{"id":1724,"date":"2026-03-30T06:34:26","date_gmt":"2026-03-30T06:34:26","guid":{"rendered":"https:\/\/www.viz-read.com\/cn\/why-object-diagrams-essential-software-design-assignment\/"},"modified":"2026-03-30T06:34:26","modified_gmt":"2026-03-30T06:34:26","slug":"why-object-diagrams-essential-software-design-assignment","status":"publish","type":"post","link":"https:\/\/www.viz-read.com\/cn\/why-object-diagrams-essential-software-design-assignment\/","title":{"rendered":"\u4e3a\u4ec0\u4e48\u5bf9\u8c61\u56fe\u5bf9\u4e8e\u4f60\u7684\u9996\u4e2a\u8f6f\u4ef6\u8bbe\u8ba1\u4f5c\u4e1a\u81f3\u5173\u91cd\u8981"},"content":{"rendered":"<p>\u5728\u5f00\u59cb\u8f6f\u4ef6\u8bbe\u8ba1\u4f5c\u4e1a\u65f6\uff0c\u4ece\u6982\u5ff5\u5230\u4ee3\u7801\u7684\u8def\u5f84\u5f80\u5f80\u611f\u89c9\u50cf\u662f\u5728\u6ca1\u6709\u5730\u56fe\u7684\u60c5\u51b5\u4e0b\u7a7f\u8d8a\u8ff7\u5bab\u3002\u5b66\u751f\u548c\u521d\u7ea7\u5de5\u7a0b\u5e08\u5f80\u5f80\u8fc7\u4e8e\u5173\u6ce8\u7c7b\u7ed3\u6784\uff0c\u5374\u5fd8\u8bb0\u4e86\u7c7b\u4ec5\u4ec5\u662f\u84dd\u56fe\u3002\u8981\u771f\u6b63\u7406\u89e3\u7cfb\u7edf\u5728\u8fd0\u884c\u65f6\u5982\u4f55\u8fd0\u4f5c\uff0c\u5c31\u5fc5\u987b\u53ef\u89c6\u5316\u5728\u7279\u5b9a\u65f6\u523b\u5b9e\u9645\u5b58\u5728\u7684\u5bf9\u8c61\u5b9e\u4f8b\u3002\u8fd9\u6b63\u662f\u5bf9\u8c61\u56fe\u4e0d\u53ef\u6216\u7f3a\u7684\u539f\u56e0\u3002\u5b83\u63d0\u4f9b\u4e86\u7cfb\u7edf\u7684\u5177\u4f53\u5feb\u7167\uff0c\u5c06\u62bd\u8c61\u7406\u8bba\u8f6c\u5316\u4e3a\u53ef\u611f\u77e5\u7684\u73b0\u5b9e\u3002\ud83e\udde9<\/p>\n<p>\u672c\u6307\u5357\u63a2\u8ba8\u4e86\u5bf9\u8c61\u56fe\u5728\u8f6f\u4ef6\u8bbe\u8ba1\u4f5c\u4e1a\u4e2d\u53d1\u6325\u7684\u5173\u952e\u4f5c\u7528\u3002\u6211\u4eec\u5c06\u5256\u6790\u5176\u76ee\u7684\uff0c\u5c06\u5176\u4e0e\u76f8\u5173\u6a21\u578b\u533a\u5206\u5f00\u6765\uff0c\u5e76\u6982\u8ff0\u5b83\u4eec\u5982\u4f55\u63d0\u5347\u4f60\u5de5\u4f5c\u7684\u6e05\u6670\u5ea6\u4e0e\u7cbe\u786e\u6027\u3002\u5230\u7ed3\u675f\u65f6\uff0c\u4f60\u5c06\u660e\u767d\u4e3a\u4ec0\u4e48\u8fd9\u4e00\u7279\u5b9a\u4ea7\u7269\u4e0d\u4ec5\u662f\u4e00\u9879\u5b66\u672f\u8981\u6c42\uff0c\u66f4\u662f\u5b9e\u73b0\u7a33\u5065\u5de5\u7a0b\u7684\u5b9e\u7528\u5de5\u5177\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Marker illustration infographic: Object diagrams vs class diagrams in software design, showing snapshot instances, key characteristics, benefits for validation and testing, step-by-step creation guide, and library system example with Book and Person objects\" decoding=\"async\" src=\"https:\/\/www.viz-read.com\/wp-content\/uploads\/2026\/03\/object-diagrams-software-design-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>\u7406\u89e3\u5bf9\u8c61\u56fe \ud83e\udde0<\/h2>\n<p>\u5bf9\u8c61\u56fe\u662f\u4e00\u79cd\u9759\u6001\u7ed3\u6784\u56fe\uff0c\u7528\u4e8e\u8868\u793a\u5728\u7279\u5b9a\u65f6\u95f4\u70b9\u7684\u4e00\u7ec4\u5177\u4f53\u5bf9\u8c61\u53ca\u5176\u5173\u7cfb\u3002\u4e0e\u5b9a\u4e49\u6a21\u677f\u6216\u7ed3\u6784\u7684\u7c7b\u56fe\u4e0d\u540c\uff0c\u5bf9\u8c61\u56fe\u63cf\u7ed8\u7684\u662f\u5b9e\u9645\u6570\u636e\u3002\u53ef\u4ee5\u5c06\u7c7b\u56fe\u6bd4\u4f5c\u5efa\u7b51\u7269\u7684\u5efa\u7b51\u56fe\u7eb8\uff0c\u800c\u5bf9\u8c61\u56fe\u5219\u662f\u8be5\u5efa\u7b51\u5728\u6709\u4eba\u5c45\u4f4f\u65f6\u7684\u7167\u7247\u3002\ud83c\udfe2<\/p>\n<p>\u5728\u4f60\u7684\u9996\u4e2a\u4f5c\u4e1a\u80cc\u666f\u4e0b\uff0c\u8fd9\u79cd\u533a\u5206\u81f3\u5173\u91cd\u8981\u3002\u6559\u6388\u548c\u8bc4\u5ba1\u4eba\u5458\u5e0c\u671b\u770b\u5230\u4f60\u4e0d\u4ec5\u7406\u89e3\u7cfb\u7edf\u662f\u5982\u4f55\u5b9a\u4e49\u7684\uff0c\u8fd8\u7406\u89e3\u5b83\u5728\u88ab\u5b9e\u4f8b\u5316\u65f6\u5982\u4f55\u884c\u4e3a\u3002\u5bf9\u8c61\u56fe\u5f25\u5408\u4e86\u6570\u636e\u7684\u9759\u6001\u5b9a\u4e49\u4e0e\u4fe1\u606f\u52a8\u6001\u6d41\u4e4b\u95f4\u7684\u9e3f\u6c9f\u3002<\/p>\n<h3>\u5173\u952e\u7279\u5f81<\/h3>\n<ul>\n<li><strong>\u5feb\u7167\u89c6\u56fe\uff1a<\/strong>\u5b83\u6355\u6349\u7cfb\u7edf\u5728\u7279\u5b9a\u77ac\u95f4\u7684\u72b6\u6001\u3002<\/li>\n<li><strong>\u5b9e\u4f8b\u805a\u7126\uff1a<\/strong>\u5b83\u5904\u7406\u7684\u662f\u5177\u4f53\u5bf9\u8c61\uff0c\u800c\u975e\u901a\u7528\u7c7b\u3002<\/li>\n<li><strong>\u5173\u7cfb\uff1a<\/strong>\u5b83\u663e\u793a\u5bf9\u8c61\u4e4b\u95f4\u7684\u94fe\u63a5\uff0c\u53cd\u6620\u4e86\u7c7b\u6a21\u578b\u4e2d\u7684\u5173\u8054\u5173\u7cfb\u3002<\/li>\n<li><strong>\u5c5e\u6027\u503c\uff1a<\/strong>\u4e0e\u5217\u51fa\u7c7b\u578b\u7684\u7c7b\u56fe\u4e0d\u540c\uff0c\u5bf9\u8c61\u56fe\u5217\u51fa\u5206\u914d\u7ed9\u5c5e\u6027\u7684\u5b9e\u9645\u503c\u3002<\/li>\n<\/ul>\n<h2>\u5bf9\u8c61\u56fe\u4e0e\u7c7b\u56fe\u5bf9\u6bd4 \ud83c\udd9a<\/h2>\n<p>\u521d\u5b66\u8005\u5728\u8fd9\u4e24\u79cd\u6a21\u578b\u4e4b\u95f4\u4ea7\u751f\u6df7\u6dc6\u662f\u5f88\u5e38\u89c1\u7684\u3002\u4e3a\u4e86\u786e\u4fdd\u4f60\u7684\u4f5c\u4e1a\u5c55\u73b0\u51fa\u6df1\u523b\u7684\u7406\u89e3\uff0c\u4f60\u5fc5\u987b\u6e05\u6670\u5730\u533a\u5206\u5b83\u4eec\u3002\u4e0b\u8868\u7a81\u51fa\u4e86\u5b83\u4eec\u5728\u7ed3\u6784\u548c\u529f\u80fd\u4e0a\u7684\u5dee\u5f02\u3002<\/p>\n<table>\n<tr>\n<th>\u7279\u6027<\/th>\n<th>\u7c7b\u56fe<\/th>\n<th>\u5bf9\u8c61\u56fe<\/th>\n<\/tr>\n<tr>\n<td><strong>\u7126\u70b9<\/strong><\/td>\n<td>\u62bd\u8c61\u7ed3\u6784\u4e0e\u7c7b\u578b<\/td>\n<td>\u5177\u4f53\u5b9e\u4f8b\u4e0e\u6570\u636e<\/td>\n<\/tr>\n<tr>\n<td><strong>\u7b26\u53f7\u8868\u793a<\/strong><\/td>\n<td>\u4e0b\u5212\u7ebf\u7684\u7c7b\u540d<\/td>\n<td>\u4e0b\u5212\u7ebf\u7684\u5bf9\u8c61\u540d\uff08\u5b9e\u4f8b.\u7c7b\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u65f6\u95f4<\/strong><\/td>\n<td>\u9759\u6001\u5b9a\u4e49\uff08\u84dd\u56fe\uff09<\/td>\n<td>\u65f6\u95f4\u5feb\u7167\uff08\u73b0\u5b9e\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u5c5e\u6027<\/strong><\/td>\n<td>\u6570\u636e\u7c7b\u578b\uff08\u4f8b\u5982\uff1aString\u3001Integer\uff09<\/td>\n<td>\u5177\u4f53\u503c\uff08\u4f8b\u5982\uff1a\u201cJohn\u201d\u300125\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>\u7528\u9014<\/strong><\/td>\n<td>\u8bbe\u8ba1\u9636\u6bb5\u3001\u4ee3\u7801\u7ed3\u6784<\/td>\n<td>\u9a8c\u8bc1\u3001\u8c03\u8bd5\u3001\u6587\u6863\u7f16\u5199<\/td>\n<\/tr>\n<\/table>\n<p>\u5728\u4f5c\u4e1a\u4e2d\u5305\u542b\u5bf9\u8c61\u56fe\uff0c\u5411\u8bfb\u8005\u8868\u660e\u60a8\u5df2\u8003\u8651\u4e86\u6570\u636e\u5b8c\u6574\u6027\u548c\u7cfb\u7edf\u7684\u5b9e\u9645\u72b6\u6001\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u6a21\u5f0f\u3002\ud83d\udee1\ufe0f<\/p>\n<h2>\u4e3a\u4f55\u8fd9\u5bf9\u60a8\u7684\u4f5c\u4e1a\u81f3\u5173\u91cd\u8981 \ud83d\udcdd<\/h2>\n<p>\u5bf9\u8c61\u56fe\u5bf9\u4e8e\u5b66\u672f\u548c\u4e13\u4e1a\u8bbe\u8ba1\u4efb\u52a1\u81f3\u5173\u91cd\u8981\uff0c\u539f\u56e0\u6709\u591a\u4e2a\u3002\u8fd9\u4e9b\u539f\u56e0\u8fdc\u4e0d\u6b62\u4e8e\u6ee1\u8db3\u68c0\u67e5\u6e05\u5355\u4e2d\u7684\u67d0\u4e00\u9879\uff0c\u5b83\u4eec\u4ece\u6839\u672c\u4e0a\u63d0\u5347\u4e86\u60a8\u8bbe\u8ba1\u7684\u8d28\u91cf\u3002<\/p>\n<h3>1. \u8bbe\u8ba1\u903b\u8f91\u7684\u9a8c\u8bc1 \u2705<\/h3>\n<p>\u5f53\u60a8\u7ed8\u5236\u5bf9\u8c61\u56fe\u65f6\uff0c\u60a8\u5fc5\u987b\u5b9e\u4f8b\u5316\u60a8\u7684\u7c7b\u3002\u8fd9\u4e00\u8fc7\u7a0b\u5f80\u5f80\u4f1a\u66b4\u9732\u51fa\u5728\u7c7b\u56fe\u4e2d\u4e0d\u53ef\u89c1\u7684\u903b\u8f91\u6f0f\u6d1e\u3002\u4f8b\u5982\uff0c\u60a8\u53ef\u80fd\u4f1a\u610f\u8bc6\u5230\u67d0\u4e2a\u5bf9\u8c61\u9700\u8981\u4e00\u4e2a\u65e0\u6cd5\u4ece\u5176\u6784\u9020\u51fd\u6570\u4e2d\u63a8\u5bfc\u51fa\u7684\u503c\uff0c\u6216\u8005\u67d0\u4e2a\u5173\u7cfb\u6697\u793a\u4e86\u4e4b\u524d\u672a\u8003\u8651\u5230\u7684\u4f9d\u8d56\u5173\u7cfb\u3002\u5b83\u5145\u5f53\u4e86\u60a8\u67b6\u6784\u7684\u5408\u7406\u6027\u68c0\u67e5\u3002<\/p>\n<ul>\n<li>\u8bc6\u522b\u7f3a\u5931\u7684\u7ea6\u675f\u6761\u4ef6\u3002<\/li>\n<li>\u63ed\u793a\u4e0d\u53ef\u80fd\u5b58\u5728\u7684\u6570\u636e\u914d\u7f6e\u3002<\/li>\n<li>\u786e\u4fdd\u9075\u5faa\u591a\u91cd\u6027\u89c4\u5219\u3002<\/li>\n<\/ul>\n<h3>2. \u9610\u660e\u590d\u6742\u5173\u7cfb \ud83d\udd17<\/h3>\n<p>\u8f6f\u4ef6\u7cfb\u7edf\u901a\u5e38\u6d89\u53ca\u590d\u6742\u7684\u5173\u8054\uff0c\u4f8b\u5982\u591a\u5bf9\u591a\u5173\u7cfb\u6216\u805a\u5408\u3002\u867d\u7136\u7c7b\u56fe\u5c55\u793a\u4e86\u8fd9\u4e9b\u94fe\u63a5\u7684\u6f5c\u529b\uff0c\u4f46\u5bf9\u8c61\u56fe\u5219\u5c55\u793a\u4e86\u5b83\u4eec\u7684\u5b9e\u9645\u8fd0\u4f5c\u3002\u5b83\u56de\u7b54\u4e86\u8fd9\u6837\u4e00\u4e2a\u95ee\u9898\uff1a\u201c\u5982\u679c\u6211\u6709\u7528\u6237 A \u548c\u8ba2\u5355 B\uff0c\u5b83\u4eec\u7a76\u7adf\u662f\u5982\u4f55\u8fde\u63a5\u7684\uff1f\u201d\u5c06\u7279\u5b9a\u5b9e\u4f8b\u4e4b\u95f4\u7684\u94fe\u63a5\u53ef\u89c6\u5316\uff0c\u4f7f\u60a8\u7684\u6570\u636e\u5bfc\u822a\u8def\u5f84\u66f4\u52a0\u6e05\u6670\u3002<\/p>\n<h3>3. \u589e\u5f3a\u6c9f\u901a \ud83d\udde3\ufe0f<\/h3>\n<p>\u8bbe\u8ba1\u662f\u4e00\u79cd\u6c9f\u901a\u5de5\u5177\u3002\u5229\u76ca\u76f8\u5173\u8005\uff0c\u5305\u62ec\u60a8\u7684\u5bfc\u5e08\u6216\u56e2\u961f\u8d1f\u8d23\u4eba\uff0c\u53ef\u80fd\u65e0\u6cd5\u7acb\u5373\u60f3\u8c61\u51fa\u590d\u6742\u7684\u7c7b\u5c42\u6b21\u7ed3\u6784\u3002\u5bf9\u8c61\u56fe\u63d0\u4f9b\u4e86\u4e00\u4e2a\u66f4\u6613\u4e8e\u7406\u89e3\u7684\u5177\u4f53\u793a\u4f8b\u3002\u5b83\u4f5c\u4e3a\u7cfb\u7edf\u5982\u4f55\u8fd0\u4f5c\u7684\u53d9\u8ff0\uff0c\u4f7f\u60a8\u7684\u6587\u6863\u66f4\u6613\u8bfb\uff0c\u5e76\u51cf\u5c11\u6b67\u4e49\u3002<\/p>\n<h3>4. \u652f\u6301\u6d4b\u8bd5\u573a\u666f \ud83e\uddea<\/h3>\n<p>\u5728\u60a8\u7684\u4f5c\u4e1a\u4e2d\uff0c\u60a8\u53ef\u80fd\u88ab\u8981\u6c42\u63cf\u8ff0\u6d4b\u8bd5\u7528\u4f8b\u3002\u5bf9\u8c61\u56fe\u662f\u5355\u5143\u6d4b\u8bd5\u573a\u666f\u7684\u57fa\u7840\u3002\u5b83\u4eec\u4ee3\u8868\u4e86\u6d4b\u8bd5\u65b9\u6cd5\u8fd0\u884c\u4e4b\u524d\u7cfb\u7edf\u7684\u521d\u59cb\u72b6\u6001\u3002\u901a\u8fc7\u8bb0\u5f55\u64cd\u4f5c\u524d\u540e\u7684\u9884\u671f\u72b6\u6001\uff0c\u60a8\u5c31\u5efa\u7acb\u4e86\u4e00\u4e2a\u6e05\u6670\u7684\u6210\u8d25\u57fa\u51c6\u3002<\/p>\n<h2>\u6784\u5efa\u5bf9\u8c61\u56fe\uff1a\u5206\u6b65\u65b9\u6cd5 \ud83d\udee0\ufe0f<\/h2>\n<p>\u521b\u5efa\u9ad8\u8d28\u91cf\u7684\u5bf9\u8c61\u56fe\u9700\u8981\u7cfb\u7edf\u7684\u65b9\u6cd5\u3002\u4e0d\u8981\u6025\u4e8e\u7ed8\u56fe\u3002\u8bf7\u9075\u5faa\u4ee5\u4e0b\u6b65\u9aa4\u4ee5\u786e\u4fdd\u51c6\u786e\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n<ol>\n<li><strong>\u5206\u6790\u7c7b\u56fe\uff1a<\/strong>\u4ece\u73b0\u6709\u7684\u7c7b\u5b9a\u4e49\u5f00\u59cb\u3002\u786e\u5b9a\u54ea\u4e9b\u7c7b\u4e0e\u60a8\u6b63\u5728\u5efa\u6a21\u7684\u5177\u4f53\u573a\u666f\u76f8\u5173\u3002<\/li>\n<li><strong>\u5b9a\u4e49\u573a\u666f\uff1a<\/strong>\u786e\u5b9a\u60a8\u6b63\u5728\u6355\u6349\u7684\u662f\u54ea\u4e2a\u65f6\u95f4\u70b9\u3002\u662f\u521d\u59cb\u5316\u671f\u95f4\uff1f\u4e8b\u52a1\u4e4b\u540e\uff1f\u8fd8\u662f\u641c\u7d22\u8fc7\u7a0b\u4e2d\uff1f\u4e0a\u4e0b\u6587\u81f3\u5173\u91cd\u8981\u3002<\/li>\n<li><strong>\u521b\u5efa\u5b9e\u4f8b\uff1a<\/strong>\u7ed8\u5236\u5bf9\u8c61\u3002\u4f7f\u7528 `instanceName : ClassName` \u7684\u7ea6\u5b9a\u8fdb\u884c\u547d\u540d\u3002\u8fd9\u80fd\u6e05\u6670\u5730\u5c06\u5b83\u4eec\u4e0e\u7c7b\u672c\u8eab\u533a\u5206\u5f00\u6765\u3002<\/li>\n<li><strong>\u5206\u914d\u5c5e\u6027\u503c\uff1a<\/strong>\u586b\u5199\u5c5e\u6027\u3002\u4f7f\u7528\u4ee3\u8868\u6027\u6570\u636e\u3002\u5982\u679c\u540d\u79f0\u662f\u5b57\u7b26\u4e32\uff0c\u8bf7\u5199\u201cAlice\u201d\u3002\u5982\u679c ID \u662f\u6574\u6570\uff0c\u8bf7\u5199 101\u3002\u8fd9\u5c55\u793a\u4e86\u60a8\u7406\u89e3\u6570\u636e\u7c7b\u578b\u3002<\/li>\n<li><strong>\u7ed8\u5236\u94fe\u63a5\uff1a<\/strong>\u7528\u7ebf\u6761\u8fde\u63a5\u5404\u4e2a\u5bf9\u8c61\u3002\u5982\u6709\u5fc5\u8981\uff0c\u8bf7\u4e3a\u94fe\u63a5\u6dfb\u52a0\u6807\u7b7e\u4ee5\u663e\u793a\u5176\u5728\u5173\u7cfb\u4e2d\u626e\u6f14\u7684\u89d2\u8272\u3002<\/li>\n<li><strong>\u9a8c\u8bc1\u591a\u91cd\u6027\uff1a<\/strong>\u68c0\u67e5\u94fe\u63a5\u7684\u6570\u91cf\u662f\u5426\u4e0e\u7c7b\u56fe\u4e2d\u5b9a\u4e49\u7684\u591a\u91cd\u6027\u7ea6\u675f\u76f8\u5339\u914d\uff08\u4f8b\u5982\uff0c\u4e00\u5bf9\u591a\uff09\u3002<\/li>\n<\/ol>\n<h2>\u9700\u907f\u514d\u7684\u5e38\u89c1\u9677\u9631 \u26a0\ufe0f<\/h2>\n<p>\u5373\u4f7f\u662f\u7ecf\u9a8c\u4e30\u5bcc\u7684\u8bbe\u8ba1\u5e08\u5728\u521b\u5efa\u8fd9\u4e9b\u56fe\u8868\u65f6\u4e5f\u4f1a\u72af\u9519\u3002\u4e3a\u786e\u4fdd\u60a8\u7684\u4f5c\u4e1a\u83b7\u5f97\u6700\u9ad8\u5206\u6570\uff0c\u8bf7\u907f\u514d\u8fd9\u4e9b\u5e38\u89c1\u9519\u8bef\u3002<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u7c7b\u540d\u4f5c\u4e3a\u5bf9\u8c61\u540d\uff1a<\/strong>\u5207\u52ff\u4ec5\u5c06\u5bf9\u8c61\u6807\u8bb0\u4e3a\u201cUser\u201d\u3002\u5b83\u5fc5\u987b\u662f&#8221;user1 : User&#8221;\u3002\u8fd9\u662f\u4e00\u6761\u5173\u952e\u7684\u8bed\u6cd5\u89c4\u5219\u3002<\/li>\n<li><strong>\u6570\u636e\u7c7b\u578b\u4e0d\u4e00\u81f4\uff1a<\/strong>\u4e0d\u8981\u5728\u6570\u503c\u5b57\u6bb5\u4e2d\u8f93\u5165\u6587\u672c\u3002\u5982\u679c\u5c5e\u6027\u5b9a\u4e49\u4e3a\u6574\u6570\uff0c\u8bf7\u52ff\u5199\u201ctwenty\u201d\uff0c\u800c\u5e94\u5199 20\u3002<\/li>\n<li><strong>\u9057\u6f0f\u94fe\u63a5\uff1a<\/strong>\u5982\u679c\u4e24\u4e2a\u5bf9\u8c61\u76f8\u5173\uff0c\u8bf7\u7ed8\u5236\u4e00\u6761\u7ebf\u3002\u7a7a\u767d\u533a\u57df\u8868\u793a\u4e0d\u5b58\u5728\u5173\u7cfb\u3002<\/li>\n<li><strong>\u8fc7\u5ea6\u590d\u6742\u5316\uff1a<\/strong>\u4e0d\u8981\u8bd5\u56fe\u5728\u4e00\u4e2a\u56fe\u8868\u4e2d\u5efa\u6a21\u6574\u4e2a\u7cfb\u7edf\u3002\u5e94\u4e13\u6ce8\u4e8e\u7279\u5b9a\u7684\u7528\u4f8b\u6216\u4ea4\u4e92\u3002\u5c55\u793a\u6240\u6709\u53ef\u80fd\u5bf9\u8c61\u7684\u56fe\u8868\u4f1a\u8fc7\u4e8e\u5e9e\u5927\u800c\u5931\u53bb\u5b9e\u7528\u6027\u3002<\/li>\n<li><strong>\u5ffd\u7565\u7a7a\u503c\uff1a<\/strong>\u5982\u679c\u5bf9\u8c61\u5f53\u524d\u672a\u4e3a\u5fc5\u586b\u5b57\u6bb5\u6301\u6709\u503c\uff0c\u8bf7\u6e05\u6670\u8868\u793a\u8fd9\u4e00\u70b9\uff08\u901a\u5e38\u4f7f\u7528\u201c<em>\u6216 null\uff09\u3002<\/em><\/li>\n<\/ul>\n<h2>\u4e0e\u5f00\u53d1\u751f\u547d\u5468\u671f\u96c6\u6210 \ud83d\udd04<\/h2>\n<p>\u5bf9\u8c61\u56fe\u5e76\u975e\u5b64\u7acb\u7684\u4ea7\u7269\u3002\u5b83\u4eec\u878d\u5165\u4e86\u66f4\u5e7f\u6cdb\u7684\u8f6f\u4ef6\u5f00\u53d1\u751f\u547d\u5468\u671f\uff08SDLC\uff09\u3002\u7406\u89e3\u5176\u5b9a\u4f4d\u6709\u52a9\u4e8e\u60a8\u5728\u4f5c\u4e1a\u6587\u6863\u4e2d\u8bc1\u660e\u7eb3\u5165\u5b83\u4eec\u7684\u5408\u7406\u6027\u3002<\/p>\n<h3>\u5206\u6790\u9636\u6bb5<\/h3>\n<p>\u5728\u5206\u6790\u9636\u6bb5\uff0c\u5bf9\u8c61\u56fe\u6709\u52a9\u4e8e\u5229\u76ca\u76f8\u5173\u8005\u53ef\u89c6\u5316\u6570\u636e\u3002\u5b83\u4eec\u786e\u4fdd\u5728\u7f16\u5199\u4ee3\u7801\u4e4b\u524d\uff0c\u5173\u4e8e\u6570\u636e\u5b58\u50a8\u548c\u5173\u7cfb\u7684\u9700\u6c42\u5df2\u88ab\u5145\u5206\u7406\u89e3\u3002<\/p>\n<h3>\u8bbe\u8ba1\u9636\u6bb5<\/h3>\n<p>\u5728\u8bbe\u8ba1\u9636\u6bb5\uff0c\u5f00\u53d1\u4eba\u5458\u4f7f\u7528\u8fd9\u4e9b\u56fe\u8868\u6765\u89c4\u5212\u5185\u5b58\u5206\u914d\u548c\u521d\u59cb\u5316\u5e8f\u5217\u3002\u5b83\u4eec\u6709\u52a9\u4e8e\u51b3\u5b9a\u5bf9\u8c61\u7684\u521b\u5efa\u548c\u9500\u6bc1\u65b9\u5f0f\u3002<\/p>\n<h3>\u6d4b\u8bd5\u9636\u6bb5<\/h3>\n<p>\u6d4b\u8bd5\u4eba\u5458\u4f7f\u7528\u8fd9\u4e9b\u56fe\u8868\u6765\u8bbe\u7f6e\u524d\u7f6e\u6761\u4ef6\u3002\u6d4b\u8bd5\u7528\u4f8b\u672c\u8d28\u4e0a\u662f\u4e00\u7cfb\u5217\u72b6\u6001\u53d8\u5316\uff0c\u800c\u5bf9\u8c61\u56fe\u4ee3\u8868\u4e86\u521d\u59cb\u72b6\u6001\u3002<\/p>\n<h3>\u7ef4\u62a4\u9636\u6bb5<\/h3>\n<p>\u5728\u4fee\u590d\u7f3a\u9677\u65f6\uff0c\u5de5\u7a0b\u5e08\u901a\u5e38\u4f1a\u7ed8\u5236\u5bf9\u8c61\u56fe\u4ee5\u8ffd\u8e2a\u5bfc\u81f4\u9519\u8bef\u7684\u6570\u636e\u6d41\u3002\u8fd9\u6709\u52a9\u4e8e\u7406\u89e3\u7cfb\u7edf\u5728\u6545\u969c\u53d1\u751f\u65f6\u523b\u7684\u72b6\u6001\u3002<\/p>\n<h2>\u6df1\u5165\u63a2\u8ba8\uff1a\u5c5e\u6027\u4e0e\u503c \ud83d\udcca<\/h2>\n<p>\u5bf9\u8c61\u56fe\u6700\u663e\u8457\u7684\u7279\u5f81\u4e4b\u4e00\u662f\u5bf9\u5c5e\u6027\u503c\u7684\u5904\u7406\u3002\u5728\u7c7b\u56fe\u4e2d\uff0c\u60a8\u4f1a\u5199\u201c<code>price : decimal<\/code>\u3002\u800c\u5728\u5bf9\u8c61\u56fe\u4e2d\uff0c\u60a8\u4f1a\u5199\u201c<code>\u4ef7\u683c\uff1a19.99<\/code>\u8fd9\u79cd\u5177\u4f53\u6027\u6b63\u662f\u8d4b\u4e88\u8be5\u56fe\u8868\u529b\u91cf\u7684\u539f\u56e0\u3002<\/p>\n<p>\u8003\u8651\u4e00\u4e2a\u6d89\u53ca\u56fe\u4e66\u9986\u7ba1\u7406\u7cfb\u7edf\u7684\u573a\u666f\u3002\u7c7b\u56fe\u53ef\u80fd\u4f1a\u5b9a\u4e49\u4e00\u4e2a\u201c<strong>\u56fe\u4e66\u201d<\/strong>\u7c7b\uff0c\u5176\u5c5e\u6027\u5305\u62ec\u201c<em>\u6807\u9898\u201d<\/em>\u548c\u201c<em>\u4f5c\u8005\u201d<\/em>\u3002\u7136\u800c\uff0c\u5bf9\u8c61\u56fe\u5c06\u663e\u793a\u4e00\u4e2a\u5177\u4f53\u7684\u56fe\u4e66\u5b9e\u4f8b\uff1a\u201c<strong>book1 : Book<\/strong>\uff0c\u5176\u4e2d\u201c<em>\u6807\u9898\u201d<\/em> = \u201c\u8bbe\u8ba1\u6a21\u5f0f\u201d\u548c\u201c<em>\u4f5c\u8005\u201d<\/em> = \u201cErich Gamma\u201d\u3002<\/p>\n<p>\u8fd9\u79cd\u8be6\u7ec6\u7a0b\u5ea6\u8feb\u4f7f\u4f60\u601d\u8003\u5b9e\u9645\u6570\u636e\u3002\u5b83\u907f\u514d\u4e86\u6a21\u7cca\u7684\u8bbe\u8ba1\uff0c\u5373\u5728\u4e0d\u9a8c\u8bc1\u7ea6\u675f\u662f\u5426\u5141\u8bb8\u7684\u60c5\u51b5\u4e0b\u5047\u8bbe\u6570\u636e\u5b58\u5728\u3002\u4f8b\u5982\uff0c\u5982\u679c\u7c7b\u56fe\u6307\u51fa\u4f5c\u8005\u5fc5\u987b\u662f\u4e00\u4e2a\u201c<strong>\u4eba\u201d<\/strong>\u5bf9\u8c61\uff0c\u90a3\u4e48\u5bf9\u8c61\u56fe\u5fc5\u987b\u663e\u793a\u5230\u4e00\u4e2a\u5b9e\u9645\u7684\u201c<strong>\u4eba\u201d<\/strong>\u5bf9\u8c61\u7684\u94fe\u63a5\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u540d\u79f0\u3002<\/p>\n<h2>\u94fe\u63a5\u4e0e\u5173\u8054\u7684\u4f5c\u7528 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