u7269\u4ef6\u5716\u4e2d\u7acb\u5373\u53ef\u898b\u3002\u9019\u53ef\u9632\u6b62\u908f\u8f2f\u932f\u8aa4\u50b3\u64ad\u81f3\u7a0b\u5f0f\u78bc\u5eab\u3002<\/p>\n
            \ud83d\udde3\ufe0f \u8207\u975e\u6280\u8853\u5229\u5bb3\u95dc\u4fc2\u4eba\u7684\u6e9d\u901a<\/h3>\n
            \u696d\u52d9\u5206\u6790\u5e2b\u8207\u7522\u54c1\u7d93\u7406\u7d93\u5e38\u96e3\u4ee5\u7406\u89e3\u62bd\u8c61\u7684\u985e\u5225\u7d50\u69cb\u3002\u5177\u9ad4\u7684\u7269\u4ef6\u540d\u7a31\uff08\u4f8b\u5982\uff0c\u767c\u79681<\/code>\uff09\u8207\u503c\uff08\u4f8b\u5982\uff0c\u72c0\u614b = \u5df2\u4ed8\u6b3e<\/code>) \u66f4\u5bb9\u6613\u7406\u89e3\u3002\u7269\u4ef6\u5716\u5c07\u6280\u8853\u908f\u8f2f\u8f49\u5316\u70ba\u696d\u52d9\u73fe\u5be6\u3002<\/p>\n
            \ud83d\udea7 \u7269\u4ef6\u5efa\u6a21\u4e2d\u7684\u5e38\u898b\u9677\u9631<\/h2>\n
            \u96d6\u7136\u7269\u4ef6\u5716\u529f\u80fd\u5f37\u5927\uff0c\u4f46\u5bb9\u6613\u51fa\u73fe\u7279\u5b9a\u7684\u5efa\u6a21\u932f\u8aa4\u3002\u907f\u514d\u9019\u4e9b\u9677\u9631\u53ef\u78ba\u4fdd\u5716\u8868\u4fdd\u6301\u70ba\u6709\u7528\u7684\u5de5\u5177\uff0c\u800c\u975e\u6df7\u6dc6\u7684\u4f86\u6e90\u3002<\/p>\n
            \u274c \u5716\u8868\u904e\u8f09<\/h3>\n
            \u6700\u5e38\u898b\u7684\u932f\u8aa4\u4e4b\u4e00\u662f\u8a66\u5716\u5728\u55ae\u4e00\u7269\u4ef6\u5716\u4e2d\u5448\u73fe\u6574\u500b\u7cfb\u7d71\u72c0\u614b\u3002\u7269\u4ef6\u5716\u61c9\u4fdd\u6301\u805a\u7126\u3002\u986f\u793a\u6578\u767e\u500b\u5be6\u4f8b\u6703\u9020\u6210\u8996\u89ba\u6df7\u4e82\uff0c\u4e26\u63a9\u84cb\u4f60\u60f3\u8981\u5f37\u8abf\u7684\u95dc\u4fc2\u3002<\/p>\n
            \u8f03\u4f73\u505a\u6cd5\uff1a<\/strong> \u5c07\u8907\u96dc\u7cfb\u7d71\u62c6\u5206\u70ba\u591a\u500b\u7269\u4ef6\u5716\uff0c\u6bcf\u500b\u5716\u5c08\u6ce8\u65bc\u7279\u5b9a\u7684\u4e92\u52d5\u6216\u6a21\u7d44\u3002\u4f7f\u7528\u985e\u5716\u4f86\u5448\u73fe\u6574\u9ad4\u7d50\u69cb\uff0c\u4e26\u4f7f\u7528\u7269\u4ef6\u5716\u4f86\u8655\u7406\u7279\u5b9a\u4f7f\u7528\u60c5\u5883\u3002<\/p>\n
            \u274c \u5ffd\u7565\u72c0\u614b\u4e00\u81f4\u6027<\/h3>\n
            \u5f88\u5bb9\u6613\u5728\u672a\u78ba\u4fdd\u7269\u4ef6\u72c0\u614b\u4e00\u81f4\u7684\u60c5\u6cc1\u4e0b\u7e6a\u88fd\u7269\u4ef6\u4e4b\u9593\u7684\u9023\u7d50\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4e00\u500b\u8a02\u55ae<\/code>\u7269\u4ef6\u8207\u4e00\u500b\u5ba2\u6236<\/code>\u9023\u7d50\uff0c\u5247\u8a72\u8a02\u55ae<\/code>\u7684\u80fd\u529b\u4e00\u81f4\uff08\u4f8b\u5982\u72c0\u614b = \u5df2\u767c\u8ca8<\/code>\uff09\u61c9\u5728\u908f\u8f2f\u4e0a\u8207\u5ba2\u6236<\/code>\u7684\u80fd\u529b\u4e00\u81f4\uff08\u4f8b\u5982\u5e33\u6236\u72c0\u614b = \u6d3b\u8e8d<\/code>).<\/p>\n
            \u8f03\u4f73\u505a\u6cd5\uff1a<\/strong> \u6aa2\u67e5\u5c6c\u6027\u503c\u662f\u5426\u908f\u8f2f\u4e00\u81f4\u3002\u78ba\u4fdd\u540c\u4e00\u5716\u8868\u4e2d\u4e00\u500b\u7269\u4ef6\u7684\u72c0\u614b\u4e0d\u6703\u8207\u53e6\u4e00\u500b\u7269\u4ef6\u7684\u72c0\u614b\u77db\u76fe\u3002<\/p>\n
            \u274c \u6df7\u6dc6\u9023\u7d50\u8207\u95dc\u806f<\/h3>\n
            \u6709\u4e9b\u5efa\u6a21\u8005\u6703\u5728\u7269\u4ef6\u5be6\u4f8b\u4e4b\u9593\u7e6a\u88fd\u95dc\u806f\uff0c\u800c\u975e\u9023\u7d50\u3002\u96d6\u7136\u8996\u89ba\u4e0a\u76f8\u4f3c\uff0c\u4f46\u8a9e\u7fa9\u610f\u7fa9\u4e0d\u540c\u3002\u95dc\u806f\u5c6c\u65bc\u985e\uff1b\u9023\u7d50\u5c6c\u65bc\u5be6\u4f8b\u3002<\/p>\n
            \u8f03\u4f73\u505a\u6cd5\uff1a<\/strong> \u78ba\u4fdd\u4f60\u7e6a\u88fd\u7684\u662f\u5be6\u4f8b\u4e4b\u9593\u7684\u7dda\u3002\u5982\u679c\u4f60\u5728\u5169\u500b\u985e\u5225\u65b9\u6846\u4e4b\u9593\u7e6a\u88fd\u7dda\uff0c\u4f60\u662f\u5728\u7e6a\u88fd\u95dc\u806f\u3002\u5982\u679c\u4f60\u5728\u5169\u500b\u7269\u4ef6\u65b9\u6846\u4e4b\u9593\u7e6a\u88fd\u7dda\uff08\u4f8b\u5982\u540d\u7a31\u70baobj1<\/code>\uff09\u4e4b\u9593\uff0c\u4f60\u662f\u5728\u7e6a\u88fd\u9023\u7d50\u3002<\/p>\n
            \u274c \u7f3a\u5931\u5c6c\u6027\u503c<\/h3>\n
            \u7701\u7565\u5c6c\u6027\u503c\u6703\u4f7f\u5716\u8868\u50c5\u50c5\u8b8a\u6210\u96b1\u85cf\u7684\u985e\u5716\u3002\u7269\u4ef6\u5716\u7684\u5f37\u5927\u4e4b\u8655\u5728\u65bc\u5176\u503c\u3002\u82e5\u7f3a\u5c11\u9019\u4e9b\u503c\uff0c\u4f60\u5c31\u5931\u53bb\u4e86\u9a57\u8b49\u7279\u5b9a\u7d04\u675f\u7684\u80fd\u529b\u3002<\/p>\n
            \u66f4\u597d\u7684\u505a\u6cd5\uff1a<\/strong>\u5373\u4f7f\u503c\u672a\u77e5\uff0c\u4e5f\u61c9\u4f7f\u7528\u5360\u4f4d\u7b26\u6216\u901a\u7528\u503c\u4f86\u8868\u793a\u72c0\u614b\u7684\u5b58\u5728\u3002\u82e5\u7269\u4ef6\u61c9\u88ab\u5be6\u4f8b\u5316\uff0c\u5207\u52ff\u5c07\u5c6c\u6027\u5340\u6bb5\u7559\u7a7a\u3002<\/p>\n
            \ud83e\udde9 \u9ad8\u968e\u8003\u91cf<\/h2>\n
            \u96a8\u8457\u5efa\u6a21\u9700\u6c42\u8b8a\u5f97\u66f4\u8907\u96dc\uff0c\u7269\u4ef6\u5be6\u4f8b\u5316\u9700\u8981\u66f4\u6df1\u5165\u5730\u8003\u616e\u751f\u547d\u9031\u671f\u8207\u591a\u578b\u6027\u3002<\/p>\n
            \ud83d\udd04 \u751f\u547d\u9031\u671f\u968e\u6bb5<\/h3>\n
            \u7269\u4ef6\u5177\u6709\u751f\u547d\u9031\u671f\u3002\u5b83\u5011\u88ab\u5efa\u7acb\u3001\u4fee\u6539\uff0c\u6700\u7d42\u88ab\u92b7\u6bc0\u3002\u7269\u4ef6\u5716\u50c5\u4ee3\u8868\u67d0\u4e00\u6642\u523b\u7684\u72c0\u614b\u3002\u9664\u975e\u900f\u904e\u591a\u500b\u5716\u8868\u660e\u78ba\u5efa\u6a21\uff0c\u5426\u5247\u4e0d\u6703\u986f\u793a\u7269\u4ef6\u7684\u6b77\u53f2\u6216\u672a\u4f86\u72c0\u614b\u3002<\/p>\n
            \u5efa\u6a21\u6642\uff1a<\/p>\n
              \n
            • \u5efa\u7acb\uff1a<\/strong>\u4ee5\u9810\u8a2d\u6216\u521d\u59cb\u503c\u986f\u793a\u7269\u4ef6\u3002<\/li>\n
            • \u6d3b\u8e8d\u72c0\u614b\uff1a<\/strong>\u4ee5\u76ee\u524d\u7684\u503c\u548c\u6d3b\u8e8d\u9023\u7d50\u986f\u793a\u7269\u4ef6\u3002<\/li>\n
            • \u92b7\u6bc0\uff1a<\/strong>\u6a19\u793a\u5df2\u4e0d\u518d\u6d3b\u8e8d\u7684\u7269\u4ef6\uff0c\u901a\u5e38\u900f\u904e\u7279\u5b9a\u7b26\u865f\u6216\u5b8c\u5168\u5f9e\u5716\u4e2d\u79fb\u9664\u4f86\u8868\u793a\u3002<\/li>\n<\/ul>\n
              \ud83c\udfad \u5be6\u4f8b\u4e2d\u7684\u591a\u578b\u6027<\/h3>\n
              \u96d6\u7136\u985e\u5716\u986f\u793a\u7e7c\u627f\u5c64\u6b21\uff0c\u7269\u4ef6\u5716\u53ef\u986f\u793a\u5b50\u985e\u5225\u7684\u5be6\u4f8b\u3002\u7531\u5b50\u985e\u5225\u5be6\u4f8b\u5316\u7684\u7269\u4ef6\u61c9\u4ee5\u5b50\u985e\u5225\u540d\u7a31\u6a19\u793a\u3002<\/p>\n
              \u7bc4\u4f8b\uff1a<\/p>\n
              premiumUser1 : PremiumUser<\/code><\/pre>\n
              \u5373\u4f7fPremiumUser<\/code>\u7e7c\u627f\u81eapremiumUser1 : PremiumUser<\/code>\uff0c\u5716\u8868\u4ecd\u61c9\u660e\u78ba\u6307\u51fa\u5177\u9ad4\u985e\u578b\u3002\u9019\u80fd\u6e05\u695a\u8aaa\u660e\u8a72\u5be6\u4f8b\u53ef\u4f7f\u7528\u7684\u7279\u5b9a\u5c6c\u6027\u548c\u884c\u70ba\u3002<\/p>\n
              \ud83d\udccc \u6700\u4f73\u5be6\u52d9\u7e3d\u7d50<\/h2>\n
              \u70ba\u78ba\u4fdd\u60a8\u7684\u7269\u4ef6\u5716\u6709\u6548\u4e14\u6e96\u78ba\uff0c\u8acb\u9075\u5faa\u4ee5\u4e0b\u539f\u5247\uff1a<\/p>\n
                \n
              • \u4fdd\u6301\u805a\u7126\uff1a<\/strong>\u4e0d\u8981\u8a66\u5716\u5728\u4e00\u500b\u5716\u4e2d\u5efa\u6a21\u6574\u500b\u7cfb\u7d71\u3002<\/li>\n
              • \u4f7f\u7528\u6e05\u6670\u7684\u540d\u7a31\uff1a<\/strong>\u660e\u78ba\u5340\u5206\u985e\u5225\u540d\u7a31\u8207\u5be6\u4f8b\u540d\u7a31\u3002<\/li>\n
              • \u986f\u793a\u72c0\u614b\uff1a<\/strong>\u5728\u76f8\u95dc\u60c5\u6cc1\u4e0b\uff0c\u8acb\u59cb\u7d42\u5305\u542b\u5c6c\u6027\u503c\u3002<\/li>\n
              • \u5c0a\u91cd\u591a\u91cd\u6027\uff1a<\/strong>\u78ba\u4fdd\u9023\u7d50\u7b26\u5408\u985e\u6a21\u578b\u4e2d\u5b9a\u7fa9\u7684\u57fa\u6578\u3002<\/li>\n
              • \u4f7f\u7528\u4e00\u81f4\u7684\u7b26\u865f\uff1a<\/strong>\u9075\u5faa\u6a19\u6e96\u7684UML\u547d\u540d\u8207\u9023\u7d50\u6163\u4f8b\u3002<\/li>\n
              • \u9a57\u8b49\u908f\u8f2f\uff1a<\/strong>\u6aa2\u67e5\u9023\u7d50\u7269\u4ef6\u7684\u72c0\u614b\u662f\u5426\u5f7c\u6b64\u5408\u7406\u3002<\/li>\n<\/ul>\n
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