{"id":5054,"date":"2023-01-05T11:46:23","date_gmt":"2023-01-05T03:46:23","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5054"},"modified":"2023-01-05T11:46:23","modified_gmt":"2023-01-05T03:46:23","slug":"%e4%ba%86%e8%a7%a3typescript%e6%8e%a5%e5%8f%a3interfaces%e7%9a%84%e5%8f%af%e7%b4%a2%e5%bc%95%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%a3interfaces%e7%9a%84%e5%8f%af%e7%b4%a2%e5%bc%95%e7%b1%bb%e5%9e%8b\/","title":{"rendered":"\u4e86\u89e3TypeScript\u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, \u63a5\u53e3, \u53ef\u7d22\u5f15, \u7d22\u5f15\u7c7b\u578b\"><\/p>\n<h1>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b<\/h1>\n<p>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u63a5\u53e3\uff0c\u5b83\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002\u5b83\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002<\/p>\n<p>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002\u5b83\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002<\/p>\n<p>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002\u5b83\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002<\/p>\n<p>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002\u5b83\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002<\/p>\n<h2>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b\u7684\u57fa\u672c\u8a9e\u6cd5<\/h2>\n<p>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b\u7684\u57fa\u672c\u8a9e\u6cd5\u5982\u4e0b\uff1a<\/p>\n<pre class=\"brush: typescript\">\ninterface StringArray {\n    [index: number]: string;\n}\n<\/pre>\n<p>\u4e0a\u9762\u7684\u4ee3\u78bc\u5b9a\u7fa9\u4e86\u4e00\u500b\u63a5\u53e3\uff0c\u5b83\u6307\u5b9a\u4e86\u7d22\u5f15\u70ba number \u7c7b\u578b\uff0c\u8fd4\u56de\u503c\u70ba string \u7c7b\u578b\u3002<\/p>\n<p>\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u9019\u500b\u63a5\u53e3\u4f86\u5b9a\u7fa9\u4e00\u500b\u6578\u7d44\uff1a<\/p>\n<pre class=\"brush: typescript\">\nlet myArray: StringArray;\nmyArray = [\"Bob\", \"Fred\"];\n\nlet myStr: string = myArray[0];\n<\/pre>\n<p>\u4e0a\u9762\u7684\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b StringArray \u63a5\u53e3\uff0c\u5b83\u6307\u5b9a\u4e86\u7d22\u5f15\u70ba number \u7c7b\u578b\uff0c\u8fd4\u56de\u503c\u70ba string \u7c7b\u578b\u3002\u7136\u540e\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b myArray \u6578\u7d44\uff0c\u5b83\u7684\u7c7b\u578b\u662f StringArray\uff0c\u7136\u540e\u6211\u5011\u53ef\u4ee5\u6b63\u78ba\u7684\u8a2a\u554f\u6578\u7d44\u7684\u5143\u7d20\uff0c\u4e26\u7372\u5f97\u6b63\u78ba\u7684\u985e\u578b\u3002<\/p>\n<h2>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b\u7684\u61c9\u7528<\/h2>\n<p>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002\u5b83\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002<\/p>\n<p>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002\u5b83\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002<\/p>\n<p>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002\u5b83\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002<\/p>\n<p>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002\u5b83\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002<\/p>\n<p>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002\u5b83\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002<\/p>\n<p>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002\u5b83\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002<\/p>\n<p>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002\u5b83\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002<\/p>\n<p>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002\u5b83\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002<\/p>\n<p>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002\u5b83\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002<\/p>\n<p>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002\u5b83\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002<\/p>\n<p>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002\u5b83\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002<\/p>\n<p>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002\u5b83\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002<\/p>\n<p>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de\u503c\u7684\u7c7b\u578b\u3002\u5b83\u53ef\u4ee5\u7528\u4f86\u5b9a\u7fa9\u4e00\u500b\u7269\u4ef6\u7684\u7d22\u5f15\u7c7b\u578b\uff0c\u4ee5\u53ca\u5c0d\u61c9\u7684\u7d22\u5f15\u8fd4\u56de<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3TypeScript\u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u6709\u6548\u7387\u7684\u958b\u767c\u51fa\u66f4\u597d\u7684\u7a0b\u5f0f\u78bc\uff0c\u672c\u6587\u5c07\u4ecb\u7d39TypeScript\u63a5\u53e3(interfaces)\u7684\u53ef\u7d22\u5f15\u7c7b\u578b\u7684\u57fa\u672c\u6982\u5ff5\u3001\u4f7f\u7528\u65b9\u6cd5\u4ee5\u53ca\u61c9\u7528\u7bc4\u4f8b\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-5054","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\/pcFK27-1jw","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5054","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=5054"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5054\/revisions"}],"predecessor-version":[{"id":5055,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5054\/revisions\/5055"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5054"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5054"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5054"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}