{"id":3364,"date":"2026-02-25T02:10:09","date_gmt":"2026-02-25T02:10:09","guid":{"rendered":"https:\/\/www.diagrams-ai.com\/cn\/mastering-class-diagrams-in-uml-a-step-by-step-tutorial-for-developers-and-designers\/"},"modified":"2026-02-25T02:10:09","modified_gmt":"2026-02-25T02:10:09","slug":"mastering-class-diagrams-in-uml-a-step-by-step-tutorial-for-developers-and-designers","status":"publish","type":"post","link":"https:\/\/www.diagrams-ai.com\/cn\/mastering-class-diagrams-in-uml-a-step-by-step-tutorial-for-developers-and-designers\/","title":{"rendered":"\u638c\u63e1UML\u4e2d\u7684\u7c7b\u56fe\uff1a\u9762\u5411\u5f00\u53d1\u4eba\u5458\u548c\u8bbe\u8ba1\u5e08\u7684\u9010\u6b65\u6559\u7a0b"},"content":{"rendered":"

\u638c\u63e1UML\u4e2d\u7684\u7c7b\u56fe\uff1a\u9762\u5411\u5f00\u53d1\u4eba\u5458\u548c\u8bbe\u8ba1\u5e08\u7684\u9010\u6b65\u6559\u7a0b<\/h1>\n

\u7c7b\u56fe\u662f\u7edf\u4e00\u5efa\u6a21\u8bed\u8a00\uff08UML\uff09\u5de5\u5177\u7bb1\u4e2d\u6700\u5f3a\u5927\u7684\u5de5\u5177\u4e4b\u4e00\uff0c\u4f7f\u5f00\u53d1\u4eba\u5458\u548c\u7cfb\u7edf\u67b6\u6784\u5e08\u80fd\u591f\u53ef\u89c6\u5316\u7cfb\u7edf\u7684\u9759\u6001\u7ed3\u6784\u3002\u65e0\u8bba\u60a8\u662f\u5728\u8bbe\u8ba1\u65b0\u5e94\u7528\u7a0b\u5e8f\u3001\u8bb0\u5f55\u9057\u7559\u4ee3\u7801\uff0c\u8fd8\u662f\u4e0e\u8de8\u804c\u80fd\u56e2\u961f\u534f\u4f5c\uff0c\u638c\u63e1\u7c7b\u56fe\u90fd\u80fd\u663e\u8457\u63d0\u9ad8\u6e05\u6670\u5ea6\uff0c\u51cf\u5c11\u9519\u8bef\uff0c\u5e76\u52a0\u5feb\u5f00\u53d1\u8fdb\u5ea6\u3002\u5728\u672c\u5168\u9762\u7684\u9010\u6b65\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u5e26\u60a8\u4e86\u89e3\u6240\u6709\u60a8\u9700\u8981\u77e5\u9053\u7684\u5185\u5bb9\u2014\u2014\u4ece\u57fa\u7840\u6982\u5ff5\u5230\u9ad8\u7ea7\u6700\u4f73\u5b9e\u8df5\u3002<\/p>\n

\u6838\u5fc3\u6982\u5ff5<\/h2>\n

\u4ec0\u4e48\u662f\u7c7b\u56fe\uff1f<\/h3>\n

\u4e00\u4e2a\u7c7b\u56fe<\/strong>\u662fUML\u4e2d\u7684\u4e00\u79cd\u9759\u6001\u7ed3\u6784\u56fe\uff0c\u7528\u4e8e\u63cf\u8ff0\u7cfb\u7edf\u4e2d\u7684\u7c7b<\/strong>, \u5c5e\u6027<\/strong>, \u64cd\u4f5c\uff08\u65b9\u6cd5\uff09<\/strong>\u4ee5\u53ca\u5173\u7cfb<\/strong>\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u5b83\u4f5c\u4e3a\u9762\u5411\u5bf9\u8c61\u8f6f\u4ef6\u8bbe\u8ba1\u7684\u84dd\u56fe\uff0c\u5e2e\u52a9\u56e2\u961f\u7406\u89e3\u7ec4\u4ef6\u4e4b\u95f4\u7684\u4ea4\u4e92\u65b9\u5f0f\u4ee5\u53ca\u6570\u636e\u7684\u7ed3\u6784\u3002<\/p>\n

\u7c7b\u56fe\u7684\u6838\u5fc3\u8981\u7d20<\/h3>\n
    \n
  • \u7c7b<\/strong>\uff1a\u521b\u5efa\u5bf9\u8c61\u7684\u84dd\u56fe\u3002\u4ee5\u4e00\u4e2a\u5206\u4e3a\u4e09\u90e8\u5206\u7684\u77e9\u5f62\u8868\u793a\uff1a\u7c7b\u540d\u3001\u5c5e\u6027\u548c\u64cd\u4f5c\u3002<\/li>\n
  • \u5c5e\u6027<\/strong>\uff1a\u5b58\u50a8\u503c\u7684\u6570\u636e\u5b57\u6bb5\uff08\u4f8b\u5982\uff0cname: String<\/code>).<\/li>\n
  • \u64cd\u4f5c<\/strong>\uff1a\u7c7b\u53ef\u4ee5\u6267\u884c\u7684\u65b9\u6cd5\u6216\u51fd\u6570\uff08\u4f8b\u5982\uff0ccalculateTotal(): double<\/code>).<\/li>\n
  • \u5173\u7cfb<\/strong>\uff1a\u7c7b\u4e4b\u95f4\u7684\u8fde\u63a5\uff0c\u4f8b\u5982\u5173\u8054<\/strong>, \u805a\u5408<\/strong>, \u7ec4\u5408<\/strong>, \u7ee7\u627f<\/strong>\uff0c\u4ee5\u53ca\u4f9d\u8d56<\/strong>.<\/li>\n<\/ul>\n

    \u7406\u89e3\u5173\u7cfb<\/h3>\n
      \n
    1. \u5173\u8054<\/strong>: \u4e24\u4e2a\u7c7b\u4e4b\u95f4\u7684\u7ed3\u6784\u5173\u7cfb\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u5b66\u751f<\/code>\u4e0e\u4e00\u4e2a\u8bfe\u7a0b<\/code>.<\/li>\n
    2. \u805a\u5408<\/strong>: \u4e00\u79cd\u201c\u62e5\u6709\u201d\u5173\u7cfb\uff0c\u5176\u4e2d\u4e00\u4e2a\u7c7b\u5305\u542b\u53e6\u4e00\u4e2a\u7c7b\uff0c\u4f46\u88ab\u5305\u542b\u7684\u7c7b\u53ef\u4ee5\u72ec\u7acb\u5b58\u5728\uff08\u4f8b\u5982\uff0c\u4e00\u4e2a\u5927\u5b66<\/code>\u62e5\u6709\u9662\u7cfb<\/code>).<\/li>\n
    3. \u7ec4\u5408<\/strong>: \u4e00\u79cd\u66f4\u5f3a\u7684\u805a\u5408\u5f62\u5f0f\uff0c\u88ab\u5305\u542b\u7684\u7c7b\u65e0\u6cd5\u8131\u79bb\u5bb9\u5668\u800c\u5b58\u5728\uff08\u4f8b\u5982\uff0c\u4e00\u8f86\u6c7d\u8f66<\/code>\u62e5\u6709\u53d1\u52a8\u673a<\/code>\uff0c\u5f53\u6c7d\u8f66\u88ab\u9500\u6bc1\u65f6\uff0c\u53d1\u52a8\u673a\u4e5f\u968f\u4e4b\u5931\u6548\uff09\u3002<\/li>\n
    4. \u7ee7\u627f\uff08\u6cdb\u5316\uff09<\/strong>: \u4e00\u79cd\u7236\u7c7b\u4e0e\u5b50\u7c7b\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u5b50\u7c7b\u4ece\u7236\u7c7b\u7ee7\u627f\u5c5e\u6027\u548c\u64cd\u4f5c\u3002\u7528\u4e00\u4e2a\u6307\u5411\u7236\u7c7b\u7684\u7a7a\u5fc3\u4e09\u89d2\u5f62\u8868\u793a\u3002<\/li>\n
    5. \u4f9d\u8d56<\/strong>: \u4e00\u79cd\u8f83\u5f31\u7684\u5173\u7cfb\uff0c\u5176\u4e2d\u4e00\u4e2a\u7c7b\u4f9d\u8d56\u53e6\u4e00\u4e2a\u7c7b\u6765\u6267\u884c\u5176\u64cd\u4f5c\uff08\u4f8b\u5982\uff0c\u4e00\u4e2a\u62a5\u544a\u751f\u6210\u5668<\/code> \u4f9d\u8d56\u4e8e\u4e00\u4e2a\u6570\u636e\u5b58\u50a8<\/code>).<\/li>\n<\/ol>\n

      \u6307\u5357\uff1a\u5206\u6b65\u6700\u4f73\u5b9e\u8df5<\/h2>\n

      \u6b65\u9aa41\uff1a\u8bc6\u522b\u6838\u5fc3\u7c7b<\/h3>\n

      \u9996\u5148\u5206\u6790\u7cfb\u7edf\u7684\u9700\u6c42\u5e76\u8bc6\u522b\u4e3b\u8981\u5b9e\u4f53\u3002\u5728\u7528\u4f8b\u6216\u7528\u6237\u6545\u4e8b\u4e2d\u5bfb\u627e\u540d\u8bcd\u2014\u2014\u8fd9\u4e9b\u901a\u5e38\u4f1a\u6210\u4e3a\u4f60\u7684\u6838\u5fc3\u7c7b\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e2a\u7535\u5b50\u5546\u52a1\u7cfb\u7edf\u4e2d\uff0c\u8003\u8651\uff1a\u5ba2\u6237<\/code>, \u8ba2\u5355<\/code>, \u4ea7\u54c1<\/code>\uff0c\u4ee5\u53ca\u652f\u4ed8<\/code>.<\/p>\n

      \u6b65\u9aa42\uff1a\u5b9a\u4e49\u5c5e\u6027\u548c\u64cd\u4f5c<\/h3>\n

      \u4e3a\u6bcf\u4e2a\u7c7b\u5217\u51fa\u5176\u6570\u636e\uff08\u5c5e\u6027\uff09\u548c\u884c\u4e3a\uff08\u64cd\u4f5c\uff09\u3002\u4f7f\u7528\u6e05\u6670\u3001\u7b80\u6d01\u7684\u540d\u79f0\u3002\u4f8b\u5982\uff1a<\/p>\n

      \u7c7b Product {\n  - productId: \u5b57\u7b26\u4e32\n  - name: \u5b57\u7b26\u4e32\n  - price: \u53cc\u7cbe\u5ea6\u6d6e\u70b9\u6570\n  + getDiscountedPrice(): \u53cc\u7cbe\u5ea6\u6d6e\u70b9\u6570\n  + updateStock(quantity: \u6574\u6570): \u7a7a\n}<\/code><\/pre>\n
      \u6b65\u9aa43\uff1a\u5efa\u7acb\u5173\u7cfb<\/h3>\n
      \u7ed8\u5236\u7c7b\u4e4b\u95f4\u7684\u4ea4\u4e92\u65b9\u5f0f\uff1a<\/p>\n
        \n
      • \u4f7f\u7528\u5173\u8054<\/strong>\u7c7b\u4e4b\u95f4\u7684\u8fde\u7ebf\uff0c\u53ef\u9009\u591a\u91cd\u6027\uff08\u4f8b\u5982\uff0c1..* \u8868\u793a\u4e00\u5bf9\u591a\uff09\u3002<\/li>\n
      • \u4f7f\u7528\u7ec4\u5408<\/strong>\u5f53\u5173\u7cfb\u8f83\u5f3a\u4e14\u751f\u547d\u5468\u671f\u76f8\u5173\u65f6\uff08\u5b9e\u5fc3\u83f1\u5f62\uff09\u3002<\/li>\n
      • \u4f7f\u7528\u7ee7\u627f<\/strong> \u5f53\u4e00\u4e2a\u7c7b\u662f\u53e6\u4e00\u4e2a\u7c7b\u7684\u7279\u5316\u7248\u672c\u65f6\uff08\u7a7a\u5fc3\u4e09\u89d2\u5f62\uff09\u3002<\/li>\n
      • \u4f7f\u7528\u4f9d\u8d56<\/strong> \u7528\u4e8e\u4e34\u65f6\u6216\u6761\u4ef6\u6027\u4ea4\u4e92\u3002<\/li>\n<\/ul>\n
        \u6b65\u9aa4 4\uff1a\u5e94\u7528\u547d\u540d\u89c4\u8303<\/h3>\n
        \u4f7f\u7528\u4e00\u81f4\u7684\u547d\u540d\uff1a<\/p>\n
          \n
        • \u7c7b\u540d\uff1a\u5e15\u65af\u5361\u547d\u540d\u6cd5\uff08\u4f8b\u5982\uff0cCustomerService<\/code>)<\/li>\n
        • \u5c5e\u6027\uff1a\u9a7c\u5cf0\u547d\u540d\u6cd5\uff08\u4f8b\u5982\uff0ccustomerName<\/code>)<\/li>\n
        • \u64cd\u4f5c\uff1a\u9a7c\u5cf0\u547d\u540d\u6cd5\uff08\u4f8b\u5982\uff0ccalculateTotal<\/code>)<\/li>\n
        • \u4f7f\u7528\u53ef\u89c1\u6027<\/strong>\u7b26\u53f7\uff1a+<\/code>\uff08\u516c\u5171\uff09\uff0c-<\/code>\uff08\u79c1\u6709\uff09\uff0c#<\/code>\uff08\u53d7\u4fdd\u62a4\uff09<\/li>\n<\/ul>\n
          \u6b65\u9aa4 5\uff1a\u5ba1\u67e5\u4e0e\u4f18\u5316<\/h3>\n
          \u4e0e\u5229\u76ca\u76f8\u5173\u8005\u4e00\u8d77\u9a8c\u8bc1\u4f60\u7684\u56fe\u8868\u3002\u63d0\u95ee\uff1a\u5b83\u662f\u5426\u53cd\u6620\u4e86\u7cfb\u7edf\u7684\u884c\u4e3a\uff1f\u662f\u5426\u5b58\u5728\u5197\u4f59\u6216\u7f3a\u5931\u7684\u7c7b\uff1f\u5c42\u6b21\u7ed3\u6784\u662f\u5426\u5408\u7406\uff1f\u9010\u6b65\u4f18\u5316\u4ee5\u63d0\u9ad8\u6e05\u6670\u5ea6\u548c\u51c6\u786e\u6027\u3002<\/p>\n
          \u6280\u5de7\u4e0e\u7a8d\u95e8<\/h2>\n
            \n
          • \u4ece\u7b80\u5355\u5f00\u59cb<\/strong>\uff1a\u4ece\u9ad8\u5c42\u6b21\u6982\u89c8\u5f00\u59cb\u3002\u4ec5\u5728\u5fc5\u8981\u65f6\u6dfb\u52a0\u7ec6\u8282\uff0c\u4ee5\u907f\u514d\u6742\u4e71\u3002<\/li>\n
          • \u4f7f\u7528\u6784\u9020\u578b<\/strong>: \u5e94\u7528 <<\u5b9e\u4f53>><\/code>, <<\u63a7\u5236>><\/code>\uff0c\u6216 <<\u8fb9\u754c>><\/code> \u7528\u4e8e\u5bf9\u5206\u5c42\u67b6\u6784\uff08\u4f8b\u5982 MVC\uff09\u4e2d\u7684\u7c7b\u8fdb\u884c\u5206\u7c7b\u3002<\/li>\n
          • \u9650\u5236\u7ee7\u627f\u6df1\u5ea6<\/strong>: \u907f\u514d\u8fc7\u6df1\u7684\u7ee7\u627f\u7ed3\u6784\u3002\u5728\u53ef\u80fd\u7684\u60c5\u51b5\u4e0b\uff0c\u4f18\u5148\u4f7f\u7528\u7ec4\u5408\u800c\u975e\u7ee7\u627f\u3002<\/li>\n
          • \u660e\u667a\u5730\u4f7f\u7528\u591a\u91cd\u6027<\/strong>: \u59cb\u7ec8\u6307\u5b9a\u57fa\u6570\uff08\u4f8b\u5982 0..1\u30011..*\u30011\uff09\u4ee5\u907f\u514d\u6b67\u4e49\u3002<\/li>\n
          • \u4f7f\u7528\u5de5\u5177\u81ea\u52a8\u5316<\/strong>: \u4f7f\u7528 UML \u5de5\u5177\uff0c\u5982 Visual Paradigm<\/strong>, StarUML<\/strong>\uff0c\u6216 Enterprise Architect<\/strong> \u4ece\u4ee3\u7801\u751f\u6210\u56fe\u8868\u6216\u53cd\u5411\u5de5\u7a0b\u73b0\u6709\u7cfb\u7edf\u3002<\/li>\n
          • \u8bb0\u5f55\u5047\u8bbe<\/strong>: \u6dfb\u52a0\u6ce8\u91ca\u6216\u8bf4\u660e\u4ee5\u6f84\u6e05\u590d\u6742\u7684\u5173\u7cfb\u6216\u4e1a\u52a1\u89c4\u5219\u3002<\/li>\n<\/ul>\n
            \u4f18\u7f3a\u70b9<\/h2>\n
            \u4f7f\u7528\u7c7b\u56fe\u7684\u4f18\u70b9<\/h3>\n
              \n
            • \u6539\u5584\u6c9f\u901a<\/strong>: \u53ef\u89c6\u5316\u8868\u793a\u6709\u52a9\u4e8e\u5f00\u53d1\u4eba\u5458\u3001\u8bbe\u8ba1\u5e08\u548c\u5229\u76ca\u76f8\u5173\u8005\u5c31\u7cfb\u7edf\u7ed3\u6784\u8fbe\u6210\u4e00\u81f4\u3002<\/li>\n
            • \u65e9\u671f\u9519\u8bef\u68c0\u6d4b<\/strong>: \u8bbe\u8ba1\u4e2d\u7684\u7f3a\u9677\uff08\u4f8b\u5982\u7f3a\u5931\u7684\u5173\u7cfb\u3001\u5197\u4f59\u7684\u7c7b\uff09\u5728\u7f16\u7801\u5f00\u59cb\u524d\u5c31\u80fd\u663e\u73b0\u51fa\u6765\u3002<\/li>\n
            • \u4ee3\u7801\u751f\u6210\u652f\u6301<\/strong>: \u8bb8\u591a IDE \u548c\u5de5\u5177\u53ef\u4ee5\u4ece\u7c7b\u56fe\u751f\u6210\u9aa8\u67b6\u4ee3\u7801\uff0c\u52a0\u5feb\u5f00\u53d1\u901f\u5ea6\u3002<\/li>\n
            • \u6587\u6863\u4e0e\u7ef4\u62a4<\/strong>: \u4f5c\u4e3a\u968f\u7cfb\u7edf\u4e0d\u65ad\u6f14\u8fdb\u7684\u52a8\u6001\u6587\u6863\u3002<\/li>\n<\/ul>\n
              \u7f3a\u70b9\u4e0e\u5c40\u9650\u6027<\/h3>\n
                \n
              • \u5c0f\u578b\u9879\u76ee\u7684\u5f00\u9500<\/strong>: \u5bf9\u4e8e\u7b80\u5355\u5e94\u7528\uff0c\u521b\u5efa\u8be6\u7ec6\u7684\u7c7b\u56fe\u53ef\u80fd\u8fc7\u4e8e\u590d\u6742\u3002<\/li>\n
              • \u5bb9\u6613\u8fc5\u901f\u8fc7\u65f6<\/strong>: \u5982\u679c\u7f3a\u4e4f\u7eaa\u5f8b\uff0c\u968f\u7740\u7cfb\u7edf\u7684\u53d1\u5c55\uff0c\u56fe\u8868\u5f88\u5bb9\u6613\u53d8\u5f97\u8fc7\u65f6\u3002<\/li>\n
              • \u5927\u578b\u7cfb\u7edf\u4e2d\u7684\u590d\u6742\u6027<\/strong>: \u975e\u5e38\u5927\u578b\u7684\u7cfb\u7edf\u53ef\u80fd\u4f1a\u4ea7\u751f\u8fc7\u4e8e\u590d\u6742\u7684\u56fe\u8868\uff0c\u96be\u4ee5\u9605\u8bfb\u548c\u7ef4\u62a4\u3002<\/li>\n
              • \u5b66\u4e60\u66f2\u7ebf<\/strong>: \u7406\u89e3UML\u7b26\u53f7\u548c\u6700\u4f73\u5b9e\u8df5\u9700\u8981\u65f6\u95f4\u548c\u5b9e\u8df5\u3002<\/li>\n<\/ul>\n
                \n
                \u4e13\u4e1a\u63d0\u793a\uff1a<\/strong> \u5c06\u7c7b\u56fe\u4e0e\u987a\u5e8f\u56fe\u7ed3\u5408\u4f7f\u7528\u4ee5\u83b7\u5f97\u5b8c\u6574\u89c6\u56fe\u2014\u2014\u7528\u7c7b\u56fe\u8868\u793a\u7ed3\u6784\uff0c\u7528\u987a\u5e8f\u56fe\u8868\u793a\u884c\u4e3a\u3002<\/p>\n<\/blockquote>\n
                \u7ed3\u8bba<\/h2>\n
                \u7c7b\u56fe\u4e0d\u4ec5\u4ec5\u662f\u7406\u8bba\u4e0a\u7684\u4ea7\u7269\u2014\u2014\u5b83\u4eec\u662f\u5b9e\u7528\u7684\u5de5\u5177\uff0c\u80fd\u591f\u5f25\u5408\u8bbe\u8ba1\u4e0e\u5b9e\u73b0\u4e4b\u95f4\u7684\u5dee\u8ddd\u3002\u901a\u8fc7\u9075\u5faa\u9010\u6b65\u6307\u5357\u3001\u5e94\u7528\u660e\u667a\u5efa\u8bae\u5e76\u7406\u89e3\u6743\u8861\uff0c\u4f60\u53ef\u4ee5\u521b\u5efa\u51fa\u63d0\u5347\u534f\u4f5c\u3001\u51cf\u5c11\u9519\u8bef\u5e76\u7b80\u5316\u5f00\u53d1\u7684\u7c7b\u56fe\u3002\u65e0\u8bba\u4f60\u662f\u5728\u5f00\u53d1\u521d\u521b\u5e94\u7528\u8fd8\u662f\u5927\u578b\u4f01\u4e1a\u7cfb\u7edf\uff0c\u638c\u63e1UML\u7c7b\u56fe\u90fd\u662f\u4e00\u9879\u5728\u6574\u4e2a\u8f6f\u4ef6\u751f\u547d\u5468\u671f\u4e2d\u90fd\u80fd\u5e26\u6765\u56de\u62a5\u7684\u6280\u80fd\u3002<\/p>\n
                \u4ece\u4eca\u5929\u5f00\u59cb\u2014\u2014\u62ff\u8d77\u4e00\u4e2aUML\u5de5\u5177\uff0c\u7ed8\u5236\u4f60\u7684\u7b2c\u4e00\u4e2a\u7c7b\u56fe\uff0c\u89c1\u8bc1\u4f60\u7684\u7cfb\u7edf\u8bbe\u8ba1\u6829\u6829\u5982\u751f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
                \u638c\u63e1UML\u4e2d\u7684\u7c7b\u56fe\uff1a\u9762\u5411\u5f00\u53d1\u4eba\u5458\u548c\u8bbe\u8ba1\u5e08\u7684\u9010\u6b65\u6559\u7a0b \u7c7b\u56fe\u662f\u7edf\u4e00\u5efa\u6a21\u8bed\u8a00\uff08UML\uff09\u5de5\u5177\u7bb1\u4e2d\u6700\u5f3a\u5927\u7684\u5de5\u5177\u4e4b\u4e00\uff0c\u4f7f\u5f00\u53d1\u4eba\u5458\u548c\u7cfb\u7edf\u67b6\u6784\u5e08\u80fd\u591f\u53ef\u89c6\u5316\u7cfb\u7edf\u7684\u9759\u6001\u7ed3\u6784\u3002\u65e0\u8bba\u60a8\u662f\u5728\u8bbe\u8ba1\u65b0\u5e94\u7528\u7a0b\u5e8f\u3001\u8bb0\u5f55\u9057\u7559\u4ee3\u7801\uff0c\u8fd8\u662f\u4e0e\u8de8\u804c\u80fd\u56e2\u961f\u534f\u4f5c\uff0c\u638c\u63e1\u7c7b\u56fe\u90fd\u80fd\u663e\u8457\u63d0\u9ad8\u6e05\u6670\u5ea6\uff0c\u51cf\u5c11\u9519\u8bef\uff0c\u5e76\u52a0\u5feb\u5f00\u53d1\u8fdb\u5ea6\u3002\u5728\u672c\u5168\u9762\u7684\u9010\u6b65\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u5e26\u60a8\u4e86\u89e3\u6240\u6709\u60a8\u9700\u8981\u77e5\u9053\u7684\u5185\u5bb9\u2014\u2014\u4ece\u57fa\u7840\u6982\u5ff5\u5230\u9ad8\u7ea7\u6700\u4f73\u5b9e\u8df5\u3002 \u6838\u5fc3\u6982\u5ff5 \u4ec0\u4e48\u662f\u7c7b\u56fe\uff1f \u4e00\u4e2a\u7c7b\u56fe\u662fUML\u4e2d\u7684\u4e00\u79cd\u9759\u6001\u7ed3\u6784\u56fe\uff0c\u7528\u4e8e\u63cf\u8ff0\u7cfb\u7edf\u4e2d\u7684\u7c7b, \u5c5e\u6027, \u64cd\u4f5c\uff08\u65b9\u6cd5\uff09\u4ee5\u53ca\u5173\u7cfb\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u5b83\u4f5c\u4e3a\u9762\u5411\u5bf9\u8c61\u8f6f\u4ef6\u8bbe\u8ba1\u7684\u84dd\u56fe\uff0c\u5e2e\u52a9\u56e2\u961f\u7406\u89e3\u7ec4\u4ef6\u4e4b\u95f4\u7684\u4ea4\u4e92\u65b9\u5f0f\u4ee5\u53ca\u6570\u636e\u7684\u7ed3\u6784\u3002 \u7c7b\u56fe\u7684\u6838\u5fc3\u8981\u7d20 \u7c7b\uff1a\u521b\u5efa\u5bf9\u8c61\u7684\u84dd\u56fe\u3002\u4ee5\u4e00\u4e2a\u5206\u4e3a\u4e09\u90e8\u5206\u7684\u77e9\u5f62\u8868\u793a\uff1a\u7c7b\u540d\u3001\u5c5e\u6027\u548c\u64cd\u4f5c\u3002 \u5c5e\u6027\uff1a\u5b58\u50a8\u503c\u7684\u6570\u636e\u5b57\u6bb5\uff08\u4f8b\u5982\uff0cname: String). \u64cd\u4f5c\uff1a\u7c7b\u53ef\u4ee5\u6267\u884c\u7684\u65b9\u6cd5\u6216\u51fd\u6570\uff08\u4f8b\u5982\uff0ccalculateTotal(): double). \u5173\u7cfb\uff1a\u7c7b\u4e4b\u95f4\u7684\u8fde\u63a5\uff0c\u4f8b\u5982\u5173\u8054, \u805a\u5408, \u7ec4\u5408, \u7ee7\u627f\uff0c\u4ee5\u53ca\u4f9d\u8d56. \u7406\u89e3\u5173\u7cfb \u5173\u8054: \u4e24\u4e2a\u7c7b\u4e4b\u95f4\u7684\u7ed3\u6784\u5173\u7cfb\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a\u5b66\u751f\u4e0e\u4e00\u4e2a\u8bfe\u7a0b. \u805a\u5408: \u4e00\u79cd\u201c\u62e5\u6709\u201d\u5173\u7cfb\uff0c\u5176\u4e2d\u4e00\u4e2a\u7c7b\u5305\u542b\u53e6\u4e00\u4e2a\u7c7b\uff0c\u4f46\u88ab\u5305\u542b\u7684\u7c7b\u53ef\u4ee5\u72ec\u7acb\u5b58\u5728\uff08\u4f8b\u5982\uff0c\u4e00\u4e2a\u5927\u5b66\u62e5\u6709\u9662\u7cfb). \u7ec4\u5408: \u4e00\u79cd\u66f4\u5f3a\u7684\u805a\u5408\u5f62\u5f0f\uff0c\u88ab\u5305\u542b\u7684\u7c7b\u65e0\u6cd5\u8131\u79bb\u5bb9\u5668\u800c\u5b58\u5728\uff08\u4f8b\u5982\uff0c\u4e00\u8f86\u6c7d\u8f66\u62e5\u6709\u53d1\u52a8\u673a\uff0c\u5f53\u6c7d\u8f66\u88ab\u9500\u6bc1\u65f6\uff0c\u53d1\u52a8\u673a\u4e5f\u968f\u4e4b\u5931\u6548\uff09\u3002 \u7ee7\u627f\uff08\u6cdb\u5316\uff09: \u4e00\u79cd\u7236\u7c7b\u4e0e\u5b50\u7c7b\u4e4b\u95f4\u7684\u5173\u7cfb\uff0c\u5b50\u7c7b\u4ece\u7236\u7c7b\u7ee7\u627f\u5c5e\u6027\u548c\u64cd\u4f5c\u3002\u7528\u4e00\u4e2a\u6307\u5411\u7236\u7c7b\u7684\u7a7a\u5fc3\u4e09\u89d2\u5f62\u8868\u793a\u3002 \u4f9d\u8d56: \u4e00\u79cd\u8f83\u5f31\u7684\u5173\u7cfb\uff0c\u5176\u4e2d\u4e00\u4e2a\u7c7b\u4f9d\u8d56\u53e6\u4e00\u4e2a\u7c7b\u6765\u6267\u884c\u5176\u64cd\u4f5c\uff08\u4f8b\u5982\uff0c\u4e00\u4e2a\u62a5\u544a\u751f\u6210\u5668 \u4f9d\u8d56\u4e8e\u4e00\u4e2a\u6570\u636e\u5b58\u50a8). \u6307\u5357\uff1a\u5206\u6b65\u6700\u4f73\u5b9e\u8df5 \u6b65\u9aa41\uff1a\u8bc6\u522b\u6838\u5fc3\u7c7b \u9996\u5148\u5206\u6790\u7cfb\u7edf\u7684\u9700\u6c42\u5e76\u8bc6\u522b\u4e3b\u8981\u5b9e\u4f53\u3002\u5728\u7528\u4f8b\u6216\u7528\u6237\u6545\u4e8b\u4e2d\u5bfb\u627e\u540d\u8bcd\u2014\u2014\u8fd9\u4e9b\u901a\u5e38\u4f1a\u6210\u4e3a\u4f60\u7684\u6838\u5fc3\u7c7b\u3002\u4f8b\u5982\uff0c\u5728\u4e00\u4e2a\u7535\u5b50\u5546\u52a1\u7cfb\u7edf\u4e2d\uff0c\u8003\u8651\uff1a\u5ba2\u6237, \u8ba2\u5355, \u4ea7\u54c1\uff0c\u4ee5\u53ca\u652f\u4ed8. \u6b65\u9aa42\uff1a\u5b9a\u4e49\u5c5e\u6027\u548c\u64cd\u4f5c \u4e3a\u6bcf\u4e2a\u7c7b\u5217\u51fa\u5176\u6570\u636e\uff08\u5c5e\u6027\uff09\u548c\u884c\u4e3a\uff08\u64cd\u4f5c\uff09\u3002\u4f7f\u7528\u6e05\u6670\u3001\u7b80\u6d01\u7684\u540d\u79f0\u3002\u4f8b\u5982\uff1a \u7c7b Product { – productId: \u5b57\u7b26\u4e32 – name: \u5b57\u7b26\u4e32 – price: \u53cc\u7cbe\u5ea6\u6d6e\u70b9\u6570 + getDiscountedPrice(): \u53cc\u7cbe\u5ea6\u6d6e\u70b9\u6570 + updateStock(quantity: \u6574\u6570): \u7a7a } \u6b65\u9aa43\uff1a\u5efa\u7acb\u5173\u7cfb \u7ed8\u5236\u7c7b\u4e4b\u95f4\u7684\u4ea4\u4e92\u65b9\u5f0f\uff1a \u4f7f\u7528\u5173\u8054\u7c7b\u4e4b\u95f4\u7684\u8fde\u7ebf\uff0c\u53ef\u9009\u591a\u91cd\u6027\uff08\u4f8b\u5982\uff0c1..* \u8868\u793a\u4e00<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","fifu_image_url":"","fifu_image_alt":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-3364","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u638c\u63e1UML\u4e2d\u7684\u7c7b\u56fe\uff1a\u9762\u5411\u5f00\u53d1\u4eba\u5458\u548c\u8bbe\u8ba1\u5e08\u7684\u9010\u6b65\u6559\u7a0b - Diagrams AI Simplified Chinese<\/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.diagrams-ai.com\/cn\/mastering-class-diagrams-in-uml-a-step-by-step-tutorial-for-developers-and-designers\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u638c\u63e1UML\u4e2d\u7684\u7c7b\u56fe\uff1a\u9762\u5411\u5f00\u53d1\u4eba\u5458\u548c\u8bbe\u8ba1\u5e08\u7684\u9010\u6b65\u6559\u7a0b - Diagrams AI Simplified Chinese\" \/>\n<meta property=\"og:description\" content=\"\u638c\u63e1UML\u4e2d\u7684\u7c7b\u56fe\uff1a\u9762\u5411\u5f00\u53d1\u4eba\u5458\u548c\u8bbe\u8ba1\u5e08\u7684\u9010\u6b65\u6559\u7a0b \u7c7b\u56fe\u662f\u7edf\u4e00\u5efa\u6a21\u8bed\u8a00\uff08UML\uff09\u5de5\u5177\u7bb1\u4e2d\u6700\u5f3a\u5927\u7684\u5de5\u5177\u4e4b\u4e00\uff0c\u4f7f\u5f00\u53d1\u4eba\u5458\u548c\u7cfb\u7edf\u67b6\u6784\u5e08\u80fd\u591f\u53ef\u89c6\u5316\u7cfb\u7edf\u7684\u9759\u6001\u7ed3\u6784\u3002\u65e0\u8bba\u60a8\u662f\u5728\u8bbe\u8ba1\u65b0\u5e94\u7528\u7a0b\u5e8f\u3001\u8bb0\u5f55\u9057\u7559\u4ee3\u7801\uff0c\u8fd8\u662f\u4e0e\u8de8\u804c\u80fd\u56e2\u961f\u534f\u4f5c\uff0c\u638c\u63e1\u7c7b\u56fe\u90fd\u80fd\u663e\u8457\u63d0\u9ad8\u6e05\u6670\u5ea6\uff0c\u51cf\u5c11\u9519\u8bef\uff0c\u5e76\u52a0\u5feb\u5f00\u53d1\u8fdb\u5ea6\u3002\u5728\u672c\u5168\u9762\u7684\u9010\u6b65\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u5c06\u5e26\u60a8\u4e86\u89e3\u6240\u6709\u60a8\u9700\u8981\u77e5\u9053\u7684\u5185\u5bb9\u2014\u2014\u4ece\u57fa\u7840\u6982\u5ff5\u5230\u9ad8\u7ea7\u6700\u4f73\u5b9e\u8df5\u3002 \u6838\u5fc3\u6982\u5ff5 \u4ec0\u4e48\u662f\u7c7b\u56fe\uff1f \u4e00\u4e2a\u7c7b\u56fe\u662fUML\u4e2d\u7684\u4e00\u79cd\u9759\u6001\u7ed3\u6784\u56fe\uff0c\u7528\u4e8e\u63cf\u8ff0\u7cfb\u7edf\u4e2d\u7684\u7c7b, \u5c5e\u6027, \u64cd\u4f5c\uff08\u65b9\u6cd5\uff09\u4ee5\u53ca\u5173\u7cfb\u5b83\u4eec\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u5b83\u4f5c\u4e3a\u9762\u5411\u5bf9\u8c61\u8f6f\u4ef6\u8bbe\u8ba1\u7684\u84dd\u56fe\uff0c\u5e2e\u52a9\u56e2\u961f\u7406\u89e3\u7ec4\u4ef6\u4e4b\u95f4\u7684\u4ea4\u4e92\u65b9\u5f0f\u4ee5\u53ca\u6570\u636e\u7684\u7ed3\u6784\u3002 \u7c7b\u56fe\u7684\u6838\u5fc3\u8981\u7d20 \u7c7b\uff1a\u521b\u5efa\u5bf9\u8c61\u7684\u84dd\u56fe\u3002\u4ee5\u4e00\u4e2a\u5206\u4e3a\u4e09\u90e8\u5206\u7684\u77e9\u5f62\u8868\u793a\uff1a\u7c7b\u540d\u3001\u5c5e\u6027\u548c\u64cd\u4f5c\u3002 \u5c5e\u6027\uff1a\u5b58\u50a8\u503c\u7684\u6570\u636e\u5b57\u6bb5\uff08\u4f8b\u5982\uff0cname: String). \u64cd\u4f5c\uff1a\u7c7b\u53ef\u4ee5\u6267\u884c\u7684\u65b9\u6cd5\u6216\u51fd\u6570\uff08\u4f8b\u5982\uff0ccalculateTotal(): double). 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