{"id":5016,"date":"2023-01-05T11:38:34","date_gmt":"2023-01-05T03:38:34","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5016"},"modified":"2023-01-05T11:38:34","modified_gmt":"2023-01-05T03:38:34","slug":"%e4%ba%86%e8%a7%a3typescript%e6%8e%a5%e5%8f%a3%e4%b8%ad%e7%9a%84%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%ad%97%e9%9d%a2%e9%87%8f%e7%b1%bb%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e4%ba%86%e8%a7%a3typescript%e6%8e%a5%e5%8f%a3%e4%b8%ad%e7%9a%84%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%ad%97%e9%9d%a2%e9%87%8f%e7%b1%bb%e5%9e%8b\/","title":{"rendered":"\u4e86\u89e3TypeScript\u63a5\u53e3\u4e2d\u7684\u5b57\u7b26\u4e32\u5b57\u9762\u91cf\u7c7b\u578b"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, \u63a5\u53e3, interfaces, \u5b57\u7b26\u4e32\u5b57\u9762\u91cf\u7c7b\u578b\"><\/p>\n<h1>TypeScript \u63a5\u53e3(interfaces)\u7684\u5b57\u7b26\u4e32\u5b57\u9762\u91cf\u7c7b\u578b<\/h1>\n<p>TypeScript \u662f\u4e00\u7a2e\u7531\u5fae\u8edf\u958b\u767c\u7684\u958b\u6e90\u8a9e\u8a00\uff0c\u5b83\u662f JavaScript \u7684\u8d85\u96c6\uff0c\u64c1\u6709\u66f4\u591a\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u958b\u767c\u51fa\u66f4\u9ad8\u54c1\u8cea\u7684\u7a0b\u5f0f\u78bc\u3002TypeScript \u63d0\u4f9b\u4e86\u4e00\u7a2e\u53eb\u505a\u63a5\u53e3(interfaces)\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u5b9a\u7fa9\u548c\u4f7f\u7528\u7279\u5b9a\u7684\u8cc7\u6599\u985e\u578b\u3002\u5176\u4e2d\uff0c\u5b57\u7b26\u4e32\u5b57\u9762\u91cf\u7c7b\u578b\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u63a5\u53e3\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u5b9a\u7fa9\u548c\u4f7f\u7528\u5b57\u7b26\u4e32\u8cc7\u6599\u985e\u578b\u3002<\/p>\n<h2>\u4ec0\u9ebc\u662f\u5b57\u7b26\u4e32\u5b57\u9762\u91cf\u7c7b\u578b\uff1f<\/h2>\n<p>\u5b57\u7b26\u4e32\u5b57\u9762\u91cf\u7c7b\u578b\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u63a5\u53e3\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u5b9a\u7fa9\u548c\u4f7f\u7528\u5b57\u7b26\u4e32\u8cc7\u6599\u985e\u578b\u3002\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u6307\u5b9a\u4e00\u500b\u5b57\u7b26\u4e32\u8cc7\u6599\u985e\u578b\uff0c\u4e26\u4e14\u53ea\u5141\u8a31\u4f7f\u7528\u7279\u5b9a\u7684\u5b57\u7b26\u4e32\u503c\u3002\u4f8b\u5982\uff0c\u5982\u679c\u958b\u767c\u8005\u60f3\u8981\u5b9a\u7fa9\u4e00\u500b\u53ea\u80fd\u63a5\u53d7 &#8220;apple&#8221;\u3001&#8221;banana&#8221; \u548c &#8220;orange&#8221; \u4e09\u500b\u5b57\u7b26\u4e32\u503c\u7684\u8cc7\u6599\u985e\u578b\uff0c\u4ed6\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7684\u7a0b\u5f0f\u78bc\uff1a<\/p>\n<pre class=\"brush: typescript\">\ntype Fruit = \"apple\" | \"banana\" | \"orange\";\n<\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba Fruit \u7684\u8cc7\u6599\u985e\u578b\uff0c\u5b83\u53ea\u80fd\u63a5\u53d7 &#8220;apple&#8221;\u3001&#8221;banana&#8221; \u548c &#8220;orange&#8221; \u4e09\u500b\u5b57\u7b26\u4e32\u503c\u3002<\/p>\n<h2>\u5982\u4f55\u4f7f\u7528\u5b57\u7b26\u4e32\u5b57\u9762\u91cf\u7c7b\u578b\uff1f<\/h2>\n<p>\u5b57\u7b26\u4e32\u5b57\u9762\u91cf\u7c7b\u578b\u53ef\u4ee5\u7528\u65bc\u5b9a\u7fa9\u51fd\u5f0f\u7684\u53c3\u6578\uff0c\u4ee5\u78ba\u4fdd\u51fd\u5f0f\u53ea\u80fd\u63a5\u53d7\u7279\u5b9a\u7684\u5b57\u7b26\u4e32\u503c\u3002\u4f8b\u5982\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 Fruit \u8cc7\u6599\u985e\u578b\u4f86\u5b9a\u7fa9\u4e00\u500b\u540d\u70ba getFruitName \u7684\u51fd\u5f0f\uff0c\u8a72\u51fd\u5f0f\u53ea\u80fd\u63a5\u53d7 &#8220;apple&#8221;\u3001&#8221;banana&#8221; \u548c &#8220;orange&#8221; \u4e09\u500b\u5b57\u7b26\u4e32\u503c\uff1a<\/p>\n<pre class=\"brush: typescript\">\nfunction getFruitName(fruit: Fruit): string {\n  switch (fruit) {\n    case \"apple\":\n      return \"\u860b\u679c\";\n    case \"banana\":\n      return \"\u9999\u8549\";\n    case \"orange\":\n      return \"\u6a58\u5b50\";\n    default:\n      return \"\";\n  }\n}\n<\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba getFruitName \u7684\u51fd\u5f0f\uff0c\u8a72\u51fd\u5f0f\u63a5\u53d7\u4e00\u500b Fruit \u8cc7\u6599\u985e\u578b\u7684\u53c3\u6578\uff0c\u4e26\u4e14\u6839\u64da\u53c3\u6578\u7684\u503c\u4f86\u8fd4\u56de\u5c0d\u61c9\u7684\u6c34\u679c\u540d\u7a31\u3002<\/p>\n<h2>\u7e3d\u7d50<\/h2>\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u4ecb\u7d39\u4e86 TypeScript \u63a5\u53e3(interfaces)\u7684\u5b57\u7b26\u4e32\u5b57\u9762\u91cf\u7c7b\u578b\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u5b9a\u7fa9\u548c\u4f7f\u7528\u5b57\u7b26\u4e32\u8cc7\u6599\u985e\u578b\u3002\u6211\u5011\u4e5f\u4ecb\u7d39\u4e86\u5982\u4f55\u4f7f\u7528\u5b57\u7b26\u4e32\u5b57\u9762\u91cf\u7c7b\u578b\u4f86\u5b9a\u7fa9\u51fd\u5f0f\u7684\u53c3\u6578\uff0c\u4ee5\u78ba\u4fdd\u51fd\u5f0f\u53ea\u80fd\u63a5\u53d7\u7279\u5b9a\u7684\u5b57\u7b26\u4e32\u503c\u3002<\/p>\n<p><!--more--><\/p>\n<h2>\u66f4\u591a\u8cc7\u6e90<\/h2>\n<ul>\n<li><a href=\"https:\/\/www.typescriptlang.org\/docs\/handbook\/advanced-types.html\" target=\"_blank\" rel=\"noopener\">TypeScript \u624b\u518a &#8211; \u9032\u968e\u578b\u5225<\/a><\/li>\n<li><a href=\"https:\/\/www.typescriptlang.org\/docs\/handbook\/interfaces.html\" target=\"_blank\" rel=\"noopener\">TypeScript \u624b\u518a &#8211; \u63a5\u53e3<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3TypeScript\u63a5\u53e3\u4e2d\u7684\u5b57\u7b26\u4e32\u5b57\u9762\u91cf\u7c7b\u578b\uff0c\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528\u5b83\u5011\u4f86\u63d0\u9ad8\u4ee3\u78bc\u7684\u53ef\u8b80\u6027\u548c\u53ef\u7dad\u8b77\u6027\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u5011\u4f86\u6e1b\u5c11\u51fa\u932f\u7684\u6a5f\u6703\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[187],"tags":[186],"class_list":["post-5016","post","type-post","status-publish","format-standard","hentry","category-typescript","tag-typescript"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-1iU","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5016","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=5016"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5016\/revisions"}],"predecessor-version":[{"id":5017,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5016\/revisions\/5017"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5016"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5016"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5016"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}