{"id":1814,"date":"2026-04-05T03:08:26","date_gmt":"2026-04-05T03:08:26","guid":{"rendered":"https:\/\/www.ez-knowledge.com\/tw\/uml-sequence-diagram-comprehensive-guide\/"},"modified":"2026-04-05T03:08:26","modified_gmt":"2026-04-05T03:08:26","slug":"uml-sequence-diagram-comprehensive-guide","status":"publish","type":"post","link":"https:\/\/www.ez-knowledge.com\/tw\/uml-sequence-diagram-comprehensive-guide\/","title":{"rendered":"\u5f9e\u6df7\u4e82\u5230\u6e05\u6670\uff1aUML\u5e8f\u5217\u5716\u7684\u5168\u9762\u6307\u5357"},"content":{"rendered":"<p>\u8edf\u9ad4\u67b6\u69cb\u6975\u5ea6\u4f9d\u8cf4\u6e9d\u901a\u3002\u7576\u591a\u500b\u7cfb\u7d71\u3001\u7d44\u4ef6\u6216\u53c3\u8207\u8005\u4e92\u52d5\u6642\uff0c\u8907\u96dc\u5ea6\u53ef\u80fd\u8fc5\u901f\u589e\u52a0\u3002\u70ba\u4e86\u7ba1\u7406\u9019\u7a2e\u8907\u96dc\u6027\uff0c\u958b\u767c\u4eba\u54e1\u548c\u67b6\u69cb\u5e2b\u6703\u4f7f\u7528\u6a19\u6e96\u5316\u7684\u7b26\u865f\u3002\u5728\u9019\u4e9b\u7b26\u865f\u4e2d\uff0c\u7d71\u4e00\u5efa\u6a21\u8a9e\u8a00\uff08UML\uff09\u5e8f\u5217\u5716\u56e0\u5176\u80fd\u6709\u6548\u8996\u89ba\u5316\u52d5\u614b\u884c\u70ba\u800c\u986f\u5f97\u5c24\u70ba\u91cd\u8981\u3002\u672c\u6307\u5357\u6df1\u5165\u63a2\u8a0e\u5e8f\u5217\u5716\u7684\u6a5f\u5236\u3001\u7b26\u865f\u4ee5\u53ca\u5be6\u969b\u61c9\u7528\uff0c\u5f9e\u57fa\u672c\u6982\u5ff5\u9010\u6b65\u904e\u6e21\u5230\u9ad8\u968e\u4e92\u52d5\u6a21\u5f0f\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Adorable kawaii-style infographic explaining UML sequence diagrams: shows lifelines with cute character mascots, activation bars, four message types (synchronous, asynchronous, return, self-call), combined fragments (alt, opt, loop, break, par, ref), best practices checklist, and a user login flow example, all in soft pastel colors with rounded shapes on a 16:9 layout for educational clarity\" decoding=\"async\" src=\"https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/04\/kawaii-uml-sequence-diagrams-infographic-guide.jpg\"\/><\/figure>\n<\/div>\n<h2>\u7406\u89e3\u6838\u5fc3\u76ee\u7684 \ud83c\udfaf<\/h2>\n<p>\u5e8f\u5217\u5716\u662f\u4e00\u7a2e\u4e92\u52d5\u5716\u3002\u5b83\u986f\u793a\u7269\u4ef6\u4e4b\u9593\u5982\u4f55\u76f8\u4e92\u64cd\u4f5c\u4ee5\u53ca\u64cd\u4f5c\u7684\u9806\u5e8f\u3002\u4e3b\u8981\u91cd\u9ede\u5728\u65bc\u53c3\u8207\u8005\u4e4b\u9593\u63a7\u5236\u8207\u8cc7\u6599\u6d41\u52d5\u7684\u6642\u9593\u8ef8\u3002\u8207\u5c55\u793a\u975c\u614b\u7d50\u69cb\u7684\u985e\u5716\u4e0d\u540c\uff0c\u5e8f\u5217\u5716\u6355\u6349\u7cfb\u7d71\u7684\u6642\u9593\u7279\u6027\u3002<\/p>\n<p>\u4e3b\u8981\u7279\u5fb5\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u6642\u9593\u5c0e\u5411\uff1a<\/strong> \u6642\u9593\u5f9e\u4e0a\u5f80\u4e0b\u6d41\u52d5\u3002<\/li>\n<li><strong>\u5c08\u6ce8\u65bc\u4e92\u52d5\uff1a<\/strong> \u5b83\u5f37\u8abf\u7269\u4ef6\u4e4b\u9593\u8a0a\u606f\u7684\u4ea4\u63db\u3002<\/li>\n<li><strong>\u60c5\u5883\u6e05\u6670\u5ea6\uff1a<\/strong> \u5b83\u5b9a\u7fa9\u4e86\u7279\u5b9a\u60c5\u5883\u6216\u7528\u4f8b\u7684\u751f\u547d\u5468\u671f\u3002<\/li>\n<\/ul>\n<p>\u5728\u69cb\u5efa\u9019\u4e9b\u5716\u8868\u6642\uff0c\u76ee\u6a19\u662f\u5448\u73fe\u7cfb\u7d71\u7684\u908f\u8f2f\uff0c\u800c\u4e0d\u9677\u5165\u5be6\u4f5c\u7d30\u7bc0\u3002\u9019\u7a2e\u62bd\u8c61\u4f7f\u5229\u76ca\u76f8\u95dc\u8005\u80fd\u5728\u64b0\u5beb\u7a0b\u5f0f\u78bc\u4e4b\u524d\u9a57\u8b49\u9700\u6c42\u8207\u908f\u8f2f\u3002<\/p>\n<h2>\u57fa\u672c\u69cb\u5efa\u6a21\u584a \ud83e\uddf1<\/h2>\n<p>\u8981\u6709\u6548\u95b1\u8b80\u6216\u5275\u5efa\u5e8f\u5217\u5716\uff0c\u5fc5\u9808\u7406\u89e3\u6a19\u6e96\u5143\u7d20\u3002\u6bcf\u500b\u5143\u7d20\u5728\u5716\u4e2d\u90fd\u5177\u6709\u7279\u5b9a\u7684\u8a9e\u7fa9\u529f\u80fd\u3002<\/p>\n<h3>1. \u53c3\u8207\u8005\uff08\u751f\u547d\u7dda\uff09 \ud83d\udfe6<\/h3>\n<p>\u53c3\u8207\u8005\u4ee3\u8868\u4e92\u52d5\u4e2d\u6d89\u53ca\u7684\u5be6\u9ad4\u3002\u9019\u53ef\u80fd\u662f\u4f7f\u7528\u8005\u3001\u985e\u5225\u3001\u4ecb\u9762\u6216\u5916\u90e8\u7cfb\u7d71\u3002\u5728\u5716\u4e2d\uff0c\u53c3\u8207\u8005\u4ee5\u4e00\u689d\u5f9e\u9801\u9762\u9802\u7aef\u5ef6\u4f38\u4e0b\u4f86\u7684\u5782\u76f4\u865b\u7dda\u8868\u793a\u3002\u9019\u689d\u7dda\u7a31\u70ba<strong>\u751f\u547d\u7dda<\/strong>.<\/p>\n<ul>\n<li><strong>\u6a19\u7c64\uff1a<\/strong> \u653e\u7f6e\u5728\u751f\u547d\u7dda\u7684\u9802\u7aef\uff0c\u901a\u5e38\u4ee5\u7c97\u9ad4\u5b57\u986f\u793a\u3002<\/li>\n<li><strong>\u8eab\u5206\uff1a<\/strong> \u53ef\u4ee5\u4ee3\u8868\u7279\u5b9a\u5be6\u4f8b\uff08\u4f8b\u5982\uff0c<code>customer: Customer<\/code>\uff09\u6216\u4e00\u822c\u985e\u5225\uff08\u4f8b\u5982\uff0c<code>Customer<\/code>).<\/li>\n<li><strong>\u6301\u7e8c\u6642\u9593\uff1a<\/strong> \u8a72\u7dda\u5411\u4e0b\u5ef6\u4f38\uff0c\u4ee5\u986f\u793a\u53c3\u8207\u8005\u5728\u4e92\u52d5\u4e2d\u6d3b\u8e8d\u7684\u6642\u9593\u9577\u5ea6\u3002<\/li>\n<\/ul>\n<h3>2. \u6d3b\u52d5\u689d \u23f1\ufe0f<\/h3>\n<p>\u4e5f\u7a31\u70ba\u57f7\u884c\u767c\u751f\uff0c\u6d3b\u52d5\u689d\u662f\u653e\u7f6e\u5728\u751f\u547d\u7dda\u4e0a\u7684\u7d30\u9577\u77e9\u5f62\u6846\u3002\u5b83\u8868\u793a\u53c3\u8207\u8005\u57f7\u884c\u52d5\u4f5c\u6216\u8655\u65bc\u63a7\u5236\u72c0\u614b\u7684\u671f\u9593\u3002<\/p>\n<ul>\n<li><strong>\u5165\u53e3\u9ede\uff1a<\/strong> \u689d\u5f62\u5716\u7684\u9802\u90e8\u986f\u793a\u7269\u4ef6\u958b\u59cb\u8655\u7406\u7684\u6642\u9593\u3002<\/li>\n<li><strong>\u51fa\u53e3\u9ede\uff1a<\/strong> \u689d\u5f62\u5716\u7684\u5e95\u90e8\u986f\u793a\u7269\u4ef6\u5b8c\u6210\u4efb\u52d9\u4e26\u8fd4\u56de\u63a7\u5236\u6b0a\u7684\u6642\u9593\u3002<\/li>\n<li><strong>\u5de2\u72c0\uff1a<\/strong> \u689d\u5f62\u5716\u53ef\u4ee5\u5de2\u72c0\uff0c\u4ee5\u986f\u793a\u905e\u8ff4\u547c\u53eb\u6216\u9577\u6642\u9593\u57f7\u884c\u7684\u6d41\u7a0b\u3002<\/li>\n<\/ul>\n<h3>3. \u6d88\u606f \ud83d\udcac<\/h3>\n<p>\u6d88\u606f\u662f\u9023\u63a5\u751f\u547d\u7dda\u7684\u6c34\u5e73\u7bad\u982d\u3002\u5b83\u5011\u4ee3\u8868\u53c3\u8207\u8005\u4e4b\u9593\u7684\u901a\u4fe1\u3002\u7bad\u982d\u7684\u65b9\u5411\u8868\u793a\u8cc7\u8a0a\u7684\u6d41\u5411\u3002<\/p>\n<h4>\u6d88\u606f\u985e\u578b<\/h4>\n<table>\n<thead>\n<tr>\n<th>\u985e\u578b<\/th>\n<th>\u7bad\u982d\u6a23\u5f0f<\/th>\n<th>\u8a9e\u7fa9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u540c\u6b65<\/td>\n<td>\u5be6\u5fc3\u7bad\u982d\u982d<\/td>\n<td>\u767c\u9001\u8005\u6703\u7b49\u5f85\u63a5\u6536\u8005\u5b8c\u6210\u4efb\u52d9\u5f8c\u624d\u7e7c\u7e8c\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u975e\u540c\u6b65<\/td>\n<td>\u958b\u653e\u7bad\u982d\u982d<\/td>\n<td>\u767c\u9001\u8005\u767c\u9001\u6d88\u606f\u5f8c\u7acb\u5373\u7e7c\u7e8c\uff0c\u7121\u9700\u7b49\u5f85\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u56de\u50b3<\/td>\n<td>\u865b\u7dda + \u958b\u653e\u7bad\u982d\u982d<\/td>\n<td>\u8868\u793a\u63a5\u6536\u8005\u767c\u9001\u56de\u61c9\u7d66\u767c\u9001\u8005\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u81ea\u6211\u547c\u53eb<\/td>\n<td>\u5f27\u5f62\u7bad\u982d<\/td>\n<td>\u7269\u4ef6\u8abf\u7528\u81ea\u8eab\u7684\u65b9\u6cd5\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u9032\u968e\u4e92\u52d5\u6a21\u5f0f \ud83d\udd17<\/h2>\n<p>\u73fe\u5be6\u4e16\u754c\u7684\u60c5\u5883\u5f88\u5c11\u9075\u5faa\u55ae\u4e00\u7684\u7dda\u6027\u8def\u5f91\u3002\u7cfb\u7d71\u7d93\u5e38\u5206\u652f\u3001\u8ff4\u5708\u6216\u4e26\u884c\u904b\u884c\u3002UML \u63d0\u4f9b\u4e86<strong>\u5408\u4f75\u7247\u6bb5<\/strong> \u4ee5\u8655\u7406\u9019\u4e9b\u8907\u96dc\u6027\u3002\u9019\u4e9b\u7247\u6bb5\u88ab\u5305\u542b\u5728\u4e00\u500b\u6a19\u6709\u7279\u5b9a\u95dc\u9375\u5b57\u7684\u77e9\u5f62\u6846\u4e2d\u3002<\/p>\n<h3>1. Alt\uff08\u66ff\u4ee3\uff09 \ud83d\udd04<\/h3>\n<p>\u7528\u65bc\u8868\u793a\u689d\u4ef6\u908f\u8f2f\uff0c\u985e\u4f3c\u65bc<code>if-else<\/code>\u8a9e\u53e5\u3002\u5b83\u5c07\u4e92\u52d5\u5206\u6210\u591a\u500b\u7247\u6bb5\uff0c\u5176\u4e2d\u50c5\u6839\u64da\u689d\u4ef6\u57f7\u884c\u4e00\u689d\u8def\u5f91\u3002<\/p>\n<ul>\n<li><strong>\u7d50\u69cb\uff1a<\/strong> \u4e00\u500b\u6a19\u7c64\u70ba<code>alt<\/code> \u7684\u6846\uff0c\u5305\u542b\u591a\u500b\u7531\u865b\u7dda\u5206\u9694\u7684\u64cd\u4f5c\u6578\u3002<\/li>\n<li><strong>\u689d\u4ef6\uff1a<\/strong> \u6bcf\u500b\u64cd\u4f5c\u6578\u90fd\u6709\u4e00\u500b\u65b9\u62ec\u865f\u4e2d\u7684\u5b88\u885b\u689d\u4ef6\uff08\u4f8b\u5982\uff0c<code>[\u4f7f\u7528\u8005\u6709\u6548]<\/code>).<\/li>\n<li><strong>\u7528\u9014\uff1a<\/strong> \u7528\u65bc\u986f\u793a\u5206\u652f\u908f\u8f2f\uff0c\u4f8b\u5982\u9a57\u8b49\u6210\u529f\u8207\u5931\u6557\u3002<\/li>\n<\/ul>\n<h3>2. Opt\uff08\u53ef\u9078\uff09\u26a1<\/h3>\n<p>\u985e\u4f3c\u65bc<code>alt<\/code>\uff0c\u4f46\u6697\u793a\u8a72\u7247\u6bb5\u662f\u53ef\u9078\u7684\u3002\u5982\u679c\u689d\u4ef6\u70ba\u5047\uff0c\u7247\u6bb5\u5167\u7684\u4e92\u52d5\u4fbf\u4e0d\u6703\u767c\u751f\u3002<\/p>\n<ul>\n<li><strong>\u4f7f\u7528\u6848\u4f8b\uff1a<\/strong> \u986f\u793a\u53ef\u9078\u529f\u80fd\uff0c\u4f8b\u5982\u5132\u5b58\u5099\u4efd\u6216\u8a18\u9304\u932f\u8aa4\u3002<\/li>\n<li><strong>\u689d\u4ef6\uff1a<\/strong> \u901a\u5e38\u7531\u55ae\u4e00\u689d\u4ef6\u6c7a\u5b9a\u6574\u500b\u5340\u584a\u662f\u5426\u57f7\u884c\u3002<\/li>\n<\/ul>\n<h3>3. Loop \ud83d\udd04<\/h3>\n<p>\u4ee3\u8868\u91cd\u8907\uff0c\u985e\u4f3c\u65bc<code>for<\/code>\u6216<code>while<\/code>\u8ff4\u5708\u3002\u7576\u67d0\u500b\u52d5\u4f5c\u9700\u8981\u91cd\u8907\u57f7\u884c\u6642\u4f7f\u7528\u3002<\/p>\n<ul>\n<li><strong>\u6a19\u7c64\uff1a<\/strong> \u8a72\u6846\u6a19\u7c64\u70ba<code>loop<\/code>.<\/li>\n<li><strong>\u689d\u4ef6\uff1a<\/strong> \u53ef\u6307\u5b9a\u8a08\u6578\u5668\u6216\u7d42\u6b62\u689d\u4ef6\uff08\u4f8b\u5982\uff0c<code>[\u7576\u9805\u76ee\u5b58\u5728\u6642]<\/code>).<\/li>\n<li><strong>\u7528\u6cd5\uff1a<\/strong> \u8fed\u4ee3\u8cc7\u6599\u5eab\u8a18\u9304\u6e05\u55ae\u6216\u91cd\u8a66\u7db2\u8def\u8acb\u6c42\u3002<\/li>\n<\/ul>\n<h3>4. \u4e2d\u65b7 \ud83d\uded1<\/h3>\n<p>\u4ee3\u8868\u4f8b\u5916\u8def\u5f91\u6216\u6b63\u5e38\u6d41\u7a0b\u7684\u7d42\u6b62\u3002\u901a\u5e38\u7528\u65bc\u986f\u793a\u932f\u8aa4\u8655\u7406\u3002<\/p>\n<ul>\n<li><strong>\u7d50\u69cb\uff1a<\/strong> \u6a19\u7c64\u70ba<code>\u4e2d\u65b7<\/code>.<\/li>\n<li><strong>\u689d\u4ef6\uff1a<\/strong> \u901a\u5e38\u8868\u793a\u932f\u8aa4\u72c0\u614b\uff08\u4f8b\u5982\uff0c<code>[\u903e\u6642\u767c\u751f]<\/code>).<\/li>\n<\/ul>\n<h3>5. \u5e73\u884c\uff08Par\uff09 \u260e\ufe0f<\/h3>\n<p>\u8868\u793a\u591a\u500b\u64cd\u4f5c\u540c\u6642\u767c\u751f\u3002\u9019\u5728\u5177\u6709\u591a\u57f7\u884c\u7dd2\u6216\u5206\u6563\u5f0f\u5fae\u670d\u52d9\u7684\u7cfb\u7d71\u4e2d\u5f88\u5e38\u898b\u3002<\/p>\n<ul>\n<li><strong>\u7d50\u69cb\uff1a<\/strong> \u6846\u67b6\u6a19\u7c64\u70ba<code>\u5e73\u884c<\/code>.<\/li>\n<li><strong>\u57f7\u884c\uff1a<\/strong> \u6846\u67b6\u5167\u7684\u6240\u6709\u4e92\u52d5\u540c\u6642\u767c\u751f\u3002<\/li>\n<li><strong>\u7528\u6cd5\uff1a<\/strong> \u5c55\u793a\u7cfb\u7d71\u540c\u6642\u5c07\u8cc7\u6599\u50b3\u9001\u81f3\u8cc7\u6599\u5eab\u548c\u5feb\u53d6\u3002<\/li>\n<\/ul>\n<h3>6. \u53c3\u8003\uff08Ref\uff09 \ud83d\udcce<\/h3>\n<p>\u7528\u65bc\u53c3\u8003\u53e6\u4e00\u500b\u5e8f\u5217\u5716\u6216\u76ee\u524d\u5716\u8868\u7684\u8a73\u7d30\u90e8\u5206\u3002\u900f\u904e\u96b1\u85cf\u8907\u96dc\u6027\u4f86\u4fdd\u6301\u4e3b\u5716\u7684\u6e05\u6670\u3002<\/p>\n<ul>\n<li><strong>\u6a19\u7c64\uff1a<\/strong> \u6846\u67b6\u6a19\u7c64\u70ba<code>ref<\/code>.<\/li>\n<li><strong>\u9023\u7d50\uff1a<\/strong> \u6307\u5411\u7279\u5b9a\u7684\u5716\u8868\u540d\u7a31\u6216\u540c\u4e00\u6a21\u578b\u4e2d\u7684\u67d0\u500b\u90e8\u5206\u3002<\/li>\n<\/ul>\n<h2>\u6709\u6548\u8a2d\u8a08\u7684\u6700\u4f73\u5be6\u52d9 \ud83d\udee0\ufe0f<\/h2>\n<p>\u5275\u9020\u6e05\u6670\u7684\u5716\u8868\u9700\u8981\u7d00\u5f8b\u3002\u96dc\u4e82\u7684\u5716\u8868\u6bd4\u6c92\u6709\u5716\u8868\u66f4\u7cdf\u7cd5\u3002\u9075\u5faa\u65e2\u5b9a\u7684\u6307\u5357\u53ef\u78ba\u4fdd\u6587\u4ef6\u5728\u672a\u4f86\u7dad\u8b77\u6642\u4ecd\u5177\u5be6\u7528\u6027\u3002<\/p>\n<h3>1. \u7bc4\u570d\u7ba1\u7406<\/h3>\n<p>\u4e0d\u8981\u8a66\u5716\u5728\u4e00\u500b\u8996\u5716\u4e2d\u7e6a\u88fd\u6574\u500b\u7cfb\u7d71\u3002\u55ae\u4e00\u7684\u9806\u5e8f\u5716\u61c9\u5c08\u6ce8\u65bc\u55ae\u4e00\u4f7f\u7528\u6848\u4f8b\u6216\u7279\u5b9a\u7684\u4e92\u52d5\u6d41\u7a0b\u3002\u5982\u679c\u60c5\u5883\u8907\u96dc\uff0c\u8acb\u4f7f\u7528 <strong>Ref<\/strong> \u7247\u6bb5\u5c07\u5176\u5206\u89e3\u70ba\u5b50\u5716\u3002<\/p>\n<h3>2. \u547d\u540d\u6163\u4f8b<\/h3>\n<p>\u4e00\u81f4\u6027\u81f3\u95dc\u91cd\u8981\u3002\u70ba\u53c3\u8207\u8005\u548c\u8a0a\u606f\u4f7f\u7528\u6709\u610f\u7fa9\u7684\u540d\u7a31\u3002<\/p>\n<ul>\n<li><strong>\u53c3\u8207\u8005\uff1a<\/strong> \u4f7f\u7528\u985e\u5225\u540d\u7a31\u6216\u7279\u5b9a\u89d2\u8272\uff08\u4f8b\u5982\uff0c<code>OrderService<\/code>, <code>PaymentGateway<\/code>).<\/li>\n<li><strong>\u8a0a\u606f\uff1a<\/strong> \u4f7f\u7528\u63cf\u8ff0\u52d5\u4f5c\u7684\u52d5\u8a5e\u7247\u8a9e\uff08\u4f8b\u5982\uff0c<code>processPayment()<\/code>, <code>sendConfirmation()<\/code>).<\/li>\n<\/ul>\n<h3>3. \u6700\u5c0f\u5316\u6fc0\u6d3b\u689d<\/h3>\n<p>\u50c5\u5728\u5fc5\u8981\u6642\u624d\u7e6a\u88fd\u6fc0\u6d3b\u689d\u3002\u5982\u679c\u7269\u4ef6\u50c5\u662f\u50b3\u905e\u8a0a\u606f\u800c\u672a\u9032\u884c\u8655\u7406\uff0c\u5247\u53ef\u7701\u7565\u6fc0\u6d3b\u689d\u4ee5\u6e1b\u5c11\u8996\u89ba\u5e72\u64fe\u3002\u9019\u80fd\u8b93\u7126\u9ede\u96c6\u4e2d\u5728\u95dc\u9375\u6c7a\u7b56\u9ede\u4e0a\u3002<\/p>\n<h3>4. \u908f\u8f2f\u6392\u5e8f<\/h3>\n<p>\u4ee5\u908f\u8f2f\u9806\u5e8f\u6392\u5217\u8a0a\u606f\u3002\u76e1\u53ef\u80fd\u907f\u514d\u7bad\u982d\u4ea4\u53c9\u3002\u4ea4\u53c9\u7684\u7dda\u689d\u6703\u9020\u6210\u8996\u89ba\u6df7\u6dc6\uff0c\u4e26\u4f7f\u8ffd\u8e64\u63a7\u5236\u6d41\u7a0b\u8b8a\u5f97\u66f4\u56f0\u96e3\u3002<\/p>\n<h3>5. \u660e\u78ba\u8655\u7406\u4f8b\u5916\u60c5\u6cc1<\/h3>\n<p>\u4e0d\u8981\u5ffd\u7565\u932f\u8aa4\u8def\u5f91\u3002\u4f7f\u7528 <strong>\u4e2d\u65b7<\/strong> \u6216 <strong>Alt<\/strong>\u7247\u6bb5\u7528\u65bc\u986f\u793a\u670d\u52d9\u5931\u6557\u6642\u767c\u751f\u7684\u60c5\u6cc1\u3002\u9019\u5c0d\u65bc\u7406\u89e3\u7cfb\u7d71\u7684\u97cc\u6027\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h2>\u61c9\u907f\u514d\u7684\u5e38\u898b\u9677\u9631 \ud83d\udeab<\/h2>\n<p>\u5373\u4f7f\u7d93\u9a57\u8c50\u5bcc\u7684\u5be6\u52d9\u4eba\u54e1\u5728\u8a2d\u8a08\u9019\u4e9b\u5716\u8868\u6642\u4e5f\u6703\u72af\u932f\u3002\u53ca\u65e9\u8b58\u5225\u9019\u4e9b\u6a21\u5f0f\u53ef\u4ee5\u5728\u4ee3\u78bc\u5be9\u67e5\u671f\u9593\u7bc0\u7701\u5927\u91cf\u6642\u9593\u3002<\/p>\n<ul>\n<li><strong><strong>\u5716\u8868\u904e\u5ea6\u8907\u96dc\uff1a<\/strong><\/strong> \u8a66\u5716\u986f\u793a\u6bcf\u4e00\u9805\u65b9\u6cd5\u547c\u53eb\u6703\u4f7f\u5716\u8868\u96e3\u4ee5\u95b1\u8b80\u3002\u61c9\u5c08\u6ce8\u65bc\u9ad8\u968e\u6d41\u7a0b\u3002<\/li>\n<li><strong><strong>\u5ffd\u7565\u6642\u9593\uff1a<\/strong><\/strong> \u7e31\u8ef8\u4ee3\u8868\u6642\u9593\u3002\u8acb\u78ba\u4fdd\u5f9e\u751f\u547d\u7dda\u5e95\u90e8\u767c\u9001\u7684\u8a0a\u606f\u4e0d\u6703\u5148\u65bc\u5f9e\u9802\u90e8\u767c\u9001\u7684\u8a0a\u606f\uff0c\u9664\u975e\u662f\u7279\u5b9a\u7684\u975e\u540c\u6b65\u6a21\u5f0f\u3002<\/li>\n<li><strong><strong>\u907a\u6f0f\u56de\u50b3\u8a0a\u606f\uff1a<\/strong><\/strong> \u96d6\u7136\u4e26\u975e\u6bcf\u500b\u6b65\u9a5f\u90fd\u5fc5\u9808\u5305\u542b\uff0c\u4f46\u7701\u7565\u95dc\u9375\u8cc7\u6599\u6aa2\u7d22\u7684\u56de\u50b3\u8a0a\u606f\u6703\u4f7f\u8cc7\u6599\u6d41\u8b8a\u5f97\u6a21\u7cca\u3002<\/li>\n<li><strong><strong>\u7b26\u865f\u4e0d\u4e00\u81f4\uff1a<\/strong><\/strong> \u96a8\u610f\u6df7\u5408\u5be6\u7dda\u8207\u865b\u7dda\u7bad\u982d\u6703\u8b93\u8b80\u8005\u6df7\u6dc6\u547c\u53eb\u662f\u540c\u6b65\u9084\u662f\u975e\u540c\u6b65\u3002<\/li>\n<\/ul>\n<h2>\u6709\u6548\u95b1\u8b80\u5e8f\u5217\u5716 \ud83d\udc40<\/h2>\n<p>\u7576\u5be9\u67e5\u540c\u4e8b\u6240\u5275\u5efa\u7684\u5716\u8868\u6642\uff0c\u8acb\u9075\u5faa\u7cfb\u7d71\u6027\u7684\u65b9\u6cd5\u3002<\/p>\n<ol>\n<li><strong>\u8b58\u5225\u53c3\u8207\u8005\uff1a<\/strong> \u8acb\u67e5\u770b\u9802\u90e8\u4ee5\u4e86\u89e3\u6d89\u53ca\u54ea\u4e9b\u53c3\u8207\u8005\u3002\u662f\u4f7f\u7528\u8005\u3001\u5916\u90e8 API\uff0c\u9084\u662f\u5167\u90e8\u7d44\u4ef6\uff1f<\/li>\n<li><strong>\u8ffd\u8e64\u4e3b\u8981\u6d41\u7a0b\uff1a<\/strong> \u5f9e\u5de6\u5230\u53f3\u8ffd\u8e64\u5be6\u7dda\u7bad\u982d\u3002\u9019\u5c31\u662f\u9806\u5229\u7684\u6d41\u7a0b\u3002<\/li>\n<li><strong>\u6aa2\u67e5\u6846\u67b6\uff1a<\/strong> \u8acb\u5c0b\u627e <code>alt<\/code>, <code>loop<\/code>\uff0c\u6216 <code>opt<\/code> \u6846\u67b6\u3002\u9019\u4e9b\u5b9a\u7fa9\u4e86\u908f\u8f2f\u7684\u7bc4\u570d\u3002<\/li>\n<li><strong>\u5206\u6790\u56de\u50b3\uff1a<\/strong> \u8ffd\u8e64\u865b\u7dda\u7bad\u982d\u56de\u5230\u767c\u9001\u8005\u3002\u78ba\u4fdd\u56de\u50b3\u7684\u8cc7\u6599\u7b26\u5408\u547c\u53eb\u8005\u7684\u9810\u671f\u3002<\/li>\n<li><strong>\u9a57\u8b49\u6700\u7d42\u72c0\u614b\uff1a<\/strong> \u78ba\u4fdd\u6240\u6709\u751f\u547d\u7dda\u90fd\u8fd4\u56de\u5230\u7a7a\u9592\u72c0\u614b\u3002\u5982\u679c\u67d0\u689d\u751f\u547d\u7dda\u5ef6\u4f38\u5230\u5e95\u90e8\u800c\u6c92\u6709\u8fd4\u56de\uff0c\u8acb\u6aa2\u67e5\u8a72\u6d41\u7a0b\u662f\u5426\u771f\u6b63\u5b8c\u6210\uff0c\u6216\u662f\u5426\u6b63\u5728\u7121\u9650\u671f\u7b49\u5f85\u3002<\/li>\n<\/ol>\n<h2>\u8207\u5176\u4ed6 UML \u85dd\u8853\u54c1\u7684\u6574\u5408 \ud83d\udcca<\/h2>\n<p>\u5e8f\u5217\u5716\u4e26\u975e\u5b64\u7acb\u5b58\u5728\u3002\u5b83\u5011\u8207 UML \u5957\u4ef6\u4e2d\u7684\u5176\u4ed6\u5716\u8868\u76f8\u8f14\u76f8\u6210\u3002<\/p>\n<ul>\n<li><strong>\u7528\u4f8b\u5716\uff1a<\/strong> \u5e8f\u5217\u5716\u901a\u5e38\u6703\u8a73\u7d30\u63cf\u8ff0\u9ad8\u968e\u7528\u4f8b\u5716\u4e2d\u6240\u793a\u7684\u7279\u5b9a\u7528\u4f8b\u7684\u6b65\u9a5f\u3002<\/li>\n<li><strong>\u985e\u5716\uff1a<\/strong> \u5e8f\u5217\u5716\u4e2d\u7684\u53c3\u8207\u8005\u61c9\u8207\u985e\u5716\u4e2d\u5b9a\u7fa9\u7684\u985e\u5c0d\u61c9\u3002\u5982\u679c\u67d0\u53c3\u8207\u8005\u51fa\u73fe\u5728\u5e8f\u5217\u5716\u4e2d\u4f46\u672a\u51fa\u73fe\u5728\u985e\u5716\u4e2d\uff0c\u5247\u8868\u793a\u7f3a\u5c11\u6a21\u578b\u5143\u7d20\u3002<\/li>\n<li><strong>\u72c0\u614b\u6a5f\u5716\uff1a<\/strong> \u96d6\u7136\u5e8f\u5217\u5716\u986f\u793a\u4e92\u52d5\uff0c\u72c0\u614b\u5716\u5247\u986f\u793a\u55ae\u4e00\u7269\u4ef6\u7684\u5167\u90e8\u884c\u70ba\u3002\u5169\u8005\u7d50\u5408\uff0c\u53ef\u63d0\u4f9b\u7269\u4ef6\u751f\u547d\u9031\u671f\u7684\u5b8c\u6574\u5716\u50cf\u3002<\/li>\n<\/ul>\n<h2>\u5be6\u52d9\u7bc4\u4f8b\uff1a\u4f7f\u7528\u8005\u767b\u5165\u6d41\u7a0b \ud83d\udeaa<\/h2>\n<p>\u8003\u616e\u4e00\u500b\u6a19\u6e96\u7684\u9a57\u8b49\u60c5\u5883\u3002\u6d41\u7a0b\u5305\u542b\u4f7f\u7528\u8005\u3001\u524d\u7aef\u63a7\u5236\u5668\u3001\u9a57\u8b49\u670d\u52d9\u548c\u8cc7\u6599\u5eab\u3002<\/p>\n<ol>\n<li><strong>\u4f7f\u7528\u8005<\/strong> \u5c07\u6191\u8b49\u63d0\u4ea4\u7d66 <strong>\u524d\u7aef<\/strong>.<\/li>\n<li><strong>\u524d\u7aef<\/strong> \u767c\u9001\u4e00\u500b <code>validateLogin()<\/code> \u8acb\u6c42\u7d66 <strong>\u9a57\u8b49\u670d\u52d9<\/strong>.<\/li>\n<li><strong>\u9a57\u8b49\u670d\u52d9<\/strong> \u5411 <strong>\u8cc7\u6599\u5eab<\/strong> 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