{"id":5062,"date":"2023-01-05T11:48:02","date_gmt":"2023-01-05T03:48:02","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5062"},"modified":"2023-01-05T11:48:02","modified_gmt":"2023-01-05T03:48:02","slug":"%e4%ba%86%e8%a7%a3typescript%e4%b8%ad%e6%95%b8%e7%b5%84%e7%9a%84%e9%ab%98%e7%b4%9a%e9%a1%9e%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e4%ba%86%e8%a7%a3typescript%e4%b8%ad%e6%95%b8%e7%b5%84%e7%9a%84%e9%ab%98%e7%b4%9a%e9%a1%9e%e5%9e%8b\/","title":{"rendered":"\u4e86\u89e3TypeScript\u4e2d\u6578\u7d44\u7684\u9ad8\u7d1a\u985e\u578b"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, \u6578\u7d44\u7684\u9ad8\u7d1a\u985e\u578b, Advanced Array Types\"><\/p>\n<h1>TypeScript \u6578\u7d44\u7684\u9ad8\u7d1a\u985e\u578b(Advanced Array Types)<\/h1>\n<p>TypeScript \u662f\u4e00\u7a2e JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u7279\u6027\uff0c\u8b93\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u5bb9\u6613\u5730\u958b\u767c\u51fa\u66f4\u512a\u8cea\u7684\u7a0b\u5f0f\u78bc\u3002\u5176\u4e2d\u4e00\u500b\u91cd\u8981\u7684\u7279\u6027\u5c31\u662f\u300c\u6578\u7d44\u7684\u9ad8\u7d1a\u985e\u578b(Advanced Array Types)\u300d\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u64cd\u4f5c\u6578\u7d44\uff0c\u4e26\u4e14\u66f4\u5bb9\u6613\u5730\u6aa2\u67e5\u7a0b\u5f0f\u78bc\u7684\u578b\u5225\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u5728 TypeScript \u4e2d\uff0c\u6578\u7d44\u7684\u9ad8\u7d1a\u985e\u578b\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u64cd\u4f5c\u6578\u7d44\uff0c\u4e26\u4e14\u66f4\u5bb9\u6613\u5730\u6aa2\u67e5\u7a0b\u5f0f\u78bc\u7684\u578b\u5225\u3002\u4f8b\u5982\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528\u300c\u9663\u5217\u578b\u5225(Array Types)\u300d\u4f86\u5b9a\u7fa9\u4e00\u500b\u9663\u5217\uff0c\u4e26\u4e14\u6307\u5b9a\u9663\u5217\u4e2d\u7684\u5143\u7d20\u7684\u578b\u5225\uff1a<\/p>\n<pre class=\"brush: typescript\">\nlet numbers: number[] = [1, 2, 3, 4, 5];\n<\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba numbers \u7684\u9663\u5217\uff0c\u4e26\u4e14\u6307\u5b9a\u4e86\u9663\u5217\u4e2d\u7684\u5143\u7d20\u7684\u578b\u5225\u70ba number\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u958b\u767c\u8005\u9084\u53ef\u4ee5\u4f7f\u7528\u300c\u6cdb\u578b\u9663\u5217\u578b\u5225(Generic Array Types)\u300d\u4f86\u5b9a\u7fa9\u4e00\u500b\u6cdb\u578b\u9663\u5217\uff0c\u4e26\u4e14\u6307\u5b9a\u9663\u5217\u4e2d\u7684\u5143\u7d20\u7684\u578b\u5225\uff1a<\/p>\n<pre class=\"brush: typescript\">\nlet numbers: Array<number> = [1, 2, 3, 4, 5];\n<\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba numbers \u7684\u6cdb\u578b\u9663\u5217\uff0c\u4e26\u4e14\u6307\u5b9a\u4e86\u9663\u5217\u4e2d\u7684\u5143\u7d20\u7684\u578b\u5225\u70ba number\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u958b\u767c\u8005\u9084\u53ef\u4ee5\u4f7f\u7528\u300c\u5143\u7d44\u578b\u5225(Tuple Types)\u300d\u4f86\u5b9a\u7fa9\u4e00\u500b\u5143\u7d44\uff0c\u4e26\u4e14\u6307\u5b9a\u5143\u7d44\u4e2d\u7684\u5143\u7d20\u7684\u578b\u5225\uff1a<\/p>\n<pre class=\"brush: typescript\">\nlet numbers: [number, number, number] = [1, 2, 3];\n<\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba numbers \u7684\u5143\u7d44\uff0c\u4e26\u4e14\u6307\u5b9a\u4e86\u5143\u7d44\u4e2d\u7684\u5143\u7d20\u7684\u578b\u5225\u70ba number\u3002<\/p>\n<p>\u6700\u5f8c\uff0c\u958b\u767c\u8005\u9084\u53ef\u4ee5\u4f7f\u7528\u300c\u806f\u5408\u578b\u5225(Union Types)\u300d\u4f86\u5b9a\u7fa9\u4e00\u500b\u806f\u5408\u578b\u5225\uff0c\u4e26\u4e14\u6307\u5b9a\u806f\u5408\u578b\u5225\u4e2d\u7684\u5143\u7d20\u7684\u578b\u5225\uff1a<\/p>\n<pre class=\"brush: typescript\">\nlet numbers: (number | string)[] = [1, '2', 3];\n<\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba numbers \u7684\u806f\u5408\u578b\u5225\uff0c\u4e26\u4e14\u6307\u5b9a\u4e86\u806f\u5408\u578b\u5225\u4e2d\u7684\u5143\u7d20\u7684\u578b\u5225\u70ba number \u6216 string\u3002<\/p>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0cTypeScript \u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u7684\u300c\u6578\u7d44\u7684\u9ad8\u7d1a\u985e\u578b(Advanced Array Types)\u300d\uff0c\u8b93\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u5bb9\u6613\u5730\u64cd\u4f5c\u6578\u7d44\uff0c\u4e26\u4e14\u66f4\u5bb9\u6613\u5730\u6aa2\u67e5\u7a0b\u5f0f\u78bc\u7684\u578b\u5225\u3002\u9019\u4e9b\u9ad8\u7d1a\u985e\u578b\u5305\u62ec\u300c\u9663\u5217\u578b\u5225(Array Types)\u300d\u3001\u300c\u6cdb\u578b\u9663\u5217\u578b\u5225(Generic Array Types)\u300d\u3001\u300c\u5143\u7d44\u578b\u5225(Tuple Types)\u300d\u4ee5\u53ca\u300c\u806f\u5408\u578b\u5225(Union Types)\u300d\uff0c\u5b83\u5011\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u64cd\u4f5c\u6578\u7d44\uff0c\u4e26\u4e14\u66f4\u5bb9\u6613\u5730\u6aa2\u67e5\u7a0b\u5f0f\u78bc\u7684\u578b\u5225\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981:TypeScript\u4e2d\u7684\u6578\u7d44\u9ad8\u7d1a\u985e\u578b\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u52a0\u6709\u6548\u7387\u7684\u4f7f\u7528\u6578\u7d44\uff0c\u672c\u6587\u5c07\u4ecb\u7d39TypeScript\u4e2d\u6578\u7d44\u7684\u9ad8\u7d1a\u985e\u578b\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u5011\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-5062","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\/pcFK27-1jE","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5062","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=5062"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5062\/revisions"}],"predecessor-version":[{"id":5063,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5062\/revisions\/5063"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5062"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5062"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5062"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}