{"id":101,"date":"2026-04-05T16:33:40","date_gmt":"2026-04-05T16:33:40","guid":{"rendered":"https:\/\/www.go-notes.com\/tw\/quick-start-guide-drawing-uml-class-diagrams\/"},"modified":"2026-04-05T16:33:40","modified_gmt":"2026-04-05T16:33:40","slug":"quick-start-guide-drawing-uml-class-diagrams","status":"publish","type":"post","link":"https:\/\/www.go-notes.com\/tw\/quick-start-guide-drawing-uml-class-diagrams\/","title":{"rendered":"\u7e6a\u88fdUML\u985e\u5716\u7684\u5feb\u901f\u5165\u9580\u6307\u5357"},"content":{"rendered":"<p>\u7406\u89e3\u8edf\u9ad4\u7cfb\u7d71\u67b6\u69cb\u7684\u8d77\u9ede\u662f\u6e05\u6670\u7684\u8996\u89ba\u5316\u3002<strong>UML\u985e\u5716<\/strong>\u4f5c\u70ba\u7269\u4ef6\u5c0e\u5411\u7a0b\u5f0f\u8a2d\u8a08\u7684\u85cd\u5716\u3002\u5b83\u5011\u5728\u64b0\u5beb\u4efb\u4f55\u7a0b\u5f0f\u78bc\u4e4b\u524d\uff0c\u5b9a\u7fa9\u4e86\u7cfb\u7d71\u4e2d\u7684\u7d50\u69cb\u3001\u884c\u70ba\u548c\u95dc\u4fc2\u3002\u672c\u6307\u5357\u5168\u9762\u6982\u8ff0\u4e86\u5982\u4f55\u6709\u6548\u5730\u69cb\u5efa\u9019\u4e9b\u5716\u8868\uff0c\u78ba\u4fdd\u5728\u6574\u500b\u958b\u767c\u9031\u671f\u4e2d\u4fdd\u6301\u6e05\u6670\u8207\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Charcoal contour sketch infographic of UML class diagram fundamentals: three-compartment class structure with PascalCase naming, visibility modifiers (+\/-\/#\/~), five relationship types with symbols (association, aggregation hollow diamond, composition solid diamond, generalization triangle, dependency dashed arrow), multiplicity notations (1, 0..1, 0..*, 1..*), and 5-step workflow for object-oriented software architecture design\" decoding=\"async\" src=\"https:\/\/www.go-notes.com\/wp-content\/uploads\/2026\/04\/uml-class-diagram-quick-start-guide-charcoal-sketch-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>\u4ec0\u9ebc\u662fUML\u985e\u5716\uff1f \ud83c\udfd7\ufe0f<\/h2>\n<p>\u7d71\u4e00\u5851\u6a21\u8a9e\u8a00\uff08UML\uff09\u985e\u5716\u662f\u4e00\u7a2e\u975c\u614b\u7d50\u69cb\u5716\uff0c\u900f\u904e\u986f\u793a\u7cfb\u7d71\u7684\u985e\u5225\u3001\u5c6c\u6027\u3001\u64cd\u4f5c\uff08\u6216\u65b9\u6cd5\uff09\u4ee5\u53ca\u7269\u4ef6\u4e4b\u9593\u7684\u95dc\u4fc2\uff0c\u4f86\u63cf\u8ff0\u7cfb\u7d71\u7684\u7d50\u69cb\u3002\u8207\u986f\u793a\u6642\u9593\u4e0a\u884c\u70ba\u7684\u5e8f\u5217\u5716\u4e0d\u540c\uff0c\u985e\u5716\u8457\u91cd\u65bc<em>\u4ec0\u9ebc<\/em>\u800c\u975e<em>\u4f55\u6642<\/em>.<\/p>\n<ul>\n<li><strong>\u975c\u614b\u8996\u5716\uff1a<\/strong> \u5b83\u4ee3\u8868\u7cfb\u7d71\u5728\u67d0\u4e00\u7279\u5b9a\u6642\u9593\u9ede\u7684\u72c0\u614b\u3002<\/li>\n<li><strong> \u7d50\u69cb\u8996\u5716\uff1a<\/strong> \u5b83\u6982\u8ff0\u4e86\u5143\u4ef6\u53ca\u5176\u9023\u63a5\u65b9\u5f0f\u3002<\/li>\n<li><strong> \u57fa\u790e\uff1a<\/strong> \u5b83\u662f\u7269\u4ef6\u5c0e\u5411\u8a2d\u8a08\u4e2dUML\u5957\u4ef6\u88e1\u4f7f\u7528\u6700\u5ee3\u6cdb\u7684\u5716\u8868\u3002<\/li>\n<\/ul>\n<p>\u900f\u904e\u5c07\u8cc7\u6599\u8207\u908f\u8f2f\u4e00\u8d77\u8996\u89ba\u5316\uff0c\u958b\u767c\u4eba\u54e1\u53ef\u4ee5\u5728\u6d41\u7a0b\u65e9\u671f\u8b58\u5225\u51fa\u6709\u95dc\u8cc7\u6599\u5b8c\u6574\u6027\u3001\u8026\u5408\u5ea6\u8207\u5167\u805a\u6027\u7684\u6f5b\u5728\u554f\u984c\u3002<\/p>\n<h2>\u985e\u7684\u6838\u5fc3\u7d44\u4ef6 \ud83d\udce6<\/h2>\n<p>\u985e\u5716\u4e2d\u7684\u6bcf\u500b\u5143\u7d20\u90fd\u5fc5\u9808\u7cbe\u78ba\u3002\u985e\u901a\u5e38\u4ee5\u4e00\u500b\u88ab\u5206\u6210\u4e09\u500b\u5340\u584a\u7684\u77e9\u5f62\u4f86\u8868\u793a\u3002\u6bcf\u500b\u5340\u584a\u5728\u5b9a\u7fa9\u985e\u7684\u8eab\u5206\u8207\u529f\u80fd\u4e0a\u90fd\u5177\u6709\u7368\u7279\u7684\u7528\u9014\u3002<\/p>\n<h3>1. \u985e\u540d\u5340\u584a<\/h3>\n<p>\u9802\u90e8\u5340\u584a\u5305\u542b\u985e\u7684\u540d\u7a31\u3002\u9019\u61c9\u70ba\u540d\u8a5e\uff0c\u53cd\u6620\u88ab\u5efa\u6a21\u7684\u5be6\u9ad4\u3002<\/p>\n<ul>\n<li><strong>\u5927\u5c0f\u5beb\uff1a<\/strong> \u4f7f\u7528\u5e15\u65af\u5361\u547d\u540d\u6cd5\uff08\u4f8b\u5982\uff0c<code>CustomerAccount<\/code>).<\/li>\n<li><strong>\u62bd\u8c61\u985e\u5225\uff1a<\/strong> \u5982\u679c\u985e\u5225\u7121\u6cd5\u76f4\u63a5\u5be6\u4f8b\u5316\uff0c\u5247\u5c07\u540d\u7a31\u659c\u9ad4\u5316\uff08\u4f8b\u5982\uff0c<em>Animal<\/em>).<\/li>\n<li><strong>\u4ecb\u9762\uff1a<\/strong> \u5e38\u4ee5\u7bc4\u5f0f\u8868\u793a<code>&lt;&lt;\u4ecb\u9762&gt;&gt;<\/code>.<\/li>\n<\/ul>\n<h3>2. \u5c6c\u6027\u5340<\/h3>\n<p>\u4e2d\u9593\u90e8\u5206\u5217\u51fa\u985e\u5225\u7684\u5c6c\u6027\u6216\u8cc7\u6599\u6210\u54e1\u3002\u9019\u5b9a\u7fa9\u4e86\u7269\u4ef6\u7684\u72c0\u614b\u3002<\/p>\n<ul>\n<li><strong>\u8cc7\u6599\u985e\u578b\uff1a<\/strong> \u6307\u5b9a\u985e\u578b\uff08\u4f8b\u5982\uff0c<code>\u5b57\u4e32<\/code>, <code>\u6574\u6578<\/code>, <code>\u65e5\u671f<\/code>).<\/li>\n<li><strong>\u53ef\u898b\u6027\uff1a<\/strong> \u4f7f\u7528\u7b26\u865f\u4f86\u8868\u793a\u5b58\u53d6\u5c64\u7d1a\uff08\u898b\u4e0b\u8868\uff09\u3002<\/li>\n<li><strong>\u521d\u59cb\u503c\uff1a<\/strong> \u60a8\u53ef\u5305\u542b\u9810\u8a2d\u503c\uff08\u4f8b\u5982\uff0c<code>isActive = true<\/code>).<\/li>\n<\/ul>\n<h3>3. \u64cd\u4f5c\u5340<\/h3>\n<p>\u5e95\u90e8\u90e8\u5206\u5217\u51fa\u985e\u5225\u53ef\u57f7\u884c\u7684\u65b9\u6cd5\u6216\u51fd\u6578\u3002\u9019\u5b9a\u7fa9\u4e86\u884c\u70ba\u3002<\/p>\n<ul>\n<li><strong>\u65b9\u6cd5\u540d\u7a31\uff1a<\/strong> \u4f7f\u7528\u99dd\u5cf0\u5f0f\u547d\u540d\u6cd5\uff08\u4f8b\u5982\uff0c<code>calculateTotal()<\/code>).<\/li>\n<li><strong>\u53c3\u6578\uff1a<\/strong>\u5728\u62ec\u865f\u5167\u5305\u542b\u8f38\u5165\u53c3\u6578\u53ca\u5176\u985e\u578b\u3002<\/li>\n<li><strong>\u50b3\u56de\u985e\u578b\uff1a<\/strong> \u5728\u5192\u865f\u5f8c\u6307\u5b9a\u8f38\u51fa\u985e\u578b\uff08\u4f8b\u5982\uff0c<code>: \u96d9\u7cbe\u5ea6<\/code>).<\/li>\n<\/ul>\n<h3>\u53ef\u898b\u6027\u4fee\u98fe\u7b26\u8868\u683c \ud83d\udc41\ufe0f<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u7b26\u865f<\/th>\n<th>\u53ef\u898b\u6027<\/th>\n<th>\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><code>+<\/code><\/td>\n<td>\u516c\u958b<\/td>\n<td>\u53ef\u5f9e\u4efb\u4f55\u985e\u5225\u5b58\u53d6\u3002<\/td>\n<\/tr>\n<tr>\n<td><code>-<\/code><\/td>\n<td>\u79c1\u6709<\/td>\n<td>\u50c5\u53ef\u5728\u985e\u5225\u672c\u8eab\u5167\u90e8\u5b58\u53d6\u3002<\/td>\n<\/tr>\n<tr>\n<td><code>#<\/code><\/td>\n<td>\u53d7\u4fdd\u8b77<\/td>\n<td>\u53ef\u5728\u985e\u5225\u53ca\u5176\u5b50\u985e\u5225\u4e2d\u5b58\u53d6\u3002<\/td>\n<\/tr>\n<tr>\n<td><code>~<\/code><\/td>\n<td>\u5957\u4ef6<\/td>\n<td>\u53ef\u5728\u540c\u4e00\u5957\u4ef6\u6216\u547d\u540d\u7a7a\u9593\u4e2d\u5b58\u53d6\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u7406\u89e3\u95dc\u4fc2 \ud83d\udd17<\/h2>\n<p>\u985e\u5225\u5f88\u5c11\u5b64\u7acb\u5b58\u5728\u3002\u5b83\u5011\u900f\u904e\u95dc\u4fc2\u9032\u884c\u4e92\u52d5\u3002\u7406\u89e3\u4e0d\u540c\u985e\u578b\u9023\u7d50\u4e4b\u9593\u7684\u7d30\u5fae\u5dee\u5225\u5c0d\u65bc\u6e96\u78ba\u5efa\u6a21\u81f3\u95dc\u91cd\u8981\u3002\u985e\u5225\u5716\u4e2d\u4f7f\u7528\u4e86\u4e94\u7a2e\u4e3b\u8981\u95dc\u4fc2\u985e\u578b\u3002<\/p>\n<h3>1. \u95dc\u806f<\/h3>\n<p>\u95dc\u806f\u4ee3\u8868\u5169\u500b\u985e\u5225\u4e4b\u9593\u7684\u7d50\u69cb\u6027\u9023\u7d50\u3002\u9019\u8868\u793a\u4e00\u500b\u985e\u5225\u7684\u7269\u4ef6\u53ef\u80fd\u77e5\u9053\u53e6\u4e00\u500b\u985e\u5225\u7684\u7269\u4ef6\u3002\u901a\u5e38\u70ba\u96d9\u5411\u9023\u7d50\uff0c\u9664\u975e\u53e6\u6709\u8aaa\u660e\u3002<\/p>\n<ul>\n<li><strong>\u7bc4\u4f8b\uff1a<\/strong>\u4e00\u4f4d<code>\u91ab\u751f<\/code>\u6cbb\u7642\u4e00\u4f4d<code>\u75c5\u60a3<\/code>.<\/li>\n<li><strong>\u65b9\u5411\uff1a<\/strong>\u53ef\u4ee5\u662f\u55ae\u5411\u6216\u96d9\u5411\u3002<\/li>\n<li><strong>\u6a19\u7c64\uff1a<\/strong> \u95dc\u4fc2\u61c9\u5177\u6709\u6709\u610f\u7fa9\u7684\u540d\u7a31\uff08\u4f8b\u5982\uff0c<code>\u7ba1\u7406<\/code>, <code>\u50f1\u7528<\/code>).<\/li>\n<\/ul>\n<h3>2. \u805a\u5408<\/h3>\n<p>\u805a\u5408\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u95dc\u806f\u5f62\u5f0f\uff0c\u4ee3\u8868\u4e00\u7a2e<em>\u6574\u9ad4-\u90e8\u5206<\/em>\u95dc\u4fc2\u3002\u7136\u800c\uff0c\u90e8\u5206\u53ef\u4ee5\u7368\u7acb\u65bc\u6574\u9ad4\u5b58\u5728\u3002\u5b83\u901a\u5e38\u88ab\u63cf\u8ff0\u70ba\u4e00\u7a2e<strong>\u300c\u64c1\u6709-\u67d0\u7269\u300d<\/strong>\u95dc\u4fc2\u3002<\/p>\n<ul>\n<li><strong>\u7bc4\u4f8b\uff1a<\/strong>\u4e00\u68df<code>\u90e8\u9580<\/code>\u64c1\u6709<code>\u54e1\u5de5<\/code>\u3002\u5982\u679c\u90e8\u9580\u89e3\u6563\uff0c\u54e1\u5de5\u4ecd\u7136\u5b58\u5728\u3002<\/li>\n<li><strong>\u7b26\u865f\uff1a<\/strong>\u5728\u7dda\u689d\u7684<em>\u6574\u9ad4<\/em>\u4e00\u7aef\u7684\u7a7a\u5fc3\u83f1\u5f62\u3002<\/li>\n<\/ul>\n<h3>3. \u7d44\u5408<\/h3>\n<p>\u7d44\u5408\u662f\u805a\u5408\u7684\u4e00\u7a2e\u66f4\u5f37\u5f62\u5f0f\u3002\u5b83\u6697\u793a\u7368\u4f54\u6240\u6709\u6b0a\u3002\u90e8\u5206\u7121\u6cd5\u5728\u6c92\u6709\u6574\u9ad4\u7684\u60c5\u6cc1\u4e0b\u5b58\u5728\u3002\u5982\u679c\u6574\u9ad4\u88ab\u6467\u6bc0\uff0c\u90e8\u5206\u4e5f\u6703\u96a8\u4e4b\u88ab\u6467\u6bc0\u3002<\/p>\n<ul>\n<li><strong>\u7bc4\u4f8b\uff1a<\/strong>\u4e00\u68df<code>\u623f\u5c4b<\/code>\u5305\u542b<code>\u623f\u9593<\/code>\u3002\u5982\u679c\u623f\u5c4b\u88ab\u62c6\u9664\uff0c\u9019\u4e9b\u623f\u9593\u5c31\u4e0d\u518d\u4f5c\u70ba\u8a72\u623f\u5c4b\u7684\u4e00\u90e8\u5206\u5b58\u5728\u3002<\/li>\n<li><strong>\u7b26\u865f\uff1a<\/strong> \u5728\u7dda\u689d\u672b\u7aef\u7684\u5be6\u5fc3\u947d\u77f3<em> \u6574\u9ad4<\/em> \u7dda\u689d\u7684\u672b\u7aef\u3002<\/li>\n<li><strong> \u751f\u547d\u5468\u671f\uff1a<\/strong> \u90e8\u4ef6\u7684\u751f\u547d\u5468\u671f\u53d6\u6c7a\u65bc\u6574\u9ad4\u7684\u751f\u547d\u5468\u671f\u3002<\/li>\n<\/ul>\n<h3> 4. \u4e00\u822c\u5316\uff08\u7e7c\u627f\uff09<\/h3>\n<p>\u6b64\u95dc\u4fc2\u4ee3\u8868\u4e00\u7a2e<em>\u662f-\u4e00\u7a2e<\/em> \u5c64\u6b21\u7d50\u69cb\u3002\u5b83\u5141\u8a31\u5b50\u985e\u5f9e\u7236\u985e\u7e7c\u627f\u5c6c\u6027\u548c\u65b9\u6cd5\u3002\u9019\u4fc3\u9032\u4e86\u7a0b\u5f0f\u78bc\u91cd\u7528\u548c\u591a\u578b\u6027\u3002<\/p>\n<ul>\n<li><strong>\u7bc4\u4f8b\uff1a<\/strong> \u4e00\u500b<code> \u5361\u8eca<\/code> \u662f\u4e00\u7a2e<code> \u8eca\u8f1b<\/code>.<\/li>\n<li><strong> \u7b26\u865f\uff1a<\/strong> \u4e00\u689d\u5be6\u7dda\uff0c\u642d\u914d\u4e00\u500b\u6307\u5411\u7236\u985e\u7684\u7a7a\u5fc3\u4e09\u89d2\u5f62\u3002<\/li>\n<li><strong> \u4f7f\u7528\u65b9\u5f0f\uff1a<\/strong> \u8acb\u8b39\u614e\u4f7f\u7528\uff0c\u4ee5\u907f\u514d\u7522\u751f\u904e\u6df1\u7684\u7e7c\u627f\u6a39\uff0c\u5c0e\u81f4\u96e3\u4ee5\u7dad\u8b77\u3002<\/li>\n<\/ul>\n<h3>5. \u4f9d\u8cf4<\/h3>\n<p>\u4f9d\u8cf4\u8868\u793a\u4e00\u500b\u985e\u5225\u7684\u898f\u683c\u8b8a\u66f4\u53ef\u80fd\u5f71\u97ff\u53e6\u4e00\u500b\u985e\u5225\u3002\u5b83\u6bd4\u95dc\u806f\u95dc\u4fc2\u8f03\u5f31\uff0c\u901a\u5e38\u8868\u793a\u4e00\u500b\u7269\u4ef6\u66ab\u6642\u4f7f\u7528\u53e6\u4e00\u500b\u7269\u4ef6\u3002<\/p>\n<ul>\n<li><strong>\u7bc4\u4f8b\uff1a<\/strong> \u4e00\u500b<code> \u5831\u544a\u7522\u751f\u5668<\/code> \u5728\u7522\u751f\u904e\u7a0b\u4e2d\u50c5\u4f7f\u7528\u4e00\u500b<code> \u8cc7\u6599\u683c\u5f0f\u5316\u5de5\u5177<\/code> \u50c5\u5728\u7522\u751f\u904e\u7a0b\u4e2d\u4f7f\u7528\u3002<\/li>\n<li><strong> \u7b26\u865f\uff1a<\/strong> \u4e00\u689d\u865b\u7dda\uff0c\u642d\u914d\u4e00\u500b\u958b\u53e3\u7684\u7bad\u982d\uff0c\u6307\u5411\u4f9d\u8cf4\u7684\u985e\u5225\u3002<\/li>\n<\/ul>\n<h2>\u57fa\u6578\u8207\u591a\u91cd\u6027 \ud83d\udcd0<\/h2>\n<p>\u95dc\u4fc2\u4e0d\u50c5\u50c5\u662f\u4e8c\u5143\u9023\u7d50\uff1b\u5b83\u5011\u5b9a\u7fa9\u4e86\u6578\u91cf\u3002\u57fa\u6578\u6307\u5b9a\u4e00\u500b\u985e\u5225\u7684\u591a\u5c11\u500b\u5be6\u4f8b\u8207\u53e6\u4e00\u500b\u985e\u5225\u7684\u4e00\u500b\u5be6\u4f8b\u76f8\u95dc\u806f\u3002\u9019\u5c0d\u65bc\u8cc7\u6599\u5eab\u8a2d\u8a08\u548c\u908f\u8f2f\u5be6\u73fe\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h3>\u5e38\u898b\u7684\u591a\u91cd\u6027\u7b26\u865f<\/h3>\n<ul>\n<li><strong>1:<\/strong>\u6070\u597d\u4e00\u500b\u5be6\u4f8b\u3002<\/li>\n<li><strong>0..1:<\/strong>\u96f6\u500b\u6216\u4e00\u500b\u5be6\u4f8b\uff08\u53ef\u9078\uff09\u3002<\/li>\n<li><strong>0..* \u6216 *\uff1a<\/strong>\u96f6\u500b\u6216\u591a\u500b\u5be6\u4f8b\uff08\u591a\u500b\uff09\u3002<\/li>\n<li><strong>1..*:<\/strong>\u4e00\u500b\u6216\u591a\u500b\u5be6\u4f8b\uff08\u5f37\u5236\u591a\u500b\uff09\u3002<\/li>\n<li><strong>0..n\uff1a<\/strong>\u6700\u591a n \u500b\u5be6\u4f8b\u3002<\/li>\n<\/ul>\n<h3>\u7bc4\u4f8b\u60c5\u5883\uff1a\u5716\u66f8\u9928\u7cfb\u7d71<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u985e\u5225 A<\/th>\n<th>\u95dc\u4fc2<\/th>\n<th>\u985e\u5225 B<\/th>\n<th>\u591a\u91cd\u6027<\/th>\n<th>\u89e3\u91cb<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5716\u66f8\u9928<\/td>\n<td>\u64c1\u6709<\/td>\n<td>\u66f8\u7c4d<\/td>\n<td>1 .. *<\/td>\n<td>\u4e00\u500b\u5716\u66f8\u9928\u64c1\u6709\u8a31\u591a\u66f8\u7c4d\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u66f8\u7c4d<\/td>\n<td>\u7531\u2026\u2026\u64b0\u5beb<\/td>\n<td>\u4f5c\u8005<\/td>\n<td>1<\/td>\n<td>\u4e00\u672c\u66f8\u6070\u597d\u6709\u4e00\u500b\u4e3b\u8981\u4f5c\u8005\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u4f5c\u8005<\/td>\n<td>\u64b0\u5beb<\/td>\n<td>\u66f8<\/td>\n<td>0..*<\/td>\n<td>\u4e00\u4f4d\u4f5c\u8005\u53ef\u80fd\u5beb\u5f88\u591a\u66f8\uff0c\u4e5f\u53ef\u80fd\u4e00\u672c\u90fd\u4e0d\u5beb\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u5efa\u7acb\u5716\u8868\u7684\u6b65\u9a5f \ud83d\udee0\ufe0f<\/h2>\n<p>\u5efa\u7acb\u7a69\u5065\u7684\u985e\u5716\u9700\u8981\u6709\u7d50\u69cb\u5316\u7684\u65b9\u6cd5\u3002\u9075\u5faa\u6b64\u5de5\u4f5c\u6d41\u7a0b\uff0c\u4ee5\u78ba\u4fdd\u6e96\u78ba\u6027\u548c\u5b8c\u6574\u6027\u3002<\/p>\n<h3>\u6b65\u9a5f 1\uff1a\u8b58\u5225\u985e\u5225<\/h3>\n<p>\u5206\u6790\u9700\u6c42\u6216\u4f7f\u7528\u8005\u6545\u4e8b\u4ee5\u627e\u51fa\u540d\u8a5e\u3002\u9019\u4e9b\u540d\u8a5e\u901a\u5e38\u4ee3\u8868\u985e\u5225\u3002<\/p>\n<ul>\n<li><strong>\u6aa2\u95b1\u6587\u4ef6\uff1a<\/strong>\u67e5\u770b\u8cc7\u6599\u5b57\u5178\u3001\u4f7f\u7528\u8005\u624b\u518a\u6216\u529f\u80fd\u898f\u683c\u3002<\/li>\n<li><strong>\u8b58\u5225\u5be6\u9ad4\uff1a<\/strong> \u5132\u5b58\u7684\u662f\u4ec0\u9ebc\u8cc7\u6599\uff1f\u6838\u5fc3\u7684\u696d\u52d9\u7269\u4ef6\u662f\u4ec0\u9ebc\uff1f<\/li>\n<li><strong>\u7be9\u9078\uff1a<\/strong> \u79fb\u9664\u660e\u986f\u7684\u5be6\u4f5c\u7d30\u7bc0\u6216\u66ab\u6642\u8b8a\u6578\u3002\u50c5\u4fdd\u7559\u6301\u4e45\u6027\u5be6\u9ad4\u3002<\/li>\n<\/ul>\n<h3>\u6b65\u9a5f 2\uff1a\u5b9a\u7fa9\u5c6c\u6027<\/h3>\n<p>\u91dd\u5c0d\u6bcf\u500b\u8b58\u5225\u51fa\u7684\u985e\u5225\uff0c\u5217\u51fa\u5fc5\u8981\u7684\u8cc7\u6599\u6b04\u4f4d\u3002<\/p>\n<ul>\n<li><strong>\u5fc5\u8981\u8cc7\u6599\uff1a<\/strong> \u5b9a\u7fa9\u6b64\u7269\u4ef6\u6240\u9700\u7684\u8cc7\u8a0a\u662f\u4ec0\u9ebc\uff1f<\/li>\n<li><strong>\u884d\u751f\u8cc7\u6599\uff1a<\/strong> \u907f\u514d\u4f7f\u7528\u53ef\u5f9e\u5176\u4ed6\u8cc7\u6599\u8a08\u7b97\u51fa\u7684\u5c6c\u6027\uff08\u4f8b\u5982\uff0c\u82e5\u5df2\u6709 <code>total_price<\/code> \u82e5 <code>quantity<\/code> \u548c <code>unit_price<\/code> \u5b58\u5728\uff0c\u5247\u907f\u514d\u5132\u5b58\uff09\u3002<\/li>\n<li><strong>\u9650\u5236\u689d\u4ef6\uff1a<\/strong> \u8a18\u9304\u4efb\u4f55\u8cc7\u6599\u9577\u5ea6\u6216\u985e\u578b\u7684\u9650\u5236\u3002<\/li>\n<\/ul>\n<h3>\u6b65\u9a5f 3\uff1a\u5b9a\u7fa9\u64cd\u4f5c<\/h3>\n<p>\u8b58\u5225\u8207\u8cc7\u6599\u76f8\u95dc\u7684\u884c\u70ba\u3002<\/p>\n<ul>\n<li><strong>\u52d5\u4f5c\uff1a<\/strong> \u7269\u4ef6\u80fd\u505a\u4ec0\u9ebc\uff1f\uff08\u4f8b\u5982\uff1a<code>save()<\/code>, <code>delete()<\/code>, <code>updateStatus()<\/code>).<\/li>\n<li><strong>\u8f49\u79fb\uff1a<\/strong> \u7269\u4ef6\u72c0\u614b\u5982\u4f55\u8b8a\u5316\uff1f<\/li>\n<li><strong>\u5b58\u53d6\u5668\uff1a<\/strong> \u5b9a\u7fa9\u79c1\u6709\u5c6c\u6027\u7684\u5b58\u53d6\u5668\uff08getter \u548c setter\uff09\u3002<\/li>\n<\/ul>\n<h3>\u6b65\u9a5f 4\uff1a\u5efa\u7acb\u95dc\u4fc2<\/h3>\n<p>\u6839\u64da\u985e\u5225\u5728\u73fe\u5be6\u4e16\u754c\u4e2d\u7684\u4e92\u52d5\u65b9\u5f0f\u4f86\u9023\u63a5\u5b83\u5011\u3002<\/p>\n<ul>\n<li><strong>\u8ffd\u8e64\u8cc7\u6599\u6d41\u7a0b\uff1a<\/strong> \u8cc7\u8a0a\u4f86\u81ea\u54ea\u88e1\uff0c\u53c8\u6703\u53bb\u5f80\u54ea\u88e1\uff1f<\/li>\n<li><strong>\u6307\u5b9a\u591a\u91cd\u6027\uff1a<\/strong> \u5b9a\u7fa9\u4e00\u5c0d\u4e00\u3001\u4e00\u5c0d\u591a\u6216\u591a\u5c0d\u591a\u7684\u9023\u63a5\u95dc\u4fc2\u3002<\/li>\n<li><strong>\u7cbe\u7149\uff1a<\/strong> \u78ba\u4fdd\u95dc\u806f\u95dc\u4fc2\u662f\u5fc5\u8981\u7684\uff0c\u800c\u975e\u91cd\u8907\u7684\u3002<\/li>\n<\/ul>\n<h3>\u6b65\u9a5f 5\uff1a\u5be9\u67e5\u8207\u7cbe\u7149<\/h3>\n<p>\u6839\u64da\u9700\u6c42\u9a57\u8b49\u6a21\u578b\u3002<\/p>\n<ul>\n<li><strong>\u4e00\u81f4\u6027\uff1a<\/strong> \u5716\u8868\u4e2d\u7684\u6240\u6709\u540d\u7a31\u662f\u5426\u4e00\u81f4\uff1f<\/li>\n<li><strong>\u5b8c\u6574\u6027\uff1a<\/strong> \u662f\u5426\u5b58\u5728\u5b64\u7acb\u7684\u985e\u5225\uff1f<\/li>\n<li><strong>\u6e05\u6670\u5ea6\uff1a<\/strong> \u5716\u8868\u662f\u5426\u6e05\u6670\u6613\u8b80\uff0c\u4e14\u4e0d\u6703\u56e0\u904e\u591a\u4ea4\u53c9\u7dda\u800c\u6df7\u4e82\uff1f<\/li>\n<\/ul>\n<h2>\u5efa\u7acb\u6e05\u6670\u5716\u8868\u7684\u6700\u4f73\u5be6\u52d9 \u2705<\/h2>\n<p>\u4e00\u5f35\u7e6a\u88fd\u826f\u597d\u7684\u5716\u8868\u80fd\u6e05\u695a\u50b3\u9054\u610f\u5716\uff0c\u800c\u96dc\u4e82\u7684\u5716\u8868\u5247\u6703\u9020\u6210\u6df7\u6dc6\u3002\u9075\u5faa\u7279\u5b9a\u7684\u8a2d\u8a08\u539f\u5247\uff0c\u53ef\u78ba\u4fdd\u6a21\u578b\u5728\u5c08\u6848\u767c\u5c55\u904e\u7a0b\u4e2d\u4ecd\u4fdd\u6301\u5be6\u7528\u6027\u3002<\/p>\n<h3>1. \u4fdd\u6301\u5167\u805a\u6027<\/h3>\n<p>\u6bcf\u500b\u985e\u5225\u61c9\u8a72\u53ea\u6709\u4e00\u500b\u8077\u8cac\u3002\u5982\u679c\u4e00\u500b\u985e\u5225\u540c\u6642\u8655\u7406\u8cc7\u6599\u5eab\u9023\u63a5\u3001\u4f7f\u7528\u8005\u9a57\u8b49\u548c\u96fb\u5b50\u90f5\u4ef6\u767c\u9001\uff0c\u5247\u592a\u904e\u8907\u96dc\u3002\u61c9\u5c07\u5176\u62c6\u5206\u6210\u8f03\u5c0f\u4e14\u5c08\u6ce8\u7684\u985e\u5225\u3002<\/p>\n<h3>2. \u6700\u5c0f\u5316\u8026\u5408<\/h3>\n<p>\u6e1b\u5c11\u985e\u5225\u4e4b\u9593\u7684\u4f9d\u8cf4\u95dc\u4fc2\u3002\u9ad8\u8026\u5408\u6703\u4f7f\u7cfb\u7d71\u8b8a\u5f97\u8106\u5f31\u3002\u4f7f\u7528\u4ecb\u9762\u4f86\u89e3\u9664\u5be6\u4f5c\u8207\u4f9d\u8cf4\u4e4b\u9593\u7684\u95dc\u806f\u3002<\/p>\n<h3>3. \u4f7f\u7528\u6a19\u6e96\u6163\u4f8b<\/h3>\n<p>\u4e00\u81f4\u6027\u80fd\u964d\u4f4e\u8a8d\u77e5\u8ca0\u8377\u3002\u6c38\u9060\u4f7f\u7528\u76f8\u540c\u7684\u53ef\u898b\u6027\u6a19\u8a18\u3001\u76f8\u540c\u7684\u547d\u540d\u98a8\u683c\u548c\u76f8\u540c\u7684\u7dda\u689d\u7c97\u7d30\u3002\u4efb\u4f55\u504f\u5dee\u90fd\u61c9\u52a0\u4ee5\u8a18\u9304\u3002<\/p>\n<h3>4. \u5fc5\u8981\u6642\u9032\u884c\u62bd\u8c61<\/h3>\n<p>\u4e0d\u8981\u7acb\u5373\u70ba\u6bcf\u500b\u6982\u5ff5\u90fd\u5efa\u7acb\u985e\u5225\u3002\u4f7f\u7528\u62bd\u8c61\u985e\u5225\u4f86\u5b9a\u7fa9\u4e00\u7d44\u76f8\u95dc\u5177\u9ad4\u985e\u5225\u7684\u5171\u540c\u884c\u70ba\u3002\u9019\u80fd\u907f\u514d\u7a0b\u5f0f\u78bc\u91cd\u8907\u3002<\/p>\n<h3>5. \u6b63\u78ba\u8655\u7406\u4ecb\u9762<\/h3>\n<p>\u4ecb\u9762\u5b9a\u7fa9\u4e86\u4e00\u7a2e\u5408\u7d04\u3002\u5b83\u5011\u61c9\u5217\u51fa\u65b9\u6cd5\u800c\u975e\u5c6c\u6027\u3002\u7528\u4f86\u5b9a\u7fa9\u591a\u578b\u884c\u70ba\u3002<\/p>\n<h2>\u61c9\u907f\u514d\u7684\u5e38\u898b\u932f\u8aa4 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