{"id":1494,"date":"2026-03-31T20:28:12","date_gmt":"2026-03-31T20:28:12","guid":{"rendered":"https:\/\/www.viz-read.com\/cn\/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\/cn\/understanding-object-instantiation-object-diagrams\/","title":{"rendered":"\u7406\u89e3\u5bf9\u8c61\u5b9e\u4f8b\u5316\uff1a\u5bf9\u8c61\u56fe\u4e2d\u7684\u5173\u952e\u7ec4\u6210\u90e8\u5206"},"content":{"rendered":"

\u5728\u8f6f\u4ef6\u67b6\u6784\u548c\u7cfb\u7edf\u5efa\u6a21\u7684\u9886\u57df\u4e2d\uff0c\u5f88\u5c11\u6709\u6982\u5ff5\u80fd\u50cf\u5bf9\u8c61\u5b9e\u4f8b\u5316\u90a3\u6837\u6709\u6548\u5730\u5f25\u5408\u62bd\u8c61\u8bbe\u8ba1\u4e0e\u5177\u4f53\u73b0\u5b9e\u4e4b\u95f4\u7684\u5dee\u8ddd\u3002\u867d\u7136\u7c7b\u56fe\u5b9a\u4e49\u4e86\u7cfb\u7edf\u7684\u84dd\u56fe\uff0c\u4f46\u5bf9\u8c61\u56fe\u5219\u63d0\u4f9b\u4e86\u7cfb\u7edf\u5728\u67d0\u4e00\u7279\u5b9a\u65f6\u523b\u8fd0\u884c\u72b6\u6001\u7684\u5feb\u7167\u3002\u8fd9\u4e00\u5feb\u7167\u7684\u6838\u5fc3\u6b63\u662f\u5bf9\u8c61\u5b9e\u4f8b\u5316\u7684\u8fc7\u7a0b\u3002\u672c\u6307\u5357\u5c06\u63a2\u8ba8\u5728\u7edf\u4e00\u5efa\u6a21\u8bed\u8a00\uff08UML\uff09\u5bf9\u8c61\u56fe\u80cc\u666f\u4e0b\uff0c\u5b9e\u4f8b\u5316\u7684\u673a\u5236\u3001\u8bed\u6cd5\u53ca\u5176\u91cd\u8981\u6027\u3002<\/p>\n

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

\ud83d\udd0d \u4ec0\u4e48\u662f\u5bf9\u8c61\u5b9e\u4f8b\u5316\uff1f<\/h2>\n

\u5bf9\u8c61\u5b9e\u4f8b\u5316\u662f\u521b\u5efa\u7c7b\u7684\u7279\u5b9a\u5b9e\u4f8b\u7684\u8fc7\u7a0b\u3002\u5728\u7f16\u7a0b\u672f\u8bed\u4e2d\uff0c\u5982\u679c\u7c7b\u662f\u4e00\u4e2a\u997c\u5e72\u6a21\u5177\uff0c\u90a3\u4e48\u5b9e\u4f8b\u5316\u540e\u7684\u5bf9\u8c61\u5c31\u662f\u5b9e\u9645\u5236\u4f5c\u51fa\u7684\u997c\u5e72\u3002\u5728\u5efa\u6a21\u7684\u8bed\u5883\u4e2d\uff0c\u8fd9\u4e00\u533a\u522b\u81f3\u5173\u91cd\u8981\u3002\u7c7b\u56fe\u63cf\u8ff0\u7684\u662f\u4ec0\u4e48<\/em>\u5b58\u5728\uff08\u7ed3\u6784\uff09\uff0c\u800c\u5bf9\u8c61\u56fe\u63cf\u8ff0\u7684\u662f\u8c01<\/em>\u5b58\u5728\uff08\u72b6\u6001\uff09\u3002<\/p>\n

\u5f53\u6211\u4eec\u5b9e\u4f8b\u5316\u4e00\u4e2a\u5bf9\u8c61\u65f6\uff0c\u6211\u4eec\u5b9e\u9645\u4e0a\u662f\u5728\u5b9a\u4e49\uff1a<\/p>\n

    \n
  • \u4e00\u4e2a\u552f\u4e00\u6807\u8bc6\u7b26\uff1a<\/strong>\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u5fc5\u987b\u80fd\u4e0e\u5176\u4ed6\u5bf9\u8c61\u533a\u5206\u5f00\u6765\uff0c\u5373\u4f7f\u5b83\u4eec\u5c5e\u4e8e\u540c\u4e00\u4e2a\u7c7b\u3002<\/li>\n
  • \u4e00\u4e2a\u7279\u5b9a\u72b6\u6001\uff1a<\/strong>\u5c5e\u6027\u6301\u6709\u5177\u4f53\u7684\u503c\uff0c\u800c\u975e\u62bd\u8c61\u7684\u6570\u636e\u7c7b\u578b\u3002<\/li>\n
  • \u4e0e\u5176\u4ed6\u5bf9\u8c61\u7684\u5173\u7cfb\uff1a<\/strong>\u5b9e\u4f8b\u5316\u540e\u7684\u5bf9\u8c61\u901a\u8fc7\u94fe\u63a5\u4e0e\u5176\u4ed6\u5b9e\u4f8b\u76f8\u8fde\u3002<\/li>\n<\/ul>\n

    \u5982\u679c\u6ca1\u6709\u5b9e\u4f8b\u5316\uff0c\u6a21\u578b\u5c31\u53ea\u662f\u7406\u8bba\u6027\u7684\u3002\u5b9e\u4f8b\u5316\u4f7f\u6a21\u578b\u624e\u6839\u4e8e\u5177\u4f53\u573a\u666f\uff0c\u4ece\u800c\u80fd\u591f\u5728\u7f16\u5199\u4ee3\u7801\u4e4b\u524d\u5206\u6790\u884c\u4e3a\u3001\u9a8c\u8bc1\u7ea6\u675f\u5e76\u786e\u8ba4\u7ed3\u6784\u5b8c\u6574\u6027\u3002<\/p>\n

    \ud83c\udfd7\ufe0f \u8bed\u6cd5\u4e0e\u547d\u540d\u89c4\u8303<\/h2>\n

    \u53ef\u89c6\u5316\u4e00\u4e2a\u5b9e\u4f8b\u5316\u5bf9\u8c61\u9700\u8981\u9075\u5faa\u7279\u5b9a\u7684\u7b26\u53f7\u89c4\u5219\u3002\u4e0e\u901a\u5e38\u7528\u7c97\u4f53\u7c7b\u540d\u7684\u77e9\u5f62\u8868\u793a\u7684\u7c7b\u4e0d\u540c\uff0c\u5bf9\u8c61\u5177\u6709\u72ec\u7279\u7684\u5916\u89c2\u4ee5\u8868\u660e\u5176\u5b9e\u4f8b\u72b6\u6001\u3002\u5bf9\u8c61\u5b9e\u4f8b\u7684\u6807\u51c6\u8868\u793a\u6cd5\u5305\u62ec\u5bf9\u8c61\u540d\u79f0\u540e\u8ddf\u5192\u53f7\u548c\u7c7b\u540d\u3002<\/p>\n

    \ud83c\udff7\ufe0f \u5bf9\u8c61\u547d\u540d\u89c4\u5219<\/h3>\n

    \u5bf9\u8c61\u5b9e\u4f8b\u7684\u540d\u79f0\u901a\u5e38\u9075\u5faa\u67d0\u79cd\u7ea6\u5b9a\uff0c\u4ee5\u786e\u4fdd\u56fe\u4e2d\u6e05\u6670\u660e\u4e86\u3002\u5e38\u89c1\u7684\u505a\u6cd5\u5305\u62ec\uff1a<\/p>\n

      \n
    • \u9996\u5b57\u6bcd\u5c0f\u5199\uff1a<\/strong>\u5bf9\u8c61\u540d\u79f0\u901a\u5e38\u4ee5\u5c0f\u5199\u5b57\u6bcd\u5f00\u5934\uff0c\u4ee5\u533a\u522b\u4e8e\u901a\u5e38\u4ee5\u5927\u5199\u5b57\u6bcd\u5f00\u5934\u7684\u7c7b\u540d\u3002\u4f8b\u5982\uff0ccustomer1<\/code>\u4e0eCustomer<\/code>.<\/li>\n
    • \u552f\u4e00\u6027\uff1a<\/strong>\u5728\u5355\u4e2a\u56fe\u7684\u4e0a\u4e0b\u6587\u4e2d\uff0c\u6bcf\u4e2a\u5bf9\u8c61\u5b9e\u4f8b\u90fd\u5fc5\u987b\u5177\u6709\u552f\u4e00\u7684\u540d\u79f0\u3002\u4f60\u4e0d\u80fd\u6709\u4e24\u4e2a\u540d\u4e3aorder1<\/code> \u5728\u540c\u4e00\u5f20\u56fe\u4e2d\uff0c\u9664\u975e\u5b83\u4eec\u4ee3\u8868\u540c\u4e00\u4e2a\u5177\u4f53\u7684\u5b9e\u4f53\u3002<\/li>\n
    • \u663e\u5f0f\u7c7b\u578b\u58f0\u660e\uff1a<\/strong> \u7c7b\u578b\u59cb\u7ec8\u5728\u5192\u53f7\u540e\u660e\u786e\u8bf4\u660e\u3002\u8fd9\u5f3a\u5316\u4e86\u5b9e\u4f8b\u4e0e\u5176\u7c7b\u5b9a\u4e49\u4e4b\u95f4\u7684\u5173\u7cfb\u3002<\/li>\n<\/ul>\n

      \u8003\u8651\u4ee5\u4e0b\u7b26\u53f7\u793a\u4f8b\uff1a<\/p>\n

      order1 : Order\n<\/code><\/pre>\n
      \u8fd9\u79cd\u7b26\u53f7\u660e\u786e\u5730\u544a\u8bc9\u89c2\u5bdf\u8005order1<\/code> \u662f Order<\/code> \u7c7b\u7684\u4e00\u4e2a\u5177\u4f53\u5b9e\u4f8b\u3002\u5b83\u5c06\u6b64\u5b9e\u4f53\u4e0e\u201c\u8ba2\u5355\u201d\u7684\u4e00\u822c\u6982\u5ff5\u533a\u5206\u5f00\u6765\u3002<\/p>\n
      \ud83d\udcdd \u5305\u542b\u5c5e\u6027\u503c<\/h3>\n
      \u5bf9\u8c61\u56fe\u6700\u5f3a\u5927\u7684\u529f\u80fd\u4e4b\u4e00\u662f\u80fd\u591f\u663e\u793a\u5c5e\u6027\u503c\u3002\u867d\u7136\u7c7b\u56fe\u5217\u51fa\u5c5e\u6027\u7c7b\u578b\uff08\u4f8b\u5982\uff0cprice : float<\/code>\uff09\uff0c\u5bf9\u8c61\u56fe\u53ef\u4ee5\u5217\u51fa\u5c5e\u6027\u503c\uff08\u4f8b\u5982\uff0cprice = 99.99<\/code>\uff09\u3002\u8fd9\u79cd\u7ec6\u8282\u7a0b\u5ea6\u5bf9\u4e8e\u8c03\u8bd5\u548c\u573a\u666f\u5206\u6790\u81f3\u5173\u91cd\u8981\u3002<\/p>\n
      \u5728\u5bf9\u8c61\u56fe\u4e2d\u663e\u793a\u5c5e\u6027\u503c\u65f6\uff0c\u8bf7\u9075\u5faa\u4ee5\u4e0b\u6307\u5357\uff1a<\/p>\n
        \n
      • \u5b57\u9762\u503c\uff1a<\/strong> \u4f7f\u7528\u5206\u914d\u7ed9\u5c5e\u6027\u7684\u5b9e\u9645\u503c\u3002\u5982\u679c\u5c5e\u6027\u8868\u793a\u5b57\u7b26\u4e32\uff0c\u5219\u7528\u5f15\u53f7\u62ec\u8d77\u6765\u3002<\/li>\n
      • \u7a7a\u503c\uff1a<\/strong> \u5f53\u5c5e\u6027\u6ca1\u6709\u503c\u65f6\u8fdb\u884c\u6807\u8bc6\uff0c\u901a\u5e38\u8868\u793a\u4e3anull<\/code> \u6216 None<\/code>.<\/li>\n
      • \u96c6\u5408\u503c\uff1a<\/strong> \u5982\u679c\u5c5e\u6027\u5305\u542b\u5217\u8868\u6216\u6570\u7ec4\uff0c\u5219\u663e\u793a\u5176\u5185\u5bb9\u6216\u4e00\u4e2a\u6709\u4ee3\u8868\u6027\u7684\u5b50\u96c6\u3002<\/li>\n<\/ul>\n
        \u5e26\u6709\u72b6\u6001\u7684\u5bf9\u8c61\u793a\u4f8b\uff1a<\/p>\n
        invoice1 : Invoice {\n  number = \"INV-2023-001\"\n  total = 1500.00\n  status = \"Paid\"\n}\n<\/code><\/pre>\n
        \u8fd9\u79cd\u7b26\u53f7\u4f7f\u5229\u76ca\u76f8\u5173\u8005\u80fd\u591f\u6e05\u695a\u5730\u770b\u5230\u53d1\u7968\u652f\u4ed8\u65f6\u7cfb\u7edf\u7684\u5b9e\u9645\u72b6\u6001\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u77e5\u9053\u5b58\u5728\u53d1\u7968\u53ef\u4ee5<\/em>\u53ef\u4ee5\u652f\u4ed8\u3002<\/p>\n
        \ud83d\udd17 \u5173\u7cfb\u4e0e\u94fe\u63a5<\/h2>\n
        \u5bf9\u8c61\u5e76\u975e\u5b64\u7acb\u5b58\u5728\u3002\u5b83\u4eec\u901a\u8fc7\u5173\u8054\u3001\u805a\u5408\u548c\u7ec4\u5408\u4e0e\u5176\u4ed6\u5bf9\u8c61\u8fdb\u884c\u4ea4\u4e92\u3002\u5728\u5bf9\u8c61\u56fe\u4e2d\uff0c\u8fd9\u4e9b\u5173\u7cfb\u88ab\u53ef\u89c6\u5316\u4e3a\u94fe\u63a5<\/strong>.<\/p>\n
        \ud83d\udd17 \u8868\u793a\u94fe\u63a5<\/h3>\n
        \u94fe\u63a5\u662f\u5173\u8054\u7684\u4e00\u4e2a\u5177\u4f53\u5b9e\u4f8b\u3002\u5982\u679c\u5173\u8054\u5b9a\u4e49\u4e86\u4e24\u4e2a\u7c7b\u4e4b\u95f4\u7684\u7ed3\u6784\u8def\u5f84\uff08\u4f8b\u5982\uff0c\u5ba2\u6237<\/code>\u548c\u8ba2\u5355<\/code>\uff09\uff0c\u90a3\u4e48\u94fe\u63a5\u5219\u5b9a\u4e49\u4e86\u4e24\u4e2a\u5b9e\u4f8b\u4e4b\u95f4\u7684\u5177\u4f53\u8def\u5f84\uff08\u4f8b\u5982\uff0c\u5ba2\u62371<\/code>\u548c\u8ba2\u53551<\/code>).<\/p>\n
        \u5728\u7ed8\u5236\u5bf9\u8c61\u56fe\u4e2d\u7684\u94fe\u63a5\u65f6\uff1a<\/p>\n
          \n
        • \u8fde\u63a5\u5b9e\u4f8b\uff1a<\/strong>\u5728\u8868\u793a\u5bf9\u8c61\u7684\u65b9\u6846\u4e4b\u95f4\u753b\u4e00\u6761\u7ebf\u3002<\/li>\n
        • \u6807\u8bb0\u94fe\u63a5\uff1a<\/strong>\u4e0e\u5173\u8054\u7c7b\u4f3c\uff0c\u94fe\u63a5\u53ef\u4ee5\u6dfb\u52a0\u6807\u7b7e\u4ee5\u63cf\u8ff0\u8fde\u63a5\u7684\u6027\u8d28\u3002<\/li>\n
        • \u6807\u660e\u89d2\u8272\u540d\u79f0\uff1a<\/strong> \u5982\u679c\u5173\u8054\u5177\u6709\u89d2\u8272\uff08\u4f8b\u5982\uff0c\u4e70\u5bb6<\/code>\u548c\u5356\u5bb6<\/code>\uff09\uff0c\u90a3\u4e48\u94fe\u63a5\u5e94\u53cd\u6620\u8fd9\u4e9b\u89d2\u8272\u3002<\/li>\n<\/ul>\n
          \ud83d\udcca \u5bf9\u8c61\u56fe\u4e2d\u7684\u591a\u91cd\u6027<\/h3>\n
          \u7c7b\u56fe\u4e2d\u5b9a\u4e49\u7684\u591a\u91cd\u6027\u7ea6\u675f\uff08\u4f8b\u5982\uff0c\u4e00\u5bf9\u591a\uff09\u5728\u5bf9\u8c61\u56fe\u4e2d\u5fc5\u987b\u5f97\u5230\u9075\u5b88\u3002\u7136\u800c\uff0c\u5bf9\u8c61\u56fe\u5c55\u793a\u7684\u662f\u8be5\u7ea6\u675f\u7684\u5177\u4f53\u5b9e\u73b0\u3002<\/p>\n
          \u4f8b\u5982\uff0c\u5982\u679c\u4e00\u4e2a\u5ba2\u6237<\/code>\u53ef\u4ee5\u4e0b\u5f88\u591a\u8ba2\u5355<\/code>\uff0c\u5bf9\u8c61\u56fe\u53ef\u80fd\u663e\u793acustomer1<\/code>\u8fde\u63a5\u5230order1<\/code>, order2<\/code>\uff0c\u4ee5\u53caorder3<\/code>\u3002\u8fd9\u53ef\u89c6\u5316\u4e86\u8be5\u65f6\u523b\u7684\u5177\u4f53\u57fa\u6570\u3002<\/p>\n
          \u94fe\u63a5\u7684\u5173\u952e\u8003\u8651\u56e0\u7d20\u5305\u62ec\uff1a<\/p>\n
            \n
          • \u65b9\u5411\u6027\uff1a<\/strong>\u94fe\u63a5\u901a\u5e38\u662f\u53cc\u5411\u7684\uff0c\u4f46\u5bfc\u822a\u65b9\u5411\u5bf9\u4e8e\u6240\u5efa\u6a21\u7684\u903b\u8f91\u5f88\u91cd\u8981\u3002<\/li>\n
          • \u57fa\u6570\uff1a<\/strong>\u786e\u4fdd\u94fe\u63a5\u7684\u6570\u91cf\u4e0e\u7c7b\u6a21\u578b\u4e2d\u5b9a\u4e49\u7684\u591a\u91cd\u6027\u4e00\u81f4\u3002<\/li>\n
          • \u805a\u5408\u4e0e\u7ec4\u5408\uff1a<\/strong>\u5728\u7ed8\u5236\u94fe\u63a5\u65f6\uff0c\u8981\u533a\u5206\u5171\u4eab\u6240\u6709\u6743\uff08\u805a\u5408\uff09\u548c\u72ec\u5360\u6240\u6709\u6743\uff08\u7ec4\u5408\uff09\u3002<\/li>\n<\/ul>\n
            \u2696\ufe0f \u5bf9\u8c61\u56fe\u4e0e\u7c7b\u56fe<\/h2>\n
            \u4eba\u4eec\u5e38\u5e38\u6df7\u6dc6\u5bf9\u8c61\u56fe\u548c\u7c7b\u56fe\u3002\u867d\u7136\u4e24\u8005\u90fd\u5c5e\u4e8eUML\u7684\u7ed3\u6784\u7c7b\u522b\uff0c\u4f46\u5b83\u4eec\u7684\u4f5c\u7528\u4e0d\u540c\u3002\u7c7b\u56fe\u662f\u4e00\u4e2a\u6a21\u677f\uff1b\u5bf9\u8c61\u56fe\u662f\u4e00\u4e2a\u5feb\u7167\u3002<\/p>\n
            \u4e0b\u8868\u6982\u8ff0\u4e86\u4e3b\u8981\u533a\u522b\uff1a<\/p>\n\n\n\n\n\n\n\n\n\n\n
            \u7279\u6027<\/th>\n\u7c7b\u56fe<\/th>\n\u5bf9\u8c61\u56fe<\/th>\n<\/tr>\n<\/thead>\n
            \u5173\u6ce8\u70b9<\/strong><\/td>\n\u62bd\u8c61\u7ed3\u6784\u548c\u7c7b\u578b<\/td>\n\u5177\u4f53\u5b9e\u4f8b\u548c\u6570\u636e<\/td>\n<\/tr>\n
            \u65f6\u95f4<\/strong><\/td>\n\u9759\u6001\uff08\u84dd\u56fe\uff09<\/td>\n\u52a8\u6001\uff08\u8fd0\u884c\u65f6\u5feb\u7167\uff09<\/td>\n<\/tr>\n
            \u5c5e\u6027<\/strong><\/td>\n\u5b9a\u4e49\u6570\u636e\u7c7b\u578b<\/td>\n\u5b9a\u4e49\u5177\u4f53\u503c<\/td>\n<\/tr>\n
            \u540d\u79f0<\/strong><\/td>\n\u7c7b\u540d\uff08\u4f8b\u5982\uff0c\u4ea7\u54c1<\/code>)<\/td>\n\u5b9e\u4f8b\u540d + \u7c7b\u578b\uff08\u4f8b\u5982\uff0cprod1 : \u4ea7\u54c1<\/code>)<\/td>\n<\/tr>\n
            \u5173\u7cfb<\/strong><\/td>\n\u5173\u8054\uff08\u4e00\u822c\uff09<\/td>\n\u94fe\u63a5\uff08\u5177\u4f53\uff09<\/td>\n<\/tr>\n
            \u7528\u4f8b<\/strong><\/td>\n\u7cfb\u7edf\u8bbe\u8ba1\u3001\u6587\u6863\u7f16\u5199<\/td>\n\u8c03\u8bd5\u3001\u573a\u666f\u6d4b\u8bd5<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
            \u7406\u89e3\u8fd9\u4e00\u533a\u522b\u5bf9\u4e8e\u9009\u62e9\u5408\u9002\u7684\u5de5\u5177\u81f3\u5173\u91cd\u8981\u3002\u5982\u679c\u4f60\u5728\u5b9a\u4e49\u7cfb\u7edf\u7684\u89c4\u5219\uff0c\u8bf7\u4f7f\u7528\u7c7b\u56fe\u3002\u5982\u679c\u4f60\u5728\u5206\u6790\u67d0\u4e2a\u7279\u5b9a\u7684\u9519\u8bef\u6216\u5173\u952e\u7684\u4e1a\u52a1\u573a\u666f\uff0c\u8bf7\u4f7f\u7528\u5bf9\u8c61\u56fe\u3002<\/p>\n
            \ud83d\udee0\ufe0f \u5b9e\u4f8b\u5316\u7684\u5b9e\u9645\u5e94\u7528<\/h2>\n
            \u4e3a\u4ec0\u4e48\u8981\u82b1\u65f6\u95f4\u5efa\u6a21\u5b9e\u4f8b\u5316\u7684\u5bf9\u8c61\uff1f\u5176\u4ef7\u503c\u5728\u4e8e\u6e05\u6670\u548c\u7cbe\u786e\u3002\u5bf9\u8c61\u5b9e\u4f8b\u5316\u6709\u52a9\u4e8e\u5229\u76ca\u76f8\u5173\u8005\u4ee5\u62bd\u8c61\u7c7b\u56fe\u65e0\u6cd5\u5b9e\u73b0\u7684\u65b9\u5f0f\u53ef\u89c6\u5316\u7cfb\u7edf\u7684\u72b6\u6001\u3002<\/p>\n
            \ud83d\udd0d \u8c03\u8bd5\u590d\u6742\u4ea4\u4e92<\/h3>\n
            \u5f53\u7cfb\u7edf\u884c\u4e3a\u51fa\u4e4e\u610f\u6599\u65f6\uff0c\u7c7b\u56fe\u5f80\u5f80\u65e0\u6cd5\u89e3\u91ca\u539f\u56e0\u3002\u5bf9\u8c61\u56fe\u53ef\u4ee5\u9694\u79bb\u5bfc\u81f4\u95ee\u9898\u7684\u5177\u4f53\u5b9e\u4f8b\u3002\u901a\u8fc7\u7ed8\u5236\u51fa\u6d89\u53ca\u7684\u7cbe\u786e\u5bf9\u8c61\u53ca\u5176\u5c5e\u6027\u503c\uff0c\u5f00\u53d1\u4eba\u5458\u53ef\u4ee5\u8ffd\u8e2a\u6570\u636e\u6d41\uff0c\u5e76\u627e\u51fa\u903b\u8f91\u4e0e\u9884\u671f\u4e0d\u7b26\u7684\u4f4d\u7f6e\u3002<\/p>\n
            \ud83d\udcdd \u573a\u666f\u6587\u6863<\/h3>\n
            \u5bf9\u4e8e\u590d\u6742\u7684\u4e1a\u52a1\u89c4\u5219\uff0c\u8bb0\u5f55\u4e00\u4e2a\u5177\u4f53\u573a\u666f\u6bd4\u63cf\u8ff0\u4e00\u822c\u89c4\u5219\u66f4\u6709\u6548\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6298\u6263\u653f\u7b56\u4ec5\u5728\u5ba2\u6237\u4e0b\u5355\u8d85\u8fc7\u4e94\u6b21\u65f6\u9002\u7528\uff0c\u5bf9\u8c61\u56fe\u53ef\u4ee5\u5c55\u793a\u4e00\u4e2a\u5e26\u6709\u4e94\u4e2a\u8ba2\u5355\u7684\u7279\u5b9a\u5ba2\u6237\uff0c\u76f4\u89c2\u5730\u5448\u73b0\u89e6\u53d1\u6761\u4ef6\u3002<\/p>\n
            \ud83e\uddea \u6d4b\u8bd5\u4e0e\u9a8c\u8bc1<\/h3>\n
            \u5728\u7f16\u5199\u4ee3\u7801\u4e4b\u524d\uff0c\u67b6\u6784\u5e08\u53ef\u4ee5\u4f7f\u7528\u5bf9\u8c61\u56fe\u6765\u9a8c\u8bc1\u7ea6\u675f\u6761\u4ef6\u3002\u5982\u679c\u67d0\u4e2a\u94fe\u63a5\u6697\u793a\u7684\u5173\u7cfb\u8fdd\u53cd\u4e86\u591a\u91cd\u6027\u7ea6\u675f\uff0c\u8fd9\u79cd\u95ee\u9898\u5728\u5bf9\u8c61\u56fe\u4e2d\u4f1a\u7acb\u5373\u663e\u73b0\u3002\u8fd9\u53ef\u4ee5\u9632\u6b62\u903b\u8f91\u9519\u8bef\u4f20\u64ad\u5230\u4ee3\u7801\u5e93\u4e2d\u3002<\/p>\n
            \ud83d\udde3\ufe0f \u4e0e\u975e\u6280\u672f\u5229\u76ca\u76f8\u5173\u8005\u7684\u6c9f\u901a<\/h3>\n
            \u4e1a\u52a1\u5206\u6790\u5e08\u548c\u4ea7\u54c1\u8d1f\u8d23\u4eba\u901a\u5e38\u96be\u4ee5\u7406\u89e3\u62bd\u8c61\u7684\u7c7b\u7ed3\u6784\u3002\u5177\u4f53\u7684\u5bf9\u8c61\u540d\u79f0\uff08\u4f8b\u5982\uff0cinvoice1<\/code>\uff09\u548c\u503c\uff08\u4f8b\u5982\uff0c\u72b6\u6001 = \u5df2\u4ed8\u6b3e<\/code>) \u66f4\u5bb9\u6613\u7406\u89e3\u3002\u5bf9\u8c61\u56fe\u5c06\u6280\u672f\u903b\u8f91\u8f6c\u5316\u4e3a\u4e1a\u52a1\u73b0\u5b9e\u3002<\/p>\n
            \ud83d\udea7 \u5bf9\u8c61\u5efa\u6a21\u4e2d\u7684\u5e38\u89c1\u9677\u9631<\/h2>\n
            \u867d\u7136\u5bf9\u8c61\u56fe\u529f\u80fd\u5f3a\u5927\uff0c\u4f46\u5bb9\u6613\u51fa\u73b0\u7279\u5b9a\u7684\u5efa\u6a21\u9519\u8bef\u3002\u907f\u514d\u8fd9\u4e9b\u9677\u9631\u53ef\u786e\u4fdd\u56fe\u8868\u4fdd\u6301\u4e3a\u6709\u7528\u5de5\u5177\uff0c\u800c\u975e\u6df7\u6dc6\u7684\u6765\u6e90\u3002<\/p>\n
            \u274c \u56fe\u8868\u4fe1\u606f\u8fc7\u8f7d<\/h3>\n
            \u6700\u5e38\u89c1\u7684\u9519\u8bef\u4e4b\u4e00\u662f\u8bd5\u56fe\u5728\u4e00\u4e2a\u5bf9\u8c61\u56fe\u4e2d\u5c55\u793a\u6574\u4e2a\u7cfb\u7edf\u72b6\u6001\u3002\u5bf9\u8c61\u56fe\u5e94\u5177\u6709\u9488\u5bf9\u6027\u3002\u5c55\u793a\u6570\u767e\u4e2a\u5b9e\u4f8b\u4f1a\u9020\u6210\u89c6\u89c9\u6df7\u4e71\uff0c\u5e76\u63a9\u76d6\u4f60\u8bd5\u56fe\u7a81\u51fa\u7684\u5173\u7cfb\u3002<\/p>\n
            \u66f4\u597d\u7684\u65b9\u6cd5\uff1a<\/strong> \u5c06\u590d\u6742\u7cfb\u7edf\u5206\u89e3\u4e3a\u591a\u4e2a\u5bf9\u8c61\u56fe\uff0c\u6bcf\u4e2a\u56fe\u4e13\u6ce8\u4e8e\u7279\u5b9a\u7684\u4ea4\u4e92\u6216\u6a21\u5757\u3002\u4f7f\u7528\u7c7b\u56fe\u5c55\u793a\u6574\u4f53\u7ed3\u6784\uff0c\u4f7f\u7528\u5bf9\u8c61\u56fe\u5904\u7406\u7279\u5b9a\u7528\u4f8b\u3002<\/p>\n
            \u274c \u5ffd\u89c6\u72b6\u6001\u4e00\u81f4\u6027<\/h3>\n
            \u5f88\u5bb9\u6613\u5728\u672a\u786e\u4fdd\u72b6\u6001\u4e00\u81f4\u7684\u60c5\u51b5\u4e0b\u7ed8\u5236\u5bf9\u8c61\u4e4b\u95f4\u7684\u94fe\u63a5\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4e00\u4e2a\u8ba2\u5355<\/code>\u5bf9\u8c61\u4e0e\u4e00\u4e2a\u5ba2\u6237<\/code>\u76f8\u8fde\uff0c\u90a3\u4e48\u8ba2\u5355<\/code>\u7684\u80fd\u529b\u903b\u8f91\u4e0a\u4fdd\u6301\u4e00\u81f4\uff08\u4f8b\u5982\u72b6\u6001 = \u5df2\u53d1\u8d27<\/code>\uff09\u5e94\u4e0e\u5ba2\u6237<\/code>\u7684\u80fd\u529b\u903b\u8f91\u4e0a\u4fdd\u6301\u4e00\u81f4\uff08\u4f8b\u5982\u8d26\u6237\u72b6\u6001 = \u6d3b\u8dc3<\/code>).<\/p>\n
            \u66f4\u597d\u7684\u65b9\u6cd5\uff1a<\/strong> \u68c0\u67e5\u5c5e\u6027\u503c\u662f\u5426\u903b\u8f91\u4e00\u81f4\u3002\u786e\u4fdd\u4e00\u4e2a\u5bf9\u8c61\u7684\u72b6\u6001\u4e0d\u4f1a\u4e0e\u540c\u4e00\u56fe\u4e2d\u53e6\u4e00\u4e2a\u5bf9\u8c61\u7684\u72b6\u6001\u77db\u76fe\u3002<\/p>\n
            \u274c \u6df7\u6dc6\u94fe\u63a5\u4e0e\u5173\u8054<\/h3>\n
            \u4e00\u4e9b\u5efa\u6a21\u8005\u5728\u5bf9\u8c61\u5b9e\u4f8b\u4e4b\u95f4\u7ed8\u5236\u5173\u8054\u800c\u975e\u94fe\u63a5\u3002\u867d\u7136\u89c6\u89c9\u4e0a\u76f8\u4f3c\uff0c\u4f46\u8bed\u4e49\u542b\u4e49\u4e0d\u540c\u3002\u5173\u8054\u5c5e\u4e8e\u7c7b\uff1b\u94fe\u63a5\u5c5e\u4e8e\u5b9e\u4f8b\u3002<\/p>\n
            \u66f4\u597d\u7684\u65b9\u6cd5\uff1a<\/strong> \u786e\u4fdd\u4f60\u7ed8\u5236\u7684\u662f\u5b9e\u4f8b\u4e4b\u95f4\u7684\u8fde\u7ebf\u3002\u5982\u679c\u4f60\u5728\u4e24\u4e2a\u7c7b\u6846\u4e4b\u95f4\u753b\u7ebf\uff0c\u4f60\u7ed8\u5236\u7684\u662f\u5173\u8054\u3002\u5982\u679c\u4f60\u5728\u4e24\u4e2a\u5bf9\u8c61\u6846\u4e4b\u95f4\u753b\u7ebf\uff08\u540d\u79f0\u5982obj1<\/code>\uff09\uff0c\u4f60\u7ed8\u5236\u7684\u662f\u94fe\u63a5\u3002<\/p>\n
            \u274c \u7f3a\u5931\u5c5e\u6027\u503c<\/h3>\n
            \u7701\u7565\u5c5e\u6027\u503c\u4f1a\u4f7f\u56fe\u8868\u9000\u5316\u4e3a\u4f2a\u88c5\u6210\u5bf9\u8c61\u56fe\u7684\u7c7b\u56fe\u3002\u5bf9\u8c61\u56fe\u7684\u5a01\u529b\u5728\u4e8e\u5176\u5c5e\u6027\u503c\u3002\u82e5\u7f3a\u5c11\u8fd9\u4e9b\u503c\uff0c\u4f60\u5c31\u5931\u53bb\u4e86\u9a8c\u8bc1\u7279\u5b9a\u7ea6\u675f\u7684\u80fd\u529b\u3002<\/p>\n
            \u66f4\u597d\u7684\u505a\u6cd5\uff1a<\/strong>\u5373\u4f7f\u503c\u672a\u77e5\uff0c\u4e5f\u5e94\u4f7f\u7528\u5360\u4f4d\u7b26\u6216\u901a\u7528\u503c\u6765\u8868\u660e\u72b6\u6001\u7684\u5b58\u5728\u3002\u5982\u679c\u5bf9\u8c61\u9700\u8981\u88ab\u5b9e\u4f8b\u5316\uff0c\u4e0d\u8981\u8ba9\u5c5e\u6027\u90e8\u5206\u7559\u7a7a\u3002<\/p>\n
            \ud83e\udde9 \u9ad8\u7ea7\u8003\u8651\u4e8b\u9879<\/h2>\n
            \u968f\u7740\u5efa\u6a21\u9700\u6c42\u53d8\u5f97\u66f4\u4e3a\u590d\u6742\uff0c\u5bf9\u8c61\u5b9e\u4f8b\u5316\u9700\u8981\u66f4\u6df1\u5165\u5730\u8003\u8651\u751f\u547d\u5468\u671f\u548c\u591a\u6001\u6027\u3002<\/p>\n
            \ud83d\udd04 \u751f\u547d\u5468\u671f\u9636\u6bb5<\/h3>\n
            \u5bf9\u8c61\u5177\u6709\u751f\u547d\u5468\u671f\u3002\u5b83\u4eec\u88ab\u521b\u5efa\u3001\u4fee\u6539\uff0c\u6700\u7ec8\u88ab\u9500\u6bc1\u3002\u5bf9\u8c61\u56fe\u8868\u793a\u7684\u662f\u67d0\u4e00\u65f6\u95f4\u70b9\u7684\u72b6\u6001\u3002\u9664\u975e\u901a\u8fc7\u591a\u4e2a\u56fe\u8868\u663e\u5f0f\u5efa\u6a21\uff0c\u5426\u5219\u4e0d\u4f1a\u5c55\u793a\u5bf9\u8c61\u7684\u5386\u53f2\u6216\u672a\u6765\u72b6\u6001\u3002<\/p>\n
            \u5728\u5efa\u6a21\u65f6\uff1a<\/p>\n
              \n
            • \u521b\u5efa\uff1a<\/strong> \u4f7f\u7528\u9ed8\u8ba4\u503c\u6216\u521d\u59cb\u503c\u5c55\u793a\u8be5\u5bf9\u8c61\u3002<\/li>\n
            • \u6d3b\u8dc3\u72b6\u6001\uff1a<\/strong> \u4f7f\u7528\u5f53\u524d\u503c\u548c\u6d3b\u8dc3\u94fe\u63a5\u5c55\u793a\u8be5\u5bf9\u8c61\u3002<\/li>\n
            • \u9500\u6bc1\uff1a<\/strong> \u6807\u660e\u90a3\u4e9b\u4e0d\u518d\u6d3b\u8dc3\u7684\u5bf9\u8c61\uff0c\u901a\u5e38\u901a\u8fc7\u4f7f\u7528\u7279\u5b9a\u7b26\u53f7\u6216\u5b8c\u5168\u4ece\u56fe\u4e2d\u79fb\u9664\u5b83\u4eec\u6765\u5b9e\u73b0\u3002<\/li>\n<\/ul>\n
              \ud83c\udfad \u5b9e\u4f8b\u4e2d\u7684\u591a\u6001\u6027<\/h3>\n
              \u867d\u7136\u7c7b\u56fe\u5c55\u793a\u7ee7\u627f\u5c42\u6b21\u7ed3\u6784\uff0c\u4f46\u5bf9\u8c61\u56fe\u53ef\u4ee5\u5c55\u793a\u5b50\u7c7b\u7684\u5b9e\u4f8b\u3002\u4ece\u5b50\u7c7b\u5b9e\u4f8b\u5316\u51fa\u7684\u5bf9\u8c61\u5e94\u4f7f\u7528\u5b50\u7c7b\u540d\u79f0\u8fdb\u884c\u6807\u6ce8\u3002<\/p>\n
              \u793a\u4f8b\uff1a<\/p>\n
              premiumUser1 : PremiumUser<\/code><\/pre>\n
              \u5373\u4f7fPremiumUser<\/code> \u4ece User<\/code>\uff0c\u56fe\u8868\u4ecd\u5e94\u660e\u786e\u6307\u51fa\u5177\u4f53\u7c7b\u578b\u3002\u8fd9\u80fd\u6e05\u695a\u8868\u660e\u8be5\u5b9e\u4f8b\u53ef\u8bbf\u95ee\u54ea\u4e9b\u7279\u5b9a\u5c5e\u6027\u548c\u884c\u4e3a\u3002<\/p>\n
              \ud83d\udccc \u6700\u4f73\u5b9e\u8df5\u603b\u7ed3<\/h2>\n
              \u4e3a\u786e\u4fdd\u4f60\u7684\u5bf9\u8c61\u56fe\u6709\u6548\u4e14\u51c6\u786e\uff0c\u8bf7\u9075\u5faa\u4ee5\u4e0b\u539f\u5219\uff1a<\/p>\n
                \n
              • \u4fdd\u6301\u805a\u7126\uff1a<\/strong> \u4e0d\u8981\u8bd5\u56fe\u5728\u4e00\u4e2a\u56fe\u4e2d\u5efa\u6a21\u6574\u4e2a\u7cfb\u7edf\u3002<\/li>\n
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