{"id":4884,"date":"2023-01-05T11:12:30","date_gmt":"2023-01-05T03:12:30","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=4884"},"modified":"2023-01-05T11:12:30","modified_gmt":"2023-01-05T03:12:30","slug":"%e4%ba%86%e8%a7%a3typescript%e4%b8%ad%e7%9a%84%e9%a1%9e%e5%9e%8b%e5%88%a5%e5%90%8dtypealiases","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e4%ba%86%e8%a7%a3typescript%e4%b8%ad%e7%9a%84%e9%a1%9e%e5%9e%8b%e5%88%a5%e5%90%8dtypealiases\/","title":{"rendered":"\u4e86\u89e3TypeScript\u4e2d\u7684\u985e\u578b\u5225\u540d(TypeAliases)"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, Type Aliases\"><\/p>\n<h1>TypeScript \u4e2d\u7684\u985e\u578b\u5225\u540d(Type Aliases)<\/h1>\n<p>TypeScript \u662f\u4e00\u7a2e JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u63d0\u4f9b\u4e86\u985e\u578b\u7cfb\u7d71\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5728\u7de8\u5beb\u7a0b\u5f0f\u6642\u66f4\u52a0\u5b89\u5168\u53ef\u9760\u3002\u5176\u4e2d\u4e00\u500b\u91cd\u8981\u7684\u529f\u80fd\u5c31\u662f\u300c\u985e\u578b\u5225\u540d(Type Aliases)\u300d\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5c07\u4e00\u500b\u8907\u96dc\u7684\u985e\u578b\u5b9a\u7fa9\u7c21\u5316\uff0c\u4e26\u4e14\u53ef\u4ee5\u91cd\u8907\u4f7f\u7528\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u985e\u578b\u5225\u540d\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5c07\u4e00\u500b\u8907\u96dc\u7684\u985e\u578b\u5b9a\u7fa9\u7c21\u5316\uff0c\u4e26\u4e14\u53ef\u4ee5\u91cd\u8907\u4f7f\u7528\u3002\u4f8b\u5982\uff0c\u5047\u8a2d\u6211\u5011\u6709\u4e00\u500b\u8907\u96dc\u7684\u985e\u578b\uff0c\u5b83\u53ef\u4ee5\u662f\u4e00\u500b\u5b57\u4e32\uff0c\u4e5f\u53ef\u4ee5\u662f\u4e00\u500b\u6578\u5b57\uff1a<\/p>\n<pre class=\"brush: typescript\">\ntype ComplexType = string | number;\n<\/pre>\n<p>\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u985e\u578b\u5225\u540d\u5c07\u5b83\u7c21\u5316\uff1a<\/p>\n<pre class=\"brush: typescript\">\ntype SimpleType = ComplexType;\n<\/pre>\n<p>\u73fe\u5728\uff0c\u6211\u5011\u53ef\u4ee5\u5728\u4efb\u4f55\u5730\u65b9\u4f7f\u7528 SimpleType \u4f86\u4ee3\u8868 ComplexType\uff1a<\/p>\n<pre class=\"brush: typescript\">\nlet myVar: SimpleType = \"Hello World\";\n<\/pre>\n<p>\u985e\u578b\u5225\u540d\u4e5f\u53ef\u4ee5\u7528\u65bc\u6cdb\u578b\uff0c\u4f8b\u5982\uff0c\u6211\u5011\u53ef\u4ee5\u5b9a\u7fa9\u4e00\u500b\u6cdb\u578b\u985e\u578b\u5225\u540d\uff1a<\/p>\n<pre class=\"brush: typescript\">\ntype GenericType<T> = T[];\n<\/pre>\n<p>\u73fe\u5728\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 GenericType \u4f86\u5b9a\u7fa9\u4e00\u500b\u5b57\u4e32\u9663\u5217\uff1a<\/p>\n<pre class=\"brush: typescript\">\nlet myArray: GenericType<string> = [\"Hello\", \"World\"];\n<\/pre>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0cTypeScript \u4e2d\u7684\u985e\u578b\u5225\u540d\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5c07\u4e00\u500b\u8907\u96dc\u7684\u985e\u578b\u5b9a\u7fa9\u7c21\u5316\uff0c\u4e26\u4e14\u53ef\u4ee5\u91cd\u8907\u4f7f\u7528\uff0c\u5c24\u5176\u662f\u5728\u6cdb\u578b\u7684\u60c5\u6cc1\u4e0b\uff0c\u53ef\u4ee5\u5927\u5927\u63d0\u9ad8\u958b\u767c\u6548\u7387\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981(Description):TypeScript\u4e2d\u7684\u985e\u578b\u5225\u540d(TypeAliases)\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u5b9a\u7fa9\u548c\u4f7f\u7528\u8907\u96dc\u7684\u8cc7\u6599\u985e\u578b\uff0c\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528TypeScript\u4e2d\u7684\u985e\u578b\u5225\u540d(TypeAliases)\u4f86\u63d0\u9ad8\u958b\u767c\u6548\u7387\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-4884","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\/pcFK27-1gM","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4884","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=4884"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4884\/revisions"}],"predecessor-version":[{"id":4885,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4884\/revisions\/4885"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=4884"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=4884"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=4884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}