{"id":376,"date":"2026-03-27T02:39:54","date_gmt":"2026-03-27T02:39:54","guid":{"rendered":"https:\/\/www.go-minder.com\/tw\/how-to-read-sequence-diagrams-messages-lifelines\/"},"modified":"2026-03-27T02:39:54","modified_gmt":"2026-03-27T02:39:54","slug":"how-to-read-sequence-diagrams-messages-lifelines","status":"publish","type":"post","link":"https:\/\/www.go-minder.com\/tw\/how-to-read-sequence-diagrams-messages-lifelines\/","title":{"rendered":"UML \u6307\u5357 &#8211; \u5982\u4f55\u95b1\u8b80\u5e8f\u5217\u5716\uff1a\u8a0a\u606f\u3001\u751f\u547d\u7dda\u8207\u63a7\u5236\u6d41\u7a0b"},"content":{"rendered":"<p>\u7406\u89e3\u7cfb\u7d71\u4e92\u52d5\u9700\u8981\u6e05\u6670\u7684\u8996\u89ba\u8a9e\u8a00\u3002\u5728\u7d71\u4e00\u5efa\u6a21\u8a9e\u8a00\uff08UML\uff09\u7684\u4e16\u754c\u4e2d\uff0c\u5e8f\u5217\u5716\u662f\u7528\u4f86\u6e05\u6670\u5448\u73fe\u7269\u4ef6\u6216\u7d44\u4ef6\u5982\u4f55\u96a8\u6642\u9593\u901a\u8a0a\u7684\u95dc\u9375\u5de5\u5177\u3002\u672c\u6307\u5357\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u95b1\u8b80\u5e8f\u5217\u5716\uff0c\u91cd\u9ede\u5728\u8a0a\u606f\u3001\u751f\u547d\u7dda\u8207\u63a7\u5236\u6d41\u7a0b\u3002\u638c\u63e1\u9019\u4e9b\u5143\u7d20\u5f8c\uff0c\u6280\u8853\u5718\u968a\u80fd\u6709\u6548\u8a2d\u8a08\u7a69\u5065\u7684\u7cfb\u7d71\u4e26\u8a18\u9304\u8907\u96dc\u7684\u908f\u8f2f\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Child's drawing style infographic explaining how to read UML sequence diagrams, featuring colorful hand-drawn lifelines, message arrows, activation bars, and combined fragments like alt and loop, with playful crayon textures and simple step-by-step visual guide for understanding messages, control flow, and system interactions\" decoding=\"async\" src=\"https:\/\/www.go-minder.com\/wp-content\/uploads\/2026\/03\/sequence-diagram-guide-infographic-childrens-style.jpg\"\/><\/figure>\n<\/div>\n<h2>\ud83d\udd0d \u4ec0\u9ebc\u662f\u5e8f\u5217\u5716\uff1f<\/h2>\n<p>\u5e8f\u5217\u5716\u662f\u4e00\u7a2e\u4e92\u52d5\u5716\uff0c\u7528\u4f86\u986f\u793a\u6d41\u7a0b\u5982\u4f55\u5f7c\u6b64\u904b\u4f5c\u4ee5\u53ca\u904b\u4f5c\u7684\u9806\u5e8f\u3002\u4e3b\u8981\u76ee\u7684\u662f\u8996\u89ba\u5316\u7cfb\u7d71\u5404\u90e8\u5206\u4e4b\u9593\u7684\u8cc7\u6599\u8207\u63a7\u5236\u6d41\u7a0b\u3002\u8207\u5c08\u6ce8\u65bc\u7d50\u69cb\u7684\u985e\u5716\u4e0d\u540c\uff0c\u5e8f\u5217\u5716\u5c08\u6ce8\u65bc\u884c\u70ba\u8207\u6642\u9593\u9806\u5e8f\u3002<\/p>\n<p>\u5206\u6790\u5e8f\u5217\u5716\u6642\uff0c\u4f60\u5176\u5be6\u662f\u5728\u95b1\u8b80\u4e00\u6bb5\u8edf\u9ad4\u57f7\u884c\u7684\u8173\u672c\u3002\u5b83\u6e05\u695a\u5730\u5448\u73fe\uff1a<\/p>\n<ul>\n<li>\u53c3\u8207\u4e92\u52d5\u7684\u53c3\u8207\u8005\u3002<\/li>\n<li>\u5f7c\u6b64\u4e4b\u9593\u50b3\u905e\u7684\u8a0a\u606f\u3002<\/li>\n<li>\u9019\u4e9b\u8a0a\u606f\u767c\u751f\u7684\u9806\u5e8f\u3002<\/li>\n<li>\u4e92\u52d5\u671f\u9593\u53c3\u8207\u8005\u7684\u72c0\u614b\u3002<\/li>\n<\/ul>\n<p>\u9019\u7a2e\u8996\u89ba\u5316\u5e6b\u52a9\u958b\u767c\u4eba\u54e1\u5728\u64b0\u5beb\u7a0b\u5f0f\u78bc\u4e4b\u524d\uff0c\u8b58\u5225\u74f6\u9838\u3001\u908f\u8f2f\u932f\u8aa4\u4ee5\u53ca\u4e0d\u6e05\u6670\u7684\u4f9d\u8cf4\u95dc\u4fc2\u3002\u5b83\u4f5c\u70ba\u7cfb\u7d71\u4e0d\u540c\u90e8\u5206\u4e4b\u9593\u7684\u5951\u7d04\u3002<\/p>\n<h2>\ud83c\udfd7\ufe0f \u6838\u5fc3\u5143\u4ef6\uff1a\u751f\u547d\u7dda\u8207\u53c3\u8207\u8005<\/h2>\n<p>\u4efb\u4f55\u5e8f\u5217\u5716\u7684\u57fa\u790e\u5728\u65bc\u5176\u5782\u76f4\u7dda\u689d\u3002\u9019\u4e9b\u7dda\u689d\u4ee3\u8868\u53c3\u8207\u4e92\u52d5\u7684\u5be6\u9ad4\u3002\u7406\u89e3\u751f\u547d\u7dda\u662f\u6e96\u78ba\u89e3\u8b80\u7684\u7b2c\u4e00\u6b65\u3002<\/p>\n<h3>1. \u751f\u547d\u7dda<\/h3>\n<p>\u751f\u547d\u7dda\u4ee3\u8868\u4e92\u52d5\u4e2d\u7684\u53c3\u8207\u8005\u3002\u5b83\u662f\u4e00\u689d\u5f9e\u5716\u8868\u9802\u7aef\u5ef6\u4f38\u81f3\u5e95\u7aef\u7684\u5782\u76f4\u865b\u7dda\u3002\u9019\u689d\u7dda\u8868\u793a\u7269\u4ef6\u6216\u53c3\u8207\u8005\u5728\u6574\u500b\u5e8f\u5217\u671f\u9593\u7684\u5b58\u5728\u3002\u53ef\u5c07\u5176\u8996\u70ba\u8a72\u7279\u5b9a\u5be6\u9ad4\u7684\u6642\u9593\u8ef8\u3002<\/p>\n<ul>\n<li><strong>\u9802\u7aef\u908a\u7de3\uff1a<\/strong> \u4ee3\u8868\u53c3\u8207\u8005\u7684\u5efa\u7acb\u6216\u5230\u9054\u3002<\/li>\n<li><strong> \u5e95\u7aef\u908a\u7de3\uff1a<\/strong> \u4ee3\u8868\u53c3\u8207\u8005\u7684\u92b7\u6bc0\u6216\u7d50\u675f\u3002<\/li>\n<li><strong> \u6a19\u7c64\uff1a<\/strong> \u901a\u5e38\u653e\u7f6e\u5728\u7dda\u689d\u9802\u7aef\uff0c\u7528\u4ee5\u8b58\u5225\u7269\u4ef6\uff0c\u4f8b\u5982 <code>UserInterface<\/code>, <code>Database<\/code>\uff0c\u6216 <code>PaymentGateway<\/code>.<\/li>\n<\/ul>\n<h3>2. \u53c3\u8207\u8005\u8207\u7269\u4ef6<\/h3>\n<p>\u53c3\u8207\u8005\u53ef\u4ee5\u662f\u4eba\u985e\u53c3\u8207\u8005\u6216\u8edf\u9ad4\u7d44\u4ef6\u3002\u53c3\u8207\u8005\u901a\u5e38\u4ee5\u4eba\u5f62\u5716\u793a\u8868\u793a\uff0c\u800c\u7269\u4ef6\u5247\u4ee5\u5e36\u6709\u5e95\u7dda\u7269\u4ef6\u540d\u7a31\u7684\u77e9\u5f62\u8868\u793a\u3002<\/p>\n<p>\u5e38\u898b\u7684\u53c3\u8207\u8005\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u4ecb\u9762\u7269\u4ef6\uff1a<\/strong> \u8207\u4f7f\u7528\u8005\u4e92\u52d5\u7684\u4ecb\u9762\u6216\u756b\u9762\u3002<\/li>\n<li><strong> \u63a7\u5236\u7269\u4ef6\uff1a<\/strong> \u5354\u8abf\u52d5\u4f5c\u7684\u908f\u8f2f\u8655\u7406\u8005\u3002<\/li>\n<li><strong> \u5b9e\u4f53\u7269\u4ef6\uff1a<\/strong> \u8cc7\u6599\u5132\u5b58\u6216\u5546\u696d\u908f\u8f2f\u5132\u5b58\u5eab\u3002<\/li>\n<li><strong> \u5916\u90e8\u7cfb\u7d71\uff1a<\/strong> \u7b2c\u4e09\u65b9 API \u6216\u670d\u52d9\u3002<\/li>\n<\/ul>\n<h2>\u2709\ufe0f \u7406\u89e3\u8a0a\u606f\u8207\u901a\u8a0a<\/h2>\n<p>\u8a0a\u606f\u662f\u9023\u63a5\u751f\u547d\u7dda\u7684\u6c34\u5e73\u7bad\u982d\u3002\u5b83\u5011\u8868\u793a\u8a0a\u865f\u6b63\u5f9e\u4e00\u500b\u53c3\u8207\u8005\u50b3\u9001\u5230\u53e6\u4e00\u500b\u53c3\u8207\u8005\u3002\u95b1\u8b80\u9019\u4e9b\u7bad\u982d\u7684\u65b9\u5411\u8207\u6a23\u5f0f\u5c0d\u65bc\u7406\u89e3\u63a7\u5236\u6d41\u7a0b\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h3>1. \u65b9\u5411\u8207\u985e\u578b<\/h3>\n<p>\u7bad\u982d\u5f9e\u767c\u9001\u8005\u6307\u5411\u63a5\u6536\u8005\u3002\u7bad\u982d\u7684\u6a23\u5f0f\u8868\u793a\u8a0a\u606f\u7684\u6027\u8cea\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u7bad\u982d\u6a23\u5f0f<\/th>\n<th>\u985e\u578b<\/th>\n<th>\u884c\u70ba<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u5be6\u7dda\u642d\u914d\u5be6\u5fc3\u7bad\u982d<\/td>\n<td>\u540c\u6b65\u547c\u53eb<\/td>\n<td>\u767c\u9001\u8005\u6703\u7b49\u5f85\u63a5\u6536\u8005\u5b8c\u6210\u8655\u7406\u5f8c\u624d\u7e7c\u7e8c\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u5be6\u7dda\u642d\u914d\u7a7a\u5fc3\u7bad\u982d<\/td>\n<td>\u975e\u540c\u6b65\u8a0a\u606f<\/td>\n<td>\u767c\u9001\u8005\u50b3\u9001\u8a0a\u606f\u5f8c\u7acb\u5373\u7e7c\u7e8c\uff0c\u4e0d\u7b49\u5f85\u56de\u61c9\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u865b\u7dda\u642d\u914d\u7a7a\u5fc3\u7bad\u982d<\/td>\n<td>\u56de\u61c9\u8a0a\u606f<\/td>\n<td>\u63a5\u6536\u8005\u5c07\u56de\u61c9\u50b3\u9001\u56de\u767c\u9001\u8005\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u8d77\u9ede\u5e36\u5713\u5708\u7684\u7dda<\/td>\n<td>\u5efa\u7acb\u8a0a\u606f<\/td>\n<td>\u8868\u793a\u65b0\u7269\u4ef6\u7684\u5be6\u4f8b\u5316\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u672b\u7aef\u5e36\u2018X\u2019\u7684\u7dda<\/td>\n<td>\u92b7\u6bc0\u8a0a\u606f<\/td>\n<td>\u8868\u793a\u7269\u4ef6\u7684\u7d42\u6b62\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>2. \u8a0a\u606f\u7d30\u7bc0<\/h3>\n<p>\u6bcf\u689d\u8a0a\u606f\u61c9\u7406\u60f3\u5730\u5305\u542b\u4e00\u500b\u6a19\u7c64\uff0c\u7528\u4ee5\u63cf\u8ff0\u8a72\u52d5\u4f5c\u3002\u9019\u53ef\u80fd\u662f\u65b9\u6cd5\u547c\u53eb\u3001\u67e5\u8a62\u6216\u4e8b\u4ef6\u3002\u4f8b\u5982\uff0c<code>login(\u4f7f\u7528\u8005\u540d\u7a31, \u5bc6\u78bc)<\/code> \u6216 <code>fetchData()<\/code>.<\/p>\n<p>\u95b1\u8b80\u5716\u8868\u6642\uff0c\u5f9e\u4e0a\u5230\u4e0b\u8ffd\u8e64\u8a0a\u606f\u3002\u9019\u4ee3\u8868\u57f7\u884c\u7684\u6642\u9593\u9806\u5e8f\u3002\u5982\u679c\u591a\u689d\u8a0a\u606f\u4f86\u81ea\u540c\u4e00\u689d\u751f\u547d\u7dda\uff0c\u5b83\u5011\u6703\u6309\u9806\u5e8f\u8655\u7406\u3002<\/p>\n<h2>\u23f1\ufe0f \u6d3b\u52d5\u689d\u8207\u63a7\u5236\u6d41\u7a0b<\/h2>\n<p>\u6d3b\u52d5\u689d\uff0c\u4e5f\u7a31\u70ba\u57f7\u884c\u767c\u751f\uff0c\u662f\u653e\u7f6e\u5728\u751f\u547d\u7dda\u4e0a\u7684\u7d30\u9577\u77e9\u5f62\u3002\u5b83\u5011\u8868\u793a\u7269\u4ef6\u57f7\u884c\u52d5\u4f5c\u6216\u7a4d\u6975\u57f7\u884c\u7684\u671f\u9593\u3002<\/p>\n<h3>1. \u89e3\u8b80\u6d3b\u52d5<\/h3>\n<ul>\n<li><strong>\u8d77\u9ede\uff1a<\/strong> \u77e9\u5f62\u7684\u9802\u7aef\u6a19\u793a\u7269\u4ef6\u63a5\u6536\u8a0a\u606f\u6216\u958b\u59cb\u52d5\u4f5c\u7684\u6642\u9593\u3002<\/li>\n<li><strong>\u7d42\u9ede\uff1a<\/strong> \u5e95\u7aef\u6a19\u793a\u52d5\u4f5c\u5b8c\u6210\u6216\u56de\u50b3\u8a0a\u606f\u767c\u9001\u7684\u6642\u9593\u3002<\/li>\n<li><strong>\u6301\u7e8c\u6642\u9593\uff1a<\/strong> \u689d\u72c0\u7684\u9577\u5ea6\u4ee3\u8868\u57f7\u884c\u6240\u82b1\u8cbb\u7684\u6642\u9593\uff0c\u76f8\u5c0d\u65bc\u5176\u4ed6\u689d\u72c0\u800c\u8a00\u3002<\/li>\n<\/ul>\n<p>\u6d3b\u52d5\u689d\u6709\u52a9\u65bc\u8996\u89ba\u5316\u4e26\u767c\u6027\u3002\u5982\u679c\u5169\u500b\u6d3b\u52d5\u689d\u5728\u4e0d\u540c\u7684\u751f\u547d\u7dda\u4e0a\u91cd\u758a\uff0c\u8868\u793a\u9019\u4e9b\u64cd\u4f5c\u6b63\u5728\u540c\u6642\u9032\u884c\u3002\u9019\u5c0d\u65bc\u7406\u89e3\u6548\u80fd\u548c\u9396\u5b9a\u6a5f\u5236\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<h3>2. \u63a7\u5236\u6d41\u7a0b\u908f\u8f2f<\/h3>\n<p>\u63a7\u5236\u6d41\u7a0b\u63cf\u8ff0\u5716\u8868\u4e2d\u7684\u6c7a\u7b56\u8def\u5f91\u3002\u5b83\u4e0d\u50c5\u50c5\u662f\u8ab0\u547c\u53eb\u8ab0\uff0c\u66f4\u5305\u62ec\u63a7\u5236\u9806\u5e8f\u7684\u908f\u8f2f\u3002<\/p>\n<ul>\n<li><strong>\u689d\u4ef6\u5f0f\uff1a<\/strong> \u67d0\u4e9b\u8def\u5f91\u50c5\u5728\u7279\u5b9a\u689d\u4ef6\u6eff\u8db3\u6642\u624d\u5b58\u5728\u3002<\/li>\n<li><strong>\u8ff4\u5708\uff1a<\/strong> \u67d0\u4e9b\u52d5\u4f5c\u6703\u91cd\u8907\u57f7\u884c\uff0c\u76f4\u5230\u689d\u4ef6\u6539\u8b8a\u70ba\u6b62\u3002<\/li>\n<li><strong>\u4f8b\u5916\uff1a<\/strong> \u504f\u96e2\u6a19\u6e96\u6d41\u7a0b\u7684\u932f\u8aa4\u8655\u7406\u8def\u5f91\u3002<\/li>\n<\/ul>\n<p>\u95b1\u8b80\u63a7\u5236\u6d41\u7a0b\u9700\u8981\u8d85\u8d8a\u4e3b\u7dda\u3002\u60a8\u5fc5\u9808\u6aa2\u67e5\u7d44\u5408\u7247\u6bb5\uff08\u5982\u4e0b\u6240\u8ff0\uff09\u4ee5\u67e5\u770b\u66ff\u4ee3\u8def\u5f91\u3002<\/p>\n<h2>\ud83e\udde9 \u4f7f\u7528\u7d44\u5408\u7247\u6bb5\u8655\u7406\u908f\u8f2f<\/h2>\n<p>\u73fe\u5be6\u4e16\u754c\u7684\u7cfb\u7d71\u5f88\u5c11\u9075\u5faa\u55ae\u4e00\u7b46\u76f4\u7684\u8def\u5f91\u3002\u5e8f\u5217\u5716\u4f7f\u7528\u6846\u67b6\u4f86\u5c01\u88dd\u8907\u96dc\u7684\u908f\u8f2f\u3002\u9019\u4e9b\u7a31\u70ba\u7d44\u5408\u7247\u6bb5\u3002\u5b83\u5011\u5141\u8a31\u60a8\u5728\u5716\u4e2d\u986f\u793a\u66ff\u4ee3\u3001\u9078\u64c7\u6027\u6216\u91cd\u8907\u7684\u884c\u70ba\u3002<\/p>\n<h3>1. \u5e38\u898b\u7684\u7247\u6bb5\u985e\u578b<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u904b\u7b97\u5b50<\/th>\n<th>\u542b\u7fa9<\/th>\n<th>\u4f7f\u7528\u6848\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>alt<\/strong>\uff08\u66ff\u4ee3\uff09<\/td>\n<td>\u6839\u64da\u689d\u4ef6\u9078\u64c7\u4e00\u500b\u5340\u584a\u3002<\/td>\n<td>\u5982\u679c\u4f7f\u7528\u8005\u5df2\u767b\u5165\uff0c\u986f\u793a\u5100\u8868\u677f\uff1b\u5426\u5247\u986f\u793a\u767b\u5165\u756b\u9762\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>opt<\/strong>\uff08\u9078\u64c7\u6027\uff09<\/td>\n<td>\u986f\u793a\u53ef\u80fd\u767c\u751f\u4e5f\u53ef\u80fd\u4e0d\u767c\u751f\u7684\u884c\u70ba\u3002<\/td>\n<td>\u767c\u9001\u96fb\u5b50\u90f5\u4ef6\u901a\u77e5\uff08\u50c5\u5728\u5df2\u8a2d\u5b9a\u6642\uff09\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>loop<\/strong><\/td>\n<td>\u91cd\u8907\u57f7\u884c\u5c01\u9589\u7684\u4e92\u52d5\u3002<\/td>\n<td>\u9010\u4e00\u8655\u7406\u9805\u76ee\u6e05\u55ae\u4e2d\u7684\u9805\u76ee\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>break<\/strong><\/td>\n<td>\u63d0\u65e9\u7d42\u6b62\u76ee\u524d\u7684\u6d41\u7a0b\u3002<\/td>\n<td>\u5982\u679c\u4ed8\u6b3e\u5931\u6557\uff0c\u4e2d\u6b62\u4ea4\u6613\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>par<\/strong>\uff08\u5e73\u884c\uff09<\/td>\n<td>\u591a\u500b\u4e92\u52d5\u540c\u6642\u767c\u751f\u3002<\/td>\n<td>\u540c\u6642\u66f4\u65b0\u5feb\u53d6\u4e26\u8a18\u9304\u6d3b\u52d5\u3002<\/td>\n<\/tr>\n<tr>\n<td><strong>region<\/strong><\/td>\n<td>\u8b58\u5225\u5716\u8868\u4e2d\u7684\u7279\u5b9a\u5340\u57df\u3002<\/td>\n<td>\u5728\u547d\u540d\u7684\u4e0a\u4e0b\u6587\u4e2d\u5206\u7d44\u76f8\u95dc\u52d5\u4f5c\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>2. \u8b80\u53d6\u7247\u6bb5\u6846<\/h3>\n<p>\u7247\u6bb5\u4ee5\u865b\u7dda\u77e9\u5f62\u5305\u570d\uff0c\u5de6\u4e0a\u89d2\u6709\u6a19\u7c64\u3002\u6a19\u7c64\u5b9a\u7fa9\u4e86\u904b\u7b97\u5b50\uff08\u4f8b\u5982\uff0c<code>[alt]<\/code>\uff09\u3002\u689d\u4ef6\u901a\u5e38\u653e\u5728\u5927\u62ec\u865f\u5167<code>{}<\/code>\u65bc\u6846\u5167\u3002<\/p>\n<p>\u95b1\u8b80<code>alt<\/code> \u689d\u4ef6\u5340\u584a\uff0c\u8acb\u4ed4\u7d30\u6aa2\u67e5\u689d\u4ef6\u3002\u53ea\u6709\u4e00\u500b\u5340\u584a\u6703\u57f7\u884c\u3002\u5982\u679c\u6c92\u6709\u6307\u5b9a\u689d\u4ef6\uff0c\u5247\u5047\u8a2d\u70ba\u9810\u8a2d\u8def\u5f91\u3002\u5728 <code>\u8ff4\u5708<\/code> \u5340\u584a\u4e2d\uff0c\u5927\u62ec\u865f\u5167\u7684\u689d\u4ef6\u6c7a\u5b9a\u91cd\u8907\u4f55\u6642\u505c\u6b62\u3002<\/p>\n<h2>\ud83d\udcd6 \u8b80\u53d6\u5e8f\u5217\u5716\uff1a\u9010\u6b65\u65b9\u6cd5<\/h2>\n<p>\u70ba\u4e86\u6709\u6548\u5206\u6790\u5e8f\u5217\u5716\uff0c\u8acb\u9075\u5faa\u7d50\u69cb\u5316\u7684\u65b9\u6cd5\u3002\u9019\u53ef\u78ba\u4fdd\u60a8\u4e0d\u6703\u932f\u904e\u95dc\u9375\u7684\u4e92\u52d5\u6216\u908f\u8f2f\u5206\u652f\u3002<\/p>\n<h3>\u6b65\u9a5f 1\uff1a\u8b58\u5225\u53c3\u8207\u8005<\/h3>\n<p>\u5f9e\u9802\u7aef\u958b\u59cb\u3002\u5217\u51fa\u6240\u6709\u751f\u547d\u7dda\u3002\u5224\u65b7\u54ea\u4e9b\u662f\u5916\u90e8\u53c3\u8207\u8005\uff0c\u54ea\u4e9b\u662f\u5167\u90e8\u7cfb\u7d71\u7d44\u4ef6\u3002\u9019\u8a2d\u5b9a\u4e86\u4e92\u52d5\u7684\u7bc4\u570d\u3002<\/p>\n<h3>\u6b65\u9a5f 2\uff1a\u8ffd\u8e64\u4e3b\u8981\u6210\u529f\u8def\u5f91<\/h3>\n<p>\u8ddf\u96a8\u5f9e\u7b2c\u4e00\u500b\u53c3\u8207\u8005\u5230\u6700\u7d42\u56de\u61c9\u7684\u5be6\u7dda\u7bad\u982d\u3002\u66ab\u6642\u5ffd\u7565\u53ef\u9078\u5340\u584a\u3002\u5c08\u6ce8\u65bc\u4e00\u5207\u9806\u5229\u904b\u4f5c\u7684\u9806\u66a2\u8def\u5f91\u3002\u9019\u80fd\u8b93\u60a8\u638c\u63e1\u6838\u5fc3\u529f\u80fd\u3002<\/p>\n<h3>\u6b65\u9a5f 3\uff1a\u5206\u6790\u6fc0\u6d3b\u689d<\/h3>\n<p>\u89c0\u5bdf\u751f\u547d\u7dda\u4e0a\u7684\u77e9\u5f62\u3002\u8b58\u5225\u54ea\u4e9b\u7269\u4ef6\u6b63\u5728\u5fd9\u788c\u53ca\u5176\u6301\u7e8c\u6642\u9593\u3002\u8f03\u9577\u7684\u6fc0\u6d3b\u689d\u53ef\u80fd\u8868\u793a\u7e41\u91cd\u7684\u8655\u7406\u6216\u8cc7\u6599\u5eab\u7b49\u5f85\u3002<\/p>\n<h3>\u6b65\u9a5f 4\uff1a\u6aa2\u8996\u5408\u4f75\u7247\u6bb5<\/h3>\n<p>\u73fe\u5728\uff0c\u89c0\u5bdf\u865b\u7dda\u6846\u3002\u95b1\u8b80 <code>alt<\/code>, <code>\u8ff4\u5708<\/code>\uff0c\u4ee5\u53ca <code>opt<\/code> \u5340\u6bb5\u3002\u7e6a\u88fd\u51fa\u66ff\u4ee3\u8def\u5f91\u3002\u554f\u554f\u81ea\u5df1\uff1a\u5982\u679c\u6b64\u689d\u4ef6\u5931\u6557\uff0c\u6703\u767c\u751f\u4ec0\u9ebc\uff1f<\/p>\n<h3>\u6b65\u9a5f 5\uff1a\u9a57\u8b49\u6642\u5e8f\u8207\u56de\u50b3\u8a0a\u606f<\/h3>\n<p>\u6aa2\u67e5\u865b\u7dda\u7684\u56de\u50b3\u7dda\u3002\u5b83\u5011\u662f\u5426\u5c0d\u61c9\u5230\u767c\u9001\u7684\u8a0a\u606f\uff1f\u78ba\u4fdd\u6bcf\u500b\u8acb\u6c42\u90fd\u6709\u56de\u61c9\uff0c\u6216\u96b1\u542b\u8d85\u6642\u6a5f\u5236\u3002<\/p>\n<h2>\ud83d\udea7 \u5e38\u898b\u9677\u9631\u8207\u6700\u4f73\u5be6\u52d9<\/h2>\n<p>\u5373\u4f7f\u7d93\u9a57\u8c50\u5bcc\u7684\u958b\u767c\u4eba\u54e1\uff0c\u82e5\u5e8f\u5217\u5716\u7e6a\u88fd\u4e0d\u6e05\uff0c\u4e5f\u53ef\u80fd\u8aa4\u89e3\u3002\u4e86\u89e3\u5e38\u898b\u554f\u984c\uff0c\u6709\u52a9\u65bc\u6b63\u78ba\u95b1\u8b80\u8207\u64b0\u5beb\u6e96\u78ba\u7684\u6587\u4ef6\u3002<\/p>\n<h3>1. \u907f\u514d\u6a21\u7cca<\/h3>\n<ul>\n<li><strong>\u660e\u78ba\u6a19\u7c64\uff1a<\/strong> \u6bcf\u5247\u8a0a\u606f\u90fd\u61c9\u6709\u63cf\u8ff0\u6027\u540d\u7a31\u3002\u907f\u514d\u4f7f\u7528\u5982 <code>send()<\/code>.<\/li>\n<li><strong>\u547d\u540d\u4e00\u81f4\uff1a<\/strong> \u6574\u500b\u5716\u4e2d\u61c9\u4f7f\u7528\u76f8\u540c\u7684\u7269\u4ef6\u540d\u7a31\u3002<\/li>\n<li><strong>\u908f\u8f2f\u5206\u7d44\uff1a<\/strong> \u4f7f\u7528\u6846\u67b6\u4f86\u908f\u8f2f\u5730\u5206\u7d44\u76f8\u95dc\u7684\u4e92\u52d5\u3002<\/li>\n<\/ul>\n<h3>2. \u7ba1\u7406\u8907\u96dc\u6027<\/h3>\n<p>\u5e8f\u5217\u5716\u53ef\u80fd\u8fc5\u901f\u8b8a\u5f97\u6df7\u4e82\u3002\u70ba\u4e86\u4fdd\u6301\u53ef\u8b80\u6027\uff1a<\/p>\n<ul>\n<li><strong>\u9650\u5236\u7bc4\u570d\uff1a<\/strong> \u4e0d\u8981\u8a66\u5716\u5728\u4e00\u500b\u5716\u4e2d\u5c55\u793a\u6574\u500b\u7cfb\u7d71\u3002\u6309\u529f\u80fd\u6216\u4f7f\u7528\u6848\u4f8b\u9032\u884c\u62c6\u5206\u3002<\/li>\n<li><strong>\u4f7f\u7528\u5f15\u7528\uff1a<\/strong> \u5982\u679c\u5e8f\u5217\u8f03\u70ba\u8907\u96dc\uff0c\u61c9\u5f15\u7528\u53e6\u4e00\u500b\u7368\u7acb\u7684\u5716\uff0c\u800c\u975e\u5167\u806f\u7e6a\u88fd\u3002<\/li>\n<li><strong>\u6975\u7c21\u4e3b\u7fa9\uff1a<\/strong> \u50c5\u5305\u542b\u8207\u6240\u8a18\u9304\u7684\u7279\u5b9a\u4f7f\u7528\u6848\u4f8b\u76f8\u95dc\u7684\u4e92\u52d5\u3002<\/li>\n<\/ul>\n<h3>3. \u6642\u9593\u8aa4\u89e3<\/h3>\n<p>\u96d6\u7136\u5e8f\u5217\u5716\u6697\u793a\u6642\u9593\u5f9e\u4e0a\u5230\u4e0b\u6d41\u52d5\uff0c\u4f46\u5b83\u5011\u4e26\u672a\u56b4\u683c\u5f37\u5236\u57f7\u884c\u6642\u9593\u7d04\u675f\u3002\u5b83\u5011\u4e0d\u6703\u986f\u793a\u6beb\u79d2\u6216\u7cbe\u78ba\u5ef6\u9072\u3002\u4e0d\u8981\u6839\u64da\u8a0a\u606f\u4e4b\u9593\u7684\u5782\u76f4\u8ddd\u96e2\u63a8\u65b7\u7cbe\u78ba\u7684\u5ef6\u9072\u3002<\/p>\n<h3>4. \u53cd\u994b\u8ff4\u8def<\/h3>\n<p>\u78ba\u4fdd\u53cd\u994b\u8ff4\u8def\u6e05\u6670\u660e\u78ba\u3002\u5982\u679c\u4f7f\u7528\u8005\u64cd\u4f5c\u89f8\u767c\u7cfb\u7d71\u66f4\u65b0\uff0c\u61c9\u986f\u793a\u78ba\u8a8d\u8a0a\u606f\u8fd4\u56de\u7d66\u4f7f\u7528\u8005\u3002\u7f3a\u5c11\u56de\u50b3\u8a0a\u606f\u6703\u8b93\u6d41\u7a0b\u611f\u89ba\u4e0d\u5b8c\u6574\u3002<\/p>\n<h2>\ud83d\udd17 \u8207\u5176\u4ed6\u5716\u8868\u7684\u6574\u5408<\/h2>\n<p>\u5e8f\u5217\u5716\u4e26\u975e\u5b64\u7acb\u5b58\u5728\u3002\u7576\u8207\u5176\u4ed6 UML \u5716\u8868\u6574\u5408\u6642\uff0c\u80fd\u6700\u6709\u6548\u5730\u5448\u73fe\u7cfb\u7d71\u7684\u5b8c\u6574\u5716\u50cf\u3002<\/p>\n<ul>\n<li><strong>\u985e\u5716\uff1a<\/strong> \u4f7f\u7528\u9019\u4e9b\u5716\u4f86\u7406\u89e3\u5e8f\u5217\u5716\u4e2d\u7269\u4ef6\u7684\u5c6c\u6027\u548c\u53ef\u7528\u65b9\u6cd5\u3002\u78ba\u4fdd\u8a0a\u606f\u540d\u7a31\u8207\u65b9\u6cd5\u7c3d\u540d\u76f8\u7b26\u3002<\/li>\n<li><strong>\u72c0\u614b\u6a5f\u5716\uff1a<\/strong> \u4f7f\u7528\u9019\u4e9b\u5716\u4f86\u5b9a\u7fa9\u5e8f\u5217\u904e\u7a0b\u4e2d\u72c0\u614b\u6703\u8b8a\u5316\u7684\u7269\u4ef6\u5167\u90e8\u72c0\u614b\u3002<\/li>\n<li><strong>\u7d44\u4ef6\u5716\uff1a<\/strong> 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