{"id":2124,"date":"2026-05-26T07:01:24","date_gmt":"2026-05-26T07:01:24","guid":{"rendered":"https:\/\/www.vpascode.com\/cn\/docs\/uncategorized\/plantuml-class-diagram-syntax-guide\/"},"modified":"2026-05-26T07:01:24","modified_gmt":"2026-05-26T07:01:24","slug":"plantuml-class-diagram-syntax-guide","status":"publish","type":"ld_docs","link":"https:\/\/www.vpascode.com\/cn\/docs\/vpascode-docs\/plantuml-class-diagram-syntax-guide\/","title":{"rendered":"PlantUML \u7c7b\u56fe\u8bed\u6cd5\u6307\u5357"},"content":{"rendered":"<h2>\u4ec0\u4e48\u662f\u7c7b\u56fe\uff1f<\/h2>\n<p>UML <strong>\u7c7b\u56fe<\/strong>\u662f\u9762\u5411\u5bf9\u8c61\u5efa\u6a21\u7684\u57fa\u7840\u7ed3\u6784\u84dd\u56fe\u3002\u5b83\u901a\u8fc7\u53ef\u89c6\u5316\u7cfb\u7edf\u7684\u7c7b\u3001\u5176\u5185\u90e8\u5c5e\u6027\uff08\u6570\u636e\u5b57\u6bb5\uff09\u3001\u65b9\u6cd5\uff08\u51fd\u6570\uff09\u4ee5\u53ca\u5b83\u4eec\u4e4b\u95f4\u7684\u7ed3\u6784\u5173\u7cfb\uff0c\u6765\u63cf\u7ed8\u4e00\u4e2a\u8f6f\u4ef6\u7cfb\u7edf\u3002\u5c3d\u7ba1\u4ee3\u7801\u5e93\u53ef\u80fd\u53d8\u5f97\u5e9e\u5927\u4e14\u96be\u4ee5\u89e3\u6790\uff0c\u4f46\u4e00\u4e2a\u6e05\u6670\u7684\u7c7b\u56fe\u80fd\u4e3a\u5de5\u7a0b\u5e08\u63d0\u4f9b\u5373\u65f6\u7684\u89c6\u89c9\u53c2\u8003\uff0c\u4e86\u89e3\u4ee3\u7801\u5bf9\u8c61\u5982\u4f55\u4ea4\u4e92\u3001\u7ee7\u627f\u884c\u4e3a\u4ee5\u53ca\u7ba1\u7406\u6570\u636e\u8fb9\u754c\u3002<\/p>\n<p>\u4f7f\u7528 <strong>VPasCode<\/strong>\uff0c\u60a8\u53ef\u4ee5\u5b8c\u5168\u4f7f\u7528\u7eaf\u6587\u672c\u8bbe\u8ba1\u8be6\u7ec6\u7684\u7c7b\u5e03\u5c40\uff0c\u5c06\u5e03\u5c40\u5de5\u7a0b\u3001\u6846\u4f53\u5927\u5c0f\u548c\u884c\u95f4\u8ddd\u5b8c\u5168\u4ea4\u7531\u6211\u4eec\u96c6\u6210\u7684\u4e91\u5f15\u64ce\u5904\u7406\u3002<\/p>\n<h2>\u6838\u5fc3\u8bed\u6cd5\u6307\u5357\uff1a\u5143\u7d20\u4e0e\u6784\u9020<\/h2>\n<p>\u8981\u7f16\u5199\u9ad8\u8d28\u91cf\u7684\u7c7b\u56fe\uff0c\u60a8\u9700\u8981\u7406\u89e3\u4e09\u4e2a\u6838\u5fc3\u7ed3\u6784\u6807\u8bb0\uff1a\u5b9a\u4e49\u7c7b\u4f53\u3001\u4e3a\u6210\u5458\u5206\u914d\u53ef\u89c1\u6027\u4fee\u9970\u7b26\u4ee5\u53ca\u6620\u5c04\u5bf9\u8c61\u5173\u7cfb\u3002<\/p>\n<h3>1. \u58f0\u660e\u7c7b\u548c\u6210\u5458<\/h3>\n<p>\u60a8\u4f7f\u7528 <code>class<\/code>\u5173\u952e\u5b57\u58f0\u660e\u4e00\u4e2a\u6807\u51c6\u7684\u5bf9\u8c61\u84dd\u56fe\u3002\u5728\u5c3e\u968f\u7684\u5927\u62ec\u53f7\u5185\uff0c\u60a8\u5c06\u5b57\u6bb5\u548c\u65b9\u6cd5\u5206\u522b\u5217\u5728\u4e0d\u540c\u7684\u884c\u4e0a\uff1a<\/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:Iyv9B2vMS2ujBidFJIroJ4xEByqhKQZcvL80Wk2IeioyT8L4YAXd2efeQcvYPevZIafHQd4nHC8fFpydDJ5F8RFOCRaaionLGvENgnO0\" 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\u7f16\u8f91 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:Iyv9B2vMS2ujBidFJIroJ4xEByqhKQZcvL80Wk2IeioyT8L4YAXd2efeQcvYPevZIafHQd4nHC8fFpydDJ5F8RFOCRaaionLGvENgnO0\" \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\">class CustomerAccount {\r\n    String accountId\r\n    String emailAddress\r\n    Boolean isActive()\r\n}<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:Iyv9B2vMS2ujBidFJIroJ4xEByqhKQZcvL80Wk2IeioyT8L4YAXd2efeQcvYPevZIafHQd4nHC8fFpydDJ5F8RFOCRaaionLGvENgnO0\" \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:Iyv9B2vMS2ujBidFJIroJ4xEByqhKQZcvL80Wk2IeioyT8L4YAXd2efeQcvYPevZIafHQd4nHC8fFpydDJ5F8RFOCRaaionLGvENgnO0\" 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\u7f16\u8f91 Plantuml<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"jJoXQKj\"><img alt=\"\" class=\"alignnone size-full wp-image-556\" decoding=\"async\" height=\"98\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18f7f4a1288.png\" width=\"159\"\/><\/p>\n<h3>2. \u53ef\u89c1\u6027\u4fee\u9970\u7b26\uff08\u8bbf\u95ee\u63a7\u5236\uff09<\/h3>\n<p>PlantUML \u4f7f\u7528\u7b80\u5355\u7684\u6587\u672c\u524d\u7f00\uff0c\u5728\u5b57\u6bb5\u6216\u65b9\u6cd5\u540d\u79f0\u4e4b\u524d\uff0c\u6620\u5c04\u6807\u51c6\u7684\u9762\u5411\u5bf9\u8c61\u5c01\u88c5\u89c4\u5219\uff08public\u3001private\u3001protected \u548c package-private\uff09\uff1a<\/p>\n<ul>\n<li><code>+<\/code> \u660e\u786e\u7684\u516c\u5171\u8bbf\u95ee\uff08\u4efb\u4f55\u5176\u4ed6\u7c7b\u5747\u53ef\u8bbf\u95ee\uff09<\/li>\n<li><code>-<\/code> \u4e25\u683c\u7684\u79c1\u6709\u8bbf\u95ee\uff08\u4ec5\u5728\u6b64\u7279\u5b9a\u7c7b\u5185\u53ef\u8bbf\u95ee\uff09<\/li>\n<li><code>#<\/code> \u53d7\u4fdd\u62a4\u7684\u8bbf\u95ee\uff08\u5728\u6b64\u7c7b\u53ca\u5176\u5b50\u7c7b\u4e2d\u53ef\u8bbf\u95ee\uff09<\/li>\n<li><code>~<\/code> \u5305\/\u5185\u90e8\u8bbf\u95ee\uff08\u4ec5\u5728\u672c\u5730\u4ee3\u7801\u6a21\u5757\u5185\u53ef\u8bbf\u95ee\uff09<\/li>\n<\/ul>\n<h3>3. \u5b9a\u4e49\u5bf9\u8c61\u5173\u7cfb<\/h3>\n<p>\u8fde\u63a5\u7c7b\u9700\u8981\u4f7f\u7528\u7279\u5b9a\u7684\u7bad\u5934\u7b26\u53f7\u6765\u8868\u793a\u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801\u7684\u7ed3\u6784\u4f9d\u8d56\u6216\u7ec4\u5408\u5173\u7cfb\uff1a<\/p>\n<ul>\n<li><strong>\u7ee7\u627f\/\u6cdb\u5316\uff08\u662f-\u4e00\u79cd\uff09\uff1a<\/strong> \u4f7f\u7528\u4e00\u4e2a\u5f00\u53e3\u7684\u4e09\u89d2\u5f62\u7bad\u5934\uff0c\u6307\u5411\u7236\u7c7b\uff1a<code>\u5b50\u7c7b --|&gt; \u7236\u7c7b<\/code><\/li>\n<li><strong>\u5b9e\u73b0\/\u5b9e\u73b0\uff1a<\/strong> \u4f7f\u7528\u865a\u7ebf\u548c\u5f00\u53e3\u4e09\u89d2\u5f62\u6765\u8868\u793a\u63a5\u53e3\u7684\u5b9e\u73b0\uff1a<code>\u5177\u4f53\u7c7b ..|&gt; \u63a5\u53e3<\/code><\/li>\n<li><strong>\u7ec4\u5408\uff08\u4e25\u683c\u62e5\u6709\uff09\uff1a<\/strong> \u4f7f\u7528\u5b9e\u5fc3\u83f1\u5f62\u8868\u793a\u5b50\u5bf9\u8c61\u4e0d\u80fd\u8131\u79bb\u7236\u5bb9\u5668\u800c\u5b58\u5728\uff1a<code>\u7236\u7c7b *-- \u5b50\u7c7b<\/code><\/li>\n<li><strong>\u805a\u5408\uff08\u5171\u4eab\u96c6\u5408\uff09\uff1a<\/strong> \u4f7f\u7528\u5f00\u53e3\u83f1\u5f62\u8868\u793a\u4e34\u65f6\u7684\u96c6\u5408\u5173\u7cfb\uff1a<code>\u90e8\u95e8 o-- \u5458\u5de5<\/code><\/li>\n<\/ul>\n<h2>\u5b9e\u7528\u7c7b\u56fe\u7684\u6700\u4f73\u5b9e\u8df5<\/h2>\n<ul>\n<li><strong>\u4f7f\u7528\u62bd\u8c61\u7c7b\u533a\u5206\u5e03\u5c40\uff1a<\/strong> \u4f7f\u7528 <code>\u62bd\u8c61\u7c7b<\/code> \u6216 <code>\u63a5\u53e3<\/code> \u5173\u952e\u5b57\uff0c\u4ee5\u5728\u89c6\u89c9\u4e0a\u533a\u5206\u4f60\u7684\u7ed3\u6784\u8fb9\u754c\u4e0e\u5177\u4f53\u7684\u6570\u636e\u5e93\u6a21\u578b\u3002<\/li>\n<li><strong>\u5c3d\u65e9\u6807\u6ce8\u591a\u91cd\u6027\uff1a<\/strong> \u59cb\u7ec8\u5728\u5173\u7cfb\u7bad\u5934\u7684\u4e24\u7aef\u6dfb\u52a0\u6570\u503c\u591a\u91cd\u6027\uff08\u4f8b\u5982 <code>\"1\"<\/code> \u6216 <code>\"0..*\"<\/code>\uff09\u4ee5\u660e\u786e\u5411\u5f00\u53d1\u8005\u5c55\u793a\u6570\u636e\u7ea6\u675f\u3002<\/li>\n<li><strong>\u63a7\u5236\u5782\u76f4\u95f4\u8ddd\uff1a<\/strong> \u7c7b\u56fe\u53ef\u80fd\u4f1a\u53d8\u5f97\u975e\u5e38\u9ad8\u3002\u5982\u679c\u5e03\u5c40\u5728\u5782\u76f4\u65b9\u5411\u4e0a\u62c9\u4f38\u8fc7\u957f\uff0c\u5c06\u53cc\u7834\u6298\u53f7\uff08<code>--<\/code>\uff09\u66ff\u6362\u4e3a\u5355\u7834\u6298\u53f7\uff08<code>-<\/code>) \u653e\u5728\u5173\u7cfb\u7bad\u5934\u5185\uff0c\u4ee5\u5f3a\u5236\u5e76\u6392\u6c34\u5e73\u5bf9\u9f50\u3002<\/li>\n<\/ul>\n<h2>\u73b0\u5b9e\u4e16\u754c\u4e2d\u7684 PlantUML \u7c7b\u56fe\u793a\u4f8b<\/h2>\n<h3>\u793a\u4f8b 1\uff1a\u7535\u5b50\u5546\u52a1\u9886\u57df\u6a21\u578b\uff08\u53ef\u89c1\u6027\u4e0e\u5c01\u88c5\uff09<\/h3>\n<p>\u6b64\u84dd\u56fe\u5c55\u793a\u4e86\u6807\u51c6\u8bbf\u95ee\u4fee\u9970\u7b26\u3001\u57fa\u672c\u6570\u636e\u5bf9\u8c61\uff0c\u4ee5\u53ca\u6838\u5fc3\u5728\u7ebf\u8d2d\u7269\u5b9e\u4f53\u4e4b\u95f4\u7684\u57fa\u672c\u6570\u636e\u591a\u91cd\u6027\u6620\u5c04\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:NP3D2W8n38JlXRv3w4bTTj6h1n7PYo1uM7s0s4OjTDkbFug8xsxzAO8vJeRv9bc6Y3wctd0c3OO0-q0Uxfn1dXgwwBKzGShYMls9PmndKXr9J_6pgc3bd26qS26lZxUDEsax-jgr7L8SS_RWhB2sNlrWLSbrBxNGAcWn4aJTKsxQ3wL3wzB144WqCfdisBc8PbJYtqU8cO2wNe2ODir4V65p48D1IG7GAd1N6mHdIx8gl-09\" 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\u7f16\u8f91 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:NP0z2W8n48NxGEumf5AN5MqjH6GRGR1G3n1tHmra4ycF8E81H2pjRBs2w7tKSnX_Wk2KRnxlUpCTwxXnlfIKv99R2sEB1jQKG9WKXiu8DGCVn5xn9ywvdMCnnDoW-wmIw6ejaIjOeX7JLL_FXAfyxK8jlAjIig4aiWQc-C6IcAjVQgGba767u4I9eMcvY1qoxISI8USozp8uHjfnMOdnxoDOaq6Qje4rwlKQ-y9Qm6wNtNr_k5_FZztfSTmoIZgeYl229m00\" \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\nclass User {\r\n    - String userId\r\n    - String hashedSecret\r\n    + Boolean verifyLogin(String input)\r\n}\r\n\r\nclass Order {\r\n    + String orderId\r\n    + Date timestamp\r\n    - Double calculateTotal()\r\n}\r\n\r\nUser \"1\" --&gt; \"0..*\" Order : \"\u4e0b\u5355\u5e76\u62e5\u6709\"\r\n@enduml<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:NP0z2W8n48NxGEumf5AN5MqjH6GRGR1G3n1tHmra4ycF8E81H2pjRBs2w7tKSnX_Wk2KRnxlUpCTwxXnlfIKv99R2sEB1jQKG9WKXiu8DGCVn5xn9ywvdMCnnDoW-wmIw6ejaIjOeX7JLL_FXAfyxK8jlAjIig4aiWQc-C6IcAjVQgGba767u4I9eMcvY1qoxISI8USozp8uHjfnMOdnxoDOaq6Qje4rwlKQ-y9Qm6wNtNr_k5_FZztfSTmoIZgeYl229m00\" \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:NP3D2W8n38JlXRv3w4bTTj6h1n7PYo1uM7s0s4OjTDkbFug8xsxzAO8vJeRv9bc6Y3wctd0c3OO0-q0Uxfn1dXgwwBKzGShYMls9PmndKXr9J_6pgc3bd26qS26lZxUDEsax-jgr7L8SS_RWhB2sNlrWLSbrBxNGAcWn4aJTKsxQ3wL3wzB144WqCfdisBc8PbJYtqU8cO2wNe2ODir4V65p48D1IG7GAd1N6mHdIx8gl-09\" 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\u7f16\u8f91 PlantUML<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"yEsJYYQ\"><img fetchpriority=\"high\" alt=\"\" class=\"alignnone size-full wp-image-557\" decoding=\"async\" fetchpriority=\"high\" height=\"273\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18f8074ea12.png\" width=\"259\"\/><\/p>\n<p><strong>\u8bed\u6cd5\u89e3\u6790\uff1a<\/strong> \u8be5 <code>-<\/code> \u524d\u7f00\u786e\u4fdd\u50cf\u51ed\u636e\u8fd9\u6837\u7684\u654f\u611f\u5b57\u6bb5\u5728 <code>User<\/code> \u7c7b\u5757\u5185\u4e25\u683c\u79c1\u6709\uff0c\u800c\u516c\u5171\u8bbf\u95ee\u51fd\u6570\u4f7f\u7528 <code>+<\/code> \u6807\u8bb0\u3002\u8fde\u63a5\u5b57\u7b26\u4e32\u660e\u786e\u6307\u51fa\uff0c\u4e00\u4e2a\u7528\u6237\u53ef\u4ee5\u65e0\u7f1d\u5730\u67e5\u627e\u96f6\u4e2a\u6216\u591a\u4e2a\u8ba2\u5355\u3002<\/p>\n<h3>\u793a\u4f8b 2\uff1a\u9ad8\u7ea7\u652f\u4ed8\u7f51\u5173\uff08\u7ee7\u627f\u4e0e\u63a5\u53e3\uff09<\/h3>\n<p>\u6b64\u5168\u9762\u7684\u8f6f\u4ef6\u5de5\u7a0b\u56fe\u5c55\u793a\u4e86\u5982\u4f55\u5728\u4e00\u4e2a\u7edf\u4e00\u6846\u67b6\u5185\u7ec4\u7ec7\u63a5\u53e3\u3001\u7c7b\u7ee7\u627f\u5faa\u73af\u4ee5\u53ca\u590d\u6742\u7ec4\u5408\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:jP9DJiCm48Ntbd87Iom8eFG8g2r_Gh2er7A0gJCqLXsFvHc3mi_TSIaHJGixyCv-Ot_FCs_C0b5IwmfblM1y18FwTWPTYrvcaGmoKzIlXT9vdUafaKFm6f8q5EqBJbfANifBIak7sW0t9ttj4zawdmH94Q-JhxdCqdkX2WLBbWX6j770hAV0U0E2pz3rf2CzbsZzIhSOJGDU9i7UORSdegy3PTyFqGsWZbQB29upmf8llwe3T8wWxarisHijxDEh7i2VweBMwF-s0rjuxlCCt6_mx3U0ksh1kl-0pniA8NCkSW2-sVUMHLl1beVlD6ZMbAGyp0RwbVNOltsySPzCXeBJ4Hri9i2D3Rh6p8tRVQ5sPpuQlPqVXgvGmzbKLQxQkLQeOViEzS4FJwlg9yOuPoZ7_mC0\" 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\u7f16\u8f91 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:jP8zJWCn48NxbVOEbYXOG9iZe2Jy2K4HAU40azqXQyNhiUmnQFdfeAMXeQBX0aWfEK-IQs08Ax89TE3IRppVyynhEmRBlbHn93MZFOSCnN4FgX8rzonbw1nPSHr78fmTqILI25g0vuAilC9EILvpiaz-g51au8gjklQ2P1vk37kBXrxdBWdIRHp54GmTMyXOP0gS4rrmU0ICbr3Lf0tHPolrI9Heim8qTumymMf5H9qR2hxFh6f05Oq65hGB24aw-QesK2c2l3QnO7zePfMUrW3tgGveZFfl9x20XpdtGFq63tuDg8CIfFeFUByWOm9dBmJWctqg7Gl9MBfcdmApCNbErhE1UYGrrhqtnVpjSVPyDxsVp2TlqvVNsTD372rlkDMwsLsFM1mrDv6ceMhfMHmrXxMkD_wpdQO_CTeXCI7ixm00\" \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\ninterface IPaymentProcessor {\r\n    + Boolean authorizeAmount(Double cash)\r\n    + void captureFunds()\r\n}\r\n\r\nabstract class BaseGateway {\r\n    # String merchantApiKey\r\n    # String endpointUrl\r\n    + void logTransaction(String payload)\r\n}\r\n\r\nclass StripeGateway {\r\n    - String stripeToken\r\n    + Boolean authorizeAmount(Double cash)\r\n    + void captureFunds()\r\n}\r\n\r\nclass PayPalGateway {\r\n    - String paypalEmail\r\n    + Boolean authorizeAmount(Double cash)\r\n    + void captureFunds()\r\n}\r\n\r\nclass ShoppingCart {\r\n    - List items\r\n    + void checkout(IPaymentProcessor engine)\r\n}\r\n\r\n' \u7ed3\u6784\u5173\u7cfb\u58f0\u660e\r\nBaseGateway ..|&gt; IPaymentProcessor\r\nStripeGateway --|&gt; BaseGateway\r\nPayPalGateway --|&gt; BaseGateway\r\nShoppingCart *-- IPaymentProcessor\r\n@enduml<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#plantuml:jP8zJWCn48NxbVOEbYXOG9iZe2Jy2K4HAU40azqXQyNhiUmnQFdfeAMXeQBX0aWfEK-IQs08Ax89TE3IRppVyynhEmRBlbHn93MZFOSCnN4FgX8rzonbw1nPSHr78fmTqILI25g0vuAilC9EILvpiaz-g51au8gjklQ2P1vk37kBXrxdBWdIRHp54GmTMyXOP0gS4rrmU0ICbr3Lf0tHPolrI9Heim8qTumymMf5H9qR2hxFh6f05Oq65hGB24aw-QesK2c2l3QnO7zePfMUrW3tgGveZFfl9x20XpdtGFq63tuDg8CIfFeFUByWOm9dBmJWctqg7Gl9MBfcdmApCNbErhE1UYGrrhqtnVpjSVPyDxsVp2TlqvVNsTD372rlkDMwsLsFM1mrDv6ceMhfMHmrXxMkD_wpdQO_CTeXCI7ixm00\" \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:jP9DJiCm48Ntbd87Iom8eFG8g2r_Gh2er7A0gJCqLXsFvHc3mi_TSIaHJGixyCv-Ot_FCs_C0b5IwmfblM1y18FwTWPTYrvcaGmoKzIlXT9vdUafaKFm6f8q5EqBJbfANifBIak7sW0t9ttj4zawdmH94Q-JhxdCqdkX2WLBbWX6j770hAV0U0E2pz3rf2CzbsZzIhSOJGDU9i7UORSdegy3PTyFqGsWZbQB29upmf8llwe3T8wWxarisHijxDEh7i2VweBMwF-s0rjuxlCCt6_mx3U0ksh1kl-0pniA8NCkSW2-sVUMHLl1beVlD6ZMbAGyp0RwbVNOltsySPzCXeBJ4Hri9i2D3Rh6p8tRVQ5sPpuQlPqVXgvGmzbKLQxQkLQeOViEzS4FJwlg9yOuPoZ7_mC0\" 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\u7f16\u8f91 PlantUML<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"RieZgUQ\"><img alt=\"\" class=\"alignnone size-full wp-image-558\" decoding=\"async\" height=\"396\" sizes=\"(max-width: 819px) 100vw, 819px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18f81c9dd3d.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18f81c9dd3d.png 819w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18f81c9dd3d-300x145.png 300w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18f81c9dd3d-768x371.png 768w\" width=\"819\"\/><\/p>\n<p><strong>\u8bed\u6cd5\u89e3\u6790\uff1a<\/strong> \u8be5 <code>..|&gt;<\/code> \u7b26\u53f7\u8868\u660e\u62bd\u8c61\u7c7b\u5b9e\u73b0\u4e86\u6211\u4eec\u7684\u4e3b\u8981\u6839\u63a5\u53e3\u3002\u5b9e\u5fc3\u4e09\u89d2\u5f62\u7ebf\uff08<code>--|&gt;<\/code>\uff09\u5c06\u5b50\u7f51\u5173\u6e05\u6670\u5730\u6307\u5411\u5176\u57fa\u7236\u7c7b\uff0c\u800c\u5b9e\u5fc3\u83f1\u5f62\uff08<code>*--<\/code>\uff09\u8868\u793a\u4e00\u4e2a <code>\u8d2d\u7269\u8f66<\/code>\u5728\u4f1a\u8bdd\u751f\u547d\u5468\u671f\u4e2d\uff0c\u5b83\u672c\u8d28\u4e0a\u62e5\u6709\u5176\u652f\u4ed8\u5f15\u64ce\u5904\u7406\u5668\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ec0\u4e48\u662f\u7c7b\u56fe\uff1f UML \u7c7b\u56fe\u662f\u9762\u5411\u5bf9\u8c61\u5efa\u6a21\u7684\u57fa\u7840\u7ed3\u6784\u84dd\u56fe\u3002\u5b83\u901a\u8fc7\u53ef\u89c6\u5316\u7cfb\u7edf\u7684\u7c7b\u3001\u5176&#8230;<\/p>\n","protected":false},"author":4,"featured_media":0,"parent":0,"menu_order":2,"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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"ld_collection":[14],"class_list":["post-2124","ld_docs","type-ld_docs","status-publish","hentry","ld_collection-vpascode-docs"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>PlantUML Class Diagram Syntax | VPasCode Text to Diagram Guide<\/title>\n<meta name=\"description\" content=\"Build object-oriented software models with PlantUML class diagrams in VPasCode, an intuitive diagram-as-code tool.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.vpascode.com\/cn\/docs\/vpascode-docs\/plantuml-class-diagram-syntax-guide\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"PlantUML Class Diagram Syntax | VPasCode Text to Diagram Guide\" \/>\n<meta property=\"og:description\" content=\"Build object-oriented software models with PlantUML class diagrams in VPasCode, an intuitive diagram-as-code tool.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.vpascode.com\/cn\/docs\/vpascode-docs\/plantuml-class-diagram-syntax-guide\/\" \/>\n<meta property=\"og:site_name\" content=\"VPasCode\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18f7f4a1288.png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data1\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.vpascode.com\\\/cn\\\/docs\\\/vpascode-docs\\\/plantuml-class-diagram-syntax-guide\\\/\",\"url\":\"https:\\\/\\\/www.vpascode.com\\\/cn\\\/docs\\\/vpascode-docs\\\/plantuml-class-diagram-syntax-guide\\\/\",\"name\":\"PlantUML Class Diagram Syntax | VPasCode Text to Diagram Guide\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.vpascode.com\\\/cn\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.vpascode.com\\\/cn\\\/docs\\\/vpascode-docs\\\/plantuml-class-diagram-syntax-guide\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.vpascode.com\\\/cn\\\/docs\\\/vpascode-docs\\\/plantuml-class-diagram-syntax-guide\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.vpascode.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/img_6a18f7f4a1288.png\",\"datePublished\":\"2026-05-26T07:01:24+00:00\",\"description\":\"Build object-oriented software models with PlantUML class diagrams in VPasCode, an intuitive diagram-as-code tool.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.vpascode.com\\\/cn\\\/docs\\\/vpascode-docs\\\/plantuml-class-diagram-syntax-guide\\\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.vpascode.com\\\/cn\\\/docs\\\/vpascode-docs\\\/plantuml-class-diagram-syntax-guide\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\\\/\\\/www.vpascode.com\\\/cn\\\/docs\\\/vpascode-docs\\\/plantuml-class-diagram-syntax-guide\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.vpascode.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/img_6a18f7f4a1288.png\",\"contentUrl\":\"https:\\\/\\\/www.vpascode.com\\\/wp-content\\\/uploads\\\/2026\\\/05\\\/img_6a18f7f4a1288.png\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.vpascode.com\\\/cn\\\/docs\\\/vpascode-docs\\\/plantuml-class-diagram-syntax-guide\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.vpascode.com\\\/cn\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Lean Docs\",\"item\":\"https:\\\/\\\/www.vpascode.com\\\/cn\\\/docs\\\/%ld_collection%\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"PlantUML \u7c7b\u56fe\u8bed\u6cd5\u6307\u5357\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.vpascode.com\\\/cn\\\/#website\",\"url\":\"https:\\\/\\\/www.vpascode.com\\\/cn\\\/\",\"name\":\"VPasCode\",\"description\":\"by Visual Paradigm\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.vpascode.com\\\/cn\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.vpascode.com\\\/cn\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.vpascode.com\\\/cn\\\/#organization\",\"name\":\"VPasCode\",\"url\":\"https:\\\/\\\/www.vpascode.com\\\/cn\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\\\/\\\/www.vpascode.com\\\/cn\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.vpascode.com\\\/cn\\\/wp-content\\\/uploads\\\/sites\\\/3\\\/2026\\\/06\\\/cropped-vp-online-logo-v1.png\",\"contentUrl\":\"https:\\\/\\\/www.vpascode.com\\\/cn\\\/wp-content\\\/uploads\\\/sites\\\/3\\\/2026\\\/06\\\/cropped-vp-online-logo-v1.png\",\"width\":128,\"height\":138,\"caption\":\"VPasCode\"},\"image\":{\"@id\":\"https:\\\/\\\/www.vpascode.com\\\/cn\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"PlantUML Class Diagram Syntax | VPasCode Text to Diagram Guide","description":"Build object-oriented software models with PlantUML class diagrams in VPasCode, an intuitive diagram-as-code tool.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.vpascode.com\/cn\/docs\/vpascode-docs\/plantuml-class-diagram-syntax-guide\/","og_locale":"zh_CN","og_type":"article","og_title":"PlantUML Class Diagram Syntax | VPasCode Text to Diagram Guide","og_description":"Build object-oriented software models with PlantUML class diagrams in VPasCode, an intuitive diagram-as-code tool.","og_url":"https:\/\/www.vpascode.com\/cn\/docs\/vpascode-docs\/plantuml-class-diagram-syntax-guide\/","og_site_name":"VPasCode","og_image":[{"url":"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18f7f4a1288.png","type":"","width":"","height":""}],"twitter_card":"summary_large_image","twitter_misc":{"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"3 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.vpascode.com\/cn\/docs\/vpascode-docs\/plantuml-class-diagram-syntax-guide\/","url":"https:\/\/www.vpascode.com\/cn\/docs\/vpascode-docs\/plantuml-class-diagram-syntax-guide\/","name":"PlantUML Class Diagram Syntax | VPasCode Text to Diagram Guide","isPartOf":{"@id":"https:\/\/www.vpascode.com\/cn\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.vpascode.com\/cn\/docs\/vpascode-docs\/plantuml-class-diagram-syntax-guide\/#primaryimage"},"image":{"@id":"https:\/\/www.vpascode.com\/cn\/docs\/vpascode-docs\/plantuml-class-diagram-syntax-guide\/#primaryimage"},"thumbnailUrl":"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18f7f4a1288.png","datePublished":"2026-05-26T07:01:24+00:00","description":"Build object-oriented software models with PlantUML class diagrams in VPasCode, an intuitive diagram-as-code tool.","breadcrumb":{"@id":"https:\/\/www.vpascode.com\/cn\/docs\/vpascode-docs\/plantuml-class-diagram-syntax-guide\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.vpascode.com\/cn\/docs\/vpascode-docs\/plantuml-class-diagram-syntax-guide\/"]}]},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.vpascode.com\/cn\/docs\/vpascode-docs\/plantuml-class-diagram-syntax-guide\/#primaryimage","url":"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18f7f4a1288.png","contentUrl":"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/05\/img_6a18f7f4a1288.png"},{"@type":"BreadcrumbList","@id":"https:\/\/www.vpascode.com\/cn\/docs\/vpascode-docs\/plantuml-class-diagram-syntax-guide\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.vpascode.com\/cn\/"},{"@type":"ListItem","position":2,"name":"Lean Docs","item":"https:\/\/www.vpascode.com\/cn\/docs\/%ld_collection%\/"},{"@type":"ListItem","position":3,"name":"PlantUML \u7c7b\u56fe\u8bed\u6cd5\u6307\u5357"}]},{"@type":"WebSite","@id":"https:\/\/www.vpascode.com\/cn\/#website","url":"https:\/\/www.vpascode.com\/cn\/","name":"VPasCode","description":"by Visual Paradigm","publisher":{"@id":"https:\/\/www.vpascode.com\/cn\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.vpascode.com\/cn\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"zh-Hans"},{"@type":"Organization","@id":"https:\/\/www.vpascode.com\/cn\/#organization","name":"VPasCode","url":"https:\/\/www.vpascode.com\/cn\/","logo":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.vpascode.com\/cn\/#\/schema\/logo\/image\/","url":"https:\/\/www.vpascode.com\/cn\/wp-content\/uploads\/sites\/3\/2026\/06\/cropped-vp-online-logo-v1.png","contentUrl":"https:\/\/www.vpascode.com\/cn\/wp-content\/uploads\/sites\/3\/2026\/06\/cropped-vp-online-logo-v1.png","width":128,"height":138,"caption":"VPasCode"},"image":{"@id":"https:\/\/www.vpascode.com\/cn\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.vpascode.com\/cn\/wp-json\/wp\/v2\/ld_docs\/2124","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.vpascode.com\/cn\/wp-json\/wp\/v2\/ld_docs"}],"about":[{"href":"https:\/\/www.vpascode.com\/cn\/wp-json\/wp\/v2\/types\/ld_docs"}],"author":[{"embeddable":true,"href":"https:\/\/www.vpascode.com\/cn\/wp-json\/wp\/v2\/users\/4"}],"wp:attachment":[{"href":"https:\/\/www.vpascode.com\/cn\/wp-json\/wp\/v2\/media?parent=2124"}],"wp:term":[{"taxonomy":"ld_collection","embeddable":true,"href":"https:\/\/www.vpascode.com\/cn\/wp-json\/wp\/v2\/ld_collection?post=2124"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}