{"id":1824,"date":"2026-04-04T04:10:25","date_gmt":"2026-04-04T04:10:25","guid":{"rendered":"https:\/\/www.ez-knowledge.com\/tw\/build-uml-sequence-diagram-step-by-step\/"},"modified":"2026-04-04T04:10:25","modified_gmt":"2026-04-04T04:10:25","slug":"build-uml-sequence-diagram-step-by-step","status":"publish","type":"post","link":"https:\/\/www.ez-knowledge.com\/tw\/build-uml-sequence-diagram-step-by-step\/","title":{"rendered":"\u6848\u4f8b\u7814\u7a76\uff1a\u9010\u6b65\u69cb\u5efa\u73fe\u5be6\u4e16\u754c\u7684UML\u9806\u5e8f\u5716"},"content":{"rendered":"<p>\u8a2d\u8a08\u8907\u96dc\u7684\u8edf\u9ad4\u7cfb\u7d71\u4e0d\u50c5\u9700\u8981\u64b0\u5beb\u7a0b\u5f0f\u78bc\uff0c\u66f4\u9700\u8981\u6e05\u695a\u7406\u89e3\u4e0d\u540c\u7d44\u4ef6\u5982\u4f55\u96a8\u6642\u9593\u9032\u884c\u901a\u8a0a\u3002\u7d71\u4e00\u5851\u6a21\u8a9e\u8a00\uff08UML\uff09\u9806\u5e8f\u5716\u5728\u6b64\u76ee\u7684\u4e0a\u626e\u6f14\u95dc\u9375\u89d2\u8272\u3002\u5b83\u80fd\u8996\u89ba\u5316\u7279\u5b9a\u6642\u9593\u7bc4\u570d\u5167\u7269\u4ef6\u6216\u53c3\u8207\u8005\u4e4b\u9593\u7684\u4e92\u52d5\uff0c\u70ba\u5be6\u4f5c\u524d\u7684\u884c\u70ba\u63d0\u4f9b\u85cd\u5716\u3002\u672c\u6307\u5357\u8a73\u7d30\u4ecb\u7d39\u5982\u4f55\u69cb\u5efa\u5be6\u7528\u7684\u9806\u5e8f\u5716\uff0c\u8457\u91cd\u65bc\u6e05\u6670\u6027\u3001\u6e96\u78ba\u6027\u8207\u53ef\u7dad\u8b77\u6027\u3002<\/p>\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter\"><img alt=\"Child's drawing style infographic illustrating a UML sequence diagram for a secure online checkout process, showing customer, frontend, order service, inventory, payment gateway, and notification service with lifelines, activation bars, synchronous messages, and conditional alt fragments for stock availability\" decoding=\"async\" src=\"https:\/\/www.ez-knowledge.com\/wp-content\/uploads\/2026\/04\/uml-sequence-diagram-checkout-process-childs-drawing-infographic.jpg\"\/><\/figure>\n<\/div>\n<h2>\ud83c\udfaf 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\u9078\u5b9a\u7684\u4f7f\u7528\u60c5\u5883\uff1a\u5b89\u5168\u7d50\u5e33\u6d41\u7a0b<\/h3>\n<p>\u5728\u672c\u6848\u4f8b\u7814\u7a76\u4e2d\uff0c\u6211\u5011\u5c07\u70ba\u7dda\u4e0a\u96f6\u552e\u5e73\u53f0\u6a21\u64ec\u4e00\u500b\u5b89\u5168\u7684\u7d50\u5e33\u6d41\u7a0b\u3002\u6b64\u60c5\u5883\u8907\u96dc\u5ea6\u8db3\u5920\uff0c\u80fd\u5c55\u73fe\u5716\u8868\u7684\u591a\u7a2e\u529f\u80fd\uff0c\u4f46\u53c8\u8db3\u5920\u805a\u7126\uff0c\u4ee5\u78ba\u4fdd\u5716\u8868\u6e05\u6670\u6613\u8b80\u3002\u76ee\u6a19\u662f\u8ffd\u8e64\u5f9e\u9867\u5ba2\u9ede\u64ca\u300c\u4ed8\u6b3e\u300d\u7684\u77ac\u9593\uff0c\u5230\u4ea4\u6613\u6700\u7d42\u78ba\u8a8d\u7684\u6574\u500b\u904e\u7a0b\u3002<\/p>\n<p>\u6b64\u5716\u8868\u7684\u4e3b\u8981\u76ee\u6a19\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u9a57\u8b49\uff1a<\/strong>\u78ba\u4fdd\u4ed8\u6b3e\u8cc7\u8a0a\u6b63\u78ba\u7121\u8aa4\u3002<\/li>\n<li><strong>\u5eab\u5b58\u6aa2\u67e5\uff1a<\/strong>\u5728\u6263\u6b3e\u524d\u78ba\u8a8d\u5eab\u5b58\u662f\u5426\u5145\u8db3\u3002<\/li>\n<li><strong>\u901a\u77e5\uff1a<\/strong>\u5411\u4f7f\u7528\u8005\u767c\u9001\u78ba\u8a8d\u96fb\u5b50\u90f5\u4ef6\u3002<\/li>\n<li><strong>\u932f\u8aa4\u8655\u7406\uff1a<\/strong>\u8655\u7406\u4ed8\u6b3e\u7db2\u95dc\u5931\u6557\u7684\u60c5\u5883\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udc65 \u7b2c\u4e00\u6b65\uff1a\u8b58\u5225\u53c3\u8207\u8005\u8207\u7269\u4ef6<\/h2>\n<p>\u7b2c\u4e00\u500b\u6280\u8853\u6b65\u9a5f\u662f\u8b58\u5225\u53c3\u8207\u8005\u3002\u5728\u9806\u5e8f\u5716\u4e2d\uff0c\u53c3\u8207\u8005\u4ee5\u7a31\u70ba\u751f\u547d\u7dda\u7684\u5782\u76f4\u7dda\u4f86\u8868\u793a\u3002\u9019\u4e9b\u53c3\u8207\u8005\u53ef\u4ee5\u662f\u4eba\u985e\u53c3\u8207\u8005\uff0c\u4e5f\u53ef\u4ee5\u662f\u8edf\u9ad4\u7269\u4ef6\u3002<\/p>\n<h3>\ud83e\uddd1 \u5916\u90e8\u53c3\u8207\u8005<\/h3>\n<p>\u6bcf\u4e00\u6b21\u4e92\u52d5\u90fd\u5f9e\u4e00\u500b\u89f8\u767c\u9ede\u958b\u59cb\u3002\u5728\u6b64\u60c5\u5883\u4e2d\uff0c\u89f8\u767c\u9ede\u662f\u9867\u5ba2\u3002\u6211\u5011\u4f7f\u7528\u6a19\u6e96\u7684\u7c21\u7b46\u4eba\u50cf\u5716\u793a\u4f86\u8868\u793a\u3002\u9867\u5ba2\u555f\u52d5\u6574\u500b\u6d41\u7a0b\uff0c\u4f46\u6211\u5011\u4e0d\u6703\u6a21\u64ec\u4ed6\u5011\u7684\u5167\u5fc3\u60f3\u6cd5\uff0c\u50c5\u8a18\u9304\u8207\u7cfb\u7d71\u4e92\u52d5\u7684\u884c\u70ba\u3002<\/p>\n<h3>\ud83d\udda5\ufe0f \u5167\u90e8\u7269\u4ef6<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u8b58\u5225\u6d89\u53ca\u7684\u7cfb\u7d71\u7d44\u4ef6\u3002\u70ba\u4e86\u8b93\u5716\u8868\u4fdd\u6301\u53ef\u7ba1\u7406\u6027\uff0c\u6211\u5011\u4f9d\u908f\u8f2f\u5c07\u8077\u8cac\u5206\u7d44\uff1a<\/p>\n<ul>\n<li><strong>\u524d\u7aef\u61c9\u7528\u7a0b\u5f0f\uff1a<\/strong>\u9867\u5ba2\u6240\u898b\u7684\u4ecb\u9762\u3002\u8ca0\u8cac\u6536\u96c6\u8f38\u5165\u4e26\u986f\u793a\u7d50\u679c\u3002<\/li>\n<li><strong>\u8a02\u55ae\u670d\u52d9\uff1a<\/strong>\u7ba1\u7406\u5efa\u7acb\u8a02\u55ae\u8a18\u9304\u7684\u908f\u8f2f\u3002<\/li>\n<li><strong>\u4ed8\u6b3e\u7db2\u95dc\uff1a<\/strong>\u8ca0\u8cac\u8655\u7406\u8cc7\u91d1\u7684\u5916\u90e8\u7cfb\u7d71\u3002<\/li>\n<li><strong>\u5eab\u5b58\u670d\u52d9\uff1a<\/strong>\u6aa2\u67e5\u5eab\u5b58\u6c34\u6e96\u4e26\u9810\u7559\u5546\u54c1\u3002<\/li>\n<li><strong>\u901a\u77e5\u670d\u52d9\uff1a<\/strong> \u8655\u7406\u96fb\u5b50\u90f5\u4ef6\u50b3\u905e\u3002<\/li>\n<\/ul>\n<p>\u9019\u4e9b\u7269\u4ef6\u4e2d\u7684\u6bcf\u4e00\u500b\u90fd\u6703\u5f9e\u5716\u8868\u9802\u90e8\u5411\u4e0b\u5ef6\u4f38\u51fa\u4e00\u689d\u5782\u76f4\u7684\u751f\u547d\u7dda\u3002\u6b63\u78ba\u5730\u908f\u8f2f\u6392\u5217\u9019\u4e9b\u751f\u547d\u7dda\u81f3\u95dc\u91cd\u8981\uff0c\u901a\u5e38\u5c07\u555f\u52d5\u8005\u653e\u5728\u6700\u5de6\u5074\uff0c\u4f9d\u8cf4\u7684\u7cfb\u7d71\u653e\u5728\u53f3\u5074\u3002<\/p>\n<h2>\ud83d\udcc9 \u6b65\u9a5f 2\uff1a\u5efa\u7acb\u751f\u547d\u7dda\u8207\u6fc0\u6d3b\u689d<\/h2>\n<p>\u53c3\u8207\u8005\u653e\u7f6e\u5b8c\u6210\u5f8c\uff0c\u6211\u5011\u5728\u9801\u9762\u4e0a\u756b\u51fa\u5782\u76f4\u7684\u865b\u7dda\u3002\u9019\u4e9b\u7a31\u70ba\u751f\u547d\u7dda\uff0c\u4ee3\u8868\u7269\u4ef6\u5728\u4e92\u52d5\u671f\u9593\u7684\u5b58\u5728\u3002\u5728\u6bcf\u689d\u7dda\u7684\u9802\u7aef\uff0c\u6211\u5011\u653e\u7f6e\u7269\u4ef6\u540d\u7a31\u53ca\u5176\u985e\u578b\uff08\u4f8b\u5982\uff1a\u5ba2\u6236\u3001\u8a02\u55ae\u670d\u52d9\uff09\u3002<\/p>\n<p><strong>\u6fc0\u6d3b\u689d\uff1a<\/strong> \u70ba\u4e86\u8868\u793a\u7269\u4ef6\u6b63\u5728\u7a4d\u6975\u57f7\u884c\u4efb\u52d9\uff0c\u6211\u5011\u5728\u751f\u547d\u7dda\u4e0a\u65b9\u7e6a\u88fd\u4e00\u500b\u72f9\u7a84\u7684\u77e9\u5f62\u3002\u9019\u7a31\u70ba\u6fc0\u6d3b\u689d\u3002\u5b83\u5e6b\u52a9\u8b80\u8005\u7406\u89e3\u7269\u4ef6\u4f55\u6642\u8655\u65bc\u5fd9\u788c\u72c0\u614b\uff0c\u7121\u6cd5\u7acb\u5373\u8655\u7406\u5176\u4ed6\u8acb\u6c42\u3002<\/p>\n<h3>\ud83d\udcca \u8868\u683c\uff1a\u751f\u547d\u9031\u671f\u5143\u7d20<\/h3>\n<table>\n<thead>\n<tr>\n<th>\u5143\u7d20<\/th>\n<th>\u8996\u89ba\u8868\u793a<\/th>\n<th>\u76ee\u7684<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u751f\u547d\u7dda<\/td>\n<td>\u5782\u76f4\u865b\u7dda<\/td>\n<td>\u986f\u793a\u53c3\u8207\u8005\u96a8\u6642\u9593\u7684\u5b58\u7e8c\u72c0\u614b\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u6fc0\u6d3b\u689d<\/td>\n<td>\u751f\u547d\u7dda\u4e0a\u7684\u77e9\u5f62\u6846<\/td>\n<td>\u8868\u793a\u6b63\u5728\u9032\u884c\u8655\u7406\u6216\u63a7\u5236\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u8a0a\u606f\u7bad\u982d<\/td>\n<td>\u6c34\u5e73\u7bad\u982d<\/td>\n<td>\u986f\u793a\u53c3\u8207\u8005\u4e4b\u9593\u7684\u901a\u8a0a\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u56de\u61c9\u8a0a\u606f<\/td>\n<td>\u865b\u7dda\u7bad\u982d<\/td>\n<td>\u8868\u793a\u56de\u61c9\u6216\u8cc7\u6599\u56de\u50b3\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ud83d\udcac \u6b65\u9a5f 3\uff1a\u6620\u5c04\u8a0a\u606f\u8207\u4e92\u52d5<\/h2>\n<p>\u5e8f\u5217\u5716\u7684\u6838\u5fc3\u662f\u8a0a\u606f\u7684\u6d41\u52d5\u3002\u8a0a\u606f\u4ee3\u8868\u7269\u4ef6\u4e4b\u9593\u767c\u9001\u7684\u65b9\u6cd5\u547c\u53eb\u6216\u4fe1\u865f\u3002\u6211\u5011\u4ee5\u6c34\u5e73\u7bad\u982d\u9023\u63a5\u751f\u547d\u7dda\u4f86\u7e6a\u88fd\u9019\u4e9b\u8a0a\u606f\u3002\u7bad\u982d\u7684\u65b9\u5411\u8868\u793a\u767c\u9001\u8005\u8207\u63a5\u6536\u8005\u3002<\/p>\n<h3>\ud83d\udd17 \u540c\u6b65\u8207\u975e\u540c\u6b65\u8a0a\u606f<\/h3>\n<p>\u7406\u89e3\u8a0a\u606f\u7684\u6642\u5e8f\u5c0d\u65bc\u6e96\u78ba\u5efa\u6a21\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n<ul>\n<li><strong>\u540c\u6b65\uff1a<\/strong> \u767c\u9001\u8005\u6703\u7b49\u5f85\u56de\u61c9\u5f8c\u624d\u7e7c\u7e8c\u3002\u8996\u89ba\u4e0a\uff0c\u9019\u662f\u4e00\u689d\u5be6\u7dda\u642d\u914d\u5be6\u5fc3\u7bad\u982d\u3002\u4f8b\u5982\uff0c\u7576\u524d\u7aef\u8981\u6c42\u8a02\u55ae\u670d\u52d9\u5efa\u7acb\u8a02\u55ae\u6642\uff0c\u5b83\u6703\u7b49\u5f85\u78ba\u8a8d\u3002<\/li>\n<li><strong>\u975e\u540c\u6b65\uff1a<\/strong> \u767c\u9001\u8005\u767c\u9001\u8a0a\u606f\u5f8c\u7acb\u5373\u7e7c\u7e8c\uff0c\u7121\u9700\u7b49\u5f85\u3002\u8996\u89ba\u4e0a\uff0c\u9019\u662f\u4e00\u689d\u5be6\u7dda\u642d\u914d\u7a7a\u5fc3\u7bad\u982d\u3002\u4f8b\u5982\uff0c\u901a\u77e5\u670d\u52d9\u5c07\u80cc\u666f\u65e5\u8a8c\u689d\u76ee\u767c\u9001\u5230\u5be9\u8a08\u670d\u52d9\u3002<\/li>\n<\/ul>\n<p><strong>\u69cb\u5efa\u6d41\u7a0b\uff1a<\/strong><\/p>\n<ol>\n<li><strong>\u555f\u52d5\uff1a<\/strong> \u5ba2\u6236\u767c\u9001\u4e00\u500b <em>\u8acb\u6c42\u4ed8\u6b3e<\/em> \u6d88\u606f\u7d66\u524d\u7aef\u61c9\u7528\u7a0b\u5f0f\u3002<\/li>\n<li><strong>\u9a57\u8b49\uff1a<\/strong> \u524d\u7aef\u767c\u9001\u4e00\u500b <em>\u9a57\u8b49\u8a73\u60c5<\/em> \u6d88\u606f\u7d66\u8a02\u55ae\u670d\u52d9\u3002<\/li>\n<li><strong>\u5eab\u5b58\u6aa2\u67e5\uff1a<\/strong> \u8a02\u55ae\u670d\u52d9\u767c\u9001\u4e00\u500b <em>\u6aa2\u67e5\u5eab\u5b58<\/em> \u6d88\u606f\u7d66\u5eab\u5b58\u670d\u52d9\u3002<\/li>\n<li><strong>\u8655\u7406\uff1a<\/strong> \u78ba\u8a8d\u5eab\u5b58\u5f8c\uff0c\u8a02\u55ae\u670d\u52d9\u767c\u9001\u4e00\u500b <em>\u8655\u7406\u4ea4\u6613<\/em> \u6d88\u606f\u7d66\u4ed8\u6b3e\u7db2\u95dc\u3002<\/li>\n<li><strong>\u78ba\u8a8d\uff1a<\/strong> \u4ed8\u6b3e\u7db2\u95dc\u56de\u50b3\u4e00\u500b <em>\u6210\u529f<\/em> \u6d88\u606f\u7d66\u8a02\u55ae\u670d\u52d9\u3002<\/li>\n<li><strong>\u5b8c\u6210\uff1a<\/strong> \u8a02\u55ae\u670d\u52d9\u767c\u9001\u4e00\u500b <em>\u5efa\u7acb\u8a02\u55ae<\/em> \u6d88\u606f\u7d66\u8cc7\u6599\u5eab\u3002<\/li>\n<li><strong>\u901a\u77e5\uff1a<\/strong> \u8a02\u55ae\u670d\u52d9\u89f8\u767c\u4e00\u500b <em>\u767c\u9001\u6536\u64da<\/em> \u6d88\u606f\u7d66\u901a\u77e5\u670d\u52d9\u3002<\/li>\n<\/ol>\n<p>\u6bcf\u500b\u7bad\u982d\u90fd\u61c9\u6e05\u695a\u6a19\u793a\u8a0a\u606f\u540d\u7a31\u3002\u6b63\u662f\u9019\u7a2e\u6a19\u793a\uff0c\u5c07\u8349\u5716\u8f49\u5316\u70ba\u898f\u683c\u6587\u4ef6\u3002<\/p>\n<h2>\ud83e\udde0 \u7b2c4\u6b65\uff1a\u8655\u7406\u908f\u8f2f\u5206\u652f\uff08Alt \u548c Opt\uff09<\/h2>\n<p>\u73fe\u5be6\u4e16\u754c\u4e2d\u7684\u7cfb\u7d71\u5f88\u5c11\u9075\u5faa\u55ae\u4e00\u5b8c\u7f8e\u7684\u8def\u5f91\u3002\u932f\u8aa4\u8655\u7406\u548c\u689d\u4ef6\u908f\u8f2f\u662f\u7a69\u5065\u5e8f\u5217\u5716\u7684\u95dc\u9375\u7d44\u6210\u90e8\u5206\u3002UML \u63d0\u4f9b\u4e86\u4e92\u52d5\u7247\u6bb5\u4f86\u6a21\u64ec\u9019\u4e9b\u60c5\u5883\u3002<\/p>\n<h3>\ud83d\udd00 Alt \u7247\u6bb5\uff08\u66ff\u4ee3\uff09<\/h3>\n<p>\u9019\u500b<em>Alt<\/em>\u9019\u500b\u7247\u6bb5\u4ee3\u8868 if-else \u7d50\u69cb\u3002\u5b83\u6839\u64da\u689d\u4ef6\u5c07\u5716\u8868\u5206\u6210\u82e5\u5e72\u90e8\u5206\u3002\u5982\u679c\u689d\u4ef6\u70ba\u771f\uff0c\u5247\u8d70\u4e00\u689d\u8def\u5f91\uff1b\u5982\u679c\u70ba\u5047\uff0c\u5247\u8d70\u53e6\u4e00\u689d\u8def\u5f91\u3002<\/p>\n<p>\u5728\u6211\u5011\u7684\u7d50\u5e33\u60c5\u5883\u4e2d\uff0c\u6211\u5011\u5728\u6aa2\u67e5\u5eab\u5b58\u6642\u4f7f\u7528\u4e00\u500b<em>Alt<\/em>\u7247\u6bb5\uff1a<\/p>\n<ul>\n<li><strong>\u689d\u4ef6 [inStock]\uff1a<\/strong> \u5982\u679c\u5546\u54c1\u6709\u5eab\u5b58\uff0c\u5247\u7e7c\u7e8c\u9032\u884c\u4ed8\u6b3e\u3002<\/li>\n<li><strong>\u689d\u4ef6 [!inStock]\uff1a<\/strong> \u5982\u679c\u5546\u54c1\u7f3a\u8ca8\uff0c\u5247\u5411\u5ba2\u6236\u89f8\u767c\u7f3a\u8ca8\u8b66\u544a\u3002<\/li>\n<\/ul>\n<p>\u8996\u89ba\u4e0a\uff0c\u9019\u6703\u4ee5\u865b\u7dda\u6846\u5305\u570d\u66ff\u4ee3\u8def\u5f91\uff0c\u4e26\u5728\u6bcf\u500b\u5340\u6bb5\u7684\u9802\u90e8\u6a19\u793a\u689d\u4ef6\u3002<\/p>\n<h3>\ud83d\udd01 Loop \u7247\u6bb5<\/h3>\n<p>\u5982\u679c\u4e00\u500b\u6d41\u7a0b\u91cd\u8907\u57f7\u884c\uff0c\u8acb\u4f7f\u7528\u4e00\u500b<em>Loop<\/em>\u7247\u6bb5\u3002\u96d6\u7136\u5728\u7c21\u55ae\u7684\u7d50\u5e33\u6d41\u7a0b\u4e2d\u8f03\u4e0d\u5e38\u898b\uff0c\u4f46\u8acb\u60f3\u50cf\u4e00\u500b\u60c5\u5883\uff1a\u9867\u5ba2\u8cfc\u7269\u8eca\u4e2d\u6709\u6578\u500b\u5546\u54c1\u3002\u7cfb\u7d71\u53ef\u80fd\u6703\u9010\u4e00\u5faa\u74b0\u6aa2\u67e5\u6bcf\u500b\u5546\u54c1\u7684\u5eab\u5b58\u3002\u9019\u6a23\u80fd\u8b93\u5716\u8868\u4fdd\u6301\u6e05\u6670\uff0c\u800c\u4e0d\u5fc5\u91cd\u8907\u7e6a\u88fd\u76f8\u540c\u7684\u5e8f\u5217\u3002<\/p>\n<h2>\u23f3 \u7b2c5\u6b65\uff1a\u8868\u793a\u6642\u9593\u8207\u57f7\u884c<\/h2>\n<p>\u5728\u5e8f\u5217\u5716\u4e2d\uff0c\u6642\u9593\u5f9e\u4e0a\u5230\u4e0b\u6d41\u52d5\u3002\u9019\u500b\u5782\u76f4\u8ef8\u96d6\u662f\u96b1\u542b\u7684\uff0c\u537b\u6975\u5177\u5a01\u529b\u3002\u8a0a\u606f\u4e4b\u9593\u7684\u5782\u76f4\u8ddd\u96e2\u901a\u5e38\u4ee3\u8868\u6642\u9593\u6d41\u901d\u6216\u7db2\u8def\u5ef6\u9072\u3002<\/p>\n<h3>\ud83d\ude80 \u6fc0\u6d3b\u8207\u505c\u7528<\/h3>\n<p>\u7576\u7269\u4ef6\u767c\u9001\u8a0a\u606f\u6642\uff0c\u5176\u6fc0\u6d3b\u689d\u958b\u59cb\uff1b\u7576\u5b83\u6536\u5230\u56de\u8986\u8a0a\u606f\u6642\uff0c\u6fc0\u6d3b\u689d\u7d50\u675f\u3002\u9019\u500b\u8996\u89ba\u63d0\u793a\u6709\u52a9\u65bc\u8b58\u5225\u74f6\u9838\u3002\u5982\u679c\u55ae\u4e00\u6fc0\u6d3b\u689d\u6975\u5176\u9577\uff0c\u8868\u793a\u5b58\u5728\u5927\u91cf\u904b\u7b97\u6216\u5916\u90e8\u4f9d\u8cf4\u901f\u5ea6\u7de9\u6162\u3002<\/p>\n<p><strong>\u7bc4\u4f8b\u60c5\u5883\uff1a<\/strong><\/p>\n<p>\u5982\u679c\u4ed8\u6b3e\u7db2\u95dc\u9700\u89815\u79d2\u624d\u80fd\u56de\u61c9\uff0c\u8a02\u55ae\u670d\u52d9\u7684\u6fc0\u6d3b\u689d\u5c07\u5728\u7b49\u5f85\u671f\u9593\u5782\u76f4\u5ef6\u9577\u3002\u9019\u5c0d\u9700\u8981\u512a\u5316\u7cfb\u7d71\u97ff\u61c9\u901f\u5ea6\u7684\u67b6\u69cb\u5e2b\u800c\u8a00\u662f\u6975\u70ba\u5bf6\u8cb4\u7684\u8cc7\u8a0a\u3002<\/p>\n<h2>\ud83d\udd0d \u7b2c6\u6b65\uff1a\u5be9\u67e5\u8207\u512a\u5316<\/h2>\n<p>\u4e00\u65e6\u8349\u5716\u5b8c\u6210\uff0c\u5c31\u5fc5\u9808\u9032\u884c\u5be9\u67e5\u4ee5\u78ba\u4fdd\u6e96\u78ba\u6027\u3002\u5716\u8868\u904e\u65bc\u8907\u96dc\u6beb\u7121\u7528\u8655\uff0c\u800c\u904e\u65bc\u7c21\u55ae\u5247\u5177\u6709\u8aa4\u5c0e\u6027\u3002<\/p>\n<h3>\u2705 \u9a57\u8b49\u6e05\u55ae<\/h3>\n<ul>\n<li><strong>\u5b8c\u6574\u6027\uff1a<\/strong> \u6bcf\u5247\u767c\u9001\u7684\u8a0a\u606f\u662f\u5426\u90fd\u6709\u5c0d\u61c9\u7684\u56de\u8986\u8def\u5f91\u6216\u53cd\u61c9\uff1f<\/li>\n<li><strong>\u6e05\u6670\u5ea6\uff1a<\/strong> \u6240\u6709\u8a0a\u606f\u540d\u7a31\u662f\u5426\u90fd\u5177\u6709\u63cf\u8ff0\u6027\uff1f\u907f\u514d\u4f7f\u7528\u300c\u57f7\u884c\u300d\u4e4b\u985e\u7684\u901a\u7528\u8a5e\u8a9e\u3002<\/li>\n<li><strong> \u4e00\u81f4\u6027\uff1a<\/strong> \u751f\u547d\u7dda\u662f\u5426\u5c0d\u9f4a\u6b63\u78ba\uff1f\u7bad\u982d\u662f\u5426\u7121\u8b02\u5730\u4ea4\u53c9\uff1f<\/li>\n<li><strong> \u53ef\u8b80\u6027\uff1a<\/strong> \u5f9e\u4e0a\u5230\u4e0b\u7684\u908f\u8f2f\u6d41\u7a0b\u662f\u5426\u5bb9\u6613\u8ddf\u96a8\uff1f<\/li>\n<\/ul>\n<h3>\ud83d\udd04 \u8fed\u4ee3\u6539\u9032<\/h3>\n<p>\u5e8f\u5217\u5716\u5f88\u5c11\u5728\u7b2c\u4e00\u6b21\u5617\u8a66\u6642\u5c31\u5b8c\u7f8e\u7121\u7f3a\u3002\u7d93\u5e38\u9700\u8981\u79fb\u52d5\u751f\u547d\u7dda\u4ee5\u6e1b\u5c11\u7bad\u982d\u4ea4\u53c9\u3002\u4f60\u53ef\u4ee5\u5c07\u76f8\u95dc\u7684\u4e92\u52d5\u5206\u7d44\uff0c\u4f7f\u908f\u8f2f\u66f4\u6e05\u6670\u3002\u5982\u679c\u67d0\u500b\u90e8\u5206\u904e\u65bc\u64c1\u64e0\uff0c\u53ef\u8003\u616e\u62c6\u5206\u70ba\u9ad8\u968e\u5716\u548c\u8a73\u7d30\u7684\u5b50\u5716\u3002<\/p>\n<h2>\ud83d\udeab \u61c9\u907f\u514d\u7684\u5e38\u898b\u9677\u9631<\/h2>\n<p>\u5373\u4f7f\u7d93\u9a57\u8c50\u5bcc\u7684\u5efa\u6a21\u8005\u4e5f\u6703\u72af\u932f\u3002\u4e86\u89e3\u5e38\u898b\u932f\u8aa4\u53ef\u7bc0\u7701\u958b\u767c\u548c\u6587\u4ef6\u7de8\u5beb\u7684\u6642\u9593\u3002<\/p>\n<ul>\n<li><strong>\u751f\u547d\u7dda\u904e\u8f09\uff1a<\/strong> \u4e0d\u8981\u5728\u540c\u4e00\u689d\u751f\u547d\u7dda\u4e0a\u653e\u7f6e\u7121\u95dc\u7684\u6d41\u7a0b\u3002\u8b93\u7269\u4ef6\u5c08\u6ce8\u65bc\u5176\u7279\u5b9a\u8077\u8cac\u3002<\/li>\n<li><strong>\u5ffd\u7565\u72c0\u614b\uff1a<\/strong> \u5e8f\u5217\u5716\u986f\u793a\u7684\u662f\u884c\u70ba\uff0c\u800c\u975e\u72c0\u614b\u3002\u9664\u975e\u76f4\u63a5\u5f71\u97ff\u8a0a\u606f\u6d41\u7a0b\uff0c\u5426\u5247\u4e0d\u8981\u7528\u5b83\u4f86\u89e3\u91cb\u7269\u4ef6\u5c6c\u6027\uff0c\u5982\u300c\u9918\u984d\u300d\u6216\u300c\u72c0\u614b\u300d\u3002<\/li>\n<li><strong>\u907a\u6f0f\u932f\u8aa4\u8def\u5f91\uff1a<\/strong> \u8a31\u591a\u5716\u8868\u50c5\u986f\u793a\u300c\u9806\u5229\u8def\u5f91\u300d\u3002\u52d9\u5fc5\u5efa\u6a21\u670d\u52d9\u4e2d\u65b7\u6216\u8f38\u5165\u7121\u6548\u6642\u7684\u60c5\u6cc1\u3002<\/li>\n<li><strong>\u7d30\u7bc0\u904e\u591a\uff1a<\/strong> \u4e0d\u8981\u70ba\u6bcf\u500b\u6b04\u4f4d\u90fd\u5efa\u6a21\u8cc7\u6599\u5eab\u67e5\u8a62\u3002\u5982\u679c\u524d\u7aef\u547c\u53eb<em>\u53d6\u5f97\u4f7f\u7528\u8005\u8cc7\u6599<\/em>\uff0c\u9664\u975e\u662f\u7814\u7a76\u7684\u91cd\u9ede\uff0c\u5426\u5247\u4e0d\u8981\u7e6a\u88fd SQL \u67e5\u8a62\u3002<\/li>\n<li><strong>\u975c\u614b\u8cc7\u8a0a\uff1a<\/strong> \u4e0d\u8981\u4f7f\u7528\u5e8f\u5217\u5716\u4f86\u89e3\u91cb\u975c\u614b\u985e\u7d50\u69cb\u3002\u61c9\u4f7f\u7528\u985e\u5716\u4f86\u9054\u6210\u6b64\u76ee\u7684\u3002<\/li>\n<\/ul>\n<h2>\ud83d\udccb \u8868\u683c\uff1a\u8a0a\u606f\u985e\u578b\u53c3\u8003<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u985e\u578b<\/th>\n<th>\u7bad\u982d\u6a23\u5f0f<\/th>\n<th>\u884c\u70ba<\/th>\n<th>\u7bc4\u4f8b<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u7c21\u55ae\u547c\u53eb<\/td>\n<td>\u5be6\u7dda\uff0c\u5be6\u5fc3\u7bad\u982d\u982d<\/td>\n<td>\u7b49\u5f85\u56de\u61c9\u3002<\/td>\n<td><em>Order()<\/em><\/td>\n<\/tr>\n<tr>\n<td>\u975e\u540c\u6b65<\/td>\n<td>\u5be6\u7dda\uff0c\u958b\u653e\u982d\u90e8<\/td>\n<td>\u767c\u9001\u5f8c\u4e0d\u7ba1\u3002<\/td>\n<td><em>LogEvent()<\/em><\/td>\n<\/tr>\n<tr>\n<td>\u56de\u50b3<\/td>\n<td>\u865b\u7dda\uff0c\u958b\u653e\u982d\u90e8<\/td>\n<td>\u56de\u61c9\u8cc7\u6599\u3002<\/td>\n<td><em>\u8a02\u55ae\u7de8\u865f<\/em><\/td>\n<\/tr>\n<tr>\n<td>\u81ea\u6211\u547c\u53eb<\/td>\n<td>\u66f2\u7dda\u7bad\u982d<\/td>\n<td>\u7269\u4ef6\u547c\u53eb\u81ea\u8eab\u3002<\/td>\n<td><em>CalculateTax()<\/em><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ud83d\udee0\ufe0f 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