{"id":2294,"date":"2026-05-26T07:05:25","date_gmt":"2026-05-26T07:05:25","guid":{"rendered":"https:\/\/www.vpascode.com\/tw\/docs\/uncategorized\/plantuml-sequence-diagram-syntax-guide\/"},"modified":"2026-05-26T07:05:25","modified_gmt":"2026-05-26T07:05:25","slug":"plantuml-sequence-diagram-syntax-guide","status":"publish","type":"ld_docs","link":"https:\/\/www.vpascode.com\/tw\/docs\/vpascode-docs\/plantuml-sequence-diagram-syntax-guide\/","title":{"rendered":"PlantUML \u5e8f\u5217\u5716\u8a9e\u6cd5\u6307\u5357"},"content":{"rendered":"<h2>\u4ec0\u9ebc\u662f\u5e8f\u5217\u5716\uff1f<\/h2>\n<p>\u4e00\u500b<strong>\u5e8f\u5217\u5716<\/strong>\u662f\u4e00\u7a2e\u884c\u70ba<strong>UML \u5716<\/strong>\u8a73\u7d30\u63cf\u8ff0\u4e86\u8edf\u9ad4\u64cd\u4f5c\u5982\u4f55\u96a8\u6642\u9593\u9032\u884c\u3002\u4f5c\u70ba\u7d71\u4e00\u5efa\u6a21\u8a9e\u8a00\uff08UML\uff09\u898f\u7bc4\u7684\u6838\u5fc3\u6a19\u6e96\uff0c\u5b83\u6a21\u64ec\u4e86\u7269\u4ef6\u3001\u7a0b\u5e8f\u6216\u5fae\u670d\u52d9\u4ea4\u63db\u8a0a\u606f\u7684\u7cbe\u78ba\u6642\u9593\u9806\u5e8f\u3002\u900f\u904e\u5c07\u751f\u547d\u7dda\u5782\u76f4\u6392\u5217\uff0c\u4e26\u4ee5\u6c34\u5e73\u65b9\u5f0f\u5448\u73fe\u9806\u5e8f\u4e92\u52d5\uff0c\u9019\u7a2e\u7279\u5b9a\u7684<strong>UML \u5716\u985e\u578b<\/strong>\u8b93\u8edf\u9ad4\u5de5\u7a0b\u5e2b\u8207\u7cfb\u7d71\u67b6\u69cb\u5e2b\u80fd\u5728\u64b0\u5beb\u751f\u7522\u7a0b\u5f0f\u78bc\u4e4b\u524d\uff0c\u6e05\u695a\u5730\u8996\u89ba\u5316\u8907\u96dc\u7684 API \u547c\u53eb\u5e8f\u5217\u3001\u7db2\u8def\u8cc7\u6599\u4ea4\u63e1\uff0c\u4ee5\u53ca\u8cc7\u6599\u5eab\u4ea4\u6613\u908a\u754c\u3002<\/p>\n<p>\u4f7f\u7528<strong>VPasCode<\/strong>\u60a8\u4e0d\u5fc5\u82b1\u8cbb\u6578\u5c0f\u6642\u4f86\u5c0d\u9f4a\u5e73\u884c\u7bad\u982d\u3001\u62c9\u9577\u8a0a\u606f\u7dda\uff0c\u6216\u79fb\u52d5\u908a\u6846\u6846\u4ee5\u9a30\u51fa\u65b0\u6b65\u9a5f\u7684\u7a7a\u9593\u3002\u6211\u5011\u7684\u4f48\u5c40\u5f15\u64ce\u6703\u5728\u60a8\u8f38\u5165\u7d14\u6587\u5b57\u5ba3\u544a\u5f0f\u6307\u4ee4\u6642\uff0c\u52d5\u614b\u8a08\u7b97\u6574\u500b\u6642\u9593\u8ef8\u7db2\u683c\u3002<\/p>\n<h2>\u6838\u5fc3\u8a9e\u6cd5\u6307\u5357\uff1a\u5143\u7d20\u8207\u69cb\u9020<\/h2>\n<p>\u8981\u5728 PlantUML \u4e2d\u8a2d\u8a08\u51fa\u53ef\u57f7\u884c\u4e14\u7b26\u5408\u6a19\u6e96\u7684 UML \u5e8f\u5217\u5716\uff0c\u60a8\u5fc5\u9808\u638c\u63e1\u5143\u4ef6\u5ba3\u544a\u3001\u8a0a\u606f\u7bad\u982d\u6a23\u5f0f\u3001\u751f\u547d\u7dda\uff0c\u4ee5\u53ca\u908f\u8f2f\u63a7\u5236\u7d50\u69cb\u3002<\/p>\n<h3>1. \u8072\u660e UML \u53c3\u8207\u8005\u8207\u5f62\u72c0<\/h3>\n<p>\u9810\u8a2d\u60c5\u6cc1\u4e0b\uff0c\u6b64 UML \u5716\u4e2d\u7684\u5143\u4ef6\u6703\u7e7c\u627f\u6a19\u6e96\u7684\u65b9\u5f62\u6846\u5f62\u72c0\u3002\u7136\u800c\uff0c\u60a8\u53ef\u4ee5\u900f\u904e\u4f7f\u7528\u7279\u5b9a\u7684 UML \u95dc\u9375\u5b57\uff0c\u6539\u8b8a\u5be6\u9ad4\u7684\u8996\u89ba\u539f\u578b\uff0c\u8b93\u8b80\u8005\u7acb\u5373\u4e86\u89e3\u7cfb\u7d71\u908a\u754c\u4e4b\u67b6\u69cb\u8108\u7d61\u3002<\/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\/editor\/#plantuml:IqmkoIzISCx9JCqhuULAoY_DIqaigbHGSWpmL71FB4ajJwnKKaWiXh5vkPBpyqgAydCKd25qJceHBrTAOabYKc9nge9IG7vnINfHQd2W3rYNYnC0\" 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\/editor\/#plantuml:IqmkoIzISCx9JCqhuULAoY_DIqaigbHGSWpmL71FB4ajJwnKKaWiXh5vkPBpyqgAydCKd25qJceHBrTAOabYKc9nge9IG7vnINfHQd2W3rYNYnC0\" \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\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">actor Client\r\nboundary \"API Gateway\" as Gateway\r\ncontrol Controller\r\ndatabase \"PostgreSQL\" as DB<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:IqmkoIzISCx9JCqhuULAoY_DIqaigbHGSWpmL71FB4ajJwnKKaWiXh5vkPBpyqgAydCKd25qJceHBrTAOabYKc9nge9IG7vnINfHQd2W3rYNYnC0\" \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\/editor\/#plantuml:IqmkoIzISCx9JCqhuULAoY_DIqaigbHGSWpmL71FB4ajJwnKKaWiXh5vkPBpyqgAydCKd25qJceHBrTAOabYKc9nge9IG7vnINfHQd2W3rYNYnC0\" 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<p id=\"KAQHVeB\"><img fetchpriority=\"high\" alt=\"\" class=\"alignnone size-full wp-image-559\" decoding=\"async\" fetchpriority=\"high\" height=\"171\" sizes=\"(max-width: 327px) 100vw, 327px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18f8637e3aa.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18f8637e3aa.png 327w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18f8637e3aa-300x157.png 300w\" width=\"327\"\/><\/p>\n<h3>2. \u8a0a\u606f\u7bad\u982d\u8207\u540c\u6b65\u6027<\/h3>\n<p>\u60a8\u7684\u7bad\u982d\u7dda\u689d\u8207\u7bad\u982d\u982d\u90e8\u7684\u6a23\u5f0f\uff0c\u6839\u64da UML \u5716\u6a19\u6e96\uff0c\u78ba\u7acb\u4e86\u8de8\u57fa\u790e\u8a2d\u65bd\u7ba1\u9053\u7684\u901a\u8a0a\u5354\u5b9a\uff1a<\/p>\n<ul>\n<li><strong>\u540c\u6b65\u8acb\u6c42\uff08\u963b\u585e\u5f0f\uff09\uff1a<\/strong>\u4ee5\u5be6\u7dda\u8207\u5be6\u5fc3\u7bad\u982d\u982d\u8868\u793a\u3002\u767c\u9001\u8005\u6703\u7b49\u5f85\u56de\u61c9\uff1a<code>A -&gt; B<\/code><\/li>\n<li><strong>\u975e\u540c\u6b65\u8a0a\u606f\uff08\u975e\u963b\u585e\u5f0f\uff09\uff1a<\/strong>\u4ee5\u5be6\u7dda\u8207\u7a7a\u5fc3\u7d30\u7bad\u982d\u982d\u8868\u793a\u3002\u767c\u9001\u8005\u50b3\u905e\u8cc7\u6599\u5f8c\u7acb\u5373\u7e7c\u7e8c\uff1a<code>A -&gt;&gt; B<\/code><\/li>\n<li><strong>\u56de\u61c9\uff0f\u56de\u50b3\u503c\uff1a<\/strong>\u4ee5\u865b\u7dda\u8207\u7a7a\u5fc3\u7bad\u982d\u982d\u8868\u793a\uff1a<code>B --&gt; A<\/code><\/li>\n<\/ul>\n<h3>3. \u7ba1\u7406\u751f\u547d\u7ebf\uff08\u6fc0\u6d3b\u8207\u505c\u7528\uff09<\/h3>\n<p>\u70ba\u4e86\u9632\u6b62\u60a8\u7684\u7d44\u4ef6\u770b\u8d77\u4f86\u50cf\u6241\u5e73\u7684\u689d\u72c0\uff0c\u60a8\u61c9\u8a72\u660e\u78ba\u986f\u793a\u7576\u4e00\u500b\u6d41\u7a0b\u6b63\u5728\u7a4d\u6975\u6d88\u8017 CPU \u7dda\u7a0b\u6216\u8a18\u61b6\u9ad4\u5bb9\u91cf\u6642\u7684\u60c5\u6cc1\u3002\u4f7f\u7528 <code>activate<\/code> \u548c <code>deactivate<\/code> \u6a19\u8a18\uff0c\u6216\u4f7f\u7528\u7c21\u5beb\u7684\u5167\u806f\u905e\u589e\u8a9e\u6cd5\uff08<code>++<\/code> \/ <code>--<\/code>):<\/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\/editor\/#plantuml:SqyiIIrFh5JGjLDmpiyhAShFoKajKj3MLh1IK2eeoazEBIuEIApCJSqhqT1KukL2KgCBrE8EqwqBKb-KMb9QbATGb9gScbbGeWG0\" 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\/editor\/#plantuml:SqyiIIrFh5JGjLDmpiyhAShFoKajKj3MLh1IK2eeoazEBIuEIApCJSqhqT1KukL2KgCBrE8EqwqBKlzY_vIdi-SzcxBjsUHPIW00\" \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\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">Gateway -&gt; Controller ++ : \"processPayment()\"\r\nController --&gt; Gateway -- : \"\u8fd4\u56de\u6536\u64da\"<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:SqyiIIrFh5JGjLDmpiyhAShFoKajKj3MLh1IK2eeoazEBIuEIApCJSqhqT1KukL2KgCBrE8EqwqBKlzY_vIdi-SzcxBjsUHPIW00\" \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\/editor\/#plantuml:SqyiIIrFh5JGjLDmpiyhAShFoKajKj3MLh1IK2eeoazEBIuEIApCJSqhqT1KukL2KgCBrE8EqwqBKb-KMb9QbATGb9gScbbGeWG0\" 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<p id=\"gzStGhj\"><img alt=\"\" class=\"alignnone size-full wp-image-560\" decoding=\"async\" height=\"140\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18f8700563f.png\" width=\"235\"\/><\/p>\n<h3>4. \u908f\u8f2f\u5340\u584a\uff1a\u66ff\u4ee3\u65b9\u6848\u3001\u8ff4\u5708\u8207\u5e73\u884c<\/h3>\n<p>\u8907\u96dc\u7684\u696d\u52d9\u908f\u8f2f\uff08\u4f8b\u5982 if\/else \u5206\u652f\u3001\u8cc7\u6599\u5eab\u91cd\u8a66\u6216\u5e73\u884c\u57f7\u884c\u7dda\u7a0b\uff09\u5fc5\u9808\u5305\u88dd\u5728 UML \u5716\u8868\u898f\u7bc4\u4e2d\u7a31\u70ba\u7d44\u5408\u7247\u6bb5\u7684\u7d50\u69cb\u5316\u5168\u57df\u6846\u67b6\u908a\u754c\u5167\uff1a<\/p>\n<ul>\n<li><strong>\u689d\u4ef6\u908f\u8f2f\uff08alt \/ else\uff09\uff1a<\/strong> \u6a21\u578b\u689d\u4ef6\u5206\u652f\u3002\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\/editor\/#plantuml:NSmn2e0m44JHNl0EWxqNi13q11PU82GZ1a8MTpTuVRNrz--7uh0M8ysELX2bfknPQj_XRS4uOyM4OLE9PCAT_OJoQZGV-ex5Y2FaqfGm3yu_t4-L6rGLVU-97whf0G00\" 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\/editor\/#plantuml:IymfKNZMCU5fr_ndY-O-sRsDbqi121mLTEqKd1Ii59IUxzppV5VFYvbJdqzeUx6w-zd69YLUhjISubI5fqisFfiw_NbtmxFMRdHTpxgxdxRlUjcp_iMg9KzsBtw-Q0z8LruA0000\" \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\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">alt \u6210\u529f\u689d\u4ef6\r\n    A -&gt; B : \"\u7e7c\u7e8c\u8655\u7406\u8acb\u6c42\"\r\nelse \u5931\u6557\u72c0\u614b\r\n    A -&gt; B : \"\u62cb\u51fa\u932f\u8aa4\u4ee3\u78bc\"\r\nend<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:IymfKNZMCU5fr_ndY-O-sRsDbqi121mLTEqKd1Ii59IUxzppV5VFYvbJdqzeUx6w-zd69YLUhjISubI5fqisFfiw_NbtmxFMRdHTpxgxdxRlUjcp_iMg9KzsBtw-Q0z8LruA0000\" \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\/editor\/#plantuml:NSmn2e0m44JHNl0EWxqNi13q11PU82GZ1a8MTpTuVRNrz--7uh0M8ysELX2bfknPQj_XRS4uOyM4OLE9PCAT_OJoQZGV-ex5Y2FaqfGm3yu_t4-L6rGLVU-97whf0G00\" 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<p id=\"IiQjPoY\"><img alt=\"\" class=\"alignnone size-full wp-image-561\" decoding=\"async\" height=\"186\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18f87e19b90.png\" width=\"223\"\/><\/p>\n<\/li>\n<li><strong>\u91cd\u8907\u8ff4\u5708\uff08loop\uff09\uff1a<\/strong> \u6a21\u578b\u8fed\u4ee3\u3001\u91cd\u8a66\u6216\u4f47\u5217\u8655\u7406\u5340\u584a\uff0c\u76f4\u5230\u689d\u4ef6\u6eff\u8db3\u70ba\u6b62\u3002\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\/editor\/#plantuml:oydFBr0epIl9p54eB4qjJLN8B5P8pIqegUJbKW22yFoYxDGY1LqxXK2mh9M2abjgINA6GbvgHOb2LdwI4YzNQbuA0000\" 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\/editor\/#plantuml:0Ki0jFziRszm8EURjEM8iEIzX-M8b-U2kkUfkWqA820W85TlScjbSY0jFY1HTMLrPI0w82BbZvRblfVak8lak83bW8lbjwNalPmY3GfbRcG0\" \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\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">loop \u76f4\u5230\u4f47\u5217\u70ba\u7a7a\r\n    Worker -&gt; Queue : \"\u53d6\u5f97\u4e0b\u4e00\u500b\u5de5\u4f5c\"\r\nend<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:0Ki0jFziRszm8EURjEM8iEIzX-M8b-U2kkUfkWqA820W85TlScjbSY0jFY1HTMLrPI0w82BbZvRblfVak8lak83bW8lbjwNalPmY3GfbRcG0\" \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\/editor\/#plantuml:oydFBr0epIl9p54eB4qjJLN8B5P8pIqegUJbKW22yFoYxDGY1LqxXK2mh9M2abjgINA6GbvgHOb2LdwI4YzNQbuA0000\" 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<p id=\"xTCUEgP\"><img loading=\"lazy\" alt=\"\" class=\"alignnone size-full wp-image-562\" decoding=\"async\" height=\"142\" loading=\"lazy\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18f88daf040.png\" width=\"237\"\/><\/p>\n<\/li>\n<li><strong>\u5e73\u884c\u57f7\u884c\uff08par\uff09\uff1a<\/strong> \u6a21\u578b\u5c07\u5728\u7368\u7acb\u7dda\u7a0b\u4e2d\u540c\u6642\u57f7\u884c\u7684\u64cd\u4f5c\u5206\u958b\u3002\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\/editor\/#plantuml:JOmx2iD030LxW-_mS9yBf0ZaKwPAYjHYBGU1zeCa6tpxUBkyRc3cDJAyre96HggiQ5OJkxEF0uvTSRhWMRzljaqIuupfOnACC3gG2kaUadmQ1rRdl-Xnw_AzvYo1j7hKpDRl5r76J46zAVCF\" 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\/editor\/#plantuml:AqWiKdYoOzcBXJrFvsy7ai-sDZvVqStBfG04ZWgwTWe--Ud1gKLbcScf2bOAIa_NhtxQklJ5_hqlTYvvsj7sRDu49Lwkr9pYL2GTBauWbS_w9ppPjUJfkaNFEhQzsDp-RDhCPwkcW1JdfG00\" \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\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">par \u4e26\u884c\u57f7\u884c\u6d41\u7a0b\r\n    A -&gt; LogService : \"\u5beb\u5165\u8ffd\u8e64\u5206\u6790\"\r\nelse\r\n    A -&gt; DB : \"\u63d0\u4ea4\u5ba2\u6236\u8cc7\u6599\u6a94\"\r\nend<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:AqWiKdYoOzcBXJrFvsy7ai-sDZvVqStBfG04ZWgwTWe--Ud1gKLbcScf2bOAIa_NhtxQklJ5_hqlTYvvsj7sRDu49Lwkr9pYL2GTBauWbS_w9ppPjUJfkaNFEhQzsDp-RDhCPwkcW1JdfG00\" \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\/editor\/#plantuml:JOmx2iD030LxW-_mS9yBf0ZaKwPAYjHYBGU1zeCa6tpxUBkyRc3cDJAyre96HggiQ5OJkxEF0uvTSRhWMRzljaqIuupfOnACC3gG2kaUadmQ1rRdl-Xnw_AzvYo1j7hKpDRl5r76J46zAVCF\" 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<p id=\"xCknQAJ\"><img loading=\"lazy\" alt=\"\" class=\"alignnone size-full wp-image-563\" decoding=\"async\" height=\"174\" loading=\"lazy\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18fd43b0677.png\" width=\"295\"\/><\/p>\n<\/li>\n<\/ul>\n<h2>\u6e05\u6670\u5e8f\u5217\u7684\u6700\u4f73\u5be6\u52d9<\/h2>\n<ul>\n<li><strong>\u4f7f\u7528\u5206\u9694\u7dda\u5206\u7d44\u8a0a\u606f\uff1a<\/strong> \u4f7f\u7528\u96d9\u7b49\u865f (&#8220;<code>== \u60a8\u7684\u968e\u6bb5 ==<\/code>) \u4f86\u5c07\u9f90\u5927\u7684\u9a57\u8b49\u81f3\u7d50\u5e33\u5e8f\u5217\u62c6\u5206\u6210\u660e\u78ba\u7684\u908f\u8f2f\u91cc\u7a0b\u7891\u3002<\/li>\n<li><strong>\u4f7f\u7528\u81ea\u52d5\u7de8\u865f\uff1a<\/strong> \u5c07 <code>autonumber<\/code> \u6307\u4ee4\u76f4\u63a5\u653e\u5728 <code>@startuml<\/code>\u3002\u9019\u6703\u5f37\u5236\u5de5\u4f5c\u5340\u5728\u6bcf\u500b\u7bad\u982d\u4e0a\u6a19\u8a18\u6b65\u9a5f\u7de8\u865f\uff0c\u4f7f\u7a0b\u5f0f\u78bc\u5be9\u67e5\u8b8a\u5f97\u66f4\u5bb9\u6613\u3002<\/li>\n<li><strong>\u4fdd\u6301\u56de\u61c9\u7c21\u6f54\uff1a<\/strong> \u907f\u514d\u5728\u56de\u50b3\u7bad\u982d\u4e0a\u5beb\u4e0b\u5197\u9577\u7684\u63cf\u8ff0\u6027\u53e5\u5b50 (<code>--&gt;<\/code>)\u3002\u76f8\u53cd\u5730\uff0c\u53ea\u9700\u6a19\u793a\u50b3\u56de\u7684\u539f\u59cb\u8cc7\u6599\u7269\u4ef6\u6216 HTTP \u72c0\u614b\u78bc (\u4f8b\u5982\uff0c<code>\"201 \u5efa\u7acb Token\"<\/code>).<\/li>\n<\/ul>\n<h2>\u771f\u5be6\u4e16\u754c\u7684 PlantUML \u5e8f\u5217\u5716\u7bc4\u4f8b<\/h2>\n<h3>\u7bc4\u4f8b 1\uff1a\u5fae\u670d\u52d9\u9a57\u8b49\u8ff4\u5708 (Alt \u5340\u584a\u8207\u751f\u547d\u7dda)<\/h3>\n<p>\u6b64\u7bc4\u672c\u8655\u7406\u6a19\u6e96\u5b89\u5168\u6d41\u7a0b\uff0c\u5176\u4e2d\u5ba2\u6236\u7aef\u5c0d\u7db2\u95dc\u9032\u884c\u9a57\u8b49\uff0c\u5c55\u793a\u660e\u78ba\u7684\u751f\u547d\u7dda\u4ee5\u53ca\u5728\u6a19\u6e96 UML \u5716\u8868\u683c\u5f0f\u5167\u7684\u66ff\u4ee3\u689d\u4ef6\u7d50\u679c\u6846\u67b6\u3002<\/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\/editor\/#plantuml:TP5FImCn4CNl2_aEGxmefNGhdZn8YugeXHPtIy_PpTWDpIObVrRqqplJxg47pIN3p8_tNYQBc5H8kRUYK3bvb_i60zLjyW6saUl6PwTL-0QvmmQMnwC45VaMHUjT2jw2NERKGOLXC2sUnzGGXIXO0gOFZCDa0lSWgzpq9i5ZG8qk6MMZ50MFcMAPCxPPLpNCXlcCOdMIfPHDSBKo-owz14G7LMvRZF4pMrZvlN6Y03edYUdeI3gtPGdhTxX-szLG-mEw6pc2R4dSAI617-WqLKygTerNGHE6Dk9ekJ7k0AzkKDReo-n_czwLSzWwJkw3-K7zZsNL-Izu3e5MNNiL4riwpM_LI3zW1fLmtEHbWpU_891-xHS0\" 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\/editor\/#plantuml:XL7FIm915BuFpF_mc2w5Y1gTEeITWWeK4ZolEhJYEYlhhD3DWvO_AWsA48mG34mAxrRupxYpwt_HcrogGz2S7lDzt_k-zrwoAWr7kcMB4iELjd3BEUvWdPUs0ykFXNyx2UfDIdAsAmg6SmOiotEWBje8-9EkzzvZO5HXlrAX96yBwTWMiDNpVV3QLiChhpjOmwuqAQ7ako54zxG68X7O1QPw_ULyhCvlKCKeqO36KHGIqgcJ3CHgYHXcD9dkP5WIDewBfwOyS3WNe5fzh_Fe3zwyvXCbWEzB7WrziCTsF0wf8zWyp6OWOvUus68XKTiXxoSSibUZcJ-UUurwC9geXmLIkLNbeMMwA4gmZkitHkgkzRVZJZm1QZXLrotrqldVR7Kv2wPZt0NMsayKzA05ZhSerWp9mot-_j1RJo8Hx_S9\" \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\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\nautonumber\r\nactor \u4f7f\u7528\u8005\r\nboundary \"Web \u61c9\u7528\u7a0b\u5f0f\" as App\r\ncontrol \"\u9a57\u8b49\u670d\u52d9\" as Auth\r\n\r\n\u4f7f\u7528\u8005 -&gt; App ++ : \"\u63d0\u4ea4\u6191\u8b49\"\r\nApp -&gt; Auth ++ : \"POST \/v1\/auth\"\r\n\r\nalt #LightGreen \u6210\u529f\u767b\u5165\r\n    Auth --&gt; App : \"200 OK (JWT Token)\"\r\n    App --&gt; \u4f7f\u7528\u8005 : \"\u986f\u793a\u5100\u8868\u677f\"\r\nelse #LightPink \u6191\u8b49\u7121\u6548\r\n    Auth --&gt; App : \"401 \u672a\u6388\u6b0a\"\r\n    App --&gt; \u4f7f\u7528\u8005 : \"\u986f\u793a\u932f\u8aa4\u63d0\u793a\"\r\nend\r\n\r\ndeactivate Auth\r\ndeactivate App\r\n@enduml<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:XL7FIm915BuFpF_mc2w5Y1gTEeITWWeK4ZolEhJYEYlhhD3DWvO_AWsA48mG34mAxrRupxYpwt_HcrogGz2S7lDzt_k-zrwoAWr7kcMB4iELjd3BEUvWdPUs0ykFXNyx2UfDIdAsAmg6SmOiotEWBje8-9EkzzvZO5HXlrAX96yBwTWMiDNpVV3QLiChhpjOmwuqAQ7ako54zxG68X7O1QPw_ULyhCvlKCKeqO36KHGIqgcJ3CHgYHXcD9dkP5WIDewBfwOyS3WNe5fzh_Fe3zwyvXCbWEzB7WrziCTsF0wf8zWyp6OWOvUus68XKTiXxoSSibUZcJ-UUurwC9geXmLIkLNbeMMwA4gmZkitHkgkzRVZJZm1QZXLrotrqldVR7Kv2wPZt0NMsayKzA05ZhSerWp9mot-_j1RJo8Hx_S9\" \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\/editor\/#plantuml:TP5FImCn4CNl2_aEGxmefNGhdZn8YugeXHPtIy_PpTWDpIObVrRqqplJxg47pIN3p8_tNYQBc5H8kRUYK3bvb_i60zLjyW6saUl6PwTL-0QvmmQMnwC45VaMHUjT2jw2NERKGOLXC2sUnzGGXIXO0gOFZCDa0lSWgzpq9i5ZG8qk6MMZ50MFcMAPCxPPLpNCXlcCOdMIfPHDSBKo-owz14G7LMvRZF4pMrZvlN6Y03edYUdeI3gtPGdhTxX-szLG-mEw6pc2R4dSAI617-WqLKygTerNGHE6Dk9ekJ7k0AzkKDReo-n_czwLSzWwJkw3-K7zZsNL-Izu3e5MNNiL4riwpM_LI3zW1fLmtEHbWpU_891-xHS0\" 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<p id=\"PVLiNCs\"><img loading=\"lazy\" alt=\"\" class=\"alignnone size-full wp-image-564\" decoding=\"async\" height=\"392\" loading=\"lazy\" sizes=\"auto, (max-width: 455px) 100vw, 455px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18fd5649b30.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18fd5649b30.png 455w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18fd5649b30-300x258.png 300w\" width=\"455\"\/><\/p>\n<p><strong>\u8a9e\u6cd5\u89e3\u6790\uff1a<\/strong> \u9019 <code>\u81ea\u52d5\u7de8\u865f<\/code> \u6a19\u7c64\u6703\u81ea\u52d5\u7ba1\u7406 1 \u5230 5 \u7684\u7de8\u865f\u3002\u9019 <code>alt<\/code> \u548c <code>else<\/code> \u6a21\u584a\u6703\u9644\u52a0\u81ea\u8a02\u7684\u5341\u516d\u9032\u4f4d\u984f\u8272\u6a19\u7c64\uff08\u4f8b\u5982 <code>#LightGreen<\/code>\uff09\uff0c\u4ee5\u7acb\u5373\u5728\u6210\u529f\u8207\u5931\u6557\u7684\u57f7\u884c\u8def\u5f91\u4e4b\u9593\u6dfb\u52a0\u8996\u89ba\u5f37\u8abf\u3002\u9019 <code>++<\/code> \u6a19\u7c64\u78ba\u4fdd\u751f\u547d\u7dda\u5728\u7db2\u8def\u547c\u53eb\u5340\u584a\u671f\u9593\u4fdd\u6301\u6d3b\u8e8d\u3002<\/p>\n<h3>\u7bc4\u4f8b 2\uff1a\u9032\u968e\u8a02\u55ae\u8655\u7406\uff08\u8ff4\u5708\u3001\u5e73\u884c\u8207\u5206\u9694\uff09<\/h3>\n<p>\u6b64\u4f01\u696d\u67b6\u69cb\u85cd\u5716\u6a21\u64ec\u4e86\u4e00\u500b\u5f37\u5927\u7684\u7d50\u5e33\u7cfb\u7d71\uff0c\u53ef\u5c07\u4efb\u52d9\u5206\u5272\u81f3\u5e73\u884c\u5de5\u4f5c\u4eba\u54e1\uff0c\u57f7\u884c\u8cc7\u6599\u5eab\u5beb\u5165\uff0c\u4e26\u4f9d\u8cf4\u5916\u90e8\u7cfb\u7d71\u7684\u540c\u6b65\u8ff4\u5708\u3002<\/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\/editor\/#plantuml:PL9HQzim47ut-3ySVbWsIg3htW8fJHpA2gFr5dTz7B9qYKLaoPoaZkpNxoHxfM5waT3TVTzttzsT3u9274nPY1YSZKE7L1QTYrO9EaDLzoXFBWROD0yL29_kib0YY4vuXEg959A7tJO7TzkoaCu6SWQg5qSd9FWUCMAEvjTxy7qWFKwnwLaMPR5UGzCdxCyhQ4bOBsJGpi8tL4U6-ocCPlhqirwN1Sk1vIqJmzKLh9YKT41eq2fjZv3LLMN1uILdvUHbIii1UDX1xUn1qu2gkk2-MK4ZpWFQ01zWuyzMmdqq1srC_dl7F0cVsUjUq16XZZwuWGasKdApWR7dj4iL_oWsCVIEz9zPnIY8sKaOWmQsGfwEb2o3fn4fT-xB0lZC2hAjiu0cTaRx7XQvmL-D4HBL0l0LiufKfJ0P-YhOfdaWQ3nU8Bwv-JogbCTB4gA7u63H2AqM_oEbmRFdIRrnReGV6EYS9l0yGklW2xHwG0yyj4SCltanu5ve4-cIDrsfYLJuw88-Q3bDUfy6y89TxzofUcEQZBo5skZa8bSoRIGBNzksWPlhQ_YuZrAYzv-uw8whUD7_0W00\" 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\/editor\/#plantuml:PPBDJjj058NtblmELzvaWI9HkgiK12sBicgg8dLPJU9H6zNOaMDNwYuAIkEGW29L16nI41HNfUId9IMX9l0qdl5ubLVes4uHKRqPI_VSynsTcPMIWNJ3t5H40Pc6ffgREQoBGaupLHdf7q4AhbhaUWYhsNK9K2awHK561igX4WQ9VQ-GTfyDQxHj4-yYbgmz5OMyfXgwfe14ngv_s_5lQyJQZwSlJMpYXu1NXbueudYM_8g2A6Go43gxj7y5ZwOJn_VEwC5d7eDskk7vFklL8PCH1Pu5qikS1miBy8Ip1XUawfAxAhFtWjQd99ia2boGvhfOdew4oGJMru2CBuDJZ_tOaUQfIn7rve1sxvXL2xySaLQJzbpoosKdpOVi9F6CJ-jV-GBfdr9h58MrHjnrffWFa5XpEDsrQ7SxXXUH3kJFa0FOLfFQ0ruRTNkY0FoRqUBkPh30df3hBKYzq6MilyagA8_b5FXUmx-9iD6MZ57UA7n01lxNEbPAUCxnlZjw-9ksVmQDCgqsWee7AHukIPdwtoswOQpAKMf5queGZ2xPU43tgg7JeNQ5Tihap0bhE-py6pm6sZsPOqO79sOBwbi8oqvmx2RjmckSUwTfxwLxywImPNYc5B1gn5TyU4GgGtY-iP65fSN5wSIYLeji7qydTRwsmlVuK_uB\" \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\"><code class=\"language-plantuml\" data-language=\"plantuml\" class=\"language-plantuml\">@startuml\r\nautonumber\r\nboundary \"\u7d50\u5e33 API\" as API\r\ndatabase \"\u8a02\u55ae\u8cc7\u6599\u5eab\" as DB\r\ncontrol \"\u5de5\u4f5c\u4f47\u5217\" as Queue\r\nboundary \"Stripe\" as Stripe\r\n\r\n== \u968e\u6bb5 1\uff1a\u4ea4\u6613\u5e33\u672c\u9a57\u8b49 ==\r\nAPI -&gt; DB ++ : \"\u5beb\u5165\u5f85\u8655\u7406\u8a02\u55ae\"\r\nDB --&gt; API -- : \"\u8a02\u55ae ID \u5df2\u78ba\u8a8d\"\r\n\r\n== \u968e\u6bb5 2\uff1a\u4ed8\u6b3e\u8207\u975e\u540c\u6b65\u5c65\u884c ==\r\nAPI -&gt; Stripe ++ : \"\u6263\u6b3e\u5ba2\u6236\u5e33\u6236\"\r\nStripe --&gt; API -- : \"\u4ed8\u6b3e\u5df2\u6388\u6b0a\"\r\n\r\npar \u5e73\u884c\u80cc\u666f\u4f5c\u696d\r\n    API -&gt; Queue ++ : \"\u767c\u5e03 'Order_Placed' \u4e8b\u4ef6\"\r\n    deactivate Queue\r\nelse\r\n    API -&gt; DB ++ : \"\u66f4\u65b0\u72c0\u614b\u70ba '\u5df2\u4ed8\u6b3e'\"\r\n    deactivate DB\r\nend\r\n\r\nloop \u7db2\u8def\u6545\u969c\u6642\u6700\u591a\u91cd\u8a66 3 \u6b21\r\n    API -&gt; API : \"Ping \u901a\u77e5\u540c\u6b65 Webhook\"\r\nend\r\n\r\nAPI --&gt; Client : \"\u56de\u50b3 HTTP 200\uff08\u6210\u529f\uff09\"\r\n@enduml<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:PPBDJjj058NtblmELzvaWI9HkgiK12sBicgg8dLPJU9H6zNOaMDNwYuAIkEGW29L16nI41HNfUId9IMX9l0qdl5ubLVes4uHKRqPI_VSynsTcPMIWNJ3t5H40Pc6ffgREQoBGaupLHdf7q4AhbhaUWYhsNK9K2awHK561igX4WQ9VQ-GTfyDQxHj4-yYbgmz5OMyfXgwfe14ngv_s_5lQyJQZwSlJMpYXu1NXbueudYM_8g2A6Go43gxj7y5ZwOJn_VEwC5d7eDskk7vFklL8PCH1Pu5qikS1miBy8Ip1XUawfAxAhFtWjQd99ia2boGvhfOdew4oGJMru2CBuDJZ_tOaUQfIn7rve1sxvXL2xySaLQJzbpoosKdpOVi9F6CJ-jV-GBfdr9h58MrHjnrffWFa5XpEDsrQ7SxXXUH3kJFa0FOLfFQ0ruRTNkY0FoRqUBkPh30df3hBKYzq6MilyagA8_b5FXUmx-9iD6MZ57UA7n01lxNEbPAUCxnlZjw-9ksVmQDCgqsWee7AHukIPdwtoswOQpAKMf5queGZ2xPU43tgg7JeNQ5Tihap0bhE-py6pm6sZsPOqO79sOBwbi8oqvmx2RjmckSUwTfxwLxywImPNYc5B1gn5TyU4GgGtY-iP65fSN5wSIYLeji7qydTRwsmlVuK_uB\" \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\/editor\/#plantuml:PL9HQzim47ut-3ySVbWsIg3htW8fJHpA2gFr5dTz7B9qYKLaoPoaZkpNxoHxfM5waT3TVTzttzsT3u9274nPY1YSZKE7L1QTYrO9EaDLzoXFBWROD0yL29_kib0YY4vuXEg959A7tJO7TzkoaCu6SWQg5qSd9FWUCMAEvjTxy7qWFKwnwLaMPR5UGzCdxCyhQ4bOBsJGpi8tL4U6-ocCPlhqirwN1Sk1vIqJmzKLh9YKT41eq2fjZv3LLMN1uILdvUHbIii1UDX1xUn1qu2gkk2-MK4ZpWFQ01zWuyzMmdqq1srC_dl7F0cVsUjUq16XZZwuWGasKdApWR7dj4iL_oWsCVIEz9zPnIY8sKaOWmQsGfwEb2o3fn4fT-xB0lZC2hAjiu0cTaRx7XQvmL-D4HBL0l0LiufKfJ0P-YhOfdaWQ3nU8Bwv-JogbCTB4gA7u63H2AqM_oEbmRFdIRrnReGV6EYS9l0yGklW2xHwG0yyj4SCltanu5ve4-cIDrsfYLJuw88-Q3bDUfy6y89TxzofUcEQZBo5skZa8bSoRIGBNzksWPlhQ_YuZrAYzv-uw8whUD7_0W00\" 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<p id=\"tlfOsjb\"><img loading=\"lazy\" alt=\"\" class=\"alignnone size-full wp-image-565\" decoding=\"async\" height=\"605\" loading=\"lazy\" sizes=\"auto, (max-width: 601px) 100vw, 601px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18fd66d33a0.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18fd66d33a0.png 601w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18fd66d33a0-298x300.png 298w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18fd66d33a0-150x150.png 150w\" width=\"601\"\/><\/p>\n<p><strong>\u8a9e\u6cd5\u89e3\u6790\uff1a<\/strong> \u9019 <code>==<\/code> \u5206\u9694\u7b26\u5c07\u4f48\u5c40\u5206\u5272\u70ba\u4e0d\u540c\u7684\u64cd\u4f5c\u968e\u6bb5\u3002\u9019 <code>par<\/code> \u5340\u584a\u6703\u4e7e\u6de8\u5730\u5f9e\u8a0a\u606f\u7bad\u982d\u8def\u5f91\u5206\u51fa\u5169\u689d\u7368\u7acb\u7684\u6c34\u5e73\u8def\u5f91\uff0c\u986f\u793a\u4e8b\u4ef6\u767c\u4f48\u8207\u8cc7\u6599\u5eab\u72c0\u614b\u66f4\u65b0\u540c\u6642\u767c\u751f\uff0c\u5f7c\u6b64\u4e0d\u6703\u963b\u585e\u3002\u81ea\u6307\u5411\u7bad\u982d\uff08<code>API -&gt; API<\/code>\uff09\u80fd\u5b8c\u7f8e\u5c0d\u61c9\u5230\u672c\u5730\u5167\u90e8\u5be6\u4f8b\u51fd\u6578\u8ff4\u5708\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ec0\u9ebc\u662f\u5e8f\u5217\u5716\uff1f \u4e00\u500b\u5e8f\u5217\u5716\u662f\u4e00\u7a2e\u884c\u70baUML \u5716\u8a73\u7d30\u63cf\u8ff0\u4e86\u8edf\u9ad4\u64cd\u4f5c\u5982\u4f55\u96a8\u6642\u9593\u9032\u884c\u3002&#8230;<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":3,"template":"","meta":{"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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