{"id":1595,"date":"2026-04-11T22:33:46","date_gmt":"2026-04-11T14:33:46","guid":{"rendered":"https:\/\/mayaharper.showcasingme.net\/tw\/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\/tw\/common-mistakes-avoid-creating-uml-object-diagrams\/","title":{"rendered":"\u5275\u5efaUML\u7269\u4ef6\u5716\u6642\u61c9\u907f\u514d\u7684\u5e38\u898b\u932f\u8aa4"},"content":{"rendered":"<p>UML\u7269\u4ef6\u5716\u4f5c\u70ba\u7cfb\u7d71\u5728\u7279\u5b9a\u6642\u523b\u7684\u95dc\u9375\u5feb\u7167\u3002\u8207\u5b9a\u7fa9\u85cd\u5716\u7684\u985e\u5716\u4e0d\u540c\uff0c\u7269\u4ef6\u5716\u53ef\u8996\u5316\u5be6\u969b\u7684\u5be6\u4f8b\u53ca\u5176\u95dc\u4fc2\u3002\u5b83\u80fd\u6e05\u695a\u5730\u8aaa\u660e\u8cc7\u6599\u5982\u4f55\u6d41\u52d5\uff0c\u4ee5\u53ca\u7269\u4ef6\u5728\u5177\u9ad4\u60c5\u5883\u4e2d\u5982\u4f55\u4e92\u52d5\u3002\u7136\u800c\uff0c\u5275\u5efa\u9019\u4e9b\u5716\u8868\u9700\u8981\u7cbe\u78ba\u6027\u3002\u5fae\u5c0f\u7684\u932f\u8aa4\u53ef\u80fd\u5c0e\u81f4\u5be6\u4f5c\u904e\u7a0b\u4e2d\u7684\u91cd\u5927\u8aa4\u89e3\u3002<\/p>\n<p>\u672c\u6307\u5357\u63a2\u8a0e\u4e86\u5728\u5efa\u6a21\u7269\u4ef6\u5be6\u4f8b\u6642\u5e38\u898b\u7684\u9677\u9631\u3002\u6211\u5011\u5c07\u6aa2\u8996\u7d50\u69cb\u4e0d\u4e00\u81f4\u3001\u95dc\u4fc2\u932f\u8aa4\u4ee5\u53ca\u547d\u540d\u6163\u4f8b\u3002\u900f\u904e\u7406\u89e3\u9019\u4e9b\u5e38\u898b\u932f\u8aa4\uff0c\u60a8\u53ef\u4ee5\u78ba\u4fdd\u60a8\u7684\u5716\u8868\u4fdd\u6301\u6e96\u78ba\u3001\u53ef\u7dad\u8b77\uff0c\u4e26\u5c0d\u5229\u76ca\u76f8\u95dc\u8005\u5177\u6709\u5be6\u7528\u50f9\u503c\u3002\u8b93\u6211\u5011\u6df1\u5165\u63a2\u8a0eUML\u5be6\u4f8b\u5efa\u6a21\u7684\u7d30\u7bc0\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\u7269\u4ef6\u5716\u7684\u76ee\u7684 \ud83d\udcd0<\/h2>\n<p>\u5728\u8b58\u5225\u932f\u8aa4\u4e4b\u524d\uff0c\u660e\u78ba\u7269\u4ef6\u5716\u6240\u4ee3\u8868\u7684\u610f\u7fa9\u81f3\u95dc\u91cd\u8981\u3002\u5b83\u662f\u4e00\u500b\u7cfb\u7d71\u72c0\u614b\u7684\u975c\u614b\u5feb\u7167\u3002\u5b83\u986f\u793a\uff1a<\/p>\n<ul>\n<li>\u985e\u5225\u7684\u5be6\u4f8b\uff08\u7269\u4ef6\uff09\u3002<\/li>\n<li>\u5be6\u4f8b\u4e4b\u9593\u7684\u9023\u7d50\uff08\u95dc\u806f\uff09\u3002<\/li>\n<li>\u7279\u5b9a\u5be6\u4f8b\u7684\u5c6c\u6027\u503c\u3002<\/li>\n<li>\u9069\u7528\u65bc\u9019\u4e9b\u7279\u5b9a\u5be6\u4f8b\u7684\u591a\u91cd\u6027\u7d04\u675f\u3002<\/li>\n<\/ul>\n<p>\u7576\u76ee\u7684\u6a21\u7cca\u6642\uff0c\u5716\u8868\u4fbf\u5931\u53bb\u5176\u50f9\u503c\u3002\u8a31\u591a\u932f\u8aa4\u6e90\u81ea\u65bc\u6df7\u6dc6\u975c\u614b\u7d50\u69cb\uff08\u985e\u5716\uff09\u8207\u52d5\u614b\u72c0\u614b\uff08\u7269\u4ef6\u5716\uff09\u3002\u660e\u78ba\u5340\u5206\u5169\u8005\u662f\u78ba\u4fdd\u6e96\u78ba\u6027\u7684\u7b2c\u4e00\u6b65\u3002<\/p>\n<h2>\u932f\u8aa4 1\uff1a\u6df7\u6dc6\u985e\u5225\u8207\u7269\u4ef6\u7b26\u865f \ud83d\udd04<\/h2>\n<p>\u6700\u5e38\u898b\u7684\u932f\u8aa4\u4e4b\u4e00\u662f\u6df7\u6dc6\u7b26\u865f\u3002\u985e\u5716\u4f7f\u7528\u7c97\u9ad4\u6a19\u984c\u8868\u793a\u985e\u5225\u540d\u7a31\uff0c\u4e26\u5217\u51fa\u5c6c\u6027\u548c\u65b9\u6cd5\u3002\u7269\u4ef6\u5716\u5fc5\u9808\u5340\u5206\u5be6\u4f8b\u8207\u985e\u578b\u3002<\/p>\n<h3>\u932f\u8aa4\u4e4b\u8655<\/h3>\n<p>\u50c5\u4f7f\u7528\u985e\u5225\u540d\u7a31\u4f86\u6a19\u793a\u5be6\u4f8b\u6846\u3002\u5728\u7269\u4ef6\u5716\u4e2d\uff0c\u5be6\u4f8b\u61c9\u4f7f\u7528\u4ee5\u4e0b\u683c\u5f0f\u547d\u540d\uff1a<code>\u5be6\u4f8b\u540d\u7a31 : \u985e\u5225\u540d\u7a31<\/code>.<\/p>\n<h3>\u5f8c\u679c<\/h3>\n<p>\u5982\u679c\u50c5\u5c07\u6846\u6a19\u793a\u70ba<code>\u5ba2\u6236<\/code>\uff0c\u770b\u8d77\u4f86\u50cf\u662f\u985e\u5225\u5b9a\u7fa9\u3002\u8b80\u8005\u7121\u6cd5\u5340\u5206\u985e\u5225\u5b9a\u7fa9\u8207\u5be6\u969b\u8cc7\u6599\u3002\u9019\u6703\u5c0e\u81f4\u7a0b\u5f0f\u78bc\u7522\u751f\u6216\u8cc7\u6599\u5eab\u7d50\u69cb\u8a2d\u8a08\u6642\u7522\u751f\u6b67\u7fa9\u3002<\/p>\n<h3>\u4fee\u6b63\u65b9\u6cd5<\/h3>\n<p>\u59cb\u7d42\u4f7f\u7528\u5192\u865f\u8a9e\u6cd5\u3002\u4f8b\u5982\uff0c<code>customer1 : \u5ba2\u6236<\/code>\u6216<code>order45 : \u8a02\u55ae<\/code>\u3002\u9019\u5728\u8996\u89ba\u4e0a\u8868\u660e\u6b64\u6846\u4ee3\u8868\u8a18\u61b6\u9ad4\u4e2d\u7684\u4e00\u500b\u7279\u5b9a\u5be6\u9ad4\uff0c\u800c\u975e\u4e00\u822c\u7bc4\u672c\u3002<\/p>\n<h3>\u8996\u89ba\u5c0d\u6bd4<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u932f\u8aa4\u7684\u7b26\u865f<\/th>\n<th>\u6b63\u78ba\u7684\u7b26\u865f<\/th>\n<th>\u70ba\u4f55\u5982\u6b64\u91cd\u8981<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>\u5ba2\u6236<\/code><\/td>\n<td><code>johnDoe : \u5ba2\u6236<\/code><\/td>\n<td>\u91d0\u6e05\u5be6\u4f8b\u8207\u985e\u578b\u7684\u5dee\u7570<\/td>\n<\/tr>\n<tr>\n<td><code>\u9280\u884c\u5e33\u6236<\/code><\/td>\n<td><code>acc123 : \u9280\u884c\u5e33\u6236<\/code><\/td>\n<td>\u907f\u514d\u8207\u985e\u5225\u7d50\u69cb\u7522\u751f\u6df7\u6dc6<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u932f\u8aa4 2\uff1a\u5ffd\u7565\u591a\u91cd\u6027\u9650\u5236 \ud83d\udcc9<\/h2>\n<p>\u591a\u91cd\u6027\u5b9a\u7fa9\u4e86\u4e00\u500b\u985e\u5225\u7684\u5be6\u4f8b\u8207\u53e6\u4e00\u500b\u985e\u5225\u7684\u5be6\u4f8b\u4e4b\u9593\u7684\u6578\u91cf\u95dc\u4fc2\u3002\u5728\u7269\u4ef6\u5716\u4e2d\uff0c\u4f60\u89c0\u5bdf\u7684\u662f\u7279\u5b9a\u60c5\u5883\u3002\u901a\u5e38\uff0c\u8a2d\u8a08\u8005\u6703\u756b\u51fa\u9023\u7d50\u7dda\uff0c\u537b\u672a\u9075\u5faa\u985e\u5225\u5716\u4e2d\u5b9a\u7fa9\u7684\u57fa\u6578\u898f\u5247\u3002<\/p>\n<h3>\u932f\u8aa4\u4e4b\u8655<\/h3>\n<p>\u5efa\u7acb\u5169\u500b\u7269\u4ef6\u4e4b\u9593\u7684\u9023\u7d50\uff0c\u9055\u53cd\u4e86\u6240\u5b9a\u7fa9\u7684\u591a\u91cd\u6027\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4e00\u500b<code>\u90e8\u9580<\/code>\u53ef\u4ee5\u64c1\u6709\u591a\u500b<code>0..*<\/code> <code>\u54e1\u5de5<\/code>\uff0c\u4f46\u4f60\u7684\u5716\u8868\u986f\u793a\u55ae\u4e00<code>\u90e8\u9580<\/code>\u9023\u7d50\u5230\u4e09\u500b<code>\u54e1\u5de5<\/code>\u4e14\u672a\u986f\u793a\u70ba\u96c6\u5408\uff0c\u9019\u932f\u8aa4\u5730\u6697\u793a\u4e86 1:1 \u7684\u95dc\u4fc2\u3002<\/p>\n<h3>\u6280\u8853\u4e0a\u7684\u5f71\u97ff<\/h3>\n<p>\u958b\u767c\u4eba\u54e1\u4f9d\u8cf4\u9019\u4e9b\u5716\u8868\u4f86\u7406\u89e3\u8cc7\u6599\u7d04\u675f\u3002\u5982\u679c\u5716\u8868\u986f\u793a\u4e00\u5c0d\u4e00\u95dc\u4fc2\uff0c\u800c\u5be6\u969b\u4e0a\u662f\u4e00\u5c0d\u591a\uff0c\u8cc7\u6599\u5eab\u7d50\u69cb\u53ef\u80fd\u88ab\u932f\u8aa4\u5730\u898f\u7bc4\u5316\u3002\u9019\u53ef\u80fd\u5c0e\u81f4\u8cc7\u6599\u91cd\u8907\u6216\u53c3\u8003\u5b8c\u6574\u6027\u932f\u8aa4\u3002<\/p>\n<h3>\u6700\u4f73\u5be6\u52d9<\/h3>\n<ul>\n<li>\u78ba\u4fdd\u9023\u7d50\u6578\u91cf\u7b26\u5408\u985e\u5225\u6a21\u578b\u4e2d\u5b9a\u7fa9\u7684\u591a\u91cd\u6027\u7bc4\u570d\u3002<\/li>\n<li>\u82e5\u591a\u500b\u5be6\u4f8b\u9023\u7d50\u81f3\u540c\u4e00\u500b\u5be6\u4f8b\uff0c\u8acb\u5728\u7269\u4ef6\u8868\u793a\u6cd5\u4e2d\u4f7f\u7528\u96c6\u5408\u6216\u9663\u5217\u3002<\/li>\n<li>\u4ee5\u5be6\u969b\u89c0\u5bdf\u5230\u7684\u591a\u91cd\u6027\u6a19\u793a\u9023\u7d50\u7684\u5169\u7aef\u3002<\/li>\n<\/ul>\n<h2>\u932f\u8aa4 3\uff1a\u5c6c\u6027\u503c\u4e0d\u4e00\u81f4 \ud83d\udcdd<\/h2>\n<p>\u7269\u4ef6\u5716\u4e4b\u6240\u4ee5\u7368\u7279\uff0c\u5728\u65bc\u5b83\u6703\u986f\u793a\u5be6\u969b\u7684\u503c\u3002\u7136\u800c\uff0c\u8a31\u591a\u8a2d\u8a08\u8005\u5b8c\u5168\u7701\u7565\u503c\uff0c\u6216\u4f7f\u7528\u5982<code>null<\/code>\u6216<code>empty<\/code> \u4e0d\u4e00\u81f4\u5730\u3002<\/p>\n<h3>\u932f\u8aa4<\/h3>\n<p>\u5728\u72c0\u614b\u95dc\u9375\u6642\u7559\u7a7a\u5c6c\u6027\u3002\u4f8b\u5982\uff0c\u4e00\u500b<code>\u8a02\u55ae<\/code>\u7269\u4ef6\u6c92\u6709<code>\u72c0\u614b<\/code> \u6216 <code>\u7e3d\u91d1\u984d<\/code> \u88ab\u5b9a\u7fa9\u6642\u662f\u4e0d\u5b8c\u6574\u7684\u3002\u6216\u8005\uff0c\u4f7f\u7528\u50cf<code>test123<\/code> \u9019\u6a23\u7684\u901a\u7528\u503c\u4f86\u4ee3\u8868\u6240\u6709\u5be6\u4f8b\u6703\u964d\u4f4e\u6e05\u6670\u5ea6\u3002<\/p>\n<h3>\u4fee\u6b63\u65b9\u6cd5<\/h3>\n<p>\u4f7f\u7528\u53cd\u6620\u60c5\u5883\u7684\u5be6\u969b\u8cc7\u6599\u586b\u5165\u5c6c\u6027\u3002\u5982\u679c\u8a02\u55ae\u8655\u65bc\u5f85\u8655\u7406\u72c0\u614b\uff0c\u8acb\u8a2d\u5b9a<code>\u72c0\u614b = \u5f85\u8655\u7406<\/code>\u3002\u5982\u679c\u5e33\u6236\u672a\u555f\u7528\uff0c\u8acb\u8a2d\u5b9a<code>\u555f\u7528\u72c0\u614b = \u5047<\/code>\u3002\u9019\u6709\u52a9\u65bc\u5229\u76ca\u76f8\u95dc\u8005\u9a57\u8b49\u908f\u8f2f\u3002<\/p>\n<h3>\u4f55\u6642\u7701\u7565\u503c<\/h3>\n<p>\u4e26\u975e\u6bcf\u500b\u5c6c\u6027\u5728\u6bcf\u500b\u5716\u8868\u4e2d\u90fd\u9700\u8981\u6709\u503c\u3002\u5c08\u6ce8\u65bc\u8207\u6240\u5efa\u6a21\u60c5\u5883\u76f8\u95dc\u7684\u5c6c\u6027\u3002\u5982\u679c\u5716\u8868\u662f\u95dc\u65bc\u5c0e\u822a\uff0c\u5c31\u5c08\u6ce8\u65bc\u9023\u7d50\uff1b\u5982\u679c\u662f\u95dc\u65bc\u9a57\u8b49\uff0c\u5c31\u5c08\u6ce8\u65bc\u72c0\u614b\u65d7\u6a19\u3002<\/p>\n<h2>\u932f\u8aa4 4\uff1a\u904e\u5ea6\u8907\u96dc\u5316\u7bc4\u570d \ud83c\udf10<\/h2>\n<p>\u5e38\u898b\u7684\u554f\u984c\u662f\u8a66\u5716\u5728\u55ae\u4e00\u7269\u4ef6\u5716\u4e2d\u5efa\u6a21\u6574\u500b\u7cfb\u7d71\u3002\u9019\u4e9b\u5716\u8868\u662f\u5feb\u7167\u3002\u55ae\u4e00\u5716\u8868\u61c9\u5c08\u6ce8\u65bc\u7279\u5b9a\u4f7f\u7528\u6848\u4f8b\u6216\u8cc7\u6599\u6a21\u578b\u7684\u7279\u5b9a\u5207\u7247\u3002<\/p>\n<h3>\u932f\u8aa4<\/h3>\n<p>\u7e6a\u88fd\u6578\u5343\u500b\u7269\u4ef6\u4f86\u4ee3\u8868\u6574\u500b\u8cc7\u6599\u5eab\u3002\u9019\u6703\u7522\u751f\u4e00\u500b\u96dc\u4e82\u7121\u7ae0\u3001\u7121\u6cd5\u95b1\u8b80\u7684\u8996\u89ba\u6548\u679c\u3002\u9019\u9055\u80cc\u4e86\u62bd\u8c61\u5316\u7684\u521d\u8877\u3002<\/p>\n<h3>\u5f8c\u679c<\/h3>\n<p>\u8b80\u8005\u7121\u6cd5\u8fa8\u8b58\u611f\u8208\u8da3\u7684\u95dc\u4fc2\u3002\u5716\u8868\u8b8a\u6210\u4e00\u5806\u6587\u5b57\u8207\u65b9\u6846\u3002\u7dad\u8b77\u8b8a\u5f97\u5669\u5922\u822c\u56f0\u96e3\uff0c\u56e0\u70ba\u66f4\u65b0\u4e00\u500b\u5c0f\u90e8\u5206\u5c31\u9700\u8981\u91cd\u65b0\u7e6a\u88fd\u6574\u500b\u6df7\u4e82\u7684\u5716\u8868\u3002<\/p>\n<h3>\u7bc4\u570d\u7b56\u7565<\/h3>\n<ul>\n<li><strong>\u5c08\u6ce8\u65bc\u4f7f\u7528\u6848\u4f8b\uff1a<\/strong> \u70ba\u767b\u5165\u6d41\u7a0b\u5efa\u7acb\u4e00\u500b\u5716\u8868\uff0c\u53e6\u4e00\u500b\u70ba\u7d50\u5e33\u6d41\u7a0b\u3002<\/li>\n<li><strong>\u9650\u5236\u7269\u4ef6\u6578\u91cf\uff1a<\/strong> \u5c07\u5be6\u4f8b\u6578\u91cf\u4fdd\u6301\u5728\u53ef\u7ba1\u7406\u7bc4\u570d\u5167\uff08\u4f8b\u5982\uff0c5 \u5230 15 \u500b\u7269\u4ef6\uff09\u3002<\/li>\n<li><strong>\u5206\u7d44\u76f8\u95dc\u7269\u4ef6\uff1a<\/strong>\u4f7f\u7528\u6846\u7dda\u6216\u5340\u57df\u4f86\u5206\u7d44\u76f8\u95dc\u7684\u5be6\u4f8b\u3002<\/li>\n<\/ul>\n<h2>\u932f\u8aa4 5\uff1a\u932f\u8aa4\u8868\u793a\u95dc\u806f\u8207\u805a\u5408 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6\uff1a\u5ffd\u7565\u5c0e\u822a\u8def\u5f91 \ud83e\udded<\/h2>\n<p>\u7269\u4ef6\u5716\u5e38\u88ab\u7528\u4f86\u7406\u89e3\u7a0b\u5f0f\u8a2d\u8a08\u5e2b\u5982\u4f55\u5c0e\u822a\u7269\u4ef6\u5716\u3002\u82e5\u7bad\u982d\u6216\u9023\u7d50\u6a19\u7c64\u672a\u6a19\u793a\u65b9\u5411\uff0c\u8a72\u5716\u5c0d\u7a0b\u5f0f\u8a2d\u8a08\u7684\u5e6b\u52a9\u5c07\u964d\u4f4e\u3002<\/p>\n<h3>\u932f\u8aa4\u4e4b\u8655<\/h3>\n<p>\u5728\u7a0b\u5f0f\u78bc\u50c5\u5141\u8a31\u55ae\u5411\u5b58\u53d6\u6642\u4f7f\u7528\u96d9\u5411\u7dda\u689d\u3002\u4f8b\u5982\uff0c\u4e00\u500b<code>\u99d5\u99db\u54e1<\/code>\u77e5\u9053\u4e00\u500b<code>\u6c7d\u8eca<\/code>\uff0c\u4f46\u9019\u90e8<code>\u6c7d\u8eca<\/code> \u4e0d\u6703\u5132\u5b58\u5c0d\u8a72\u7684\u53c3\u8003<code>\u99d5\u99db\u54e1<\/code>\u3002\u5982\u679c\u4f60\u5728\u5169\u7aef\u90fd\u756b\u4e0a\u83f1\u5f62\uff0c\u5c31\u8868\u793a\u96d9\u5411\u5b58\u53d6\u3002<\/p>\n<h3>\u4fee\u6b63\u65b9\u6cd5<\/h3>\n<ul>\n<li>\u4f7f\u7528\u7bad\u982d\u4f86\u8868\u793a\u5c0e\u822a\u65b9\u5411\u3002<\/li>\n<li>\u5982\u6709\u9700\u8981\uff0c\u8acb\u4ee5\u89d2\u8272\u540d\u7a31\u6a19\u793a\u9023\u7d50\u3002<\/li>\n<li>\u78ba\u4fdd\u65b9\u5411\u8207\u7a0b\u5f0f\u78bc\u4e2d\u7684 getter\/setter \u5be6\u4f5c\u76f8\u7b26\u3002<\/li>\n<\/ul>\n<h2>\u932f\u8aa4 7\uff1a\u547d\u540d\u898f\u7bc4\u4e0d\u4e00\u81f4 \ud83c\udff7\ufe0f<\/h2>\n<p>\u547d\u540d\u662f\u6587\u4ef6\u7de8\u5beb\u4e2d\u81f3\u95dc\u91cd\u8981\u7684\u90e8\u5206\u3002\u547d\u540d\u4e0d\u4e00\u81f4\u6703\u8b93\u5716\u8868\u96e3\u4ee5\u5feb\u901f\u700f\u89bd\u8207\u53c3\u8003\u3002<\/p>\n<h3>\u932f\u8aa4<\/h3>\n<p>\u4f7f\u7528<code>obj1<\/code>, <code>tempVar<\/code>, <code>User123<\/code>\uff0c\u4ee5\u53ca<code>customer_instance<\/code>\u65bc\u540c\u4e00\u5f35\u5716\u8868\u4e2d\u3002\u9019\u6703\u589e\u52a0\u8a8d\u77e5\u8ca0\u8377\u3002\u8b80\u8005\u6703\u82b1\u6642\u9593\u89e3\u8b80\u540d\u7a31\uff0c\u800c\u975e\u7406\u89e3\u95dc\u4fc2\u3002<\/p>\n<h3>\u5efa\u8b70\u7684\u898f\u7bc4<\/h3>\n<ul>\n<li>\u6839\u64da\u60c5\u5883\u4e2d\u7684\u89d2\u8272\u4f7f\u7528\u63cf\u8ff0\u6027\u540d\u7a31\u3002<\/li>\n<li>\u5982\u679c\u89d2\u8272\u662f\u901a\u7528\u7684\uff0c\u8acb\u4ee5\u985e\u5225\u540d\u7a31\u4f5c\u70ba\u524d\u7f6e\uff08\u4f8b\u5982\uff0c<code>primaryUser<\/code>).<\/li>\n<li>\u907f\u514d\u4f7f\u7528\u901a\u7528\u6578\u5b57\uff0c\u9664\u975e\u5b83\u4ee3\u8868\u7279\u5b9a\u7684 ID\uff08\u4f8b\u5982\uff0c<code>order_554<\/code>).<\/li>\n<li>\u5728\u5c08\u6848\u7684\u6240\u6709\u5716\u8868\u4e2d\u4fdd\u6301\u547d\u540d\u4e00\u81f4\u3002<\/li>\n<\/ul>\n<h2>\u932f\u8aa4 8\uff1a\u5ffd\u7565\u7269\u4ef6\u5716\u4e2d\u7684\u7e7c\u627f\u95dc\u4fc2 \ud83c\udfdb\ufe0f<\/h2>\n<p>\u96d6\u7136\u7269\u4ef6\u5716\u8457\u91cd\u65bc\u5be6\u4f8b\uff0c\u4f46\u7e7c\u627f\u4ecd\u7136\u5177\u6709\u4f5c\u7528\u3002\u5982\u679c\u4e00\u500b\u985e\u5225\u662f\u53e6\u4e00\u500b\u985e\u5225\u7684\u5b50\u985e\u5225\uff0c\u5176\u5be6\u4f8b\u61c9\u660e\u78ba\u53cd\u6620\u5176\u985e\u578b\u3002<\/p>\n<h3>\u932f\u8aa4<\/h3>\n<p>\u5c07\u6240\u6709\u5be6\u4f8b\u6b78\u985e\u70ba\u5176\u7236\u985e\u578b\u3002\u5982\u679c\u4f60\u6709\u4e00\u500b<code>Vehicle<\/code>\u985e\u5225\u4ee5\u53ca<code>Car<\/code>\u548c<code>Truck<\/code>\u5b50\u985e\u5225\uff0c\u5be6\u4f8b\u61c9\u6a19\u8a18\u70ba<code>myCar : Car<\/code>\uff0c\u800c\u4e0d\u662f<code>myCar : Vehicle<\/code>.<\/p>\n<h3>\u70ba\u4ec0\u9ebc\u9019\u5f88\u91cd\u8981<\/h3>\n<p>\u5b50\u985e\u5225\u901a\u5e38\u5177\u6709\u4e0d\u540c\u7684\u5c6c\u6027\u6216\u884c\u70ba\u3002\u5c07\u5be6\u4f8b\u6a19\u8a18\u70ba\u7236\u985e\u5225\u6703\u96b1\u85cf\u5b50\u985e\u5225\u7684\u7279\u5b9a\u5c6c\u6027\u3002\u5982\u679c\u7a0b\u5f0f\u78bc\u4f9d\u8cf4\u65bc\u5b50\u985e\u5225\u5c08\u6709\u7684\u65b9\u6cd5\uff0c\u9019\u53ef\u80fd\u6703\u5c0e\u81f4\u985e\u578b\u932f\u8aa4\u3002<\/p>\n<h2>\u932f\u8aa4 9\uff1a\u672a\u80fd\u96a8\u8457\u7cfb\u7d71\u8b8a\u66f4\u800c\u66f4\u65b0 \ud83d\udd04<\/h2>\n<p>\u7269\u4ef6\u5716\u8868\u4ee3\u8868\u4e00\u7a2e\u72c0\u614b\u3002\u7cfb\u7d71\u6703\u6f14\u9032\u3002\u4eca\u5929\u5efa\u7acb\u7684\u5716\u8868\u53ef\u80fd\u660e\u5929\u5c31\u904e\u6642\u4e86\u3002\u932f\u8aa4\u5728\u65bc\u5c07\u5716\u8868\u8996\u70ba\u5f9e\u4e0d\u8b8a\u66f4\u7684\u975c\u614b\u8cc7\u7522\u3002<\/p>\n<h3>\u98a8\u96aa<\/h3>\n<p>\u958b\u767c\u4eba\u54e1\u9075\u5faa\u820a\u7684\u5716\u8868\u4e26\u5be6\u4f5c\u820a\u7684\u908f\u8f2f\u3002\u9019\u6703\u7522\u751f\u6280\u8853\u8ca0\u50b5\u3002\u6587\u4ef6\u8207\u7a0b\u5f0f\u78bc\u812b\u7bc0\u3002<\/p>\n<h3>\u7dad\u8b77\u7b56\u7565<\/h3>\n<ul>\n<li>\u5728 sprint 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\ud83d\udd0d<\/h2>\n<p>\u4e86\u89e3\u9019\u5169\u7a2e\u5716\u8868\u5982\u4f55\u4e92\u52d5\u81f3\u95dc\u91cd\u8981\u3002\u985e\u5225\u5716\u662f\u5408\u7d04\uff0c\u7269\u4ef6\u5716\u662f\u57f7\u884c\u3002<\/p>\n<h3>\u4e3b\u8981\u5dee\u7570<\/h3>\n<ul>\n<li><strong>\u985e\u5225\u5716\uff1a<\/strong>\u4e00\u822c\u6027\u5730\u5b9a\u7fa9\u7d50\u69cb\u3001\u65b9\u6cd5\u3001\u5c6c\u6027\u548c\u95dc\u4fc2\u3002\u5b83\u662f\u6c38\u6046\u7684\u3002<\/li>\n<li><strong>\u7269\u4ef6\u5716\uff1a<\/strong>\u5b9a\u7fa9\u4e00\u7d44\u7279\u5b9a\u7684\u5be6\u4f8b\u53ca\u5176\u76ee\u524d\u7684\u503c\u3002\u5b83\u662f\u66ab\u6642\u7684\u3002<\/li>\n<\/ul>\n<h3>\u9a57\u8b49\u6d41\u7a0b<\/h3>\n<p>\u5728\u6700\u7d42\u78ba\u5b9a\u7269\u4ef6\u5716\u4e4b\u524d\uff0c\u8acb\u6839\u64da\u985e\u5225\u5716\u9032\u884c\u9a57\u8b49\u3002\u8acb\u63d0\u51fa\u4ee5\u4e0b\u554f\u984c\uff1a<\/p>\n<ol>\n<li>\u5716\u4e2d\u7684\u6bcf\u500b\u7269\u4ef6\u662f\u5426\u90fd\u6709\u5c0d\u61c9\u7684\u985e\u5225\uff1f<\/li>\n<li>\u5716\u4e2d\u7684\u6240\u6709\u9023\u7d50\u662f\u5426\u90fd\u5b58\u5728\u65bc\u985e\u5225\u5716\u4e2d\uff1f<\/li>\n<li>\u5c6c\u6027\u7684\u985e\u578b\u662f\u5426\u8207\u985e\u5225\u5b9a\u7fa9\u4e00\u81f4\uff1f<\/li>\n<li>\u591a\u91cd\u6027\u7d04\u675f\u662f\u5426\u76f8\u7b26\uff1f<\/li>\n<\/ol>\n<h2>\u9032\u968e\u8003\u91cf\uff1a\u5e8f\u5217\u5316\u8207\u6301\u4e45\u5316 \ud83d\uddc4\ufe0f<\/h2>\n<p>\u5728\u8a2d\u8a08\u5132\u5b58\u72c0\u614b\u7684\u7cfb\u7d71\uff08\u8cc7\u6599\u5eab\u3001\u6a94\u6848\u7cfb\u7d71\uff09\u6642\uff0c\u7269\u4ef6\u5716\u6709\u52a9\u65bc\u8996\u89ba\u5316\u5e8f\u5217\u5316\u904e\u7a0b\u3002\u4e00\u500b\u5e38\u898b\u7684\u932f\u8aa4\u662f\u5ffd\u7565\u7269\u4ef6\u662f\u5982\u4f55\u88ab\u5132\u5b58\u7684\u3002<\/p>\n<h3>\u932f\u8aa4\u4e4b\u8655<\/h3>\n<p>\u5728\u8a18\u61b6\u9ad4\u4e2d\u5efa\u6a21\u7269\u4ef6\u6642\uff0c\u672a\u8003\u616e\u5b83\u5011\u5982\u4f55\u5c0d\u61c9\u5230\u5132\u5b58\u7a7a\u9593\u3002\u4f8b\u5982\uff0c\u7269\u4ef6\u5716\u53ef\u80fd\u5f62\u6210\u74b0\u72c0\u7d50\u69cb\u3002\u5728\u8cc7\u6599\u5eab\u4e2d\uff0c\u82e5\u672a\u6b63\u78ba\u8655\u7406\uff0c\u74b0\u72c0\u53c3\u8003\u53ef\u80fd\u6703\u5c0e\u81f4\u554f\u984c\u3002<\/p>\n<h3>\u4fee\u6b63\u65b9\u6cd5<\/h3>\n<p>\u5206\u6790\u7269\u4ef6\u5716\u4e2d\u662f\u5426\u5b58\u5728\u5faa\u74b0\u3002\u5982\u679c\u4f60\u770b\u5230<code>A<\/code>\u9023\u7d50\u5230<code>B<\/code>\u4ee5\u53ca<code>B<\/code>\u9023\u7d50\u56de<code>A<\/code>\uff0c\u8acb\u8003\u616e\u6b64\u7d50\u69cb\u5982\u4f55\u88ab\u6301\u4e45\u5316\u3002\u9019\u53ef\u80fd\u9700\u8981\u5728\u5132\u5b58\u6642\u6253\u7834\u9023\u7d50\uff0c\u6216\u8b39\u614e\u4f7f\u7528\u5916\u9375\u3002<\/p>\n<h2>\u6700\u4f73\u5be6\u52d9\u7e3d\u7d50 \u2705<\/h2>\n<p>\u70ba\u78ba\u4fdd\u9ad8\u54c1\u8cea\u7684UML\u7269\u4ef6\u5716\uff0c\u8acb\u9075\u5faa\u4ee5\u4e0b\u6838\u5fc3\u539f\u5247\uff1a<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u5be6\u4f8b\u8a9e\u6cd5\uff1a<\/strong> \u59cb\u7d42\u5c07\u65b9\u6846\u6a19\u8a18\u70ba<code>\u540d\u7a31 : \u985e\u578b<\/code>.<\/li>\n<li><strong>\u5c0a\u91cd\u591a\u91cd\u6027\uff1a<\/strong> \u78ba\u4fdd\u9023\u7d50\u6578\u91cf\u7b26\u5408\u57fa\u6578\u898f\u5247\u3002<\/li>\n<li><strong>\u5b9a\u7fa9\u7bc4\u570d\uff1a<\/strong> \u805a\u7126\u65bc\u7279\u5b9a\u60c5\u5883\uff0c\u800c\u975e\u6574\u500b\u8cc7\u6599\u5eab\u3002<\/li>\n<li><strong>\u6a19\u793a\u95dc\u4fc2\uff1a<\/strong> \u4f7f\u7528\u7bad\u982d\u548c\u89d2\u8272\u540d\u7a31\u4f86\u986f\u793a\u5c0e\u822a\u3002<\/li>\n<li><strong>\u586b\u5165\u503c\uff1a<\/strong> \u5728\u76f8\u95dc\u60c5\u6cc1\u4e0b\u986f\u793a\u771f\u5be6\u7684\u5c6c\u6027\u8cc7\u6599\u3002<\/li>\n<li><strong>\u4fdd\u6301\u4e00\u81f4\u6027\uff1a<\/strong> \u5728\u6240\u6709\u5716\u8868\u4e2d\u4f7f\u7528\u4e00\u81f4\u7684\u547d\u540d\u3002<\/li>\n<li><strong>\u8207\u985e\u5225\u9032\u884c\u9a57\u8b49\uff1a<\/strong> \u78ba\u4fdd\u6bcf\u500b\u5be6\u4f8b\u90fd\u5c0d\u61c9\u5230\u6709\u6548\u7684\u985e\u5225\u5b9a\u7fa9\u3002<\/li>\n<\/ul>\n<h2>\u95dc\u65bc\u7269\u4ef6\u5716\u7684\u5e38\u898b\u554f\u984c \u2753<\/h2>\n<h3>\u6211\u53ef\u4ee5\u4f7f\u7528\u7269\u4ef6\u5716\u4f86\u8868\u793a\u52d5\u614b\u884c\u70ba\u55ce\uff1f<\/h3>\n<p>\u4e0d\u884c\u3002\u7269\u4ef6\u5716\u662f\u975c\u614b\u7684\uff0c\u5b83\u5011\u986f\u793a\u7684\u662f\u72c0\u614b\u800c\u975e\u884c\u70ba\u3002\u82e5\u8981\u8868\u793a\u884c\u70ba\uff0c\u8acb\u4f7f\u7528\u5e8f\u5217\u5716\u6216\u6d3b\u52d5\u5716\u3002\u4f7f\u7528\u7269\u4ef6\u5716\u4f86\u986f\u793a\u6d41\u7a0b\u6703\u8b93\u8b80\u8005\u611f\u5230\u6df7\u6dc6\u3002<\/p>\n<h3>\u6bcf\u500b\u5c08\u6848\u90fd\u5fc5\u9808\u4f7f\u7528\u7269\u4ef6\u5716\u55ce\uff1f<\/h3>\n<p>\u4e26\u975e\u7e3d\u662f\u5982\u6b64\u3002\u5c0d\u65bc\u7c21\u55ae\u7684\u5c08\u6848\uff0c\u5b83\u5011\u53ef\u80fd\u591a\u9918\u3002\u7136\u800c\uff0c\u5c0d\u65bc\u5177\u6709\u8907\u96dc\u8cc7\u6599\u95dc\u4fc2\u7684\u8907\u96dc\u7cfb\u7d71\uff0c\u5b83\u5011\u5728\u9664\u932f\u548c\u7406\u89e3\u72c0\u614b\u65b9\u9762\u6975\u70ba\u91cd\u8981\u3002<\/p>\n<h3>\u6211\u8a72\u5982\u4f55\u8655\u7406\u7269\u4ef6\u5716\u4e2d\u7684\u96c6\u5408\uff1f<\/h3>\n<p>\u60a8\u53ef\u4ee5\u900f\u904e\u5c0d\u540c\u4e00\u7269\u4ef6\u7e6a\u88fd\u591a\u689d\u7dda\uff0c\u6216\u5728\u7269\u4ef6\u6846\u5167\u4f7f\u7528\u6e05\u55ae\u7b26\u865f\u4f86\u8868\u793a\u96c6\u5408\uff08\u4f8b\u5982\uff0c<code>\u8a02\u55ae\uff1aList&lt;Order&gt;<\/code>\uff09\u3002\u8acb\u660e\u78ba\u6307\u51fa\u8a72\u7269\u4ef6\u662f\u6301\u6709\u5c0d\u96c6\u5408\u7684\u53c3\u8003\uff0c\u9084\u662f\u5c0d\u55ae\u7368\u5be6\u4f8b\u7684\u53c3\u8003\u3002<\/p>\n<h2>\u95dc\u65bc\u5716\u8868\u6e96\u78ba\u6027\u7684\u6700\u5f8c\u60f3\u6cd5 \ud83c\udfaf<\/h2>\n<p>\u5efa\u6a21\u7684\u6e96\u78ba\u6027\u4e26\u975e\u8ffd\u6c42\u5b8c\u7f8e\uff0c\u800c\u662f\u70ba\u4e86\u6e9d\u901a\u3002\u4e00\u500b\u7a0d\u4f5c\u7c21\u5316\u4f46\u6e96\u78ba\u7684\u5716\u8868\uff0c\u52dd\u904e\u4e00\u500b\u8907\u96dc\u4e14\u4ee4\u4eba\u56f0\u60d1\u7684\u5716\u8868\u3002\u907f\u514d\u4e0a\u8ff0\u932f\u8aa4\uff0c\u4ee5\u78ba\u4fdd\u60a8\u7684\u5716\u8868\u80fd\u767c\u63ee\u5176\u4f5c\u7528\uff1a\u70ba\u958b\u767c\u4eba\u54e1\u548c\u5229\u76ca\u76f8\u95dc\u8005\u91d0\u6e05\u7cfb\u7d71\u3002<\/p>\n<p>\u900f\u904e\u5c08\u6ce8\u65bc\u7b26\u865f\u3001\u7bc4\u570d\u548c\u95dc\u4fc2\uff0c\u60a8\u5c07\u5275\u9020\u51fa\u80fd\u7d93\u5f97\u8d77\u6642\u9593\u8003\u9a57\u7684\u5716\u8868\u3002\u5b83\u5011\u6703\u6210\u70ba\u6307\u5c0e\u958b\u767c\u904e\u7a0b\u7684\u6d3b\u6587\u4ef6\uff0c\u800c\u975e\u969c\u7919\u3002\u4fdd\u6301\u60a8\u7684\u5716\u8868\u4e7e\u6de8\u3001\u4e00\u81f4\uff0c\u4e26\u5c08\u6ce8\u65bc\u60a8\u60f3\u8981\u50b3\u9054\u7684\u7279\u5b9a\u72c0\u614b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>UML\u7269\u4ef6\u5716\u4f5c\u70ba\u7cfb\u7d71\u5728\u7279\u5b9a\u6642\u523b\u7684\u95dc\u9375\u5feb\u7167\u3002\u8207\u5b9a\u7fa9\u85cd\u5716\u7684\u985e\u5716\u4e0d\u540c\uff0c\u7269\u4ef6\u5716\u53ef\u8996\u5316\u5be6\u969b\u7684\u5be6\u4f8b\u53ca\u5176\u95dc\u4fc2\u3002\u5b83\u80fd\u6e05\u695a\u5730\u8aaa\u660e [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":1596,"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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