{"id":5158,"date":"2023-01-05T12:05:16","date_gmt":"2023-01-05T04:05:16","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5158"},"modified":"2023-01-05T12:05:16","modified_gmt":"2023-01-05T04:05:16","slug":"%e5%ad%b8%e7%bf%92typescript%e5%87%bd%e6%95%b8%e9%87%8d%e8%bc%89%e7%9a%84%e5%9f%ba%e7%a4%8e%e7%9f%a5%e8%ad%98","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e5%ad%b8%e7%bf%92typescript%e5%87%bd%e6%95%b8%e9%87%8d%e8%bc%89%e7%9a%84%e5%9f%ba%e7%a4%8e%e7%9f%a5%e8%ad%98\/","title":{"rendered":"\u5b78\u7fd2TypeScript\u51fd\u6578\u91cd\u8f09\u7684\u57fa\u790e\u77e5\u8b58"},"content":{"rendered":"

<\/p>\n

TypeScript \u51fd\u6570(functions)\u7684\u51fd\u6570\u91cd\u8f7d<\/h1>\n

TypeScript \u662f\u4e00\u7a2e\u7531\u5fae\u8edf\u958b\u767c\u7684 JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u985e\u578b\u7cfb\u7d71\u548c\u5c0d ECMAScript 2015+ \u7684\u652f\u6301\uff0c\u4e26\u4e14\u652f\u6301\u51fd\u6578\u91cd\u8f09\u3002\u51fd\u6578\u91cd\u8f09\u662f\u4e00\u7a2e\u6280\u8853\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5b9a\u7fa9\u591a\u500b\u51fd\u6578\uff0c\u4f46\u662f\u5b83\u5011\u7684\u540d\u5b57\u76f8\u540c\uff0c\u4f46\u662f\u53c3\u6578\u5217\u8868\u4e0d\u540c\u3002<\/p>\n

\u4ec0\u9ebc\u662f\u51fd\u6578\u91cd\u8f09\uff1f<\/h2>\n

\u51fd\u6578\u91cd\u8f09\u662f\u4e00\u7a2e\u6280\u8853\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5b9a\u7fa9\u591a\u500b\u51fd\u6578\uff0c\u4f46\u662f\u5b83\u5011\u7684\u540d\u5b57\u76f8\u540c\uff0c\u4f46\u662f\u53c3\u6578\u5217\u8868\u4e0d\u540c\u3002\u9019\u6a23\u505a\u7684\u76ee\u7684\u662f\u70ba\u4e86\u8b93\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u5bb9\u6613\u5730\u64cd\u4f5c\u4e0d\u540c\u985e\u578b\u7684\u53c3\u6578\uff0c\u800c\u4e0d\u9700\u8981\u5beb\u591a\u500b\u51fd\u6578\u4f86\u64cd\u4f5c\u4e0d\u540c\u985e\u578b\u7684\u53c3\u6578\u3002<\/p>\n

TypeScript \u4e2d\u7684\u51fd\u6578\u91cd\u8f09<\/h2>\n

TypeScript \u652f\u6301\u51fd\u6578\u91cd\u8f09\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5b9a\u7fa9\u591a\u500b\u51fd\u6578\uff0c\u4f46\u662f\u5b83\u5011\u7684\u540d\u5b57\u76f8\u540c\uff0c\u4f46\u662f\u53c3\u6578\u5217\u8868\u4e0d\u540c\u3002TypeScript \u4e2d\u7684\u51fd\u6578\u91cd\u8f09\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u64cd\u4f5c\u4e0d\u540c\u985e\u578b\u7684\u53c3\u6578\uff0c\u800c\u4e0d\u9700\u8981\u5beb\u591a\u500b\u51fd\u6578\u4f86\u64cd\u4f5c\u4e0d\u540c\u985e\u578b\u7684\u53c3\u6578\u3002<\/p>\n

TypeScript \u4e2d\u7684\u51fd\u6578\u91cd\u8f09\u793a\u4f8b<\/h2>\n

\u4e0b\u9762\u662f\u4e00\u500b TypeScript \u4e2d\u7684\u51fd\u6578\u91cd\u8f09\u7684\u793a\u4f8b\uff1a<\/p>\n

\nfunction add(a: number, b: number): number;\nfunction add(a: string, b: string): string;\nfunction add(a: any, b: any): any {\n    return a + b;\n}\n\nlet result1 = add(1, 2); \/\/ result1 = 3\nlet result2 = add(\"Hello \", \"World\"); \/\/ result2 = \"Hello World\"\n<\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u540d\u70ba add<\/code> \u7684\u51fd\u6578\uff0c\u5b83\u53ef\u4ee5\u63a5\u53d7\u5169\u500b\u53c3\u6578\uff0c\u53c3\u6578\u7684\u985e\u578b\u53ef\u4ee5\u662f number<\/code> \u6216 string<\/code>\uff0c\u5b83\u6703\u6839\u64da\u53c3\u6578\u7684\u985e\u578b\u4f86\u57f7\u884c\u4e0d\u540c\u7684\u64cd\u4f5c\uff0c\u5982\u679c\u53c3\u6578\u662f number<\/code> \u985e\u578b\uff0c\u5247\u6703\u5c07\u5169\u500b\u53c3\u6578\u76f8\u52a0\uff0c\u5982\u679c\u53c3\u6578\u662f string<\/code> \u985e\u578b\uff0c\u5247\u6703\u5c07\u5169\u500b\u53c3\u6578\u9023\u63a5\u8d77\u4f86\u3002<\/p>\n
\u7e3d\u7d50<\/h2>\n
TypeScript \u652f\u6301\u51fd\u6578\u91cd\u8f09\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5b9a\u7fa9\u591a\u500b\u51fd\u6578\uff0c\u4f46\u662f\u5b83\u5011\u7684\u540d\u5b57\u76f8\u540c\uff0c\u4f46\u662f\u53c3\u6578\u5217\u8868\u4e0d\u540c\u3002TypeScript \u4e2d\u7684\u51fd\u6578\u91cd\u8f09\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u5bb9\u6613\u5730\u64cd\u4f5c\u4e0d\u540c\u985e\u578b\u7684\u53c3\u6578\uff0c\u800c\u4e0d\u9700\u8981\u5beb\u591a\u500b\u51fd\u6578\u4f86\u64cd\u4f5c\u4e0d\u540c\u985e\u578b\u7684\u53c3\u6578\u3002\u901a\u904e\u4f7f\u7528 TypeScript \u4e2d\u7684\u51fd\u6578\u91cd\u8f09\uff0c\u53ef\u4ee5\u66f4\u5bb9\u6613\u5730\u64cd\u4f5c\u4e0d\u540c\u985e\u578b\u7684\u53c3\u6578\uff0c\u4e26\u4e14\u53ef\u4ee5\u66f4\u5bb9\u6613\u5730\u7dad\u8b77\u4ee3\u78bc\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6458\u8981\uff1aTypeScript\u51fd\u6578\u91cd\u8f09\u662f\u4e00\u7a2e\u6280\u8853\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5728\u540c\u4e00\u500b\u51fd\u6578\u4e2d\u5b9a\u7fa9\u591a\u500b\u4e0d\u540c\u7684\u53c3\u6578\u7d44\u5408\uff0c\u4ee5\u6eff\u8db3\u4e0d\u540c\u7684\u9700\u6c42\u3002\u672c\u6587\u5c07\u4ecb\u7d39TypeScript\u51fd\u6578\u91cd\u8f09\u7684\u57fa\u790e\u77e5\u8b58\uff0c\u5305\u62ec\u5b83\u7684\u5b9a\u7fa9\u3001\u539f\u7406\u3001\u512a\u9ede\u548c\u61c9\u7528\u7b49\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-5158","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\/pcFK27-1lc","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5158","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=5158"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5158\/revisions"}],"predecessor-version":[{"id":5159,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5158\/revisions\/5159"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5158"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5158"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5158"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}