{"id":10477,"date":"2026-05-22T10:03:21","date_gmt":"2026-05-22T02:03:21","guid":{"rendered":"https:\/\/blog.visual-paradigm.com\/tw\/orchestrating-complex-control-flow-a-comprehensive-case-study-on-uml-2-0-interaction-fragments\/"},"modified":"2026-05-30T15:01:27","modified_gmt":"2026-05-30T07:01:27","slug":"orchestrating-complex-control-flow-a-comprehensive-case-study-on-uml-2-0-interaction-fragments","status":"publish","type":"post","link":"https:\/\/blog.visual-paradigm.com\/tw\/orchestrating-complex-control-flow-a-comprehensive-case-study-on-uml-2-0-interaction-fragments\/","title":{"rendered":"\u5354\u8abf\u8907\u96dc\u63a7\u5236\u6d41\u7a0b\uff1aUML 2.0 \u4e92\u52d5\u7247\u6bb5\u7684\u5168\u9762\u6848\u4f8b\u7814\u7a76"},"content":{"rendered":"<h2 data-nodeid=\"6998\">\u5f15\u8a00<\/h2>\n<p 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data-nodeid=\"7114\">\u4e92\u52d5\u7247\u6bb5<\/strong>\u2014\u2014\u4e00\u7a2e\u6a19\u6e96\u5316\u7684\u6a5f\u5236\uff0c\u53ef\u76f4\u63a5\u5c07\u63a7\u5236\u6d41\u7a0b\u908f\u8f2f\u5d4c\u5165\u5e8f\u5217\u5716\u8207\u901a\u8a0a\u5716\u4e2d\u3002\u672c\u6848\u4f8b\u7814\u7a76\u63a2\u8a0e\u958b\u767c\u5718\u968a\u5982\u4f55\u5229\u7528\u4e92\u52d5\u7247\u6bb5\uff0c\u5f4c\u5408\u9ad8\u968e\u67b6\u69cb\u8a2d\u8a08\u8207\u7cbe\u78ba\u57f7\u884c\u6642\u884c\u70ba\u4e4b\u9593\u7684\u5dee\u8ddd\u3002\u900f\u904e\u7d50\u69cb\u5206\u6790\u3001\u904b\u7b97\u5b50\u8a9e\u7fa9\u3001\u53ef\u57f7\u884c\u7684\u5efa\u6a21\u7bc4\u4f8b\u4ee5\u53ca\u5de5\u7a0b\u6700\u4f73\u5be6\u52d9\uff0c\u6211\u5011\u5c07\u793a\u7bc4\u5982\u4f55\u70ba\u8907\u96dc\u4f01\u696d\u7cfb\u7d71\u8a2d\u8a08\u53ef\u64f4\u5c55\u3001\u660e\u78ba\u4e14\u6613\u65bc\u7dad\u8b77\u7684\u884c\u70ba\u898f\u683c\u3002<\/p>\n<p data-nodeid=\"7000\">\n<p id=\"IjpsrLp\"><img alt=\"Orchestrating Complex Control Flow: UML 2.0 Interaction Fragments\" class=\"alignnone wp-image-24714 size-full\" decoding=\"async\" height=\"510\" loading=\"lazy\" sizes=\"auto, (max-width: 916px) 100vw, 916px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/05\/img_6a0fb9404a8b7.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/05\/img_6a0fb9404a8b7.png 916w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/05\/img_6a0fb9404a8b7-300x167.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/05\/img_6a0fb9404a8b7-768x428.png 768w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/05\/img_6a0fb9404a8b7-150x84.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/05\/img_6a0fb9404a8b7-400x223.png 400w\" width=\"916\"\/><\/p>\n<hr data-nodeid=\"7001\"\/>\n<h2 data-nodeid=\"7002\">\u6848\u4f8b\u7814\u7a76\u80cc\u666f\u8207\u5efa\u6a21\u6311\u6230<\/h2>\n<p data-nodeid=\"7003\">\u4ee5\u4e0b\u6848\u4f8b\u7814\u7a76\u570d\u7e5e\u8457<strong data-nodeid=\"7123\">NexaRetail<\/strong>\u2014\u2014\u4e00\u500b\u9ad8\u6d41\u91cf\u7684\u96fb\u5b50\u5546\u52d9\u5e73\u53f0\uff0c\u8ca0\u8cac\u5373\u6642\u5eab\u5b58\u540c\u6b65\u3001\u591a\u9598\u9053\u652f\u4ed8\u8def\u7531\u8207\u975e\u540c\u6b65\u7269\u6d41\u6d3e\u9001\u3002\u5de5\u7a0b\u5718\u968a\u9762\u81e8\u4e09\u5927\u6838\u5fc3\u5efa\u6a21\u6311\u6230\uff1a<\/p>\n<ol data-nodeid=\"7004\">\n<li data-nodeid=\"7005\">\n<p data-nodeid=\"7006\"><strong data-nodeid=\"7128\">\u689d\u4ef6\u8def\u7531\uff1a<\/strong>\u652f\u4ed8\u6388\u6b0a\u9700\u6839\u64da\u52d5\u614b\u5e33\u6236\u72c0\u614b\uff0c\u9078\u64c7\u4e92\u65a5\u7684\u57f7\u884c\u8def\u5f91\u3002<\/p>\n<\/li>\n<li data-nodeid=\"7007\">\n<p data-nodeid=\"7008\"><strong data-nodeid=\"7133\">\u4e26\u884c\u57f7\u884c\uff1a<\/strong>\u5eab\u5b58\u6263\u6e1b\u8207\u627f\u904b\u5546\u6392\u7a0b\u9700\u5728\u7121\u7af6\u722d\u689d\u4ef6\u7684\u60c5\u6cc1\u4e0b\u4e26\u884c\u57f7\u884c\u3002<\/p>\n<\/li>\n<li data-nodeid=\"7009\">\n<p data-nodeid=\"7010\"><strong data-nodeid=\"7138\">\u5716\u8868\u53ef\u7dad\u8b77\u6027\uff1a<\/strong>\u96a8\u8457\u5de5\u4f5c\u6d41\u7a0b\u64f4\u5c55\uff0c\u55ae\u4e00\u7684\u5e8f\u5217\u5716\u8b8a\u5f97\u96e3\u4ee5\u95b1\u8b80\u4e14\u4e0d\u6613\u9032\u884c\u7248\u672c\u63a7\u5236\u3002<\/p>\n<\/li>\n<\/ol>\n<p data-nodeid=\"7011\">\u70ba\u89e3\u6c7a\u9019\u4e9b\u6311\u6230\uff0c\u67b6\u69cb\u5718\u968a\u63a1\u7528UML 2.0\u4e92\u52d5\u7247\u6bb5\u4f5c\u70ba\u4e3b\u8981\u7684\u884c\u70ba\u5efa\u6a21\u6a19\u6e96\u3002<\/p>\n<hr data-nodeid=\"7012\"\/>\n<h2 data-nodeid=\"7013\">1. \u4e92\u52d5\u7247\u6bb5\u7684\u7d50\u69cb\u6a5f\u5236<\/h2>\n<p data-nodeid=\"7014\">\u4e00\u500b<strong data-nodeid=\"7158\">\u4e92\u52d5\u7247\u6bb5<\/strong>\u4f5c\u70ba\u4e00\u500b\u6a21\u7d44\u5316\u7684\u7d50\u69cb\u55ae\u5143\uff0c\u5c01\u88dd\u7279\u5b9a\u7684\u884c\u70ba\u7247\u6bb5\u3002\u5b83\u904b\u4f5c\u65bc\u4e00\u500b<strong data-nodeid=\"7159\">\u4e92\u52d5\u904b\u7b97\u5143<\/strong>\u4e4b\u4e2d\uff0c\u5305\u542b\u53c3\u8207\u7684\u751f\u547d\u7dda\u8207\u57f7\u884c\u8ecc\u8de1\u3002\u70ba\u5354\u8abf\u9019\u4e9b\u904b\u7b97\u5143\uff0cUML 2.0 \u4f7f\u7528\u4e00\u500b<strong data-nodeid=\"7160\">\u5408\u4f75\u7247\u6bb5<\/strong>\uff1a\u4e00\u500b\u5bb9\u5668\u6846\u67b6\uff0c\u5c07\u4e00\u500b\u6216\u591a\u500b\u904b\u7b97\u5143\u6b78\u7d0d\u65bc\u55ae\u4e00<strong data-nodeid=\"7161\">\u4e92\u52d5\u904b\u7b97\u5b50<\/strong>\u4e4b\u4e0b\uff0c\u4ee5\u6c7a\u5b9a\u57f7\u884c\u8a9e\u7fa9\u3002<\/p>\n<h3 data-nodeid=\"7015\">\u8996\u89ba\u7b26\u865f\u8207\u7d50\u69cb\u898f\u5247<\/h3>\n<p data-nodeid=\"7016\">\u5408\u4f75\u7247\u6bb5\u9075\u5faa\u56b4\u683c\u7684\u8996\u89ba\u898f\u7bc4\uff0c\u4ee5\u78ba\u4fdd\u8de8\u5de5\u5177\u76f8\u5bb9\u6027\u8207\u958b\u767c\u8005\u53ef\u8b80\u6027\uff1a<\/p>\n<ul data-nodeid=\"7017\">\n<li data-nodeid=\"7018\">\n<p data-nodeid=\"7019\"><strong data-nodeid=\"7176\">\u904b\u7b97\u5b50\u6a19\u7c64\uff1a<\/strong>\u00a0\u4f4d\u65bc\u6846\u67b6\u5de6\u4e0a\u89d2\u7684\u4e94\u908a\u5f62\u6a19\u7c64\uff0c\u5305\u542b\u904b\u7b97\u5b50\u7c21\u78bc\uff08\u4f8b\u5982\u00a0<code data-backticks=\"1\" data-nodeid=\"7170\">alt<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"7172\">loop<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"7174\">par<\/code>).<\/p>\n<\/li>\n<li data-nodeid=\"7020\">\n<p data-nodeid=\"7021\"><strong data-nodeid=\"7183\">\u904b\u7b97\u5143\u5b88\u885b\u689d\u4ef6\uff1a<\/strong>\u00a0\u5167\u806f\u5e03\u6797\u8868\u9054\u5f0f\uff0c\u4ee5\u65b9\u62ec\u865f\u5305\u570d\u00a0<code data-backticks=\"1\" data-nodeid=\"7181\">[ \u689d\u4ef6 ]<\/code>\u00a0\u7528\u4f86\u6c7a\u5b9a\u904b\u7b97\u5143\u662f\u5426\u57f7\u884c\u3002<\/p>\n<\/li>\n<li data-nodeid=\"7022\">\n<p data-nodeid=\"7023\"><strong data-nodeid=\"7188\">\u904b\u7b97\u5143\u5206\u9694\u7b26\uff1a<\/strong>\u00a0\u6c34\u5e73\u865b\u7dda\uff0c\u7528\u65bc\u5206\u9694\u540c\u4e00\u6846\u67b6\u5167\u7684\u591a\u500b\u904b\u7b97\u5143\u3002<\/p>\n<\/li>\n<li data-nodeid=\"7024\">\n<p data-nodeid=\"7025\"><strong data-nodeid=\"7195\">\u6846\u67b6\u908a\u754c\uff1a<\/strong>\u00a0\u4e00\u500b\u900f\u660e\u7684\u77e9\u5f62\u6846\uff0c\u660e\u78ba\u5730\u8207\u7247\u6bb5\u7bc4\u570d\u5167\u6240\u6709\u6d3b\u8e8d\u7684\u751f\u547d\u7dda\u76f8\u4ea4\u3002<\/p>\n<\/li>\n<\/ul>\n<hr data-nodeid=\"7026\"\/>\n<h2 data-nodeid=\"7027\">2. \u904b\u7b97\u5b50\u8a9e\u7fa9\u8207\u57f7\u884c\u63a7\u5236<\/h2>\n<p data-nodeid=\"7028\">UML 2.0 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data-backticks=\"1\" data-nodeid=\"7213\">switch<\/code>\uff09\u3002\u53ea\u6709\u5b88\u885b\u689d\u4ef6\u70ba\u771f\u7684\u904b\u7b97\u5143\u6703\u57f7\u884c\u3002<\/td>\n<\/tr>\n<tr data-nodeid=\"7045\">\n<td data-nodeid=\"7046\"><strong data-nodeid=\"7218\"><code data-backticks=\"1\" data-nodeid=\"7216\">opt<\/code><\/strong><\/td>\n<td data-nodeid=\"7047\">\u9078\u9805<\/td>\n<td data-nodeid=\"7048\">\u4ee3\u8868\u55ae\u4e00\u689d\u4ef6\u8def\u5f91\uff0c\u6703\u5b8c\u5168\u57f7\u884c\u6216\u88ab\u8df3\u904e\uff08\u985e\u4f3c\u65bc\u4e00\u500b\u00a0<code data-backticks=\"1\" data-nodeid=\"7221\">\u5982\u679c<\/code>\u6c92\u6709<code data-backticks=\"1\" data-nodeid=\"7223\">\u5426\u5247<\/code>).<\/td>\n<\/tr>\n<tr data-nodeid=\"7049\">\n<td data-nodeid=\"7050\"><strong data-nodeid=\"7228\"><code data-backticks=\"1\" data-nodeid=\"7226\">\u8ff4\u5708<\/code><\/strong><\/td>\n<td data-nodeid=\"7051\">\u8ff4\u5708<\/td>\n<td data-nodeid=\"7052\">\u91dd\u5c0d\u5b9a\u7fa9\u7684\u5e8f\u5217\u91cd\u8907\u5c01\u88dd\u7684\u7247\u6bb5\u3002\u652f\u63f4\u660e\u78ba\u7684\u8fed\u4ee3\u7bc4\u570d\uff08\u4f8b\u5982\uff0c<code data-backticks=\"1\" data-nodeid=\"7231\">\u8ff4\u5708(1, 10)<\/code>).<\/td>\n<\/tr>\n<tr data-nodeid=\"7053\">\n<td data-nodeid=\"7054\"><strong data-nodeid=\"7236\"><code data-backticks=\"1\" data-nodeid=\"7234\">\u5e73\u884c<\/code><\/strong><\/td>\n<td data-nodeid=\"7055\">\u5e73\u884c<\/td>\n<td data-nodeid=\"7056\">\u5c01\u88dd\u5728\u7368\u7acb\u57f7\u884c\u7dd2\u4e2d\u4e26\u884c\u57f7\u884c\u7684\u64cd\u4f5c\u6578\u3002\u5141\u8a31\u64cd\u4f5c\u6578\u4e4b\u9593\u7684\u6d88\u606f\u4ea4\u932f\u3002<\/td>\n<\/tr>\n<tr data-nodeid=\"7057\">\n<td data-nodeid=\"7058\"><strong data-nodeid=\"7242\"><code data-backticks=\"1\" data-nodeid=\"7240\">\u5f31\u9806\u5e8f<\/code><\/strong><\/td>\n<td data-nodeid=\"7059\">\u5f31\u9806\u5e8f<\/td>\n<td data-nodeid=\"7060\">\u9810\u8a2d\u884c\u70ba\u3002\u5728\u64cd\u4f5c\u6578\u5167\u90e8\u7dad\u6301\u56b4\u683c\u7684\u81ea\u4e0a\u800c\u4e0b\u9806\u5e8f\uff0c\u4f46\u5141\u8a31\u5728\u7368\u7acb\u7684\u751f\u547d\u7dda\u4e4b\u9593\u4ea4\u932f\u3002<\/td>\n<\/tr>\n<tr data-nodeid=\"7061\">\n<td data-nodeid=\"7062\"><strong data-nodeid=\"7248\"><code data-backticks=\"1\" data-nodeid=\"7246\">\u56b4\u683c\u9806\u5e8f<\/code><\/strong><\/td>\n<td data-nodeid=\"7063\">\u56b4\u683c\u9806\u5e8f<\/td>\n<td data-nodeid=\"7064\">\u5f37\u5236\u5728\u6574\u500b\u7247\u6bb5\u4e2d\u7d55\u5c0d\u81ea\u4e0a\u800c\u4e0b\u9806\u5e8f\uff0c\u7121\u8ad6\u751f\u547d\u7dda\u662f\u5426\u7368\u7acb\u3002<\/td>\n<\/tr>\n<tr data-nodeid=\"7065\">\n<td data-nodeid=\"7066\"><strong data-nodeid=\"7254\"><code data-backticks=\"1\" data-nodeid=\"7252\">\u81e8\u754c\u5340<\/code><\/strong><\/td>\n<td data-nodeid=\"7067\">\u81e8\u754c\u5340<\/td>\n<td data-nodeid=\"7068\">\u6a19\u8a18\u4e00\u500b\u539f\u5b50\u57f7\u884c\u5340\u584a\u3002\u9632\u6b62\u5916\u90e8\u4e92\u52d5\u8ecc\u8de1\u8207\u5c01\u88dd\u7684\u64cd\u4f5c\u4ea4\u932f\u6216\u4e2d\u65b7\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr data-nodeid=\"7069\"\/>\n<h2 data-nodeid=\"7070\">3. \u5be6\u969b\u5be6\u73fe\uff1a\u53ef\u57f7\u884c\u7684\u5e8f\u5217\u6a21\u578b<\/h2>\n<h3 data-nodeid=\"7071\">\u60c5\u5883 A\uff1a\u8a02\u55ae\u7d50\u5e33\u5b50\u7cfb\u7d71\uff08<code data-backticks=\"1\" data-nodeid=\"7259\">\u9078\u64c7<\/code>,\u00a0<code data-backticks=\"1\" data-nodeid=\"7261\">\u53ef\u9078<\/code>\uff0c\u4ee5\u53ca<code data-backticks=\"1\" data-nodeid=\"7263\">\u8ff4\u5708<\/code>)<\/h3>\n<p data-nodeid=\"7072\">\u7d50\u5e33\u5de5\u4f5c\u6d41\u7a0b\u9700\u8981\u8fed\u4ee3\u8655\u7406\u8cfc\u7269\u8eca\u3001\u689d\u4ef6\u6027\u4ed8\u6b3e\u8def\u7531\uff0c\u4ee5\u53ca\u53ef\u9078\u7684\u6536\u64da\u7522\u751f\u6b65\u9a5f\u3002\u4ee5\u4e0b\u53ef\u57f7\u884c\u898f\u7bc4\u5c55\u793a\u4e86\u5982\u4f55\u900f\u904e\u5de2\u72c0\u8207\u9806\u5e8f\u7247\u6bb5\u660e\u78ba\u5730\u6a21\u64ec\u6b64\u884c\u70ba\u3002<\/p>\n<p id=\"rNHvAdS\"><img alt=\"\" class=\"alignnone size-full wp-image-24712\" decoding=\"async\" height=\"571\" loading=\"lazy\" sizes=\"auto, (max-width: 566px) 100vw, 566px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/05\/img_6a0fb8dbc8bb0.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/05\/img_6a0fb8dbc8bb0.png 566w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/05\/img_6a0fb8dbc8bb0-297x300.png 297w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/05\/img_6a0fb8dbc8bb0-80x80.png 80w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/05\/img_6a0fb8dbc8bb0-150x150.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/05\/img_6a0fb8dbc8bb0-400x404.png 400w\" width=\"566\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">PlantUML<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com#plantuml:TLJ1Zjem4Br7oZ-CzW9xMAIsDmxLKhgiaBejAhrLFGpE01QExTfZjkdNTvm4oDBT71BiUPvvRvw7-yWOEDMcBE91Muy1QuZS699tqAeBbGLhbgtvdjJ19OPrsiGcCjKmdZjRQTREee6bPGgeyWeM0NSrMOwt-RnikW0tynJPrHHk02FaHLb8ITPAUxGiyRw09ENWZ3aXEPWhv0gRdFqHcPwnQL7zxxwSFigohv7VSFUnpGDJq5O8I_HKRNmxFD7MAeiHl9l05-VyMSaKLi4fYb7R7MWH7oKJA65L5YO3Vy92H3wWsiCozqQYwxtpFkFd0eDVPG7oj3GkT8uKzBR99zRir26pUO7AvATGwUWDTh1KrnYQ32HRPR9N0cFQr9hx5es5OVMP6BNfl1Z1-mdCZ5XbKKJJGE1JueJ6D41_b4an1tsNHRwyZz8dmwBpCKdEASoKSabYdz2WLIJNOhiLXpByIchlZN33n7iNz5_w4T36xhAS99zDE5kPTqzdxou2-N9svdrmHwewR4MlvtYzcUkaifyht57RJ1Ff8cvfuqNE8jag_kVVYsHzknz2SE4D3uLfxLakoLTwxk5F9Ese1bQEuCC4llb-eYxMdBSsjCUZbekM7IaBvmU6dEOBljFlH3AW5QpGjsj5shzr0ttGbbjWZnlm6NIq6utXHZjTzuAKlub_\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7de8\u8f2f PlantUML<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">PlantUML<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com#plantuml:TLDBJnD17BzlijzXqWjmW4IzSJ0OVCI3XeWtus7S7MNIVMLcjgIUWAXjHQJ8GreneGIjcj2AIzU6DlfbzddYApYxsyUsmXucsV_y_l_vFMRcA8E4cQeY2ZIBDGCIg0BAyWhYAy5IiYKA33DUybjbjssv9sNVwlYjqujkqJlwx7Hiv_o3kxxhbmfUetNHBKKDK68w0PcmLdSRHna0APWtAHC5VWB34ZQWna0ccUUzhxj5swryIs2CA6CmRwVfTFPz-rVuyI36t8CCBSDyxnoSux-zyT4Afc_6Ky0im1fccE_EBo4fgvjiSYhT4Pya2XFWsWm8_fwv1yM-X6fGsVNBRmAhwvU-1vstJll4hxuA3r_xdngYeEYw0Pu0z-U6jzSTmtZDJQUzmf7WgIW0_iLCXenoYE3d-ViCgOjCbx8HeH5Kn7yMo9WQ2anWfgf2ae-0I9CZlcCQgVbCnMm1vbMaiKa94lasOX0hT2eHTtq6XAljY7jV78_Bs_iIaOsD3NuttJzRt1Y5SLL9eXmL9LEqm-FziBOHs9PxV3WkgHS3vm1DjgGJ_18z9b2ZaSEwrfSsy7kGMbJjzquFXR1Xxot387eEoGbMHfVFkDoqHLEI4AKBy0MAJLCeIiiAh49Os7BQaQR_CXePrBFq3Y4wkI8dpb8rs5sTF4JBFVW3nAsGKt5DW1jn0jvsmLkf3q9mDvky6DJU-Mld_GHqOoI1vF44NrUzqpN_h19OFxmTszkkNd6r388rVWyCH1uX2M63fKYaB4okVReGlvmvZkIF_Hy0\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\" data-nodeid=\"7073\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\nskinparam style strictuml\r\n\r\ntitle \u7d50\u5e33\u5b50\u7cfb\u7d71\uff08\u689d\u4ef6\u4e92\u52d5\u7247\u6bb5\uff09\r\n\r\nactor \"\u9867\u5ba2\" as Cust\r\nparticipant \"\u7d50\u5e33\u63a7\u5236\u5668\" as Ctrl\r\nparticipant \"\u652f\u4ed8\u7db2\u95dc\" as Gateway\r\n\r\nactivate Cust\r\nCust -&gt; Ctrl : initiateCheckout()\r\nactivate Ctrl\r\n\r\n' 1. \u8ff4\u5708\u7247\u6bb5\uff1a\u8655\u7406\u8cfc\u7269\u8eca\u4e2d\u7684\u9805\u76ee\r\nloop [ \u5c0d\u65bc\u8cfc\u7269\u8eca\u4e2d\u7684\u6bcf\u4e00\u9805 ]\r\n    Ctrl -&gt; Ctrl : verifyItemStock()\r\n    Ctrl -&gt; Cust : displayItemSummary()\r\nend\r\n\r\nCust -&gt; Ctrl : submitPayment(cardDetails)\r\n\r\n' 2. \u9078\u9805\u7247\u6bb5\uff1a\u4e92\u65a5\u7684\u652f\u4ed8\u8def\u5f91\r\nalt [ \u689d\u4ef6\uff1a\u5e33\u6236\u9918\u984d\u8db3\u5920 ]\r\n    Ctrl -&gt; Gateway : authorizeTransaction()\r\n    activate Gateway\r\n    Gateway --&gt; Ctrl : transactionApproved\r\n    deactivate Gateway\r\n    Ctrl -&gt; Cust : displaySuccessPage()\r\nelse [ \u689d\u4ef6\uff1a\u8cc7\u91d1\u4e0d\u8db3 ]\r\n    Ctrl -&gt; Cust : displayPaymentError()\r\n    Ctrl -&gt; Cust : promptForNewPaymentMethod()\r\nend\r\n\r\n' 3. \u9078\u64c7\u6027\u7247\u6bb5\uff1a\u53ef\u9078\u884c\u70ba\u8def\u5f91\r\nopt [ \u689d\u4ef6\uff1a\u9867\u5ba2\u8981\u6c42\u7d19\u8cea\u6536\u64da ]\r\n    Ctrl -&gt; Ctrl : printPaperReceipt()\r\nend\r\n\r\ndeactivate Ctrl\r\ndeactivate Cust\r\n@enduml<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com#plantuml:TLDBJnD17BzlijzXqWjmW4IzSJ0OVCI3XeWtus7S7MNIVMLcjgIUWAXjHQJ8GreneGIjcj2AIzU6DlfbzddYApYxsyUsmXucsV_y_l_vFMRcA8E4cQeY2ZIBDGCIg0BAyWhYAy5IiYKA33DUybjbjssv9sNVwlYjqujkqJlwx7Hiv_o3kxxhbmfUetNHBKKDK68w0PcmLdSRHna0APWtAHC5VWB34ZQWna0ccUUzhxj5swryIs2CA6CmRwVfTFPz-rVuyI36t8CCBSDyxnoSux-zyT4Afc_6Ky0im1fccE_EBo4fgvjiSYhT4Pya2XFWsWm8_fwv1yM-X6fGsVNBRmAhwvU-1vstJll4hxuA3r_xdngYeEYw0Pu0z-U6jzSTmtZDJQUzmf7WgIW0_iLCXenoYE3d-ViCgOjCbx8HeH5Kn7yMo9WQ2anWfgf2ae-0I9CZlcCQgVbCnMm1vbMaiKa94lasOX0hT2eHTtq6XAljY7jV78_Bs_iIaOsD3NuttJzRt1Y5SLL9eXmL9LEqm-FziBOHs9PxV3WkgHS3vm1DjgGJ_18z9b2ZaSEwrfSsy7kGMbJjzquFXR1Xxot387eEoGbMHfVFkDoqHLEI4AKBy0MAJLCeIiiAh49Os7BQaQR_CXePrBFq3Y4wkI8dpb8rs5sTF4JBFVW3nAsGKt5DW1jn0jvsmLkf3q9mDvky6DJU-Mld_GHqOoI1vF44NrUzqpN_h19OFxmTszkkNd6r388rVWyCH1uX2M63fKYaB4okVReGlvmvZkIF_Hy0\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com#plantuml:TLJ1Zjem4Br7oZ-CzW9xMAIsDmxLKhgiaBejAhrLFGpE01QExTfZjkdNTvm4oDBT71BiUPvvRvw7-yWOEDMcBE91Muy1QuZS699tqAeBbGLhbgtvdjJ19OPrsiGcCjKmdZjRQTREee6bPGgeyWeM0NSrMOwt-RnikW0tynJPrHHk02FaHLb8ITPAUxGiyRw09ENWZ3aXEPWhv0gRdFqHcPwnQL7zxxwSFigohv7VSFUnpGDJq5O8I_HKRNmxFD7MAeiHl9l05-VyMSaKLi4fYb7R7MWH7oKJA65L5YO3Vy92H3wWsiCozqQYwxtpFkFd0eDVPG7oj3GkT8uKzBR99zRir26pUO7AvATGwUWDTh1KrnYQ32HRPR9N0cFQr9hx5es5OVMP6BNfl1Z1-mdCZ5XbKKJJGE1JueJ6D41_b4an1tsNHRwyZz8dmwBpCKdEASoKSabYdz2WLIJNOhiLXpByIchlZN33n7iNz5_w4T36xhAS99zDE5kPTqzdxou2-N9svdrmHwewR4MlvtYzcUkaifyht57RJ1Ff8cvfuqNE8jag_kVVYsHzknz2SE4D3uLfxLakoLTwxk5F9Ese1bQEuCC4llb-eYxMdBSsjCUZbekM7IaBvmU6dEOBljFlH3AW5QpGjsj5shzr0ttGbbjWZnlm6NIq6utXHZjTzuAKlub_\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7de8\u8f2f PlantUML<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<h3 data-nodeid=\"7074\">\u5834\u666f B\uff1a\u4e26\u884c\u8655\u7406\u67b6\u69cb\uff08<code data-backticks=\"1\" data-nodeid=\"7267\">par<\/code>)<\/h3>\n<p data-nodeid=\"7075\">\u7d50\u5e33\u5f8c\uff0c\u7cfb\u7d71\u5fc5\u9808\u5c07\u8cc7\u6599\u5eab\u5eab\u5b58\u66f4\u65b0\u8207\u7b2c\u4e09\u65b9\u7269\u6d41\u9810\u8a02\u9032\u884c\u540c\u6b65\u3002\u7531\u65bc\u9019\u4e9b\u64cd\u4f5c\u9664\u4e86\u6700\u521d\u7684\u8a02\u55ae\u89f8\u767c\u5916\uff0c\u4e0d\u5171\u4eab\u4efb\u4f55\u5171\u540c\u8cc7\u6e90\uff0c\u56e0\u6b64\u4f7f\u7528\u5e73\u884c\u7247\u6bb5\u4f86\u6a21\u64ec\u771f\u6b63\u7684\u975e\u540c\u6b65\u57f7\u884c\u3002<\/p>\n<p id=\"HlKffse\"><img alt=\"\" class=\"alignnone size-full wp-image-24713\" decoding=\"async\" height=\"334\" loading=\"lazy\" sizes=\"auto, (max-width: 514px) 100vw, 514px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/05\/img_6a0fb8fd7f50b.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/05\/img_6a0fb8fd7f50b.png 514w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/05\/img_6a0fb8fd7f50b-300x195.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/05\/img_6a0fb8fd7f50b-150x97.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2026\/05\/img_6a0fb8fd7f50b-400x260.png 400w\" width=\"514\"\/><\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">PlantUML<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com#plantuml:RLDDJyCm3BrFsd-mk6mxS81Z3mZj0ma9YQ713uWIqrbBayfn9_RlSThHbcqzj8q_dj-pdUSaXgMf_7II3XHgmwQ292UF-cQodMiw4H8rlOOZ1ebyWfV6VvFtbHvXljKixz6hNv2D5Oe1NjYKsRt8wOehPAas6dxtpWvv1B099GMy0vEW-xs8xwkkbsrGVxw8Uuib9Jsc7VAHR8VO6pEDJEre1FiwtHVkdyuMAC17U-WOHjvoj9WIXNBUofX1B_LFNW6R7xIDQ0pO66p3d7jYqYdOFSSGcmIoPpGkjNId4z1d1f-j3HwAKLE_QgVakeY1sU0lmA5hhEn4ENuqAfg4C6LkEQLNDsfGjWy0zsEXAQEiMq2Trog6R-8ANPVZy1OQ-eGN0XwBeSMmZ56NgBnKC0HeLRlNaXvNXfcGjsGFJNsbO3IrR1y0_Yces-JT6T7DHNSlrtzrYoiL8qGCBW_pnkmDspqTSHMhsgEWQ_SWani1_QtEiyBevVW5\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 8px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7de8\u8f2f PlantUML<\/span><br \/>\n<\/a>\n<\/div>\n<div class=\"vpascode-code-wrapper\">\n            <div class=\"vpascode-viewer-container vpascode-fancy-active\">\r\n                                <div class=\"vpascode-header\">\r\n                    <span class=\"vpascode-lang-label\">PlantUML<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com#plantuml:RL9DImCn4BqN-X-25_NWGOyUHAWAWc2blo0aOmtTPfSaBNXK12rL4SMYzVjGKKHHLAhIdsDssrF_Wib6sxMwXsoOcVVclSnCIuM5AXMzT4eM60-mm4KarQe7vXICk5GwfPWo8Vrnf--Fz5EZVRNTRMtfzsTp-VpOrzN3gB8PFhnsMnLRRMWK8op0NA6XziswhZqua6uTXWUxGmXBDClpZCD0hMlGVjuCQyVc7XVEyp9mvOlLWTgeSXk-heMdExfw71Sk-7acJLvQ2PWeLiOAUdtS7urDVKVG9F9yKbWK5CISBxB29o0bu_cHKOiVHixTZw-wlcXQis_NDbZVw9oTwxtjyBxXub5pFvQNJY7p3QEeMOzkgcZS0cDFuSbBM7jqwRwKdZUZXW8j4PLJHjHIoJXaYe6qOYoaPoVn6ZRU9nXBEfEMPIOcP3xF-7oPYI9GXw7m7nju4WRKJnZrxfKxbtjcZ8FgUmzkEv8Lqyw331Q2WSWoKYW5VzGdHcJZVO9VweCOdFjcf2DAO6AMCpzFH_yuI302ftPo_mmQ2xB2of3nYu472cWyT2ikGVIp9zE6nYpz5m00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 8px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-plantuml\" data-nodeid=\"7076\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\nskinparam style strictuml\r\n\r\ntitle \u5eab\u5b58\u5c65\u884c\uff08\u5e73\u884c\u4e92\u52d5\u7247\u6bb5\uff09\r\n\r\nparticipant \"\u8a02\u55ae\u5c65\u884c\u5f15\u64ce\" as Engine\r\nparticipant \"\u5eab\u5b58\u8cc7\u6599\u5eab\" as Inventory\r\nparticipant \"\u7269\u6d41\u670d\u52d9\" as Logistics\r\n\r\nactivate Engine\r\nEngine -&gt; Engine : lockOrderForProcessing()\r\n\r\n' \u5e73\u884c\u7247\u6bb5\uff1a\u57f7\u884c\u4e26\u884c\u7684\u975e\u540c\u6b65\u57f7\u884c\u7dd2\r\npar\r\n    ' \u7dda\u7a0b 1\uff1a\u5eab\u5b58\u66f4\u65b0\r\n    Engine -&gt; Inventory : deductStockQuantities()\r\n    activate Inventory\r\n    Inventory --&gt; Engine : stockDeductionConfirmed\r\n    deactivate Inventory\r\nelse\r\n    ' \u7dda\u7a0b 2\uff1a\u7269\u6d41\u9810\u8a02\r\n    Engine -&gt; Logistics : scheduleCarrierPickup()\r\n    activate Logistics\r\n    Logistics --&gt; Engine : pickupScheduled(trackingId)\r\n    deactivate Logistics\r\nend\r\n\r\nEngine -&gt; Engine : archiveCompletedOrder()\r\ndeactivate Engine\r\n@enduml<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com#plantuml:RL9DImCn4BqN-X-25_NWGOyUHAWAWc2blo0aOmtTPfSaBNXK12rL4SMYzVjGKKHHLAhIdsDssrF_Wib6sxMwXsoOcVVclSnCIuM5AXMzT4eM60-mm4KarQe7vXICk5GwfPWo8Vrnf--Fz5EZVRNTRMtfzsTp-VpOrzN3gB8PFhnsMnLRRMWK8op0NA6XziswhZqua6uTXWUxGmXBDClpZCD0hMlGVjuCQyVc7XVEyp9mvOlLWTgeSXk-heMdExfw71Sk-7acJLvQ2PWeLiOAUdtS7urDVKVG9F9yKbWK5CISBxB29o0bu_cHKOiVHixTZw-wlcXQis_NDbZVw9oTwxtjyBxXub5pFvQNJY7p3QEeMOzkgcZS0cDFuSbBM7jqwRwKdZUZXW8j4PLJHjHIoJXaYe6qOYoaPoVn6ZRU9nXBEfEMPIOcP3xF-7oPYI9GXw7m7nju4WRKJnZrxfKxbtjcZ8FgUmzkEv8Lqyw331Q2WSWoKYW5VzGdHcJZVO9VweCOdFjcf2DAO6AMCpzFH_yuI302ftPo_mmQ2xB2of3nYu472cWyT2ikGVIp9zE6nYpz5m00\" \r\n                       target=\"_blank\" \r\n                       rel=\"noopener noreferrer\" \r\n                       class=\"vpascode-fancy-btn\">\r\n                        <svg width=\"14\" height=\"14\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.5\" stroke-linecap=\"round\" stroke-linejoin=\"round\" style=\"margin-right: 6px;\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg>\r\n                        <span>Edit PlantUML in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n<div class=\"vpascode-actions\">\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com#plantuml:RLDDJyCm3BrFsd-mk6mxS81Z3mZj0ma9YQ713uWIqrbBayfn9_RlSThHbcqzj8q_dj-pdUSaXgMf_7II3XHgmwQ292UF-cQodMiw4H8rlOOZ1ebyWfV6VvFtbHvXljKixz6hNv2D5Oe1NjYKsRt8wOehPAas6dxtpWvv1B099GMy0vEW-xs8xwkkbsrGVxw8Uuib9Jsc7VAHR8VO6pEDJEre1FiwtHVkdyuMAC17U-WOHjvoj9WIXNBUofX1B_LFNW6R7xIDQ0pO66p3d7jYqYdOFSSGcmIoPpGkjNId4z1d1f-j3HwAKLE_QgVakeY1sU0lmA5hhEn4ENuqAfg4C6LkEQLNDsfGjWy0zsEXAQEiMq2Trog6R-8ANPVZy1OQ-eGN0XwBeSMmZ56NgBnKC0HeLRlNaXvNXfcGjsGFJNsbO3IrR1y0_Yces-JT6T7DHNSlrtzrYoiL8qGCBW_pnkmDspqTSHMhsgEWQ_SWani1_QtEiyBevVW5\" rel=\"noopener noreferrer\" target=\"_blank\"><br \/>\n<svg fill=\"none\" height=\"14\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\" stroke-width=\"2.5\" style=\"margin-right: 6px;\" viewbox=\"0 0 24 24\" width=\"14\"><path d=\"M11 4H4a2 2 0 0 0-2 2v14a2 2 0 0 0 2 2h14a2 2 0 0 0 2-2v-7\"><\/path><path d=\"M18.5 2.5a2.121 2.121 0 0 1 3 3L12 15l-4 1 1-4 9.5-9.5z\"><\/path><\/svg><br \/>\n<span>\u5728 VPasCode \u4e2d\u7de8\u8f2f PlantUML<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<hr data-nodeid=\"7077\"\/>\n<h2 data-nodeid=\"7078\">4. \u53ef\u64f4\u5c55\u67b6\u69cb\u7684\u9032\u968e\u62d3\u64b2<\/h2>\n<p data-nodeid=\"7079\">\u96a8\u8457\u7cfb\u7d71\u8907\u96dc\u5ea6\u589e\u52a0\uff0c\u4e92\u52d5\u7247\u6bb5\u53ef\u5be6\u73fe\u6a21\u7d44\u5316\u8207\u4f8b\u5916\u8655\u7406\uff0c\u800c\u4e0d\u6703\u4f7f\u4e3b\u8981\u9806\u5e8f\u5716\u8b8a\u5f97\u81c3\u816b\u3002<\/p>\n<h3 data-nodeid=\"7080\">\u4e92\u52d5\u767c\u751f\/\u53c3\u8003\uff08<code data-backticks=\"1\" data-nodeid=\"7273\">ref<\/code>)<\/h3>\n<p data-nodeid=\"7081\">\u5927\u578b\u5de5\u4f5c\u6d41\u7a0b\u88ab\u5206\u5272\u70ba\u5c08\u6ce8\u7684\u5b50\u5716\u3002\u4e00\u500b<strong data-nodeid=\"7281\"><code data-backticks=\"1\" data-nodeid=\"7277\">ref<\/code>\u7247\u6bb5<\/strong>\u4f5c\u70ba\u6a21\u7d44\u5316\u7684\u4f54\u4f4d\u7b26\uff0c\u8de8\u8d8a\u76f8\u95dc\u7684\u751f\u547d\u7dda\u4e26\u6a19\u8a18\u5916\u90e8\u5716\u5f62\u540d\u7a31\u3002\u9019\u4fc3\u9032\u4e86\u91cd\u7528\u6027\uff0c\u5f37\u5236\u57f7\u884c\u55ae\u4e00\u8077\u8cac\u5efa\u6a21\uff0c\u4e26\u78ba\u4fdd\u4e3b\u8981\u5716\u5f62\u4fdd\u6301\u5728\u53ef\u8b80\u7bc4\u570d\u5167\u3002<\/p>\n<h3 data-nodeid=\"7082\">\u4e2d\u65b7\u7247\u6bb5\uff08<code data-backticks=\"1\" data-nodeid=\"7283\">break<\/code>)<\/h3>\n<p data-nodeid=\"7083\">\u6703\u4e2d\u65b7\u6a19\u6e96\u57f7\u884c\u7684\u7570\u5e38\u6216\u932f\u8aa4\u6d41\u7a0b\uff0c\u4f7f\u7528<strong data-nodeid=\"7293\"><code data-backticks=\"1\" data-nodeid=\"7287\">break<\/code>\u7247\u6bb5\u4f86\u5efa\u6a21<\/strong>\u7576\u4e2d\u65b7\u7247\u6bb5\u7684\u5b88\u885b\u689d\u4ef6\u70ba\u771f\u6642\uff0c\u5176\u5167\u90e8\u64cd\u4f5c\u6703\u57f7\u884c\uff0c\u5c01\u9589\u4e92\u52d5\u7684\u5269\u9918\u90e8\u5206\u6703\u7acb\u5373\u653e\u68c4\uff0c\u63a7\u5236\u6b0a\u8fd4\u56de\u81f3\u7236\u4f5c\u7528\u57df\u3002\u9019\u5c0d\u65bc\u5efa\u6a21\u4ea4\u6613\u56de\u6efe\u3001\u903e\u6642\u8655\u7406\u5668\u548c\u7cfb\u7d71\u7d1a\u6545\u969c\u6062\u5fa9\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<hr data-nodeid=\"7084\"\/>\n<h2 data-nodeid=\"7085\">5. \u5de5\u7a0b\u6307\u5357\u8207\u512a\u5316\u7b56\u7565<\/h2>\n<p data-nodeid=\"7086\">\u70ba\u4e86\u6700\u5927\u5316\u5716\u5f62\u7684\u6e05\u6670\u5ea6\u3001\u53ef\u7dad\u8b77\u6027\u8207\u5de5\u5177\u76f8\u5bb9\u6027\uff0c\u4ee5\u4e0b\u67b6\u69cb\u6307\u5357\u5c07\u88ab\u5f37\u5236\u57f7\u884c\uff1a<\/p>\n<ol data-nodeid=\"7087\">\n<li data-nodeid=\"7088\">\n<p data-nodeid=\"7089\"><strong data-nodeid=\"7310\">\u5728\u00a0\u4e2d\u5f37\u5236\u57f7\u884c\u4e92\u65a5\u5b88\u885b<code data-backticks=\"1\" data-nodeid=\"7300\">alt<\/code>\u00a0\u6846\u67b6<\/strong><br \/>\n\u5b88\u885b\u689d\u4ef6\u5fc5\u9808\u5728\u908f\u8f2f\u4e0a\u4e92\u4e0d\u91cd\u758a\uff08\u4f8b\u5982\u00a0<code data-backticks=\"1\" data-nodeid=\"7306\">[Balance &gt;= Total]<\/code>\u00a0\u5c0d\u6bd4\u00a0<code data-backticks=\"1\" data-nodeid=\"7308\">[Balance &lt; Total]<\/code>\uff09\u3002\u91cd\u758a\u7684\u689d\u4ef6\u6703\u5f15\u5165\u57f7\u884c\u6642\u7684\u6b67\u7fa9\uff0c\u4e26\u9055\u53cdUML\u7684\u57f7\u884c\u8a9e\u7fa9\u3002<\/p>\n<\/li>\n<li data-nodeid=\"7090\">\n<p data-nodeid=\"7091\"><strong data-nodeid=\"7319\">\u9650\u5236\u7247\u6bb5\u5d4c\u5957\u6df1\u5ea6<\/strong><br \/>\n\u96d6\u7136UML\u5141\u8a31\u7121\u9650\u5d4c\u5957\uff0c\u4f46\u5be6\u969b\u53ef\u8b80\u6027\u5728\u8d85\u904e\u5169\u5c64\u5f8c\u6703\u4e0b\u964d\u3002\u5982\u679c\u908f\u8f2f\u9700\u8981\u66f4\u6df1\u7684\u5d4c\u5957\uff0c\u61c9\u5c07\u5b50\u6d41\u7a0b\u63d0\u53d6\u5230\u7368\u7acb\u7684\u5716\u8868\u4e2d\uff0c\u4e26\u901a\u904e\u00a0<code data-backticks=\"1\" data-nodeid=\"7317\">ref<\/code>.<\/p>\n<\/li>\n<li data-nodeid=\"7092\">\n<p data-nodeid=\"7093\"><strong data-nodeid=\"7326\">\u5c07\u751f\u547d\u7dda\u8207\u7247\u6bb5\u908a\u754c\u5c0d\u9f4a<\/strong><br \/>\n\u50c5\u5305\u542b\u5728\u7247\u6bb5\u5167\u8a0a\u606f\u4e2d\u7a4d\u6975\u53c3\u8207\u7684\u751f\u547d\u7dda\u3002\u5916\u90e8\u6216\u88ab\u52d5\u7684\u751f\u547d\u7dda\u61c9\u4fdd\u7559\u5728\u6846\u67b6\u4e4b\u5916\uff0c\u4ee5\u6e1b\u5c11\u8996\u89ba\u6df7\u96dc\u4e26\u9632\u6b62\u5c0d\u7bc4\u570d\u7684\u8aa4\u89e3\u3002<\/p>\n<\/li>\n<li data-nodeid=\"7094\">\n<p data-nodeid=\"7095\"><strong data-nodeid=\"7332\">\u512a\u5316\u5de5\u5177\u8207\u4f48\u5c40\u5be6\u52d9<\/strong><\/p>\n<ul data-nodeid=\"7096\">\n<li data-nodeid=\"7097\">\n<p data-nodeid=\"7098\"><strong data-nodeid=\"7341\">\u660e\u78ba\u7684\u6fc0\u6d3b\u63a7\u5236\uff1a<\/strong>\u00a0\u5c07\u8a0a\u606f\u8207\u00a0<code data-backticks=\"1\" data-nodeid=\"7337\">activate<\/code>\/<code data-backticks=\"1\" data-nodeid=\"7339\">deactivate<\/code>\u00a0\u547d\u4ee4\uff0c\u4ee5\u660e\u78ba\u8ffd\u8e64\u689d\u4ef6\u8207\u5e73\u884c\u5206\u652f\u4e4b\u9593\u7684\u57f7\u884c\u7dd2\u6240\u6709\u6b0a\u3002<\/p>\n<\/li>\n<li data-nodeid=\"7099\">\n<p data-nodeid=\"7100\"><strong data-nodeid=\"7346\">\u7c21\u6f54\u7684\u5b88\u885b\u8a9e\u6cd5\uff1a<\/strong>\u00a0\u5c07\u62ec\u865f\u5167\u7684\u689d\u4ef6\u4fdd\u6301\u7c21\u77ed\u4e14\u5177\u6709\u5ba3\u544a\u6027\u3002\u904e\u9577\u7684\u8b02\u8a5e\u6703\u626d\u66f2\u6846\u67b6\u5e7e\u4f55\u5f62\u72c0\uff0c\u4e26\u7834\u58de\u81ea\u52d5\u4f48\u5c40\u5f15\u64ce\u3002<\/p>\n<\/li>\n<li data-nodeid=\"7101\">\n<p data-nodeid=\"7102\"><strong data-nodeid=\"7353\">\u7d50\u69cb\u5316\u6a19\u7c64\u683c\u5f0f\uff1a<\/strong>\u00a0\u4f7f\u7528\u00a0<code data-backticks=\"1\" data-nodeid=\"7351\">n<\/code>\u00a0\u5728\u9577\u6a19\u984c\u6216\u8a3b\u91cb\u4e2d\u7528\u65bc\u63db\u884c\uff0c\u4ee5\u5f37\u5236\u5782\u76f4\u5806\u758a\u4e26\u4fdd\u7559\u5716\u8868\u7684\u9577\u5bec\u6bd4\u3002<\/p>\n<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<hr data-nodeid=\"7103\"\/>\n<h2 data-nodeid=\"7104\">\u7d50\u8ad6<\/h2>\n<p class=\"\" data-nodeid=\"7105\">\u4e92\u52d5\u7247\u6bb5\u5c07UML\u5e8f\u5217\u5716\u5f9e\u975c\u614b\u8a0a\u606f\u8a18\u9304\u8f49\u8b8a\u70ba\u52d5\u614b\u3001\u53ef\u57f7\u884c\u7684\u884c\u70ba\u898f\u7bc4\u3002\u900f\u904e\u638c\u63e1\u5408\u4f75\u7247\u6bb5\u3001\u64cd\u4f5c\u6578\u5b88\u885b\u8207\u57f7\u884c\u904b\u7b97\u5b50\uff0c\u67b6\u69cb\u5e2b\u80fd\u5920\u6e96\u78ba\u6a21\u64ec\u73fe\u4ee3\u5206\u6563\u5f0f\u7cfb\u7d71\u7684\u689d\u4ef6\u6027\u3001\u4e26\u884c\u6027\u8207\u8fed\u4ee3\u6027\u73fe\u5be6\u3002\u5148\u9032\u62d3\u64b2\u7d50\u69cb\u7684\u6574\u5408\uff0c\u4f8b\u5982\u00a0<code data-backticks=\"1\" data-nodeid=\"7356\">ref<\/code>\u548c<code data-backticks=\"1\" data-nodeid=\"7358\">\u4e2d\u65b7<\/code>\uff0c\u7d50\u5408\u6709\u7d00\u5f8b\u7684\u5d4c\u5957\u8207\u914d\u7f6e\u505a\u6cd5\uff0c\u53ef\u78ba\u4fdd\u884c\u70ba\u6587\u4ef6\u4fdd\u6301\u53ef\u64f4\u5c55\u3001\u660e\u78ba\u4e14\u76f4\u63a5\u8207\u5be6\u4f5c\u908f\u8f2f\u4e00\u81f4\u3002\u96a8\u8457\u8edf\u9ad4\u7cfb\u7d71\u6301\u7e8c\u671d\u5411\u66f4\u9ad8\u7684\u4e26\u884c\u6027\u8207\u6a21\u7d44\u5316\u8a2d\u8a08\u767c\u5c55\uff0c\u4e92\u52d5\u7247\u6bb5\u5c07\u6301\u7e8c\u6210\u70ba\u9023\u7d50\u67b6\u69cb\u610f\u5716\u8207\u57f7\u884c\u6642\u671f\u884c\u70ba\u7684\u4e0d\u53ef\u6216\u7f3a\u5de5\u5177\u3002<\/p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f15\u8a00 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