{"id":1522,"date":"2026-03-29T04:34:37","date_gmt":"2026-03-29T04:34:37","guid":{"rendered":"https:\/\/www.viz-read.com\/cn\/object-diagram-best-practices-expert-guide\/"},"modified":"2026-03-29T04:34:37","modified_gmt":"2026-03-29T04:34:37","slug":"object-diagram-best-practices-expert-guide","status":"publish","type":"post","link":"https:\/\/www.viz-read.com\/cn\/object-diagram-best-practices-expert-guide\/","title":{"rendered":"\u5bf9\u8c61\u56fe\u6700\u4f73\u5b9e\u8df5\uff1a\u4e13\u5bb6\u4eec\u6709\u4f55\u4e0d\u540c\u4e4b\u5904\uff08\u4f60\u4e5f\u5e94\u8be5\u8fd9\u6837\u505a\uff09"},"content":{"rendered":"<p>\u521b\u5efa\u6709\u6548\u7684\u56fe\u8868\u662f\u4efb\u4f55\u6280\u672f\u4e13\u4e1a\u4eba\u5458\u7684\u5173\u952e\u6280\u80fd\u3002\u5728\u5404\u79cd\u53ef\u7528\u7684\u5efa\u6a21\u6280\u672f\u4e2d\uff0c\u5bf9\u8c61\u56fe\u56e0\u5176\u80fd\u591f\u63cf\u7ed8\u7cfb\u7edf\u5728\u7279\u5b9a\u65f6\u523b\u7684\u5feb\u7167\u800c\u8131\u9896\u800c\u51fa\u3002\u867d\u7136\u7c7b\u56fe\u63d0\u4f9b\u4e86\u84dd\u56fe\uff0c\u4f46\u5bf9\u8c61\u56fe\u5219\u5c55\u793a\u4e86\u5b9e\u9645\u4f7f\u7528\u7684\u6570\u636e\u7ed3\u6784\u3002\u672c\u6307\u5357\u63a2\u8ba8\u4e86\u533a\u5206\u9ad8\u8d28\u91cf\u5efa\u6a21\u4e0e\u7b80\u5355\u8349\u56fe\u7684\u7b56\u7565\u3002\u901a\u8fc7\u7406\u89e3\u5b9e\u4f8b\u7ba1\u7406\u3001\u5173\u7cfb\u6620\u5c04\u548c\u6587\u6863\u6807\u51c6\u7684\u7ec6\u5fae\u5dee\u522b\uff0c\u4f60\u53ef\u4ee5\u751f\u6210\u771f\u6b63\u4e3a\u5f00\u53d1\u751f\u547d\u5468\u671f\u589e\u6dfb\u4ef7\u503c\u7684\u6210\u679c\u3002<\/p>\n<p>\u8bb8\u591a\u56e2\u961f\u5c06\u5bf9\u8c61\u56fe\u89c6\u4e3a\u53ef\u6709\u53ef\u65e0\u7684\u9644\u52a0\u9879\u3002\u4e13\u5bb6\u4eec\u5219\u77e5\u9053\u5f97\u66f4\u591a\u3002\u4ed6\u4eec\u5229\u7528\u8fd9\u4e9b\u56fe\u8868\u6765\u9a8c\u8bc1\u590d\u6742\u903b\u8f91\uff0c\u5411\u5229\u76ca\u76f8\u5173\u8005\u4f20\u8fbe\u7cfb\u7edf\u72b6\u6001\uff0c\u5e76\u4f5c\u4e3a\u8c03\u8bd5\u7684\u53c2\u8003\u3002\u672c\u6587\u6df1\u5165\u63a2\u8ba8\u4e86\u63d0\u5347\u5efa\u6a21\u5de5\u4f5c\u7684\u5177\u4f53\u5b9e\u8df5\u3002\u6211\u4eec\u5c06\u6db5\u76d6\u4ece\u7b26\u53f7\u6807\u51c6\u5230\u521b\u5efa\u8fd9\u4e9b\u56fe\u8868\u65f6\u673a\u7684\u65b9\u65b9\u9762\u9762\u3002\u8ba9\u6211\u4eec\u9996\u5148\u660e\u786e\u9759\u6001\u7ed3\u6784\u4e0e\u52a8\u6001\u5b9e\u4f8b\u4e4b\u95f4\u7684\u57fa\u672c\u533a\u522b\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Hand-drawn infographic illustrating object diagram best practices: visual comparison of class vs object diagrams, six core practices (grouping by domain, proper labeling, multiplicity rules, composition vs aggregation, naming conventions, usage decision flow), common pitfalls to avoid (over-modeling, ignoring nulls, mixing abstraction levels, static assumptions), and pro tips for maintenance and collaboration, all rendered in thick-outline sketch style with muted watercolor fills on 16:9 canvas\" decoding=\"async\" src=\"https:\/\/www.viz-read.com\/wp-content\/uploads\/2026\/03\/object-diagram-best-practices-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>\u7406\u89e3\u5bf9\u8c61\u4e0e\u7c7b\u4e4b\u95f4\u7684\u6838\u5fc3\u533a\u522b 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\u7684\u6570\u636e\uff08\u4f8b\u5982\uff0c<code>\u5ba2\u6237\uff1a\u7ea6\u7ff0\u00b7\u591a\u4f0a<\/code>, <code>\u8ba2\u5355\uff1a#12345<\/code>).<\/li>\n<\/ul>\n<p>\u8fd9\u4e00\u533a\u522b\u662f\u6240\u6709\u540e\u7eed\u6700\u4f73\u5b9e\u8df5\u7684\u57fa\u7840\u3002\u5982\u679c\u4f60\u6df7\u6dc6\u4e86\u4e24\u8005\uff0c\u4f60\u7684\u56fe\u8868\u5c31\u4f1a\u5931\u53bb\u5b9e\u7528\u6027\u3002\u4e13\u5bb6\u4eec\u786e\u4fdd\u56fe\u8868\u4e2d\u7684\u6bcf\u4e2a\u6846\u90fd\u4ee3\u8868\u4e00\u4e2a\u5177\u4f53\u7684\u5b9e\u4f8b\uff0c\u800c\u4e0d\u662f\u4e00\u4e2a\u901a\u7528\u7c7b\u522b\u3002\u8fd9\u79cd\u6e05\u6670\u6027\u6709\u52a9\u4e8e\u5229\u76ca\u76f8\u5173\u8005\u51c6\u786e\u7406\u89e3\u5728\u7279\u5b9a\u65f6\u523b\u7cfb\u7edf\u4e2d\u5b58\u5728\u54ea\u4e9b\u6570\u636e\u3002<\/p>\n<p>\u8003\u8651\u4ee5\u4e0b\u573a\u666f\uff1a\u4e00\u4e2a\u94f6\u884c\u5e94\u7528\u7a0b\u5e8f\u3002\u7c7b\u56fe\u4f1a\u663e\u793a\u4e00\u4e2a <code>\u94f6\u884c\u8d26\u6237<\/code> \uff0c\u5176\u5c5e\u6027\u5305\u62ec <em>\u4f59\u989d<\/em> \u548c <em>\u8d26\u6237\u53f7\u7801<\/em>\u3002\u5bf9\u8c61\u56fe\u5219\u4f1a\u5c55\u793a\u4e00\u4e2a\u5177\u4f53\u7684\u8d26\u6237\uff0c\u4f8b\u5982 <code>\u8d26\u6237\uff1a555-1234<\/code> \u4e0e\u4e00\u4e2a <em>\u4f59\u989d<\/em> \u7684 <code>5000<\/code>\u3002\u7b2c\u4e8c\u79cd\u8868\u793a\u65b9\u6cd5\u80fd\u7acb\u5373\u63ed\u793a\u7cfb\u7edf\u72b6\u6001\uff0c\u8fd9\u5bf9\u6d4b\u8bd5\u548c\u8c03\u8bd5\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<h2>\u4e3a\u6e05\u6670\u5ea6\u548c\u53ef\u8bfb\u6027\u6784\u5efa\u4f60\u7684\u56fe\u8868 \ud83e\udded<\/h2>\n<p>\u89c6\u89c9\u5c42\u6b21\u5f88\u91cd\u8981\u3002\u6742\u4e71\u7684\u56fe\u8868\u548c\u7a7a\u767d\u56fe\u8868\u4e00\u6837\u65e0\u7528\u3002\u4e13\u5bb6\u4eec\u4f18\u5148\u8003\u8651\u5e03\u5c40\u548c\u5206\u7ec4\uff0c\u4ee5\u51cf\u8f7b\u8ba4\u77e5\u8d1f\u62c5\u3002\u4ed6\u4eec\u4e0d\u4f1a\u7b80\u5355\u5730\u5c06\u65b9\u6846\u968f\u610f\u5206\u5e03\u5728\u753b\u5e03\u4e0a\uff0c\u800c\u662f\u5c06\u5b9e\u4f8b\u7ec4\u7ec7\u6210\u53cd\u6620\u9886\u57df\u80cc\u666f\u7684\u903b\u8f91\u96c6\u7fa4\u3002<\/p>\n<h3>\u6309\u9886\u57df\u6216\u6a21\u5757\u5206\u7ec4<\/h3>\n<p>\u5f53\u7cfb\u7edf\u590d\u6742\u65f6\uff0c\u5bf9\u8c61\u56fe\u53ef\u80fd\u4f1a\u4ee4\u4eba\u96be\u4ee5\u627f\u53d7\u3002\u4e3a\u7f13\u89e3\u8fd9\u79cd\u60c5\u51b5\uff0c\u5c06\u76f8\u5173\u7684\u5b9e\u4f8b\u805a\u96c6\u5728\u4e00\u8d77\u3002\u5982\u679c\u4f60\u6b63\u5728\u5efa\u6a21\u4e00\u4e2a\u7535\u5b50\u5546\u52a1\u7ed3\u8d26\u6d41\u7a0b\uff0c\u5e94\u5c06 <code>\u8d2d\u7269\u8f66<\/code>, <code>\u8d2d\u7269\u8f66\u9879<\/code>\uff0c\u4ee5\u53ca <code>\u652f\u4ed8<\/code> \u5b9e\u4f8b\u5728\u89c6\u89c9\u4e0a\u5f7c\u6b64\u9760\u8fd1\u3002\u8fd9\u79cd\u63a5\u8fd1\u6027\u6697\u793a\u4e86\u903b\u8f91\u5173\u7cfb\uff0c\u800c\u65e0\u9700\u8fc7\u591a\u7684\u8fde\u63a5\u7ebf\u3002<\/p>\n<h3>\u6b63\u786e\u6807\u6ce8\u5b9e\u4f8b<\/h3>\n<p>\u6807\u51c6\u7b26\u53f7\u8981\u6c42\u5b9e\u4f8b\u540d\u79f0\u7528\u4e0b\u5212\u7ebf\u6807\u51fa\u6216\u524d\u9762\u52a0\u5192\u53f7\u3002\u4e13\u5bb6\u4eec\u4e25\u683c\u9075\u5b88\u8fd9\u4e00\u70b9\u3002\u50cf <code>\u8ba2\u5355: #9999<\/code> \u8fd9\u6837\u7684\u6807\u7b7e\u8fdc\u4f18\u4e8e\u4ec5\u4f7f\u7528 <code>\u8ba2\u5355<\/code>\u3002\u5b83\u80fd\u7acb\u5373\u533a\u5206\u5b9e\u4f8b\u4e0e\u7c7b\u7c7b\u578b\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u5e03\u5c40\u7ec4\u7ec7\u7684\u68c0\u67e5\u6e05\u5355\uff1a<\/p>\n<ul>\n<li><strong>\u4e00\u81f4\u7684\u95f4\u8ddd\uff1a<\/strong>\u4fdd\u6301\u65e0\u5173\u5b9e\u4f8b\u4e4b\u95f4\u7684\u8ddd\u79bb\u76f8\u7b49\u3002<\/li>\n<li><strong>\u903b\u8f91\u6d41\u7a0b\uff1a<\/strong>\u5c06\u56fe\u8868\u6309\u4ece\u5de6\u5230\u53f3\u6216\u4ece\u4e0a\u5230\u4e0b\u7684\u65b9\u5411\u6392\u5217\uff0c\u6a21\u62df\u6570\u636e\u6d41\u7a0b\u3002<\/li>\n<li><strong>\u6700\u5c0f\u4ea4\u53c9\uff1a<\/strong>\u5c3d\u91cf\u51cf\u5c11\u7ebf\u6761\u4e4b\u95f4\u7684\u4ea4\u53c9\u3002\u8fd9\u53ef\u4ee5\u964d\u4f4e\u89c6\u89c9\u5e72\u6270\u3002<\/li>\n<li><strong>\u805a\u7126\u533a\u57df\uff1a<\/strong>\u7a81\u51fa\u663e\u793a\u611f\u5174\u8da3\u7684\u7279\u5b9a\u533a\u57df\u3002\u5982\u679c\u4f60\u5728\u8bb0\u5f55\u4e00\u4e2a\u9519\u8bef\uff0c\u53ea\u9700\u5173\u6ce8\u5904\u4e8e\u8be5\u9519\u8bef\u72b6\u6001\u4e2d\u7684\u5bf9\u8c61\u3002<\/li>\n<\/ul>\n<h2>\u638c\u63e1\u591a\u91cd\u6027\u548c\u89d2\u8272\u540d\u79f0 \ud83c\udff7\ufe0f<\/h2>\n<p>\u5173\u7cfb\u662f\u5bf9\u8c61\u56fe\u7684\u751f\u547d\u7ebf\u3002\u5b83\u4eec\u5c55\u793a\u4e86\u5b9e\u4f8b\u4e4b\u95f4\u7684\u8fde\u63a5\u65b9\u5f0f\u3002\u7136\u800c\uff0c\u4e13\u5bb6\u4eec\u8d85\u8d8a\u4e86\u7b80\u5355\u7684\u8fde\u7ebf\u3002\u4ed6\u4eec\u4ed4\u7ec6\u5b9a\u4e49\u591a\u91cd\u6027\u548c\u89d2\u8272\u540d\u79f0\uff0c\u4ee5\u4f20\u8fbe\u7cbe\u786e\u7684\u4e1a\u52a1\u89c4\u5219\u3002<\/p>\n<p>\u591a\u91cd\u6027\u8868\u793a\u4e00\u4e2a\u7c7b\u7684\u5b9e\u4f8b\u53ef\u4ee5\u4e0e\u53e6\u4e00\u4e2a\u7c7b\u7684\u591a\u5c11\u4e2a\u5b9e\u4f8b\u76f8\u5173\u8054\u3002\u5728\u7c7b\u56fe\u4e2d\uff0c\u8fd9\u901a\u5e38\u53ea\u9700\u5b9a\u4e49\u4e00\u6b21\u3002\u4f46\u5728\u5bf9\u8c61\u56fe\u4e2d\uff0c\u5fc5\u987b\u5bf9\u6240\u5c55\u793a\u7684\u5177\u4f53\u5b9e\u4f8b\u6210\u7acb\u3002\u5982\u679c\u4f60\u753b\u4e86\u4e00\u6761\u5173\u7cfb\u7ebf\uff0c\u5c31\u5fc5\u987b\u786e\u4fdd\u8fde\u63a5\u7684\u6570\u91cf\u7b26\u5408\u591a\u91cd\u6027\u7ea6\u675f\u3002<\/p>\n<p>\u89d2\u8272\u540d\u79f0\u5b9a\u4e49\u4e86\u5173\u7cfb\u7684\u4e0a\u4e0b\u6587\u3002\u4f8b\u5982\uff0c\u5728\u201c<code>\u7ecf\u7406<\/code>\u201d\u548c\u201c<code>\u5458\u5de5<\/code>\u201d\u4e4b\u95f4\u7684\u5173\u7cfb\u4e2d\uff0c<code>\u7ecf\u7406<\/code>\u201d\u4e00\u65b9\u7684\u89d2\u8272\u53ef\u80fd\u662f<em>\u4e3b\u7ba1<\/em>\uff0c\u800c\u201c<code>\u5458\u5de5<\/code>\u201d\u4e00\u65b9\u7684\u89d2\u8272\u53ef\u80fd\u662f<em>\u4e0b\u5c5e<\/em>\u3002\u5305\u542b\u8fd9\u4e9b\u540d\u79f0\u53ef\u4ee5\u589e\u52a0\u8bed\u4e49\u610f\u4e49\uff0c\u8fd9\u662f\u901a\u7528\u5173\u8054\u7ebf\u6240\u4e0d\u5177\u5907\u7684\u3002<\/p>\n<h3>\u5173\u7cfb\u7684\u5173\u952e\u8003\u8651\u56e0\u7d20<\/h3>\n<ul>\n<li><strong>\u4e00\u5bf9\u4e00\uff1a<\/strong> \u786e\u4fdd\u53ea\u6709\u4e00\u4e2a\u8fde\u63a5\u3002\u9664\u975e\u4ee3\u8868\u4e0d\u540c\u7684\u5173\u7cfb\u7c7b\u578b\uff0c\u5426\u5219\u4e0d\u8981\u5411\u540c\u4e00\u76ee\u6807\u7ed8\u5236\u591a\u6761\u7ebf\u3002<\/li>\n<li><strong>\u4e00\u5bf9\u591a\uff1a<\/strong> \u663e\u793a\u6d89\u53ca\u7684\u5177\u4f53\u5b9e\u4f8b\u6570\u91cf\u3002\u5982\u679c\u7ea6\u675f\u662f1..*\uff0c\u5982\u679c\u4f60\u60f3\u5c55\u793a\u201c\u591a\u201d\u7684\u4e00\u65b9\uff0c\u81f3\u5c11\u8981\u663e\u793a\u4e24\u4e2a\u5b9e\u4f8b\u3002<\/li>\n<li><strong>\u96f6\u5bf9\u591a\uff1a<\/strong> \u660e\u786e\u5c55\u793a\u4e00\u4e2a\u6ca1\u6709\u5173\u7cfb\u7684\u5b9e\u4f8b\uff0c\u4ee5\u8bf4\u660e\u201c\u96f6\u201d\u7684\u53ef\u80fd\u6027\u3002<\/li>\n<li><strong>\u5bfc\u822a\uff1a<\/strong> \u6307\u660e\u8bbf\u95ee\u65b9\u5411\u3002\u5e76\u975e\u6240\u6709\u5173\u7cfb\u90fd\u662f\u53cc\u5411\u7684\u3002\u4f7f\u7528\u7bad\u5934\u8868\u793a\u6570\u636e\u6d41\u52a8\u7684\u65b9\u5411\u6216\u5f15\u7528\u5b58\u50a8\u7684\u4f4d\u7f6e\u3002<\/li>\n<\/ul>\n<h2>\u5904\u7406\u590d\u6742\u7684\u5173\u7cfb\u4e0e\u5173\u8054 \ud83d\udd17<\/h2>\n<p>\u73b0\u5b9e\u4e16\u754c\u4e2d\u7684\u7cfb\u7edf\u5f88\u5c11\u662f\u7b80\u5355\u7684\u3002\u4e13\u5bb6\u4f1a\u9047\u5230\u591a\u4e2a\u5bf9\u8c61\u540c\u65f6\u4ea4\u4e92\u7684\u573a\u666f\u3002\u805a\u5408\u3001\u7ec4\u5408\u548c\u4f9d\u8d56\u5173\u7cfb\u9700\u8981\u8c28\u614e\u5904\u7406\uff0c\u4ee5\u907f\u514d\u6b67\u4e49\u3002<\/p>\n<h3>\u7ec4\u5408\u4e0e\u805a\u5408<\/h3>\n<p>\u8fd9\u4e9b\u5173\u7cfb\u5b9a\u4e49\u4e86\u6240\u6709\u6743\u3002\u7ec4\u5408\u8868\u793a\u5f3a\u751f\u547d\u5468\u671f\u4f9d\u8d56\u3002\u5982\u679c\u7236\u5bf9\u8c61\u88ab\u9500\u6bc1\uff0c\u5b50\u5bf9\u8c61\u4e5f\u968f\u4e4b\u6d88\u5931\u3002\u805a\u5408\u8868\u793a\u8f83\u5f31\u7684\u5173\u8054\u3002\u5b50\u5bf9\u8c61\u53ef\u4ee5\u72ec\u7acb\u5b58\u5728\u3002<\/p>\n<p>\u5728\u5bf9\u8c61\u56fe\u4e2d\uff0c\u4f60\u901a\u8fc7\u89c6\u89c9\u65b9\u5f0f\u8868\u793a\u8fd9\u4e00\u70b9\u3002\u7136\u800c\uff0c\u6587\u5b57\u63cf\u8ff0\u540c\u6837\u91cd\u8981\u3002\u4e13\u5bb6\u4f1a\u7528\u7b80\u77ed\u7684\u6ce8\u91ca\u6807\u6ce8\u590d\u6742\u5173\u8054\uff0c\u89e3\u91ca\u751f\u547d\u5468\u671f\u89c4\u5219\u3002\u8fd9\u53ef\u4ee5\u9632\u6b62\u5f00\u53d1\u4eba\u5458\u5728\u672c\u4e0d\u5b58\u5728\u72ec\u7acb\u6027\u7684\u60c5\u51b5\u4e0b\u9519\u8bef\u5730\u5047\u8bbe\u5176\u72ec\u7acb\u3002<\/p>\n<h3>\u8de8\u8fb9\u754c\u94fe\u63a5\u5b9e\u4f8b<\/h3>\n<p>\u5728\u5efa\u6a21\u5206\u5e03\u5f0f\u7cfb\u7edf\u65f6\uff0c\u5bf9\u8c61\u53ef\u80fd\u4f4d\u4e8e\u4e0d\u540c\u7684\u73af\u5883\u4e2d\u3002\u4e13\u5bb6\u4f7f\u7528\u865a\u7ebf\u6216\u7279\u5b9a\u7b26\u53f7\u6765\u8868\u793a\u8de8\u8d8a\u7cfb\u7edf\u8fb9\u754c\u7684\u94fe\u63a5\u3002\u8fd9\u79cd\u533a\u5206\u6709\u52a9\u4e8e\u7406\u89e3\u7f51\u7edc\u5ef6\u8fdf\u548c\u6570\u636e\u540c\u6b65\u9700\u6c42\u3002\u5b83\u8fd8\u6709\u52a9\u4e8e\u8bc6\u522b\u6570\u636e\u4e00\u81f4\u6027\u53ef\u80fd\u5b58\u5728\u95ee\u9898\u7684\u4f4d\u7f6e\u3002<\/p>\n<h2>\u547d\u540d\u89c4\u8303\u7684\u4e00\u81f4\u6027 \ud83d\udcdd<\/h2>\n<p>\u547d\u540d\u662f\u6c9f\u901a\u7684\u7b2c\u4e00\u6b65\u3002\u547d\u540d\u4e0d\u4e00\u81f4\u4f1a\u5bfc\u81f4\u6df7\u6dc6\u3002\u4e13\u5bb6\u5bf9\u7c7b\u548c\u5b9e\u4f8b\u90fd\u9075\u5faa\u4e25\u683c\u7684\u547d\u540d\u89c4\u8303\u3002\u8fd9\u79cd\u4e00\u81f4\u6027\u786e\u4fdd\u4efb\u4f55\u9605\u8bfb\u56fe\u8868\u7684\u4eba\u90fd\u80fd\u6beb\u4e0d\u8fdf\u7591\u5730\u5c06\u5176\u6620\u5c04\u56de\u4ee3\u7801\u5e93\u3002<\/p>\n<p>\u5e38\u89c1\u7684\u89c4\u8303\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u7c7b\u540d\uff1a<\/strong> \u4f7f\u7528\u5e15\u65af\u5361\u547d\u540d\u6cd5\uff08\u4f8b\u5982\uff0c<code>CustomerOrder<\/code>).<\/li>\n<li><strong>\u5b9e\u4f8b\u540d\uff1a<\/strong> \u4f7f\u7528\u9a7c\u5cf0\u547d\u540d\u6cd5\u6216\u5e26\u524d\u7f00\u7684\u5c0f\u5199\u5f62\u5f0f\uff08\u4f8b\u5982\uff0c<code>cust: John<\/code> \u6216 <code>order1<\/code>).<\/li>\n<li><strong>\u5c5e\u6027\u540d\uff1a<\/strong> \u53d8\u91cf\u4f7f\u7528\u9a7c\u5cf0\u547d\u540d\u6cd5\uff08\u4f8b\u5982\uff0c<code>accountBalance<\/code>).<\/li>\n<li><strong>\u65b9\u6cd5\u540d\uff1a<\/strong> \u64cd\u4f5c\u4f7f\u7528\u9a7c\u5cf0\u547d\u540d\u6cd5\uff08\u4f8b\u5982\uff0c<code>calculateTotal<\/code>).<\/li>\n<\/ul>\n<p>\u540c\u6837\u91cd\u8981\u7684\u662f\u907f\u514d\u4f7f\u7528\u50cf\u8fd9\u6837\u7684\u901a\u7528\u540d\u79f0<code>obj1<\/code> \u6216 <code>temp<\/code>\u3002\u867d\u7136\u8fd9\u4e9b\u540d\u79f0\u53ef\u80fd\u8db3\u4ee5\u7528\u4e8e\u5feb\u901f\u8349\u56fe\uff0c\u4f46\u751f\u4ea7\u73af\u5883\u4e2d\u7684\u56fe\u8868\u9700\u8981\u5177\u6709\u63cf\u8ff0\u6027\u7684\u540d\u79f0\u3002<code>customer: Smith<\/code> \u6bd4 <code>\u5ba2\u6237\uff1a1<\/code>\u63cf\u8ff0\u6027\u540d\u79f0\u4f7f\u5f97\u5373\u4f7f\u6ca1\u6709\u4ee3\u7801\u5b58\u5728\uff0c\u8be5\u56fe\u4e5f\u80fd\u5145\u5f53\u6587\u6863\u3002<\/p>\n<h2>\u4f55\u65f6\u521b\u5efa\u5bf9\u8c61\u56fe\u4e0e\u5176\u4ed6UML\u6a21\u578b\u7684\u5bf9\u6bd4 \ud83d\udea6<\/h2>\n<p>\u5e76\u975e\u6bcf\u4e2a\u573a\u666f\u90fd\u9700\u8981\u5bf9\u8c61\u56fe\u3002\u4e13\u5bb6\u77e5\u9053\u4f55\u65f6\u4f7f\u7528\u8fd9\u4e00\u7279\u5b9a\u5de5\u5177\uff0c\u4f55\u65f6\u4f9d\u8d56\u7c7b\u56fe\u6216\u987a\u5e8f\u56fe\u3002\u4f7f\u7528\u9519\u8bef\u7684\u6a21\u578b\u4f1a\u6d6a\u8d39\u65f6\u95f4\u5e76\u524a\u5f31\u4fe1\u606f\u7684\u4f20\u8fbe\u3002<\/p>\n<p>\u4e0b\u8868\u6982\u8ff0\u4e86\u56fe\u8868\u9009\u62e9\u7684\u51b3\u7b56\u77e9\u9635\uff1a<\/p>\n<table>\n<thead>\n<tr>\n<th>\u76ee\u6807<\/th>\n<th>\u63a8\u8350\u56fe\u8868<\/th>\n<th>\u539f\u56e0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5b9a\u4e49\u7cfb\u7edf\u7ed3\u6784<\/td>\n<td>\u7c7b\u56fe<\/td>\n<td>\u5173\u6ce8\u7c7b\u578b\u548c\u5173\u7cfb\uff0c\u800c\u975e\u5177\u4f53\u6570\u636e\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5c55\u793a\u52a8\u6001\u884c\u4e3a<\/td>\n<td>\u987a\u5e8f\u56fe<\/td>\n<td>\u5c55\u793a\u968f\u65f6\u95f4\u63a8\u79fb\u7684\u6d88\u606f\u6d41\u52a8\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5c55\u793a\u7279\u5b9a\u6570\u636e\u72b6\u6001<\/td>\n<td>\u5bf9\u8c61\u56fe<\/td>\n<td>\u5c55\u793a\u786e\u5207\u7684\u503c\u548c\u5b9e\u4f8b\u8fde\u63a5\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5b9a\u4e49\u751f\u547d\u5468\u671f\u72b6\u6001<\/td>\n<td>\u72b6\u6001\u673a\u56fe<\/td>\n<td>\u8ddf\u8e2a\u5355\u4e2a\u5bf9\u8c61\u7684\u72b6\u6001\u8f6c\u6362\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5982\u679c\u4f60\u9700\u8981\u9a8c\u8bc1\u67d0\u4e2a\u7279\u5b9a\u7684\u6d4b\u8bd5\u7528\u4f8b\uff0c\u5bf9\u8c61\u56fe\u662f\u7406\u60f3\u9009\u62e9\u3002\u5b83\u5c55\u793a\u4e86\u8f93\u5165\uff08\u5b9e\u4f8b\uff09\u548c\u9884\u671f\u7684\u5173\u7cfb\u3002\u5982\u679c\u4f60\u5728\u8bbe\u8ba1\u67b6\u6784\uff0c\u7c7b\u56fe\u5219\u66f4\u4e3a\u5408\u9002\u3002\u4e13\u5bb6\u4f1a\u968f\u7740\u9879\u76ee\u8fdb\u5c55\u5728\u8fd9\u4e9b\u6a21\u578b\u4e4b\u95f4\u5207\u6362\uff0c\u786e\u4fdd\u6587\u6863\u4e0e\u5f00\u53d1\u7684\u5f53\u524d\u9636\u6bb5\u4fdd\u6301\u4e00\u81f4\u3002<\/p>\n<h2>\u5e38\u89c1\u9677\u9631\u4f1a\u635f\u5bb3\u56fe\u8868\u8d28\u91cf \ud83d\udeab<\/h2>\n<p>\u5373\u4f7f\u7ecf\u9a8c\u4e30\u5bcc\u7684\u5efa\u6a21\u8005\u4e5f\u53ef\u80fd\u9677\u5165\u9677\u9631\u3002\u907f\u514d\u8fd9\u4e9b\u5e38\u89c1\u9519\u8bef\uff0c\u4e0e\u9075\u5faa\u6700\u4f73\u5b9e\u8df5\u540c\u6837\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f1a\u964d\u4f4e\u56fe\u8868\u4ef7\u503c\u7684\u9677\u9631\u3002<\/p>\n<h3>1. \u8fc7\u5ea6\u5efa\u6a21<\/h3>\n<p>\u4e0d\u8981\u8bd5\u56fe\u7ed8\u5236\u6bcf\u4e00\u4e2a\u53ef\u80fd\u7684\u5bf9\u8c61\u3002\u5bf9\u8c61\u56fe\u5e94\u4ee3\u8868\u4e00\u4e2a\u7279\u5b9a\u7684\u573a\u666f\u6216\u72b6\u6001\u3002\u5c06\u7cfb\u7edf\u4e2d\u7684\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u5305\u542b\u8fdb\u6765\uff0c\u4f1a\u5bfc\u81f4\u4e00\u4e2a\u65e0\u6cd5\u9605\u8bfb\u7684\u590d\u6742\u7f51\u7edc\u3002\u5e94\u4e13\u6ce8\u4e8e\u4e0e\u5f53\u524d\u8ba8\u8bba\u76f8\u5173\u7684\u4e00\u5c0f\u90e8\u5206\u5bf9\u8c61\u3002<\/p>\n<h3>2. \u5ffd\u89c6\u7a7a\u503c<\/h3>\n<p>\u53ef\u9009\u5c5e\u6027\u901a\u5e38\u5305\u542b\u7a7a\u503c\u3002\u5f53\u91cd\u8981\u65f6\uff0c\u4e13\u5bb6\u4f1a\u660e\u786e\u8868\u793a\u8fd9\u4e00\u70b9\u3002\u5982\u679c\u67d0\u4e2a\u5c5e\u6027\u5bf9\u903b\u8f91\u81f3\u5173\u91cd\u8981\uff0c\u663e\u793a\u7a7a\u503c\u53ef\u4ee5\u89e3\u91ca\u4e3a\u4f55\u67d0\u4e2a\u5173\u7cfb\u53ef\u80fd\u4e0d\u5b58\u5728\u3002\u5ffd\u7565\u8fd9\u4e00\u70b9\u53ef\u80fd\u5bfc\u81f4\u5173\u4e8e\u6570\u636e\u53ef\u7528\u6027\u7684\u9519\u8bef\u5047\u8bbe\u3002<\/p>\n<h3>3. 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