{"id":2044,"date":"2026-07-28T06:18:58","date_gmt":"2026-07-28T06:18:58","guid":{"rendered":"https:\/\/www.vpascode.com\/tw\/docs\/uncategorized\/typescript-visualizer-guide\/"},"modified":"2026-07-28T06:18:58","modified_gmt":"2026-07-28T06:18:58","slug":"typescript-visualizer-guide","status":"publish","type":"ld_docs","link":"https:\/\/www.vpascode.com\/tw\/docs\/vpascode-docs\/typescript-visualizer-guide\/","title":{"rendered":"TypeScript"},"content":{"rendered":"<p>\u5728\u8a2d\u8a08\u8907\u96dc\u7684\u524d\u7aef\u61c9\u7528\u7a0b\u5f0f\u3001\u9818\u57df\u6a21\u578b\u6216\u5f8c\u7aef\u670d\u52d9\u6642\uff0c\u95b1\u8b80\u5bc6\u96c6\u7684 TypeScript \u6e90\u4ee3\u78bc\u53ef\u80fd\u6703\u8b93\u60a8\u96e3\u4ee5\u76f4\u89c0\u5730\u7406\u89e3\u985e\u578b\u5408\u7d04\u8207\u985e\u5225\u5c64\u6b21\u7d50\u69cb\u3002\u9019\u6b3e<strong>TypeScript \u7e6a\u5716\u5de5\u5177<\/strong>\u53ef\u5c07 TypeScript \u7684\u4ecb\u9762\u5ba3\u544a\u3001\u81ea\u8a02\u985e\u578b\u5225\u540d\u3001\u6cdb\u578b\u6a21\u578b\u8207\u985e\u5225\u7d50\u69cb\u8f49\u63db\u70ba\u6e05\u6670\u4e14\u53ef\u4e92\u52d5\u7684\u985e\u5225\u8207\u985e\u578b\u5716\u8868\u3002\u900f\u904e\u89e3\u6790\u985e\u578b\u5b9a\u7fa9\u3001\u5b58\u53d6\u4fee\u98fe\u8a5e\uff08<code>\u516c\u958b<\/code>, <code>\u79c1\u6709<\/code>, <code>\u552f\u8b80<\/code>\uff09\uff0c\u4ee5\u53ca\u7e7c\u627f\u7db2\u8def\uff08<code>\u7e7c\u627f<\/code>, <code>\u5be6\u4f5c<\/code>\uff09\uff0c\u958b\u767c\u4eba\u54e1\u8207\u8edf\u9ad4\u67b6\u69cb\u5e2b\u53ef\u4e00\u76ee\u4e86\u7136\u5730\u8996\u89ba\u5316\u6aa2\u67e5\u985e\u578b\u5b89\u5168\u6027\u8207\u7269\u4ef6\u5c0e\u5411\u8a2d\u8a08\u3002<\/p>\n<h2>TypeScript \u8996\u89ba\u5316\u7684\u904b\u4f5c\u539f\u7406<\/h2>\n<p>\u5728 VPasCode \u4e2d\uff0cTypeScript \u6e32\u67d3\u6703\u81ea\u52d5\u89e3\u6790\u4ecb\u9762\u3001\u81ea\u8a02\u985e\u578b\u5225\u540d\u3001\u6cdb\u578b\u908a\u754c\u3001\u985e\u5225\u8207\u985e\u5225\u6210\u54e1\uff0c\u8f49\u63db\u70ba\u7d50\u69cb\u5316\u7684\u8996\u89ba\u5316 UML \u98a8\u683c\u5716\u8868\u3002\u4ecb\u9762\u8207\u985e\u578b\u5225\u540d\u4f5c\u70ba\u7d50\u69cb\u5408\u7d04\u7bc0\u9ede\uff0c\u985e\u5225\u5247\u4ee5\u5e36\u6709\u985e\u578b\u6b04\u4f4d\u6210\u54e1\u7684\u5be6\u9ad4\u65b9\u584a\u5448\u73fe\uff0c\u800c\u7e7c\u627f\u6216\u4ecb\u9762\u5be6\u4f5c\u95dc\u9375\u5b57\u6703\u5728\u8996\u89ba\u7bc0\u9ede\u4e4b\u9593\u7522\u751f\u6e05\u6670\u7684\u95dc\u4fc2\u9023\u63a5\u5668\u3002<\/p>\n<h3>1. \u57fa\u672c\u8a2d\u5b9a<\/h3>\n<p>\u8981\u8996\u89ba\u5316\u6a19\u6e96\u7684 TypeScript \u985e\u578b\u7cfb\u7d71\uff0c\u8acb\u5b9a\u7fa9\u4ecb\u9762\u3001\u985e\u578b\u5225\u540d\u8207\u5be6\u4f5c\u985e\u5225\u3002\u50cf\u4f7f\u7528\u8005\u5e33\u6236\u8207\u89d2\u8272\u7b49\u6a19\u6e96\u9818\u57df\u6a21\u578b\uff0c\u80fd\u5c55\u73fe\u57fa\u672c\u7684\u985e\u578b\u5408\u7d04\u8207\u985e\u5225\u95dc\u4fc2\uff1a<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">TypeScript<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#typescript: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\" 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 TypeScript<\/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\">TypeScript<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#typescript: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\" \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 TypeScript in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-typescript\"><code class=\"language-typescript\" data-language=\"typescript\" class=\"language-typescript\">\/\/ \u4f7f\u7528\u8005\u8eab\u5206\u8207\u6b0a\u9650\u6a21\u578b\r\nexport type UserRole = '\u7ba1\u7406\u54e1' | '\u7de8\u8f2f\u8005' | '\u6aa2\u8996\u8005';\r\n\r\nexport interface Identity {\r\n  readonly id: string;\r\n  createdAt: Date;\r\n}\r\n\r\nexport interface UserProfile extends Identity {\r\n  username: string;\r\n  email: string;\r\n  role: UserRole;\r\n}\r\n\r\nexport abstract class BaseAccount implements Identity {\r\n  readonly id: string;\r\n  createdAt: Date;\r\n  protected isVerified: boolean = false;\r\n\r\n  constructor(id: string, createdAt: Date) {\r\n    this.id = id;\r\n    this.createdAt = createdAt;\r\n  }\r\n\r\n  abstract getPermissions(): string[];\r\n}\r\n\r\nexport class StandardUser extends BaseAccount implements UserProfile {\r\n  username: string;\r\n  email: string;\r\n  role: UserRole;\r\n\r\n  constructor(id: string, username: string, email: string, role: UserRole) {\r\n    super(id, new Date());\r\n    this.username = username;\r\n    this.email = email;\r\n    this.role = role;\r\n  }\r\n\r\n  getPermissions(): string[] {\r\n    return ['\u8b80\u53d6', '\u7559\u8a00'];\r\n  }\r\n}<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#typescript: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\" \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 TypeScript 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\/#typescript: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\" 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 TypeScript<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"RvTBDls\"><img fetchpriority=\"high\" alt=\"\" class=\"alignnone size-full wp-image-1476\" decoding=\"async\" fetchpriority=\"high\" height=\"1484\" sizes=\"(max-width: 1954px) 100vw, 1954px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a684a136abe8.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a684a136abe8.png 1954w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a684a136abe8-300x228.png 300w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a684a136abe8-1024x778.png 1024w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a684a136abe8-768x583.png 768w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a684a136abe8-1536x1167.png 1536w\" width=\"1954\"\/><\/p>\n<p>\u00a0<\/p>\n<h2>\u9032\u968e\u7d50\u69cb\u6280\u8853<\/h2>\n<p>TypeScript \u8996\u89ba\u5316\u5728\u7e6a\u88fd\u6cdb\u578b\u8cc7\u6599\u6d41\u7a0b\u3001API \u56de\u61c9\u5305\u88dd\u5668\u8207\u72c0\u614b\u7ba1\u7406\u4ecb\u9762\u65b9\u9762\u8868\u73fe\u51fa\u8272\u3002<\/p>\n<h3>1. \u6cdb\u578b API \u8cc7\u6599\u56de\u61c9\u6a21\u578b<\/h3>\n<p>\u900f\u904e\u7d50\u5408\u6cdb\u578b\u985e\u578b\u4ecb\u9762\uff08<code><\/code>\uff09\u8207\u72c0\u614b\u806f\u5408\u578b\u5225\u53ca\u932f\u8aa4\u8f09\u8377\u7d50\u69cb\uff0cVPasCode \u53ef\u5c07\u8907\u96dc\u7684\u985e\u578b\u5408\u7d04\u8f49\u63db\u70ba\u6613\u65bc\u95b1\u8b80\u7684\u7bc0\u9ede\u7db2\u8def\uff1a<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">TypeScript<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#typescript:eNp1kk9vwjAMxe9IfAffChJqtWMLY5q0STtOY9POITUQLU2ixGUg1u8+t6H803ZrbMe\/916KO2c9Ae0dwhsGZ03ABQmqA9xDEmopMYQEfiBB763vvhyaUpl1Mh0OhgOMC5Qh9CshER6dem5H4TAcAEhbYgGmrpbop22h4n1izbVAnpd0tRJJKB0eCpYgrS9nsTc5zsx5qPmP1YuOuNBJL26sRIggUcA7GzC11l2ps8TUXnJXJMUSSVTuQvbf9Fdvy1pSJKvyyhIp0tcmnVfyOgplFmTlVwFLazUKcwOSWoTQQxbot3w\/snjVVhCCcOrD657SPtiGyIUiy7iT4o5NaEylrbLtXebiohCfDUCEvZGwQpKbI2N09jAuWnClAs4uMp5HPIBHqr3pT+fYTz\/MpO\/E1A8cz6TPJPlUHjVPwQuK0m2sQb7Q55PnaZ5PztmQrxGa076L13niCFJjv0fjY7fpUuUIm1+8i+fX\" 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 TypeScript<\/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\">TypeScript<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#typescript: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\" \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 TypeScript in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-typescript\"><code class=\"language-typescript\" data-language=\"typescript\" class=\"language-typescript\">export type ResponseStatus = '\u6210\u529f' | '\u932f\u8aa4' | '\u5f85\u8655\u7406';\r\n\r\nexport interface ApiError {\r\n  code: number;\r\n  message: string;\r\n  details?: Record&lt;string, string&gt;;\r\n}\r\n\r\nexport interface ApiResponse {\r\n  status: ResponseStatus;\r\n  data: T | null;\r\n  error?: ApiError;\r\n  timestamp: number;\r\n}\r\n\r\nexport interface Product {\r\n  id: string;\r\n  title: string;\r\n  price: number;\r\n  inStock: boolean;\r\n}\r\n\r\nexport class ProductService {\r\n  private apiUrl: string = 'https:\/\/api.example.com\/v1\/products';\r\n\r\n  async fetchProduct(id: string): Promise&lt;ApiResponse&gt; {\r\n    return {\r\n      status: '\u6210\u529f',\r\n      data: { id, title: '\u7121\u7dda\u8033\u6a5f', price: 99.99, inStock: true },\r\n      timestamp: Date.now(),\r\n    };\r\n  }\r\n}<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#typescript: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\" \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 TypeScript 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\/#typescript:eNp1kk9vwjAMxe9IfAffChJqtWMLY5q0STtOY9POITUQLU2ixGUg1u8+t6H803ZrbMe\/916KO2c9Ae0dwhsGZ03ABQmqA9xDEmopMYQEfiBB763vvhyaUpl1Mh0OhgOMC5Qh9CshER6dem5H4TAcAEhbYgGmrpbop22h4n1izbVAnpd0tRJJKB0eCpYgrS9nsTc5zsx5qPmP1YuOuNBJL26sRIggUcA7GzC11l2ps8TUXnJXJMUSSVTuQvbf9Fdvy1pSJKvyyhIp0tcmnVfyOgplFmTlVwFLazUKcwOSWoTQQxbot3w\/snjVVhCCcOrD657SPtiGyIUiy7iT4o5NaEylrbLtXebiohCfDUCEvZGwQpKbI2N09jAuWnClAs4uMp5HPIBHqr3pT+fYTz\/MpO\/E1A8cz6TPJPlUHjVPwQuK0m2sQb7Q55PnaZ5PztmQrxGa076L13niCFJjv0fjY7fpUuUIm1+8i+fX\" 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 TypeScript<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"njzhzWF\"><img alt=\"\" class=\"alignnone size-full wp-image-1477\" decoding=\"async\" height=\"1484\" sizes=\"(max-width: 1954px) 100vw, 1954px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a684a20d5539.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a684a20d5539.png 1954w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a684a20d5539-300x228.png 300w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a684a20d5539-1024x778.png 1024w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a684a20d5539-768x583.png 768w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a684a20d5539-1536x1167.png 1536w\" width=\"1954\"\/><\/p>\n<p>\u00a0<\/p>\n<h2>\u7d50\u69cb\u5316\u4e8b\u4ef6\u9a45\u52d5\u7684\u5de5\u4f5c\u6d41\u7a0b\u8207\u89c0\u5bdf\u8005<\/h2>\n<p>\u53ef\u8996\u5316\u4e8b\u4ef6\u8655\u7406\u7a0b\u5f0f\u3001\u8cc7\u6599\u8f09\u9ad4\u4ecb\u9762\u8207\u76e3\u807d\u5668\u985e\u5225\uff0c\u6709\u52a9\u65bc\u524d\u7aef\u8207\u5168\u68e7\u5de5\u7a0b\u5718\u968a\u5728\u4e8b\u4ef6\u9a45\u52d5\u67b6\u69cb\u4e2d\u7dad\u6301\u6e05\u6670\u7684\u89e3\u8026\u3002<\/p>\n<h3>1. \u4e8b\u4ef6\u767c\u5c04\u5668\u8207\u8cc7\u6599\u8f09\u9ad4\u8655\u7406\u7cfb\u7d71<\/h3>\n<p>\u5b9a\u7fa9\u5177\u985e\u578b\u7684\u4e8b\u4ef6\u4ecb\u9762\u8207\u8a02\u95b1\u8005\u985e\u5225\uff0c\u4ee5\u898f\u5283\u53cd\u61c9\u5f0f\u72c0\u614b\u67b6\u69cb\u8207\u901a\u8a0a\u62bd\u8c61\uff1a<\/p>\n<div class=\"vpascode-viewer-container vpascode-fancy-active\">\n<div class=\"vpascode-header\">\n<span class=\"vpascode-lang-label\">TypeScript<\/span><br \/>\n<a class=\"vpascode-fancy-btn\" href=\"https:\/\/www.vpascode.com\/editor\/#typescript:eNqdkDFuwzAMRXcDvgOHDMniAyhTgHbokgRIDxBZogMBkmhQjNHA8N0jyx7SAF26ER\/k+58ff3piARcFudMG4fJIguFzwCgw1hUAzuNRB1SQhF287We11w9P2ir4Pi9TUcmYOzPagyj40IJZnOqqrvDd5cQWeb1cbGhWvuwvEyHRXkG8hxb5T1bJemoT8oC8wmIRtyW7ev1pp2AgZ99gxuuU4EjiOme0OIqXTHMZ7kLvMeTD9C+fZQ3AUEzksfF0215ffSDNRXfESwEKNmOBNWvBzdrLdN2VSnLq6Qlk5JOr\" 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 TypeScript<\/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\">TypeScript<\/span>\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#typescript:eNqdkLFKA0EQhvuDe4cpLJLmHmCtBC1skkB8gGz2JmFhd+fYnRyGcBBtfAPBNFaClYUWNnmdkKTyFbzbu0IDNnbDz8z3\/\/PjbUGeQTtGP5MKYbwMjPaqRMewShMAbMaBtCggsNduft6ohVwakrmAm1E7RZWUWniP+QULuJSMtVilSZrgqcvQ5+i7y9aGGuU6\/2XCxNIIcAs7Rf8nK2YdTgP6En0Hc1Hsxezi5099ASXp\/ASmjAwBBsR6ppVkTW5c03QN17YwaOvD8C+fdg1AkQtkMDM0702O683++WX3+b5\/2h7Xd4eHj8Pr\/e7x7Wu7OVtFVNbVm3WtVJN+LKTOXH0D+xacMQ==\" \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 TypeScript in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                <div class=\"vpascode-code-wrapper\">\r\n                    <pre class=\"lang-typescript\"><code class=\"language-typescript\" data-language=\"typescript\" class=\"language-typescript\">export interface SystemEvent {\r\n  eventName: string;\r\n  payload: TPayload;\r\n  occurredAt: Date;\r\n}\r\n\r\nexport interface OrderPayload {\r\n  orderId: string;\r\n  total: number;\r\n}\r\n\r\nexport interface EventObserver {\r\n  onEvent(event: SystemEvent): void;\r\n}\r\n\r\nexport class NotificationService implements EventObserver {\r\n  onEvent(event: SystemEvent): void {\r\n    console.log(`\u901a\u77e5\u5df2\u767c\u9001\u81f3\u8a02\u55ae\uff1a${event.payload.orderId}`);\r\n  }\r\n}<\/code><\/pre>                <\/div>\r\n                <div class=\"vpascode-actions\">\r\n                    <a href=\"https:\/\/www.vpascode.com\/editor\/#typescript:eNqdkLFKA0EQhvuDe4cpLJLmHmCtBC1skkB8gGz2JmFhd+fYnRyGcBBtfAPBNFaClYUWNnmdkKTyFbzbu0IDNnbDz8z3\/\/PjbUGeQTtGP5MKYbwMjPaqRMewShMAbMaBtCggsNduft6ohVwakrmAm1E7RZWUWniP+QULuJSMtVilSZrgqcvQ5+i7y9aGGuU6\/2XCxNIIcAs7Rf8nK2YdTgP6En0Hc1Hsxezi5099ASXp\/ASmjAwBBsR6ppVkTW5c03QN17YwaOvD8C+fdg1AkQtkMDM0702O683++WX3+b5\/2h7Xd4eHj8Pr\/e7x7Wu7OVtFVNbVm3WtVJN+LKTOXH0D+xacMQ==\" \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 TypeScript 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\/#typescript:eNqdkDFuwzAMRXcDvgOHDMniAyhTgHbokgRIDxBZogMBkmhQjNHA8N0jyx7SAF26ER\/k+58ff3piARcFudMG4fJIguFzwCgw1hUAzuNRB1SQhF287We11w9P2ir4Pi9TUcmYOzPagyj40IJZnOqqrvDd5cQWeb1cbGhWvuwvEyHRXkG8hxb5T1bJemoT8oC8wmIRtyW7ev1pp2AgZ99gxuuU4EjiOme0OIqXTHMZ7kLvMeTD9C+fZQ3AUEzksfF0215ffSDNRXfESwEKNmOBNWvBzdrLdN2VSnLq6Qlk5JOr\" 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 TypeScript<\/span><br \/>\n<\/a>\n<\/div>\n<\/div>\n<p id=\"iZSKqmp\"><img alt=\"\" class=\"alignnone size-full wp-image-1478\" decoding=\"async\" height=\"1484\" sizes=\"(max-width: 1954px) 100vw, 1954px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a684a2de2552.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a684a2de2552.png 1954w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a684a2de2552-300x228.png 300w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a684a2de2552-1024x778.png 1024w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a684a2de2552-768x583.png 768w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/07\/img_6a684a2de2552-1536x1167.png 1536w\" width=\"1954\"\/><\/p>\n<p>\u00a0<\/p>\n<h2>\u6230\u7565\u6700\u4f73\u5be6\u52d9<\/h2>\n<ul>\n<li><strong>\u4f7f\u7528\u4ecb\u9762\u4f86\u5b9a\u7fa9\u516c\u958b API \u5408\u7d04\uff1a<\/strong> \u4f7f\u7528 <code>interface<\/code> \u4f86\u5b9a\u7fa9\u7269\u4ef6\u7d50\u69cb\u8207\u516c\u958b\u4ecb\u9762\uff0c\u8b93\u985e\u5225\u80fd\u4f7f\u7528 <code>implements<\/code> \u4ee5\u5efa\u7acb\u6e05\u6670\u7684\u8996\u89ba\u9023\u7d50\u3002<\/li>\n<li><strong>\u5584\u7528\u660e\u78ba\u7684\u5b58\u53d6\u4fee\u98fe\u8a5e\uff1a<\/strong> \u59cb\u7d42\u5c07\u985e\u5225\u5c6c\u6027\u6a19\u8a18\u70ba <code>public<\/code>, <code>private<\/code>, <code>protected<\/code>\u3001<code>readonly<\/code> \u4ee5\u78ba\u4fdd\u5728\u6e32\u67d3\u7684\u5716\u793a\u5361\u7247\u4e2d\uff0c\u5b58\u53d6\u5c64\u7d1a\u4fdd\u6301\u900f\u660e\u3002<\/li>\n<li><strong>\u4fdd\u6301\u6cdb\u578b\u754c\u9650\u6e05\u6670\uff1a<\/strong> \u4f7f\u7528\u5177\u63cf\u8ff0\u6027\u7684\u985e\u578b\u53c3\u6578\uff08\u4f8b\u5982 <code><\/code> \u6216 <code><\/code>\uff09\u800c\u975e\u55ae\u4e00\u5b57\u6bcd\uff0c\u7576\u5b9a\u7fa9\u8907\u96dc\u7684\u5de2\u72c0\u4ecb\u9762\u6642\u3002<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u8a2d\u8a08\u8907\u96dc\u7684\u524d\u7aef\u61c9\u7528\u7a0b\u5f0f\u3001\u9818\u57df\u6a21\u578b\u6216\u5f8c\u7aef\u670d\u52d9\u6642\uff0c\u95b1\u8b80\u5bc6\u96c6\u7684 TypeScript&#8230;<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":0,"menu_order":1,"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-2044","ld_docs","type-ld_docs","status-publish","hentry","ld_collection-vpascode-docs"],"yoast_head":"<!-- This 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