{"id":1522,"date":"2026-04-11T22:33:46","date_gmt":"2026-04-11T14:33:46","guid":{"rendered":"https:\/\/mayaharper.showcasingme.net\/cn\/common-mistakes-avoid-creating-uml-object-diagrams\/"},"modified":"2026-04-11T22:33:46","modified_gmt":"2026-04-11T14:33:46","slug":"common-mistakes-avoid-creating-uml-object-diagrams","status":"publish","type":"post","link":"https:\/\/mayaharper.showcasingme.net\/cn\/common-mistakes-avoid-creating-uml-object-diagrams\/","title":{"rendered":"\u521b\u5efaUML\u5bf9\u8c61\u56fe\u65f6\u5e94\u907f\u514d\u7684\u5e38\u89c1\u9519\u8bef"},"content":{"rendered":"<p>UML\u5bf9\u8c61\u56fe\u4f5c\u4e3a\u7cfb\u7edf\u5728\u7279\u5b9a\u65f6\u523b\u7684\u5173\u952e\u5feb\u7167\u3002\u4e0e\u5b9a\u4e49\u84dd\u56fe\u7684\u7c7b\u56fe\u4e0d\u540c\uff0c\u5bf9\u8c61\u56fe\u5c55\u793a\u4e86\u5b9e\u9645\u7684\u5b9e\u4f8b\u53ca\u5176\u5173\u7cfb\u3002\u5b83\u4eec\u6e05\u6670\u5730\u5c55\u793a\u4e86\u6570\u636e\u5982\u4f55\u6d41\u52a8\u4ee5\u53ca\u5bf9\u8c61\u5728\u5177\u4f53\u573a\u666f\u4e2d\u7684\u4ea4\u4e92\u65b9\u5f0f\u3002\u7136\u800c\uff0c\u521b\u5efa\u8fd9\u4e9b\u56fe\u9700\u8981\u7cbe\u786e\u6027\u3002\u5fae\u5c0f\u7684\u9519\u8bef\u53ef\u80fd\u5bfc\u81f4\u5b9e\u65bd\u8fc7\u7a0b\u4e2d\u7684\u91cd\u5927\u8bef\u89e3\u3002<\/p>\n<p>\u672c\u6307\u5357\u63a2\u8ba8\u4e86\u5728\u5efa\u6a21\u5bf9\u8c61\u5b9e\u4f8b\u65f6\u5e38\u89c1\u7684\u9677\u9631\u3002\u6211\u4eec\u5c06\u68c0\u67e5\u7ed3\u6784\u4e0d\u4e00\u81f4\u3001\u5173\u7cfb\u9519\u8bef\u548c\u547d\u540d\u89c4\u8303\u3002\u901a\u8fc7\u7406\u89e3\u8fd9\u4e9b\u5e38\u89c1\u9519\u8bef\uff0c\u60a8\u53ef\u4ee5\u786e\u4fdd\u60a8\u7684\u56fe\u8868\u4fdd\u6301\u51c6\u786e\u3001\u53ef\u7ef4\u62a4\uff0c\u5e76\u5bf9\u5229\u76ca\u76f8\u5173\u8005\u5177\u6709\u5b9e\u7528\u4ef7\u503c\u3002\u8ba9\u6211\u4eec\u6df1\u5165\u63a2\u8ba8UML\u5b9e\u4f8b\u5efa\u6a21\u7684\u7ec6\u8282\u3002<\/p>\n<figure class=\"wp-block-image aligncenter\"><img alt=\"Hand-drawn infographic illustrating 9 common mistakes to avoid when creating UML Object Diagrams: confusing class\/object notation, ignoring multiplicity constraints, inconsistent attribute values, overcomplicating scope, misrepresenting associations\/aggregations, neglecting navigation paths, inconsistent naming conventions, ignoring inheritance, and failing to update diagrams. Includes visual examples, correct vs incorrect comparisons, and a best practices checklist for accurate instance modeling in software design.\" decoding=\"async\" src=\"https:\/\/mayaharper.showcasingme.net\/wp-content\/uploads\/2026\/04\/uml-object-diagram-mistakes-infographic-handdrawn.jpg\"\/><\/figure>\n<h2>\u7406\u89e3\u5bf9\u8c61\u56fe\u7684\u76ee\u7684 \ud83d\udcd0<\/h2>\n<p>\u5728\u8bc6\u522b\u9519\u8bef\u4e4b\u524d\uff0c\u5fc5\u987b\u660e\u786e\u5bf9\u8c61\u56fe\u4ee3\u8868\u4ec0\u4e48\u3002\u5b83\u662f\u7cfb\u7edf\u72b6\u6001\u7684\u9759\u6001\u5feb\u7167\u3002\u5b83\u663e\u793a\uff1a<\/p>\n<ul>\n<li>\u7c7b\u7684\u5b9e\u4f8b\uff08\u5bf9\u8c61\uff09\u3002<\/li>\n<li>\u5b9e\u4f8b\u4e4b\u95f4\u7684\u94fe\u63a5\uff08\u5173\u8054\uff09\u3002<\/li>\n<li>\u7279\u5b9a\u5b9e\u4f8b\u7684\u5c5e\u6027\u503c\u3002<\/li>\n<li>\u9002\u7528\u4e8e\u8fd9\u4e9b\u7279\u5b9a\u5b9e\u4f8b\u7684\u591a\u91cd\u6027\u7ea6\u675f\u3002<\/li>\n<\/ul>\n<p>\u5f53\u76ee\u7684\u6a21\u7cca\u65f6\uff0c\u56fe\u8868\u5c31\u5931\u53bb\u4e86\u4ef7\u503c\u3002\u8bb8\u591a\u9519\u8bef\u6e90\u4e8e\u5c06\u9759\u6001\u7ed3\u6784\uff08\u7c7b\u56fe\uff09\u4e0e\u52a8\u6001\u72b6\u6001\uff08\u5bf9\u8c61\u56fe\uff09\u6df7\u6dc6\u3002\u660e\u786e\u533a\u5206\u4e24\u8005\u662f\u786e\u4fdd\u51c6\u786e\u6027\u7684\u7b2c\u4e00\u6b65\u3002<\/p>\n<h2>\u9519\u8bef1\uff1a\u6df7\u6dc6\u7c7b\u4e0e\u5bf9\u8c61\u7684\u8868\u793a\u6cd5 \ud83d\udd04<\/h2>\n<p>\u6700\u5e38\u89c1\u7684\u9519\u8bef\u4e4b\u4e00\u662f\u6df7\u6dc6\u8868\u793a\u6cd5\u3002\u7c7b\u56fe\u4f7f\u7528\u7c97\u4f53\u6807\u9898\u8868\u793a\u7c7b\u540d\uff0c\u5e76\u5217\u51fa\u5c5e\u6027\u548c\u65b9\u6cd5\u3002\u5bf9\u8c61\u56fe\u5fc5\u987b\u533a\u5206\u5b9e\u4f8b\u4e0e\u7c7b\u578b\u3002<\/p>\n<h3>\u9519\u8bef<\/h3>\n<p>\u4ec5\u4f7f\u7528\u7c7b\u540d\u6765\u547d\u540d\u5b9e\u4f8b\u6846\u3002\u5728\u5bf9\u8c61\u56fe\u4e2d\uff0c\u5b9e\u4f8b\u5e94\u4f7f\u7528\u4ee5\u4e0b\u683c\u5f0f\u547d\u540d\uff1a<code>\u5b9e\u4f8b\u540d : \u7c7b\u540d<\/code>.<\/p>\n<h3>\u540e\u679c<\/h3>\n<p>\u5982\u679c\u4ec5\u5c06\u4e00\u4e2a\u6846\u6807\u8bb0\u4e3a<code>Customer<\/code>\uff0c\u770b\u8d77\u6765\u5c31\u50cf\u4e00\u4e2a\u7c7b\u5b9a\u4e49\u3002\u8bfb\u8005\u65e0\u6cd5\u533a\u5206\u7c7b\u578b\u5b9a\u4e49\u4e0e\u5b9e\u9645\u6570\u636e\u3002\u8fd9\u4f1a\u5bfc\u81f4\u5728\u4ee3\u7801\u751f\u6210\u6216\u6570\u636e\u5e93\u6a21\u5f0f\u8bbe\u8ba1\u8fc7\u7a0b\u4e2d\u4ea7\u751f\u6b67\u4e49\u3002<\/p>\n<h3>\u7ea0\u6b63\u65b9\u6cd5<\/h3>\n<p>\u59cb\u7ec8\u4f7f\u7528\u5192\u53f7\u8bed\u6cd5\u3002\u4f8b\u5982\uff0c<code>customer1 : Customer<\/code>\u6216<code>order45 : Order<\/code>\u3002\u8fd9\u5728\u89c6\u89c9\u4e0a\u8868\u660e\u8be5\u6846\u4ee3\u8868\u5185\u5b58\u4e2d\u4e00\u4e2a\u5177\u4f53\u7684\u5b9e\u4f53\uff0c\u800c\u975e\u901a\u7528\u6a21\u677f\u3002<\/p>\n<h3>\u89c6\u89c9\u5bf9\u6bd4<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u9519\u8bef\u7684\u8868\u793a\u6cd5<\/th>\n<th>\u6b63\u786e\u7684\u8868\u793a\u6cd5<\/th>\n<th>\u4e3a\u4f55\u5982\u6b64\u91cd\u8981<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>\u5ba2\u6237<\/code><\/td>\n<td><code>johnDoe : \u5ba2\u6237<\/code><\/td>\n<td>\u6f84\u6e05\u5b9e\u4f8b\u4e0e\u7c7b\u578b\u7684\u533a\u522b<\/td>\n<\/tr>\n<tr>\n<td><code>\u94f6\u884c\u8d26\u6237<\/code><\/td>\n<td><code>acc123 : \u94f6\u884c\u8d26\u6237<\/code><\/td>\n<td>\u9632\u6b62\u4e0e\u7c7b\u7ed3\u6784\u6df7\u6dc6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u9519\u8bef 2\uff1a\u5ffd\u7565\u591a\u91cd\u6027\u7ea6\u675f \ud83d\udcc9<\/h2>\n<p>\u591a\u91cd\u6027\u5b9a\u4e49\u4e86\u4e00\u4e2a\u7c7b\u7684\u5b9e\u4f8b\u4e0e\u53e6\u4e00\u4e2a\u7c7b\u7684\u5b9e\u4f8b\u4e4b\u95f4\u6709\u591a\u5c11\u4e2a\u5173\u8054\u3002\u5728\u5bf9\u8c61\u56fe\u4e2d\uff0c\u4f60\u770b\u5230\u7684\u662f\u4e00\u4e2a\u7279\u5b9a\u573a\u666f\u3002\u901a\u5e38\uff0c\u521b\u5efa\u8005\u5728\u7ed8\u56fe\u65f6\u6ca1\u6709\u9075\u5faa\u7c7b\u56fe\u4e2d\u5b9a\u4e49\u7684\u57fa\u6570\u89c4\u5219\u3002<\/p>\n<h3>\u9519\u8bef<\/h3>\n<p>\u521b\u5efa\u4e24\u4e2a\u5bf9\u8c61\u4e4b\u95f4\u7684\u5173\u8054\uff0c\u8fdd\u53cd\u4e86\u5b9a\u4e49\u7684\u591a\u91cd\u6027\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4e00\u4e2a<code>\u90e8\u95e8<\/code>\u53ef\u4ee5\u62e5\u6709<code>0..*<\/code> <code>\u5458\u5de5<\/code>\uff0c\u4f46\u4f60\u7684\u56fe\u4e2d\u663e\u793a\u4e00\u4e2a\u5355\u4e00\u7684<code>\u90e8\u95e8<\/code>\u4e0e\u4e09\u4e2a<code>\u5458\u5de5<\/code>\u800c\u6ca1\u6709\u4efb\u4f55\u96c6\u5408\u7684\u6307\u793a\uff0c\u8fd9\u9519\u8bef\u5730\u6697\u793a\u4e86 1:1 \u7684\u5173\u7cfb\u3002<\/p>\n<h3>\u6280\u672f\u5f71\u54cd<\/h3>\n<p>\u5f00\u53d1\u8005\u4f9d\u8d56\u8fd9\u4e9b\u56fe\u6765\u7406\u89e3\u6570\u636e\u7ea6\u675f\u3002\u5982\u679c\u56fe\u4e2d\u6697\u793a\u4e86\u4e00\u5bf9\u4e00\u7684\u5173\u7cfb\uff0c\u800c\u5b9e\u9645\u4e0a\u662f\u4e00\u5bf9\u591a\uff0c\u6570\u636e\u5e93\u6a21\u5f0f\u53ef\u80fd\u88ab\u9519\u8bef\u5730\u89c4\u8303\u5316\u3002\u8fd9\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u91cd\u590d\u6216\u5f15\u7528\u5b8c\u6574\u6027\u9519\u8bef\u3002<\/p>\n<h3>\u6700\u4f73\u5b9e\u8df5<\/h3>\n<ul>\n<li>\u786e\u4fdd\u94fe\u63a5\u6570\u91cf\u4e0e\u7c7b\u6a21\u578b\u4e2d\u5b9a\u4e49\u7684\u591a\u91cd\u6027\u8303\u56f4\u4e00\u81f4\u3002<\/li>\n<li>\u5982\u679c\u591a\u4e2a\u5b9e\u4f8b\u4e0e\u4e00\u4e2a\u5bf9\u8c61\u76f8\u5173\u8054\uff0c\u5e94\u5728\u5bf9\u8c61\u8868\u793a\u6cd5\u4e2d\u4f7f\u7528\u96c6\u5408\u6216\u6570\u7ec4\u3002<\/li>\n<li>\u7528\u5feb\u7167\u4e2d\u89c2\u5bdf\u5230\u7684\u5b9e\u9645\u591a\u91cd\u6027\u6765\u6807\u8bb0\u94fe\u63a5\u7684\u4e24\u7aef\u3002<\/li>\n<\/ul>\n<h2>\u9519\u8bef 3\uff1a\u5c5e\u6027\u503c\u4e0d\u4e00\u81f4 \ud83d\udcdd<\/h2>\n<p>\u5bf9\u8c61\u56fe\u7684\u72ec\u7279\u4e4b\u5904\u5728\u4e8e\u5b83\u4eec\u5c55\u793a\u4e86\u5b9e\u9645\u503c\u3002\u7136\u800c\uff0c\u8bb8\u591a\u521b\u5efa\u8005\u5b8c\u5168\u7701\u7565\u503c\uff0c\u6216\u4f7f\u7528\u5360\u4f4d\u7b26\u5982<code>null<\/code>\u6216<code>empty<\/code> \u4e0d\u4e00\u81f4\u5730\u3002<\/p>\n<h3>\u9519\u8bef<\/h3>\n<p>\u5728\u72b6\u6001\u5173\u952e\u65f6\u7559\u7a7a\u5c5e\u6027\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a<code>\u8ba2\u5355<\/code>\u5bf9\u8c61\u6ca1\u6709<code>\u72b6\u6001<\/code>\u6216<code>\u603b\u91d1\u989d<\/code>\u88ab\u5b9a\u4e49\u65f6\u662f\u4e0d\u5b8c\u6574\u7684\u3002\u6216\u8005\uff0c\u5bf9\u6240\u6709\u5b9e\u4f8b\u4f7f\u7528\u7c7b\u4f3c<code>test123<\/code>\u7684\u901a\u7528\u503c\u4f1a\u964d\u4f4e\u6e05\u6670\u5ea6\u3002<\/p>\n<h3>\u4fee\u6b63\u65b9\u6cd5<\/h3>\n<p>\u4f7f\u7528\u53cd\u6620\u573a\u666f\u7684\u73b0\u5b9e\u6570\u636e\u586b\u5145\u5c5e\u6027\u3002\u5982\u679c\u8ba2\u5355\u5904\u4e8e\u5f85\u5904\u7406\u72b6\u6001\uff0c\u5e94\u6ce8\u660e<code>\u72b6\u6001 = \u5f85\u5904\u7406<\/code>\u3002\u5982\u679c\u8d26\u6237\u5904\u4e8e\u975e\u6d3b\u8dc3\u72b6\u6001\uff0c\u8bbe\u7f6e<code>isActive = false<\/code>\u3002\u8fd9\u6709\u52a9\u4e8e\u5229\u76ca\u76f8\u5173\u8005\u9a8c\u8bc1\u903b\u8f91\u3002<\/p>\n<h3>\u4f55\u65f6\u7701\u7565\u503c<\/h3>\n<p>\u5e76\u975e\u6bcf\u4e2a\u5c5e\u6027\u5728\u6bcf\u4e2a\u56fe\u4e2d\u90fd\u9700\u8981\u6709\u503c\u3002\u5e94\u5173\u6ce8\u4e0e\u6240\u5efa\u6a21\u573a\u666f\u76f8\u5173\u7684\u5c5e\u6027\u3002\u5982\u679c\u56fe\u662f\u5173\u4e8e\u5bfc\u822a\u7684\uff0c\u5c31\u5173\u6ce8\u94fe\u63a5\uff1b\u5982\u679c\u662f\u5173\u4e8e\u9a8c\u8bc1\u7684\uff0c\u5c31\u5173\u6ce8\u72b6\u6001\u6807\u5fd7\u3002<\/p>\n<h2>\u9519\u8bef4\uff1a\u8fc7\u5ea6\u590d\u6742\u5316\u8303\u56f4 \ud83c\udf10<\/h2>\n<p>\u4e00\u4e2a\u5e38\u89c1\u95ee\u9898\u662f\u8bd5\u56fe\u5728\u5355\u4e00\u5bf9\u8c61\u56fe\u4e2d\u5efa\u6a21\u6574\u4e2a\u7cfb\u7edf\u3002\u8fd9\u4e9b\u56fe\u662f\u5feb\u7167\u3002\u5355\u4e2a\u56fe\u5e94\u4e13\u6ce8\u4e8e\u7279\u5b9a\u7528\u4f8b\u6216\u6570\u636e\u6a21\u578b\u7684\u7279\u5b9a\u90e8\u5206\u3002<\/p>\n<h3>\u9519\u8bef<\/h3>\n<p>\u7ed8\u5236\u6570\u5343\u4e2a\u5bf9\u8c61\u6765\u8868\u793a\u6574\u4e2a\u6570\u636e\u5e93\u3002\u8fd9\u4f1a\u4ea7\u751f\u4e00\u4e2a\u6742\u4e71\u7684\u89c6\u89c9\u6548\u679c\uff0c\u6839\u672c\u65e0\u6cd5\u9605\u8bfb\u3002\u8fd9\u8fdd\u80cc\u4e86\u62bd\u8c61\u7684\u76ee\u7684\u3002<\/p>\n<h3>\u540e\u679c<\/h3>\n<p>\u8bfb\u8005\u65e0\u6cd5\u8bc6\u522b\u611f\u5174\u8da3\u7684\u5173\u8054\u5173\u7cfb\u3002\u56fe\u53d8\u6210\u4e86\u4e00\u5835\u6587\u5b57\u548c\u65b9\u6846\u7684\u5899\u3002\u7ef4\u62a4\u53d8\u5f97\u4e00\u56e2\u7cdf\uff0c\u56e0\u4e3a\u66f4\u65b0\u4e00\u5c0f\u90e8\u5206\u5c31\u9700\u8981\u91cd\u753b\u6574\u4e2a\u6df7\u4e71\u7684\u56fe\u3002<\/p>\n<h3>\u8303\u56f4\u7b56\u7565<\/h3>\n<ul>\n<li><strong>\u805a\u7126\u7528\u4f8b\uff1a<\/strong>\u4e3a\u767b\u5f55\u6d41\u7a0b\u521b\u5efa\u4e00\u4e2a\u56fe\uff0c\u4e3a\u7ed3\u8d26\u6d41\u7a0b\u521b\u5efa\u53e6\u4e00\u4e2a\u56fe\u3002<\/li>\n<li><strong>\u9650\u5236\u5bf9\u8c61\u6570\u91cf\uff1a<\/strong>\u4fdd\u6301\u5b9e\u4f8b\u6570\u91cf\u53ef\u63a7\uff08\u4f8b\u5982\uff0c5\u523015\u4e2a\u5bf9\u8c61\uff09\u3002<\/li>\n<li><strong>\u5206\u7ec4\u76f8\u5173\u5bf9\u8c61\uff1a<\/strong> \u4f7f\u7528\u6846\u7ebf\u6216\u5206 compartments \u6765\u5206\u7ec4\u76f8\u5173\u5b9e\u4f8b\u3002<\/li>\n<\/ul>\n<h2>\u9519\u8bef 5\uff1a\u9519\u8bef\u8868\u793a\u5173\u8054\u4e0e\u805a\u5408 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6\uff1a\u5ffd\u89c6\u5bfc\u822a\u8def\u5f84 \ud83e\udded<\/h2>\n<p>\u5bf9\u8c61\u56fe\u5e38\u7528\u4e8e\u7406\u89e3\u7a0b\u5e8f\u5458\u5982\u4f55\u904d\u5386\u5bf9\u8c61\u56fe\u3002\u5982\u679c\u7bad\u5934\u6216\u94fe\u63a5\u6807\u7b7e\u672a\u6807\u660e\u65b9\u5411\uff0c\u8be5\u56fe\u5bf9\u7f16\u7a0b\u7684\u5e2e\u52a9\u5c31\u8f83\u5c0f\u3002<\/p>\n<h3>\u9519\u8bef\u4e4b\u5904<\/h3>\n<p>\u5728\u4ee3\u7801\u4ec5\u5141\u8bb8\u5355\u5411\u8bbf\u95ee\u65f6\u4f7f\u7528\u53cc\u5411\u7ebf\u6761\u3002\u4f8b\u5982\uff0c\u4e00\u4e2a<code>\u9a7e\u9a76\u5458<\/code>\u77e5\u9053\u4e00\u4e2a<code>\u6c7d\u8f66<\/code>\uff0c\u4f46\u8fd9\u4e2a<code>\u6c7d\u8f66<\/code> \u4e0d\u4f1a\u5b58\u50a8\u5bf9\u7684\u5f15\u7528<code>\u9a7e\u9a76\u5458<\/code> \u5982\u679c\u4f60\u5728\u4e24\u7aef\u90fd\u753b\u4e0a\u83f1\u5f62\uff0c\u5c31\u6697\u793a\u4e86\u53cc\u5411\u8bbf\u95ee\u3002<\/p>\n<h3>\u89e3\u51b3\u65b9\u6848<\/h3>\n<ul>\n<li>\u4f7f\u7528\u7bad\u5934\u8868\u793a\u5bfc\u822a\u65b9\u5411\u3002<\/li>\n<li>\u5982\u6709\u5fc5\u8981\uff0c\u7528\u89d2\u8272\u540d\u79f0\u6807\u8bb0\u94fe\u63a5\u3002<\/li>\n<li>\u786e\u4fdd\u65b9\u5411\u4e0e\u4ee3\u7801\u4e2d\u7684 getter\/setter \u5b9e\u73b0\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<h2>\u9519\u8bef 7\uff1a\u547d\u540d\u7ea6\u5b9a\u4e0d\u4e00\u81f4 \ud83c\udff7\ufe0f<\/h2>\n<p>\u547d\u540d\u662f\u6587\u6863\u7684\u5173\u952e\u90e8\u5206\u3002\u547d\u540d\u4e0d\u4e00\u81f4\u4f1a\u4f7f\u56fe\u8868\u96be\u4ee5\u6d4f\u89c8\u548c\u53c2\u8003\u3002<\/p>\n<h3>\u9519\u8bef<\/h3>\n<p>\u4f7f\u7528<code>obj1<\/code>, <code>tempVar<\/code>, <code>User123<\/code>\uff0c\u4ee5\u53ca<code>customer_instance<\/code> \u5728\u540c\u4e00\u5f20\u56fe\u4e2d\u3002\u8fd9\u4f1a\u589e\u52a0\u8ba4\u77e5\u8d1f\u62c5\u3002\u8bfb\u8005\u82b1\u8d39\u65f6\u95f4\u89e3\u8bfb\u540d\u79f0\uff0c\u800c\u4e0d\u662f\u7406\u89e3\u5173\u7cfb\u3002<\/p>\n<h3>\u63a8\u8350\u7684\u89c4\u8303<\/h3>\n<ul>\n<li>\u6839\u636e\u573a\u666f\u4e2d\u7684\u89d2\u8272\u4f7f\u7528\u63cf\u8ff0\u6027\u540d\u79f0\u3002<\/li>\n<li>\u5982\u679c\u89d2\u8272\u662f\u901a\u7528\u7684\uff0c\u7528\u7c7b\u540d\u4f5c\u4e3a\u524d\u7f00\uff08\u4f8b\u5982\uff0c<code>primaryUser<\/code>).<\/li>\n<li>\u907f\u514d\u4f7f\u7528\u901a\u7528\u7f16\u53f7\uff0c\u9664\u975e\u5b83\u4eec\u4ee3\u8868\u7279\u5b9a ID\uff08\u4f8b\u5982\uff0c<code>order_554<\/code>).<\/li>\n<li>\u5728\u9879\u76ee\u7684\u6240\u6709\u56fe\u8868\u4e2d\u4fdd\u6301\u547d\u540d\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<h2>\u9519\u8bef 8\uff1a\u5ffd\u7565\u5bf9\u8c61\u56fe\u4e2d\u7684\u7ee7\u627f\u5173\u7cfb \ud83c\udfdb\ufe0f<\/h2>\n<p>\u867d\u7136\u5bf9\u8c61\u56fe\u5173\u6ce8\u7684\u662f\u5b9e\u4f8b\uff0c\u4f46\u7ee7\u627f\u4ecd\u7136\u8d77\u4f5c\u7528\u3002\u5982\u679c\u4e00\u4e2a\u7c7b\u662f\u53e6\u4e00\u4e2a\u7c7b\u7684\u5b50\u7c7b\uff0c\u90a3\u4e48\u8be5\u5b9e\u4f8b\u5e94\u660e\u786e\u53cd\u6620\u5176\u7c7b\u578b\u3002<\/p>\n<h3>\u9519\u8bef<\/h3>\n<p>\u5c06\u6240\u6709\u5b9e\u4f8b\u5f52\u5165\u5176\u7236\u7c7b\u7c7b\u578b\u3002\u5982\u679c\u4f60\u6709\u4e00\u4e2a<code>Vehicle<\/code>\u7c7b\u4ee5\u53ca<code>Car<\/code>\u548c<code>Truck<\/code>\u5b50\u7c7b\uff0c\u90a3\u4e48\u4e00\u4e2a\u5b9e\u4f8b\u5e94\u88ab\u6807\u8bb0\u4e3a<code>myCar : Car<\/code>\uff0c\u800c\u4e0d\u662f<code>myCar : Vehicle<\/code>.<\/p>\n<h3>\u4e3a\u4f55\u91cd\u8981<\/h3>\n<p>\u5b50\u7c7b\u901a\u5e38\u5177\u6709\u4e0d\u540c\u7684\u5c5e\u6027\u6216\u884c\u4e3a\u3002\u5c06\u5b9e\u4f8b\u6807\u8bb0\u4e3a\u7236\u7c7b\u4f1a\u9690\u85cf\u5b50\u7c7b\u7684\u7279\u5b9a\u5c5e\u6027\u3002\u5982\u679c\u4ee3\u7801\u4f9d\u8d56\u4e8e\u5b50\u7c7b\u7279\u6709\u7684\u65b9\u6cd5\uff0c\u8fd9\u53ef\u80fd\u5bfc\u81f4\u7c7b\u578b\u9519\u8bef\u3002<\/p>\n<h2>\u9519\u8bef9\uff1a\u672a\u80fd\u968f\u7cfb\u7edf\u53d8\u66f4\u800c\u66f4\u65b0 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\ud83d\udd0d<\/h2>\n<p>\u7406\u89e3\u8fd9\u4e24\u4e2a\u56fe\u8868\u4e4b\u95f4\u7684\u4ea4\u4e92\u81f3\u5173\u91cd\u8981\u3002\u7c7b\u56fe\u662f\u5951\u7ea6\uff0c\u5bf9\u8c61\u56fe\u662f\u6267\u884c\u3002<\/p>\n<h3>\u5173\u952e\u5dee\u5f02<\/h3>\n<ul>\n<li><strong>\u7c7b\u56fe\uff1a<\/strong> \u4e00\u822c\u6027\u5730\u5b9a\u4e49\u7ed3\u6784\u3001\u65b9\u6cd5\u3001\u5c5e\u6027\u548c\u5173\u7cfb\u3002\u5b83\u662f\u6c38\u6052\u7684\u3002<\/li>\n<li><strong>\u5bf9\u8c61\u56fe\uff1a<\/strong> 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\ud83d\uddc4\ufe0f<\/h2>\n<p>\u5728\u8bbe\u8ba1\u5b58\u50a8\u72b6\u6001\u7684\u7cfb\u7edf\uff08\u5982\u6570\u636e\u5e93\u3001\u6587\u4ef6\u7cfb\u7edf\uff09\u65f6\uff0c\u5bf9\u8c61\u56fe\u6709\u52a9\u4e8e\u53ef\u89c6\u5316\u5e8f\u5217\u5316\u8fc7\u7a0b\u3002\u4e00\u4e2a\u5e38\u89c1\u9519\u8bef\u662f\u5ffd\u7565\u4e86\u5bf9\u8c61\u662f\u5982\u4f55\u88ab\u5b58\u50a8\u7684\u3002<\/p>\n<h3>\u9519\u8bef<\/h3>\n<p>\u5728\u5185\u5b58\u4e2d\u5efa\u6a21\u5bf9\u8c61\u65f6\uff0c\u672a\u8003\u8651\u5b83\u4eec\u5982\u4f55\u6620\u5c04\u5230\u5b58\u50a8\u3002\u4f8b\u5982\uff0c\u5bf9\u8c61\u56fe\u53ef\u80fd\u662f\u5faa\u73af\u7684\u3002\u5728\u6570\u636e\u5e93\u4e2d\uff0c\u5982\u679c\u672a\u6b63\u786e\u5904\u7406\uff0c\u5faa\u73af\u5f15\u7528\u53ef\u80fd\u4f1a\u5bfc\u81f4\u95ee\u9898\u3002<\/p>\n<h3>\u4fee\u6b63<\/h3>\n<p>\u5206\u6790\u5bf9\u8c61\u56fe\u4e2d\u7684\u5faa\u73af\u3002\u5982\u679c\u4f60\u770b\u5230<code>A<\/code>\u94fe\u63a5\u5230<code>B<\/code>\u5e76\u4e14<code>B<\/code>\u53c8\u94fe\u63a5\u56de<code>A<\/code>\uff0c\u8bf7\u8003\u8651\u5b83\u662f\u5982\u4f55\u88ab\u6301\u4e45\u5316\u7684\u3002\u8fd9\u53ef\u80fd\u9700\u8981\u5728\u5b58\u50a8\u4e2d\u6253\u7834\u94fe\u63a5\uff0c\u6216\u8c28\u614e\u4f7f\u7528\u5916\u952e\u3002<\/p>\n<h2>\u6700\u4f73\u5b9e\u8df5\u603b\u7ed3 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\u5728\u6240\u6709\u56fe\u8868\u4e2d\u4f7f\u7528\u4e00\u81f4\u7684\u547d\u540d\u3002<\/li>\n<li><strong>\u4e0e\u7c7b\u8fdb\u884c\u6821\u9a8c\uff1a<\/strong> \u786e\u4fdd\u6bcf\u4e2a\u5b9e\u4f8b\u90fd\u6620\u5c04\u5230\u6709\u6548\u7684\u7c7b\u5b9a\u4e49\u3002<\/li>\n<\/ul>\n<h2>\u5173\u4e8e\u5bf9\u8c61\u56fe\u7684\u5e38\u89c1\u95ee\u9898 \u2753<\/h2>\n<h3>\u6211\u53ef\u4ee5\u4f7f\u7528\u5bf9\u8c61\u56fe\u6765\u8868\u793a\u52a8\u6001\u884c\u4e3a\u5417\uff1f<\/h3>\n<p>\u4e0d\u884c\u3002\u5bf9\u8c61\u56fe\u662f\u9759\u6001\u7684\u3002\u5b83\u4eec\u5c55\u793a\u7684\u662f\u72b6\u6001\uff0c\u800c\u4e0d\u662f\u884c\u4e3a\u3002\u8981\u8868\u793a\u884c\u4e3a\uff0c\u8bf7\u4f7f\u7528\u987a\u5e8f\u56fe\u6216\u6d3b\u52a8\u56fe\u3002\u4f7f\u7528\u5bf9\u8c61\u56fe\u6765\u8868\u793a\u6d41\u7a0b\u4f1a\u8ba9\u8bfb\u8005\u611f\u5230\u56f0\u60d1\u3002<\/p>\n<h3>\u6bcf\u4e2a\u9879\u76ee\u90fd\u5fc5\u987b\u4f7f\u7528\u5bf9\u8c61\u56fe\u5417\uff1f<\/h3>\n<p>\u5e76\u975e\u603b\u662f\u5982\u6b64\u3002\u5bf9\u4e8e\u7b80\u5355\u7684\u9879\u76ee\uff0c\u5b83\u4eec\u53ef\u80fd\u662f\u591a\u4f59\u7684\u3002\u7136\u800c\uff0c\u5bf9\u4e8e\u5177\u6709\u590d\u6742\u6570\u636e\u5173\u7cfb\u7684\u590d\u6742\u7cfb\u7edf\uff0c\u5b83\u4eec\u5728\u8c03\u8bd5\u548c\u7406\u89e3\u72b6\u6001\u65b9\u9762\u6781\u4e3a\u91cd\u8981\u3002<\/p>\n<h3>\u6211\u8be5\u5982\u4f55\u5904\u7406\u5bf9\u8c61\u56fe\u4e2d\u7684\u96c6\u5408\uff1f<\/h3>\n<p>\u4f60\u53ef\u4ee5\u901a\u8fc7\u5411\u540c\u4e00\u4e2a\u5bf9\u8c61\u7ed8\u5236\u591a\u6761\u7ebf\uff0c\u6216\u5728\u5bf9\u8c61\u6846\u5185\u4f7f\u7528\u5217\u8868\u7b26\u53f7\u6765\u8868\u793a\u96c6\u5408\uff08\u4f8b\u5982\uff0c<code>\u8ba2\u5355\uff1aList&lt;\u8ba2\u5355&gt;<\/code>\uff09\u3002\u8981\u660e\u786e\u8bf4\u660e\u8be5\u5bf9\u8c61\u662f\u6301\u6709\u5bf9\u96c6\u5408\u7684\u5f15\u7528\uff0c\u8fd8\u662f\u6301\u6709\u5355\u4e2a\u5b9e\u4f8b\u3002<\/p>\n<h2>\u5173\u4e8e\u56fe\u8868\u51c6\u786e\u6027\u7684\u6700\u540e\u601d\u8003 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[&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1523,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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