{"id":1100,"date":"2026-03-31T21:41:59","date_gmt":"2026-03-31T21:41:59","guid":{"rendered":"https:\/\/www.method-post.com\/cn\/common-pitfalls-class-diagram-design-student-projects\/"},"modified":"2026-03-31T21:41:59","modified_gmt":"2026-03-31T21:41:59","slug":"common-pitfalls-class-diagram-design-student-projects","status":"publish","type":"post","link":"https:\/\/www.method-post.com\/cn\/common-pitfalls-class-diagram-design-student-projects\/","title":{"rendered":"\u7c7b\u56fe\u8bbe\u8ba1\u4e2d\u7684\u5e38\u89c1\u9677\u9631\uff1a\u6765\u81ea\u771f\u5b9e\u5b66\u751f\u9879\u76ee\u7684\u6559\u8bad"},"content":{"rendered":"<p>\u7c7b\u56fe\u662f\u9762\u5411\u5bf9\u8c61\u8f6f\u4ef6\u8bbe\u8ba1\u7684\u57fa\u77f3\u3002\u5b83\u4eec\u5c06\u62bd\u8c61\u7684\u9700\u6c42\u8f6c\u5316\u4e3a\u5177\u4f53\u7684\u7ed3\u6784\uff0c\u5b9a\u4e49\u5bf9\u8c61\u4e4b\u95f4\u7684\u4ea4\u4e92\u65b9\u5f0f\u3001\u6240\u6301\u6709\u7684\u6570\u636e\u4ee5\u53ca\u884c\u4e3a\u7279\u5f81\u3002\u5728\u5b66\u672f\u73af\u5883\u4e2d\uff0c\u5b66\u751f\u7ecf\u5e38\u5c06\u8fd9\u79cd\u8868\u793a\u6cd5\u4f5c\u4e3a\u57fa\u7840\u4f5c\u4e1a\u6765\u63a5\u89e6\u3002\u7136\u800c\uff0c\u7406\u8bba\u7406\u89e3\u4e0e\u5b9e\u9645\u5e94\u7528\u4e4b\u95f4\u7684\u5dee\u8ddd\u5e38\u5e38\u5bfc\u81f4\u7ed3\u6784\u6027\u7f3a\u9677\uff0c\u8fd9\u4e9b\u7f3a\u9677\u4f1a\u5ef6\u7eed\u5230\u804c\u4e1a\u73af\u5883\u4e2d\u3002<\/p>\n<p>\u7ecf\u8fc7\u591a\u5e74\u8bc4\u5ba1\u5b66\u672f\u63d0\u4ea4\u4f5c\u54c1\u548c\u521d\u7ea7\u4ee3\u7801\u5e93\uff0c\u4e00\u4e9b\u7279\u5b9a\u7684\u9519\u8bef\u6a21\u5f0f\u53cd\u590d\u51fa\u73b0\u3002\u8fd9\u4e9b\u5e76\u975e\u4ec5\u4ec5\u662f\u7f8e\u89c2\u95ee\u9898\uff0c\u800c\u662f\u5bf9\u5c01\u88c5\u3001\u8026\u5408\u548c\u804c\u8d23\u7b49\u6982\u5ff5\u66f4\u6df1\u5c42\u6b21\u8bef\u89e3\u7684\u8868\u73b0\u3002\u672c\u6307\u5357\u5256\u6790\u4e86\u5b66\u751f\u9879\u76ee\u4e2d\u6700\u5e38\u89c1\u7684\u8bbe\u8ba1\u7f3a\u9677\uff0c\u63d0\u4f9b\u4e86\u4e00\u6761\u4e0d\u4f9d\u8d56\u7279\u5b9a\u5efa\u6a21\u5de5\u5177\u7684\u66f4\u7a33\u5065\u67b6\u6784\u4e4b\u8def\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Hand-drawn whiteboard infographic illustrating 7 common class diagram design pitfalls: over-engineering with excessive classes, confusing inheritance vs association relationships, ignoring visibility modifiers, high coupling with low cohesion, cyclic dependencies between classes, imbalanced detail levels, and poor naming conventions. Each pitfall shows mistake examples in red markers and correct approaches in green markers, with UML notation sketches, color-coded sections, and a quick-reference checklist for reviewing object-oriented design.\" decoding=\"async\" src=\"https:\/\/www.method-post.com\/wp-content\/uploads\/2026\/03\/class-diagram-design-pitfalls-whiteboard-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>1. \u8fc7\u5ea6\u8bbe\u8ba1\u9677\u9631\uff1a\u4e3a\u4e00\u5207\u521b\u5efa\u7c7b \ud83c\udfd7\ufe0f<\/h2>\n<p>\u6700\u666e\u904d\u7684\u95ee\u9898\u4e4b\u4e00\u662f\u503e\u5411\u4e8e\u4e3a\u9700\u6c42\u4e2d\u63d0\u5230\u7684\u6bcf\u4e00\u4e2a\u6982\u5ff5\u90fd\u521b\u5efa\u4e00\u4e2a\u7c7b\u3002\u5b66\u751f\u5e38\u5e38\u611f\u5230\u5fc5\u987b\u5c06\u6bcf\u4e00\u4e2a\u540d\u8bcd\u90fd\u8868\u793a\u4e3a\u4e00\u4e2a\u7c7b\u3002\u867d\u7136\u540d\u8bcd\u901a\u5e38\u5bf9\u5e94\u7c7b\uff0c\u4f46\u52a8\u8bcd\u548c\u5f62\u5bb9\u8bcd\u4e5f\u53ef\u80fd\u5177\u6709\u91cd\u8981\u610f\u4e49\u3002\u76f8\u53cd\uff0c\u6709\u4e9b\u540d\u8bcd\u4ec5\u4ec5\u662f\u5c5e\u6027\u6216\u53c2\u6570\uff0c\u5e76\u975e\u5b9e\u4f53\u3002<\/p>\n<p><strong>\u5e38\u89c1\u9519\u8bef\uff1a<\/strong><\/p>\n<ul>\n<li>\u521b\u5efa\u4e00\u4e2a <code>\u5b66\u751f<\/code>\u7c7b\uff0c\u4e00\u4e2a <code>\u8bfe\u7a0b<\/code>\u7c7b\uff0c\u4e00\u4e2a <code>\u6210\u7ee9<\/code>\u7c7b\uff0c\u4e00\u4e2a <code>\u6210\u7ee9\u6761\u76ee<\/code>\u7c7b\uff0c\u4ee5\u53ca\u4e00\u4e2a <code>\u6210\u7ee9\u5386\u53f2<\/code>\u7c7b\uff0c\u7528\u4e8e\u4e00\u4e2a\u7b80\u5355\u7684\u6210\u7ee9\u8ddf\u8e2a\u7cfb\u7edf\u3002<\/li>\n<li>\u5c06\u903b\u8f91\u4e0a\u5e94\u5c5e\u4e8e\u4e00\u4f53\u7684\u6570\u636e\u62c6\u5206\u5230\u4e0d\u540c\u7684\u7c7b\u4e2d\uff0c\u4ee5\u589e\u52a0\u201c\u5bf9\u8c61\u6570\u91cf\u201d\u3002<\/li>\n<\/ul>\n<p><strong>\u4e3a\u4f55\u8fd9\u4f1a\u5931\u8d25\uff1a<\/strong><\/p>\n<p>\u8fc7\u5ea6\u7ec6\u5316\u4f1a\u589e\u52a0\u590d\u6742\u6027\u5374\u672a\u5e26\u6765\u5b9e\u9645\u4ef7\u503c\u3002\u5b83\u8feb\u4f7f\u5f00\u53d1\u4eba\u5458\u9700\u8981\u904d\u5386\u66f4\u591a\u7684\u5bf9\u8c61\u5f15\u7528\u624d\u80fd\u8bbf\u95ee\u7b80\u5355\u6570\u636e\u3002\u5982\u679c\u4e00\u4e2a <code>\u6210\u7ee9<\/code>\u65e0\u6cd5\u5728\u6ca1\u6709 <code>\u8bfe\u7a0b<\/code>\u7684\u60c5\u51b5\u4e0b\u5b58\u5728\uff0c\u90a3\u4e48\u5b83\u5c31\u4e0d\u5e94\u662f\u5177\u6709\u72ec\u7acb\u751f\u547d\u5468\u671f\u7684\u72ec\u7acb\u7c7b\u3002\u8fd9\u4f1a\u5bfc\u81f4\u8bbe\u8ba1\u788e\u7247\u5316\uff0c\u4f7f\u5f97\u7406\u89e3\u7cfb\u7edf\u6240\u9700\u7684\u5fc3\u7406\u6a21\u578b\u4e0e\u7cfb\u7edf\u672c\u8eab\u4e00\u6837\u590d\u6742\u3002<\/p>\n<p><strong>\u6b63\u786e\u505a\u6cd5\uff1a<\/strong><\/p>\n<ul>\n<li>\u5206\u6790\u751f\u547d\u5468\u671f\u3002\u8be5\u5bf9\u8c61\u662f\u5426\u80fd\u72ec\u7acb\u4e8e\u5176\u4ed6\u5bf9\u8c61\u5b58\u5728\uff1f<\/li>\n<li>\u68c0\u67e5\u8be5\u5bf9\u8c61\u662f\u5426\u5177\u6709\u8d85\u51fa\u7b80\u5355\u6570\u636e\u5b58\u50a8\u4e4b\u5916\u7684\u884c\u4e3a\u3002\u5982\u679c\u5b83\u4ec5\u7528\u4e8e\u5b58\u50a8\u6570\u636e\uff0c\u5e94\u8003\u8651\u5b83\u662f\u5426\u5e94\u5f52\u5c5e\u4e8e\u7ba1\u7406\u5b83\u7684\u7c7b\u4e2d\u3002<\/li>\n<li>\u5bf9\u76f8\u5173\u6570\u636e\u8fdb\u884c\u5206\u7ec4\u3002\u4e00\u4e2a <code>\u5b66\u751f<\/code>\u53ef\u80fd\u5305\u542b\u4e00\u4e2a <code>\u6210\u7ee9<\/code> \u5bf9\u8c61\uff0c\u800c\u4e0d\u662f\u4e00\u4e2a\u72ec\u7acb\u7684<code>\u6210\u7ee9\u6761\u76ee<\/code> \u7c7b\uff0c\u9664\u975e\u6210\u7ee9\u5177\u6709\u663e\u8457\u7684\u72ec\u7acb\u884c\u4e3a\u3002<\/li>\n<\/ul>\n<h2>2. \u5173\u7cfb\u6df7\u6dc6\uff1a\u5173\u8054\u4e0e\u7ee7\u627f \ud83d\udd04<\/h2>\n<p>UML \u5b9a\u4e49\u4e86\u51e0\u79cd\u5173\u7cfb\u7c7b\u578b\uff0c\u4f46\u5b66\u751f\u5e38\u5e38\u5728\u5e94\u8be5\u4f7f\u7528\u5173\u8054\u6216\u7ec4\u5408\u65f6\uff0c\u9ed8\u8ba4\u9009\u62e9\u7ee7\u627f\uff08\u6cdb\u5316\uff09\u3002\u8fd9\u5c31\u662f\u201c\u662f-\u4e00\u79cd\u201d\u4e0e\u201c\u6709-\u4e00\u79cd\u201d\u6df7\u6dc6\u7684\u95ee\u9898\u3002<\/p>\n<p><strong>\u5e38\u89c1\u9519\u8bef\uff1a<\/strong><\/p>\n<ul>\n<li>\u521b\u5efa\u4e00\u4e2a<code>\u4eba\u7c7b<\/code> \u7c7b\uff0c\u5e76\u8ba9<code>\u5458\u5de5<\/code> \u548c<code>\u5b66\u751f<\/code> \u4ece\u5b83\u7ee7\u627f\u3002<\/li>\n<li>\u8ba9\u4e00\u4e2a<code>\u50a8\u84c4\u8d26\u6237<\/code> \u7ee7\u627f\u81ea\u4e00\u4e2a<code>\u652f\u7968\u8d26\u6237<\/code> \u53ea\u662f\u56e0\u4e3a\u5b83\u4eec\u5171\u4eab\u4e00\u4e9b\u7279\u6027\u3002<\/li>\n<\/ul>\n<p><strong>\u4e3a\u4ec0\u4e48\u8fd9\u4f1a\u5931\u8d25\uff1a<\/strong><\/p>\n<p>\u7ee7\u627f\u610f\u5473\u7740\u4e25\u683c\u7684\u5c42\u6b21\u7ed3\u6784\u3002\u5982\u679c<code>\u5b66\u751f<\/code> \u4ece<code>\u5458\u5de5<\/code> \u7ee7\u627f\uff0c\u90a3\u4e48\u5b66\u751f\u5c31\u662f\u4e00\u79cd\u5458\u5de5\u3002\u8fd9\u8fdd\u53cd\u4e86\u5f00\u95ed\u539f\u5219\uff0c\u5e76\u8feb\u4f7f<code>\u5458\u5de5<\/code> \u7c7b\u5305\u542b\u4e0e\u5b66\u751f\u76f8\u5173\u7684\u903b\u8f91\u3002\u6b64\u5916\uff0c\u7ee7\u627f\u662f\u4e00\u79cd\u7d27\u5bc6\u8026\u5408\u673a\u5236\u3002\u7236\u7c7b\u7684\u66f4\u6539\u4f1a\u4f20\u9012\u5230\u6240\u6709\u5b50\u7c7b\uff0c\u5e26\u6765\u7ef4\u62a4\u98ce\u9669\u3002<\/p>\n<p><strong>\u6b63\u786e\u7684\u65b9\u6cd5\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528<strong>\u7ec4\u5408<\/strong> \u5f53\u4e00\u4e2a\u5bf9\u8c61\u62e5\u6709\u53e6\u4e00\u4e2a\u5bf9\u8c61\u65f6\u3002\u4e00\u4e2a <code>\u6c7d\u8f66<\/code> \u62e5\u6709 <code>\u53d1\u52a8\u673a<\/code> \u5bf9\u8c61\u3002\u5982\u679c\u53d1\u52a8\u673a\u635f\u574f\uff0c\u6c7d\u8f66\u5c31\u65e0\u6cd5\u4f7f\u7528\u3002<\/li>\n<li>\u4f7f\u7528 <strong>\u805a\u5408<\/strong> \u5f53\u5173\u7cfb\u8f83\u677e\u6563\u65f6\u3002\u4e00\u4e2a <code>\u7cfb<\/code> \u6709 <code>\u5b66\u751f<\/code>\uff0c\u4f46\u5b66\u751f\u53ef\u4ee5\u5728\u6ca1\u6709\u7cfb\u7684\u60c5\u51b5\u4e0b\u5b58\u5728\u3002<\/li>\n<li>\u4f7f\u7528 <strong>\u5173\u8054<\/strong> \u7528\u4e8e\u4e00\u822c\u8fde\u63a5\uff0c\u5176\u4e2d\u4e0d\u9690\u542b\u6240\u6709\u6743\u3002\u4e00\u4e2a <code>\u6559\u5e08<\/code> \u6559\u6388 <code>\u8bfe\u7a0b<\/code>.<\/li>\n<li>\u4fdd\u7559 <strong>\u7ee7\u627f<\/strong> \u7528\u4e8e\u771f\u6b63\u7684\u5b50\u7c7b\u578b\u5173\u7cfb\uff0c\u5176\u4e2d\u5b50\u7c7b\u662f\u7236\u7c7b\u7684\u7279\u6b8a\u7248\u672c\u3002<\/li>\n<\/ul>\n<h2>3. \u5ffd\u89c6\u53ef\u89c1\u6027\u4fee\u9970\u7b26 \ud83d\udd12<\/h2>\n<p>\u5c01\u88c5\u662f\u9762\u5411\u5bf9\u8c61\u8bbe\u8ba1\u7684\u6838\u5fc3\u652f\u67f1\u3002\u7136\u800c\uff0c\u5728\u8bb8\u591a\u56fe\u793a\u4e2d\uff0c\u6240\u6709\u5c5e\u6027\u548c\u65b9\u6cd5\u90fd\u88ab\u6807\u8bb0\u4e3a\u516c\u5171\u7684\u3002\u8fd9\u5c06\u5bf9\u8c61\u7684\u5185\u90e8\u72b6\u6001\u66b4\u9732\u7ed9\u5916\u90e8\u4e16\u754c\uff0c\u5141\u8bb8\u4efb\u610f\u4fee\u6539\u3002<\/p>\n<p><strong>\u5e38\u89c1\u9519\u8bef\uff1a<\/strong><\/p>\n<ul>\n<li>\u5728 <code>\u94f6\u884c\u8d26\u6237<\/code> \u7c7b\u4e2d\u7684\u6240\u6709\u5b57\u6bb5\u90fd\u88ab\u8bbe\u7f6e\u4e3a <code>+<\/code>\uff08\u516c\u5171\uff09\u3002<\/li>\n<li>\u672c\u5e94\u4f5c\u4e3a\u5185\u90e8\u8f85\u52a9\u65b9\u6cd5\u7684\u51fd\u6570\u88ab\u516c\u5f00\u66b4\u9732\u3002<\/li>\n<\/ul>\n<p><strong>\u4e3a\u4ec0\u4e48\u4f1a\u5931\u8d25\uff1a<\/strong><\/p>\n<p>\u5f53\u5c5e\u6027\u662f\u516c\u5f00\u7684\u65f6\uff0c\u7cfb\u7edf\u7684\u4efb\u4f55\u90e8\u5206\u90fd\u53ef\u4ee5\u4fee\u6539\u5b83\u4eec\u3002\u5982\u679c\u4e00\u4e2a<code>\u4f59\u989d<\/code>\u5c5e\u6027\u662f\u516c\u5f00\u7684\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u5c06\u5176\u8bbe\u7f6e\u4e3a -1000 \u800c\u4e0d\u4f1a\u89e6\u53d1\u9a8c\u8bc1\u903b\u8f91\u3002\u8fd9\u7ed5\u8fc7\u4e86\u4e1a\u52a1\u89c4\u5219\uff0c\u5bfc\u81f4\u6570\u636e\u635f\u574f\u3002\u540c\u65f6\uff0c\u7531\u4e8e\u5185\u90e8\u72b6\u6001\u672a\u53d7\u4fdd\u62a4\uff0c\u4e5f\u4f7f\u5f97\u7c7b\u66f4\u96be\u7ef4\u62a4\u3002<\/p>\n<p><strong>\u6b63\u786e\u505a\u6cd5\uff1a<\/strong><\/p>\n<ul>\n<li>\u5c06\u6570\u636e\u5c5e\u6027\u6807\u8bb0\u4e3a<code>-<\/code>\uff08\u79c1\u6709\uff09\u3002\u8fd9\u9690\u85cf\u4e86\u5b9e\u73b0\u7ec6\u8282\u3002<\/li>\n<li>\u5bf9\u4e8e\u5b9a\u4e49\u63a5\u53e3\u7684\u65b9\u6cd5\uff0c\u4f7f\u7528<code>#<\/code>\uff08\u53d7\u4fdd\u62a4\uff09\u3002\u8fd9\u5728\u73b0\u4ee3\u8bbe\u8ba1\u4e2d\u5f88\u5c11\u89c1\u3002<\/li>\n<li>\u5bf9\u4e8e\u5b9a\u4e49\u63a5\u53e3\u7684\u65b9\u6cd5\uff0c\u4f7f\u7528<code>+<\/code>\uff08\u516c\u5f00\uff09\u3002\u5982\u679c\u5141\u8bb8\u4fee\u6539\u6570\u636e\uff0c\u8bf7\u63d0\u4f9b\u5305\u542b\u9a8c\u8bc1\u903b\u8f91\u7684\u8bbe\u7f6e\u65b9\u6cd5\u3002<\/li>\n<\/ul>\n<h2>4. \u9ad8\u8026\u5408\u4e0e\u4f4e\u5185\u805a \ud83e\udde9<\/h2>\n<p>\u5185\u805a\u6027\u6307\u7684\u662f\u5355\u4e2a\u7c7b\u7684\u8d23\u4efb\u4e4b\u95f4\u7684\u5173\u8054\u7a0b\u5ea6\u3002\u8026\u5408\u6027\u6307\u7684\u662f\u4e00\u4e2a\u7c7b\u5bf9\u53e6\u4e00\u4e2a\u7c7b\u7684\u4f9d\u8d56\u7a0b\u5ea6\u3002\u5b66\u751f\u5e38\u5e38\u521b\u5efa\u804c\u8d23\u8fc7\u591a\uff08\u5185\u805a\u6027\u4f4e\uff09\u4e14\u4e25\u91cd\u4f9d\u8d56\u5176\u4ed6\u7c7b\uff08\u8026\u5408\u6027\u9ad8\uff09\u7684\u7c7b\u3002<\/p>\n<p><strong>\u5e38\u89c1\u9519\u8bef\uff1a<\/strong><\/p>\n<ul>\n<li>\u4e00\u4e2a<code>\u62a5\u544a\u751f\u6210\u5668<\/code>\u7c7b\uff0c\u8d1f\u8d23\u5904\u7406\u6570\u636e\u5e93\u8fde\u63a5\u3001\u6570\u636e\u83b7\u53d6\u3001\u683c\u5f0f\u5316\u548c\u6253\u5370\u3002<\/li>\n<li>\u4e00\u4e2a<code>\u7528\u6237\u7ba1\u7406\u5668<\/code>\u7c7b\uff0c\u5728\u5176\u65b9\u6cd5\u4e2d\u76f4\u63a5\u521b\u5efa<code>\u8ba2\u5355<\/code>\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<p><strong>\u4e3a\u4ec0\u4e48\u4f1a\u5931\u8d25\uff1a<\/strong><\/p>\n<p>\u5f53\u4e00\u4e2a\u7c7b\u804c\u8d23\u8fc7\u591a\u65f6\uff0c\u4fee\u6539\u4e00\u4e2a\u529f\u80fd\u5e38\u5e38\u4f1a\u7834\u574f\u53e6\u4e00\u4e2a\u529f\u80fd\u3002\u8fd9\u5c31\u662f\u6240\u8c13\u7684\u201c\u4e0a\u5e1d\u5bf9\u8c61\u201d\u53cd\u6a21\u5f0f\u3002\u9ad8\u8026\u5408\u4f7f\u5f97\u6d4b\u8bd5\u53d8\u5f97\u56f0\u96be\uff0c\u56e0\u4e3a\u8981\u6d4b\u8bd5\u4e00\u4e2a\u51fd\u6570\uff0c\u5fc5\u987b\u5b9e\u4f8b\u5316\u6574\u4e2a\u4f9d\u8d56\u94fe\u3002\u540c\u65f6\u4e5f\u4f1a\u964d\u4f4e\u53ef\u91cd\u7528\u6027\uff1b\u5728\u4e0d\u643a\u5e26\u5176\u4f9d\u8d56\u9879\u7684\u60c5\u51b5\u4e0b\uff0c\u65e0\u6cd5\u5728\u7cfb\u7edf\u5176\u4ed6\u90e8\u5206\u4f7f\u7528<code>\u62a5\u544a\u751f\u6210\u5668<\/code>\u3002<\/p>\n<p><strong>\u6b63\u786e\u7684\u65b9\u6cd5\uff1a<\/strong><\/p>\n<ul>\n<li>\u5e94\u7528<strong>\u5355\u4e00\u804c\u8d23\u539f\u5219<\/strong>\u3002\u4e00\u4e2a\u7c7b\u5e94\u8be5\u53ea\u6709\u4e00\u4e2a\u6539\u53d8\u7684\u539f\u56e0\u3002<\/li>\n<li>\u5f15\u5165\u4e2d\u95f4\u7c7b\u6216\u670d\u52a1\u6765\u5904\u7406\u7279\u5b9a\u4efb\u52a1\u3002\u5c06\u6570\u636e\u8bbf\u95ee\u5c42\u4e0e\u8868\u793a\u5c42\u5206\u79bb\u3002<\/li>\n<li>\u4f7f\u7528\u63a5\u53e3\u89e3\u8026\u4f9d\u8d56\u5173\u7cfb\u3002\u4f9d\u8d56\u62bd\u8c61\u800c\u975e\u5177\u4f53\u5b9e\u73b0\u3002<\/li>\n<\/ul>\n<h2>5. \u5faa\u73af\u4f9d\u8d56 \u26d3\ufe0f<\/h2>\n<p>\u7c7b\u56fe\u7406\u60f3\u60c5\u51b5\u4e0b\u5e94\u4e3a\u6709\u5411\u65e0\u73af\u56fe\uff08DAG\uff09\u3002\u5f53\u7c7bA\u4f9d\u8d56\u7c7bB\uff0c\u800c\u7c7bB\u53c8\u4f9d\u8d56\u7c7bA\u65f6\uff0c\u5c31\u4f1a\u51fa\u73b0\u5faa\u73af\u3002\u867d\u7136\u6709\u65f6\u4e0d\u53ef\u907f\u514d\uff0c\u4f46\u5728\u5b66\u751f\u8bbe\u8ba1\u4e2d\u8fd9\u901a\u5e38\u662f\u4e00\u4e2a\u8b66\u793a\u4fe1\u53f7\u3002<\/p>\n<p><strong>\u5e38\u89c1\u9519\u8bef\uff1a<\/strong><\/p>\n<ul>\n<li><code>\u5b66\u751f<\/code>\u6709\u4e00\u4e2a\u5bf9<code>\u8bfe\u7a0b<\/code>\uff0c\u800c<code>\u8bfe\u7a0b<\/code>\u6709\u4e00\u4e2a\u5bf9<code>\u5b66\u751f<\/code>\u7684\u5f15\u7528\uff0c\u76ee\u7684\u662f\u8ba1\u7b97\u6210\u7ee9\u3002<\/li>\n<li><code>\u8ba2\u5355<\/code>\u8c03\u7528<code>\u652f\u4ed8<\/code>\uff0c\u800c<code>\u652f\u4ed8<\/code>\u7acb\u5373\u66f4\u65b0<code>\u8ba2\u5355<\/code>\u72b6\u6001\u3002<\/li>\n<\/ul>\n<p><strong>\u4e3a\u4ec0\u4e48\u4f1a\u5931\u8d25\uff1a<\/strong><\/p>\n<p>\u5faa\u73af\u4f1a\u5bfc\u81f4\u7d27\u5bc6\u7684\u4f9d\u8d56\u5173\u7cfb\uff0c\u4f7f\u521d\u59cb\u5316\u53d8\u5f97\u56f0\u96be\u3002\u4f60\u65e0\u6cd5\u5728\u6ca1\u6709B\u7684\u60c5\u51b5\u4e0b\u521b\u5efaA\u7684\u5b9e\u4f8b\uff0c\u4e5f\u65e0\u6cd5\u5728\u6ca1\u6709A\u7684\u60c5\u51b5\u4e0b\u521b\u5efaB\u7684\u5b9e\u4f8b\u3002\u8fd9\u5e38\u5e38\u5bfc\u81f4\u5faa\u73af\u5f15\u7528\u9519\u8bef\u6216\u590d\u6742\u7684\u521d\u59cb\u5316\u6d41\u7a0b\u3002\u540c\u65f6\uff0c\u91cd\u6784\u4e5f\u53d8\u5f97\u5371\u9669\uff1b\u6539\u53d8\u4e00\u4e2a\u7c7b\u7684\u7ed3\u6784\u53ef\u80fd\u4f1a\u7834\u574f\u53e6\u4e00\u4e2a\u7c7b\u3002<\/p>\n<p><strong>\u6b63\u786e\u7684\u65b9\u6cd5\uff1a<\/strong><\/p>\n<ul>\n<li>\u5f15\u5165\u4e00\u4e2a\u4e2d\u95f4\u670d\u52a1\u3002\u8ba9\u4e00\u4e2a<code>\u8bc4\u5206\u670d\u52a1<\/code> \u7ba1\u7406\u2026\u2026\u4e4b\u95f4\u7684\u5173\u7cfb<code>\u5b66\u751f<\/code> \u548c <code>\u8bfe\u7a0b<\/code>.<\/li>\n<li>\u4f7f\u7528\u4e8b\u4ef6\u6216\u56de\u8c03\u3002\u800c\u4e0d\u662f<code>\u652f\u4ed8<\/code> \u76f4\u63a5\u66f4\u65b0 <code>\u8ba2\u5355<\/code> \u76f4\u63a5\u66f4\u65b0\uff0c\u5b83\u53ef\u4ee5\u53d1\u51fa\u4e00\u4e2a\u4e8b\u4ef6\uff0c\u8ba9 <code>\u8ba2\u5355<\/code> \u76d1\u542c\u3002<\/li>\n<li>\u9664\u975e\u4e1a\u52a1\u903b\u8f91\u7edd\u5bf9\u9700\u8981\uff0c\u5426\u5219\u907f\u514d\u53cc\u5411\u5bfc\u822a\u3002<\/li>\n<\/ul>\n<h2>6. \u7f3a\u5c11\u6216\u8fc7\u591a\u7684\u7ec6\u8282 \ud83d\udcdd<\/h2>\n<p>\u7c7b\u56fe\u662f\u4e00\u79cd\u6c9f\u901a\u5de5\u5177\u3002\u5b83\u5fc5\u987b\u5728\u9ad8\u5c42\u6b21\u67b6\u6784\u548c\u4f4e\u5c42\u6b21\u5b9e\u73b0\u7ec6\u8282\u4e4b\u95f4\u53d6\u5f97\u5e73\u8861\u3002<\/p>\n<p><strong>\u5e38\u89c1\u9519\u8bef\uff1a<\/strong><\/p>\n<ul>\n<li>\u5217\u51fa\u6bcf\u4e00\u4e2a\u53d8\u91cf\u540d\u548c\u65b9\u6cd5\u7b7e\u540d\uff0c\u4f7f\u56fe\u8868\u53d8\u6210\u4e00\u4efd\u89c4\u683c\u8bf4\u660e\u4e66\u3002<\/li>\n<li>\u5b8c\u5168\u7701\u7565\u5c5e\u6027\u548c\u65b9\u6cd5\uff0c\u4f7f\u56fe\u8868\u7f3a\u4e4f\u5b9e\u8d28\u5185\u5bb9\u3002<\/li>\n<\/ul>\n<p><strong>\u4e3a\u4ec0\u4e48\u4f1a\u5931\u8d25\uff1a<\/strong><\/p>\n<p>\u7ec6\u8282\u8fc7\u591a\u4f1a\u9020\u6210\u89c6\u89c9\u5e72\u6270\uff0c\u63a9\u76d6\u4e86\u91cd\u8981\u7684\u5173\u7cfb\u3002\u7ec6\u8282\u8fc7\u5c11\u5219\u4f7f\u56fe\u8868\u65e0\u6cd5\u6307\u5bfc\u5b9e\u73b0\uff0c\u65e0\u6cd5\u4f20\u8fbe\u6784\u5efa\u7cfb\u7edf\u6240\u5fc5\u9700\u7684\u7ea6\u675f\u548c\u903b\u8f91\u3002<\/p>\n<p><strong>\u6b63\u786e\u505a\u6cd5\uff1a<\/strong><\/p>\n<ul>\n<li>\u805a\u7126\u4e8e\u516c\u5171\u63a5\u53e3\u3002\u5c55\u793a\u4e0e\u5176\u4ed6\u7c7b\u4ea4\u4e92\u7684\u65b9\u6cd5\u3002<\/li>\n<li>\u5c06\u76f8\u5173\u7684\u5c5e\u6027\u5206\u7ec4\u3002\u5982\u679c\u4e00\u4e2a\u7c7b\u6709\u5341\u4e2a\u5c5e\u6027\uff0c\u53ef\u4ee5\u5bf9\u5176\u8fdb\u884c\u603b\u7ed3\uff0c\u6216\u5c55\u793a\u5b9a\u4e49\u8be5\u5b9e\u4f53\u7684\u5173\u952e\u5c5e\u6027\u3002<\/li>\n<li>\u4f7f\u7528\u6784\u9020\u578b\u6765\u8868\u793a\u884c\u4e3a\uff08\u4f8b\u5982\uff0c<code>&lt;&lt;service&gt;&gt;<\/code>, <code>&lt;&lt;entity&gt;&gt;<\/code>\uff09\u800c\u4e0d\u662f\u5217\u51fa\u6bcf\u4e00\u4e2agetter\/setter\u3002<\/li>\n<\/ul>\n<h2>7. \u547d\u540d\u89c4\u8303\u4e0e\u53ef\u8bfb\u6027 \ud83d\udcda<\/h2>\n<p>\u6e05\u6670\u7684\u547d\u540d\u81f3\u5173\u91cd\u8981\u3002\u65e0\u8bba\u56fe\u8868\u7ed3\u6784\u591a\u4e48\u51c6\u786e\uff0c\u5982\u679c\u4f7f\u7528\u4e86\u6666\u6da9\u96be\u61c2\u7684\u540d\u79f0\uff0c\u90fd\u96be\u4ee5\u7406\u89e3\u3002<\/p>\n<p><strong>\u5e38\u89c1\u9519\u8bef\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528\u50cf\u8fd9\u6837\u7684\u901a\u7528\u540d\u79f0\uff1a<code>Class1<\/code>, <code>ObjectA<\/code>, <code>Manager<\/code>.<\/li>\n<li>\u4e0d\u4e00\u81f4\u5730\u4f7f\u7528snake_case\u6216camelCase\u3002<\/li>\n<li>\u5728\u672a\u5b9a\u4e49\u7684\u60c5\u51b5\u4e0b\u4f7f\u7528\u7f29\u5199\uff08\u4f8b\u5982\uff0c<code>UI<\/code>, <code>DB<\/code>, <code>API<\/code>).<\/li>\n<\/ul>\n<p><strong>\u4e3a\u4ec0\u4e48\u8fd9\u4f1a\u5931\u8d25\uff1a<\/strong><\/p>\n<p>\u5982\u679c\u5229\u76ca\u76f8\u5173\u8005\u4e0d\u7406\u89e3\u672f\u8bed\uff0c\u4ed6\u4eec\u5c31\u65e0\u6cd5\u9a8c\u8bc1\u8bbe\u8ba1\u3002\u8fd9\u4f1a\u589e\u52a0\u4efb\u4f55\u9605\u8bfb\u56fe\u8868\u7684\u4eba\u7684\u8ba4\u77e5\u8d1f\u62c5\u3002\u6a21\u7cca\u6027\u4f1a\u5bfc\u81f4\u5b9e\u73b0\u9519\u8bef\u3002<\/p>\n<p><strong>\u6b63\u786e\u65b9\u6cd5\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528\u9886\u57df\u7279\u5b9a\u8bed\u8a00\u3002\u5982\u679c\u9886\u57df\u662f\u91d1\u878d\uff0c\u4f7f\u7528\u8bf8\u5982<code>Transaction<\/code>\u6216<code>Ledger<\/code>\uff0c\u800c\u4e0d\u662f<code>Record<\/code>.<\/li>\n<li>\u91c7\u7528\u4e00\u81f4\u7684\u547d\u540d\u7ea6\u5b9a\uff08\u4f8b\u5982\uff0c\u7c7b\u4f7f\u7528PascalCase\uff0c\u65b9\u6cd5\u4f7f\u7528camelCase\uff09\u3002<\/li>\n<li>\u786e\u4fdd\u540d\u79f0\u63cf\u8ff0\u7684\u662f\u89d2\u8272\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u7c7b\u578b\u3002<code>PaymentProcessor<\/code>\u6bd4<code>\u652f\u4ed8\u5904\u7406\u7a0b\u5e8f<\/code>.<\/li>\n<\/ul>\n<h2>\u5e38\u89c1\u9519\u8bef\u6458\u8981<\/h2>\n<p>\u4e0b\u8868\u603b\u7ed3\u4e86\u4e0a\u8ff0\u8ba8\u8bba\u7684\u9677\u9631\uff0c\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5feb\u901f\u53c2\u8003\u4ee5\u4fbf\u56de\u987e\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u9677\u9631<\/th>\n<th>\u6307\u793a<\/th>\n<th>\u540e\u679c<\/th>\n<th>\u7ea0\u6b63<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u8fc7\u5ea6\u8bbe\u8ba1<\/td>\n<td>\u4e3a\u5c0f\u4efb\u52a1\u8bbe\u8ba1\u4e86\u8fc7\u591a\u7684\u7c7b<\/td>\n<td>\u590d\u6742\u5ea6\u9ad8\uff0c\u96be\u4ee5\u5bfc\u822a<\/td>\n<td>\u6574\u5408\u76f8\u5173\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td>\u5173\u7cfb\u6df7\u6dc6<\/td>\n<td>\u5c06\u7ee7\u627f\u7528\u4e8e\u201c\u62e5\u6709\u201d\u5173\u7cfb<\/td>\n<td>\u7d27\u5bc6\u8026\u5408\uff0c\u50f5\u5316\u5c42\u7ea7<\/td>\n<td>\u4f7f\u7528\u7ec4\u5408\u6216\u5173\u8054<\/td>\n<\/tr>\n<tr>\n<td>\u53ef\u89c1\u6027\u95ee\u9898<\/td>\n<td>\u6240\u6709\u5b57\u6bb5\u90fd\u6807\u8bb0\u4e3a\u516c\u5171<\/td>\n<td>\u6570\u636e\u635f\u574f\uff0c\u5b89\u5168\u98ce\u9669<\/td>\n<td>\u4f7f\u7528\u79c1\u6709\u5c5e\u6027<\/td>\n<\/tr>\n<tr>\n<td>\u9ad8\u8026\u5408<\/td>\n<td>\u7c7b\u4f9d\u8d56\u4e8e\u592a\u591a\u5176\u4ed6\u7c7b<\/td>\n<td>\u96be\u4ee5\u6d4b\u8bd5\u548c\u91cd\u6784<\/td>\n<td>\u5e94\u7528\u5355\u4e00\u804c\u8d23\u539f\u5219<\/td>\n<\/tr>\n<tr>\n<td>\u5faa\u73af\u4f9d\u8d56<\/td>\n<td>A\u4f9d\u8d56\u4e8eB\uff0cB\u4f9d\u8d56\u4e8eA<\/td>\n<td>\u521d\u59cb\u5316\u9519\u8bef\uff0c\u5faa\u73af\u903b\u8f91<\/td>\n<td>\u5f15\u5165\u670d\u52a1\u6216\u4e8b\u4ef6<\/td>\n<\/tr>\n<tr>\n<td>\u7ec6\u8282\u5931\u8861<\/td>\n<td>\u4fe1\u606f\u8fc7\u591a\u6216\u8fc7\u5c11<\/td>\n<td>\u89c6\u89c9\u566a\u58f0\u6216\u6a21\u7cca\u6027<\/td>\n<td>\u5173\u6ce8\u516c\u5171\u63a5\u53e3<\/td>\n<\/tr>\n<tr>\n<td>\u547d\u540d\u4e0d\u4f73<\/td>\n<td>\u901a\u7528\u6216\u4e0d\u4e00\u81f4\u7684\u540d\u79f0<\/td>\n<td>\u8bef\u89e3\uff0c\u9519\u8bef<\/td>\n<td>\u4f7f\u7528\u9886\u57df\u8bed\u8a00<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u5ba1\u67e5\u4f60\u8bbe\u8ba1\u7684\u5b9e\u7528\u6b65\u9aa4 \ud83d\udd0d<\/h2>\n<p>\u5728\u6700\u7ec8\u786e\u5b9a\u56fe\u8868\u4e4b\u524d\uff0c\u5bf9\u7cfb\u7edf\u8fdb\u884c\u4e00\u6b21\u5fc3\u7406\u4e0a\u7684\u8d70\u67e5\u3002\u63d0\u51fa\u5177\u4f53\u95ee\u9898\u6765\u9a8c\u8bc1\u7ed3\u6784\u3002<\/p>\n<ul>\n<li><strong>\u6211\u53ef\u4ee5\u72ec\u7acb\u5b9e\u4f8b\u5316\u8fd9\u4e2a\u7c7b\u5417\uff1f<\/strong>\u5982\u679c\u4e0d\u80fd\uff0c\u5b83\u662f\u5426\u662f\u4e00\u4e2a\u590d\u5408\u90e8\u5206\uff1f<\/li>\n<li><strong>\u66f4\u6539\u8fd9\u4e2a\u7c7b\u4f1a\u7834\u574f\u5176\u4ed6\u7c7b\u5417\uff1f<\/strong>\u5982\u679c\u7b54\u6848\u662f\u80af\u5b9a\u7684\uff0c\u90a3\u4e48\u8026\u5408\u5ea6\u53ef\u80fd\u8fc7\u9ad8\u3002<\/li>\n<li><strong>\u540d\u79f0\u662f\u5426\u5177\u6709\u63cf\u8ff0\u6027\uff1f<\/strong>\u5728\u4e0d\u67e5\u770b\u65b9\u6cd5\u5217\u8868\u7684\u60c5\u51b5\u4e0b\uff0c\u5b83\u662f\u5426\u80fd\u8bf4\u660e\u5176\u7528\u9014\uff1f<\/li>\n<li><strong>\u8fd9\u4e9b\u5173\u7cfb\u662f\u5fc5\u8981\u7684\u5417\uff1f<\/strong>\u7cfb\u7edf\u80fd\u5426\u5728\u6ca1\u6709\u8fd9\u4e2a\u8fde\u63a5\u7684\u60c5\u51b5\u4e0b\u8fd0\u884c\uff1f<\/li>\n<\/ul>\n<p>\u8fed\u4ee3\u4f18\u5316\u662f\u5173\u952e\u3002\u4ece\u9ad8\u5c42\u6b21\u89c6\u56fe\u5f00\u59cb\uff0c\u9010\u6b65\u6dfb\u52a0\u7ec6\u8282\u3002\u7b2c\u4e00\u6b21\u5c1d\u8bd5\u65f6\u4e0d\u8981\u8bd5\u56fe\u753b\u51fa\u6bcf\u4e2a\u65b9\u6cd5\u3002\u4e13\u6ce8\u4e8e\u5b9e\u4f53\u53ca\u5176\u4e3b\u8981\u8fde\u63a5\u3002\u968f\u7740\u8bbe\u8ba1\u7684\u6f14\u8fdb\uff0c\u5220\u9664\u4e0d\u5fc5\u8981\u7684\u7c7b\uff0c\u5e76\u5408\u5e76\u90a3\u4e9b\u529f\u80fd\u76f8\u4f3c\u7684\u7c7b\u3002<\/p>\n<h2>\u7406\u89e3\u8d23\u4efb\u5206\u914d \ud83c\udfdb\ufe0f<\/h2>\n<p>\u5b66\u751f\u5728\u8d23\u4efb\u5206\u914d\u8fd9\u4e00\u5fae\u5999\u9886\u57df\u5e38\u5e38\u9047\u5230\u56f0\u96be\u3002\u5173\u952e\u95ee\u9898\u662f\uff1a\u201c\u8c01\u5e94\u8be5\u4e86\u89e3X\uff1f\u201d\u6216\u201c\u8c01\u5e94\u8be5\u6267\u884cY\uff1f\u201d<\/p>\n<p><strong>\u5e38\u89c1\u9519\u8bef\uff1a<\/strong><\/p>\n<ul>\n<li>\u5c06\u6240\u6709\u903b\u8f91\u90fd\u653e\u5728\u63a7\u5236\u5668\u6216\u4e3b\u7c7b\u4e2d\u3002<\/li>\n<li>\u8ba9\u6570\u636e\u5e93\u7c7b\u5904\u7406\u4e1a\u52a1\u89c4\u5219\u3002<\/li>\n<\/ul>\n<p><strong>\u4e3a\u4ec0\u4e48\u4f1a\u5931\u8d25\uff1a<\/strong><\/p>\n<p>\u8fd9\u8fdd\u53cd\u4e86\u201c\u4fe1\u606f\u4e13\u5bb6\u201d\u539f\u5219\u3002\u80fd\u591f\u6267\u884c\u67d0\u9879\u4efb\u52a1\u6240\u9700\u4fe1\u606f\u7684\u7c7b\uff0c\u5e94\u8be5\u7531\u8be5\u7c7b\u6765\u6267\u884c\u8fd9\u9879\u4efb\u52a1\u3002\u5982\u679c<code>\u8ba2\u5355<\/code>\u7c7b\u77e5\u9053\u5176\u603b\u4ef7\uff0c\u5c31\u5e94\u8be5\u7531\u5b83\u6765\u8ba1\u7b97\u603b\u4ef7\uff0c\u800c\u4e0d\u662f\u7531\u4e00\u4e2a\u5fc5\u987b\u5411<code>\u8ba1\u7b97\u5668<\/code>\u7c7b\u53bb\u8be2\u95ee<code>\u8ba2\u5355<\/code>\u7684\u9879\u76ee\u3002<\/p>\n<p><strong>\u6b63\u786e\u7684\u65b9\u6cd5\uff1a<\/strong><\/p>\n<ul>\n<li>\u5c06\u884c\u4e3a\u5206\u914d\u7ed9\u5305\u542b\u6570\u636e\u7684\u7c7b\u3002\u4e00\u4e2a<code>\u6c7d\u8f66<\/code>\u5e94\u8be5\u6709\u4e00\u4e2a<code>calculateFuelEfficiency()<\/code>\u65b9\u6cd5\uff0c\u56e0\u4e3a\u5b83\u77e5\u9053\u81ea\u5df1\u7684\u91cc\u7a0b\u6570\u3002<\/li>\n<li>\u4fdd\u6301\u6570\u636e\u8bbf\u95ee\u7c7b\u7684\u7b80\u5355\u6027\u3002\u5b83\u4eec\u5e94\u4e13\u6ce8\u4e8e\u6301\u4e45\u5316\uff0c\u800c\u4e0d\u662f\u903b\u8f91\u3002<\/li>\n<li>\u4f7f\u7528\u670d\u52a1\u5c42\u6765\u5904\u7406\u6d89\u53ca\u591a\u4e2a\u5b9e\u4f53\u7684\u590d\u6742\u7f16\u6392\u3002<\/li>\n<\/ul>\n<h2>\u7cdf\u7cd5\u8bbe\u8ba1\u7684\u4ee3\u4ef7 \ud83d\udcc9<\/h2>\n<p>\u5ffd\u89c6\u8fd9\u4e9b\u9677\u9631\u4e0d\u4ec5\u4f1a\u5bfc\u81f4\u56fe\u8868\u6742\u4e71\u65e0\u7ae0\uff0c\u8fd8\u4f1a\u5bfc\u81f4\u4ee3\u7801\u5e93\u53d8\u5f97\u8106\u5f31\u3002\u5f53\u7ed3\u6784\u5b58\u5728\u7f3a\u9677\u65f6\uff0c\u6dfb\u52a0\u65b0\u529f\u80fd\u5c31\u53d8\u6210\u4e86\u4fee\u8865\u6f0f\u6d1e\u7684\u8fc7\u7a0b\uff0c\u800c\u4e0d\u662f\u5efa\u9020\u65b0\u623f\u95f4\u3002\u6280\u672f\u503a\u52a1\u8fc5\u901f\u7d2f\u79ef\u3002\u7531\u4e8e\u5bf9\u8c61\u56fe\u8fc7\u4e8e\u590d\u6742\uff0c\u9519\u8bef\u66f4\u96be\u91cd\u73b0\u3002<\/p>\n<p>\u5728\u4e13\u4e1a\u73af\u5883\u4e2d\uff0c\u8fd9\u8868\u73b0\u4e3a\u5f00\u53d1\u5468\u671f\u66f4\u957f\u548c\u7ef4\u62a4\u6210\u672c\u66f4\u9ad8\u3002\u5728\u5b66\u751f\u9879\u76ee\u4e2d\uff0c\u8fd9\u901a\u5e38\u4f1a\u5bfc\u81f4\u6210\u7ee9\u964d\u4f4e\uff0c\u56e0\u4e3a\u89e3\u51b3\u65b9\u6848\u7f3a\u4e4f\u67b6\u6784\u4e0a\u7684\u5408\u7406\u6027\u3002\u56fe\u8868\u662f\u5e94\u5bf9\u8fd9\u4e9b\u95ee\u9898\u7684\u7b2c\u4e00\u9053\u9632\u7ebf\u3002<\/p>\n<h2>\u5173\u4e8e\u7ed3\u6784\u5b8c\u6574\u6027\u7684\u6700\u540e\u601d\u8003 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