{"id":4922,"date":"2023-01-05T11:19:28","date_gmt":"2023-01-05T03:19:28","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=4922"},"modified":"2023-01-05T11:19:28","modified_gmt":"2023-01-05T03:19:28","slug":"%e4%ba%86%e8%a7%a3typescript%e4%b8%ad%e7%9a%84%e5%89%a9%e9%a4%98%e5%8f%83%e6%95%b8restparameters%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e4%ba%86%e8%a7%a3typescript%e4%b8%ad%e7%9a%84%e5%89%a9%e9%a4%98%e5%8f%83%e6%95%b8restparameters%e5%8a%9f%e8%83%bd\/","title":{"rendered":"\u4e86\u89e3TypeScript\u4e2d\u7684\u5269\u9918\u53c3\u6578(RestParameters)\u529f\u80fd"},"content":{"rendered":"

<\/p>\n

TypeScript \u4e2d\u7684\u5269\u9918\u53c3\u6578(Rest Parameters)<\/h1>\n

TypeScript \u4e2d\u7684\u5269\u9918\u53c3\u6578(Rest Parameters)\u53ef\u4ee5\u8b93\u6211\u5011\u5728\u51fd\u5f0f\u4e2d\u63a5\u6536\u4efb\u610f\u6578\u91cf\u7684\u53c3\u6578\uff0c\u800c\u4e0d\u9700\u8981\u6307\u5b9a\u53c3\u6578\u7684\u6578\u91cf\u3002\u5b83\u53ef\u4ee5\u8b93\u6211\u5011\u66f4\u52a0\u5f48\u6027\u7684\u4f7f\u7528\u51fd\u5f0f\uff0c\u4e26\u4e14\u53ef\u4ee5\u66f4\u52a0\u7c21\u6f54\u7684\u5beb\u51fa\u7a0b\u5f0f\u78bc\u3002<\/p>\n

<\/p>\n

\u5728 TypeScript \u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 …<\/span> \u4f86\u5ba3\u544a\u5269\u9918\u53c3\u6578\uff0c\u5b83\u6703\u88ab\u8f49\u63db\u6210\u4e00\u500b\u9663\u5217\uff0c\u53ef\u4ee5\u5728\u51fd\u5f0f\u4e2d\u4f7f\u7528\u3002\u4f8b\u5982\uff1a<\/p>\n

\nfunction sum(...numbers: number[]) {\n    let result = 0;\n    for (let i = 0; i < numbers.length; i++) {\n        result += numbers[i];\n    }\n    return result;\n}\n\nlet result = sum(1, 2, 3, 4, 5);\nconsole.log(result); \/\/ 15\n<\/pre>\n
\u5728\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 ...numbers<\/span> \u4f86\u5ba3\u544a\u5269\u9918\u53c3\u6578\uff0c\u4e26\u4e14\u6307\u5b9a\u5b83\u662f\u4e00\u500b number<\/span> \u9663\u5217\u3002\u5728\u51fd\u5f0f\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 numbers<\/span> \u4f86\u53d6\u5f97\u50b3\u5165\u7684\u53c3\u6578\uff0c\u4e26\u4e14\u53ef\u4ee5\u4f7f\u7528 numbers.length<\/span> \u4f86\u53d6\u5f97\u50b3\u5165\u53c3\u6578\u7684\u6578\u91cf\u3002<\/p>\n
\u53e6\u5916\uff0c\u6211\u5011\u4e5f\u53ef\u4ee5\u5728\u5269\u9918\u53c3\u6578\u524d\u9762\u52a0\u4e0a\u5176\u4ed6\u53c3\u6578\uff0c\u4f8b\u5982\uff1a<\/p>\n
\nfunction sum(a: number, b: number, ...numbers: number[]) {\n    let result = a + b;\n    for (let i = 0; i < numbers.length; i++) {\n        result += numbers[i];\n    }\n    return result;\n}\n\nlet result = sum(1, 2, 3, 4, 5);\nconsole.log(result); \/\/ 15\n<\/pre>\n
\u5728\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u4e2d\uff0c\u6211\u5011\u5728\u5269\u9918\u53c3\u6578\u524d\u9762\u52a0\u4e0a\u5169\u500b\u53c3\u6578 a<\/span> \u548c b<\/span>\uff0c\u4e26\u4e14\u5728\u51fd\u5f0f\u4e2d\u5c07\u5b83\u5011\u52a0\u7e3d\u8d77\u4f86\u3002<\/p>\n
\u5269\u9918\u53c3\u6578\u53ef\u4ee5\u8b93\u6211\u5011\u66f4\u52a0\u5f48\u6027\u7684\u4f7f\u7528\u51fd\u5f0f\uff0c\u4e26\u4e14\u53ef\u4ee5\u66f4\u52a0\u7c21\u6f54\u7684\u5beb\u51fa\u7a0b\u5f0f\u78bc\uff0c\u662f TypeScript \u4e2d\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u529f\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e86\u89e3TypeScript\u4e2d\u7684\u5269\u9918\u53c3\u6578(RestParameters)\u529f\u80fd\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u6709\u6548\u7387\u7684\u4f7f\u7528\u51fd\u6578\uff0c\u66f4\u5feb\u901f\u7684\u5b8c\u6210\u958b\u767c\u4efb\u52d9\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5269\u9918\u53c3\u6578\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u4ee5\u53ca\u5982\u4f55\u5728TypeScript\u4e2d\u4f7f\u7528\u5b83\u5011\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-4922","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\/pcFK27-1ho","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4922","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=4922"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4922\/revisions"}],"predecessor-version":[{"id":4923,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4922\/revisions\/4923"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=4922"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=4922"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=4922"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}