{"id":5002,"date":"2023-01-05T11:36:14","date_gmt":"2023-01-05T03:36:14","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5002"},"modified":"2023-01-05T11:36:14","modified_gmt":"2023-01-05T03:36:14","slug":"%e4%ba%86%e8%a7%a3typescript%e6%8e%a5%e5%8f%a3%e4%b8%ad%e5%8f%af%e9%81%b8%e5%b1%ac%e6%80%a7%e7%9a%84%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e4%ba%86%e8%a7%a3typescript%e6%8e%a5%e5%8f%a3%e4%b8%ad%e5%8f%af%e9%81%b8%e5%b1%ac%e6%80%a7%e7%9a%84%e5%8a%9f%e8%83%bd\/","title":{"rendered":"\u4e86\u89e3TypeScript\u63a5\u53e3\u4e2d\u53ef\u9078\u5c6c\u6027\u7684\u529f\u80fd"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, \u63a5\u53e3, \u53ef\u9009\u5c5e\u6027\"><\/p>\n<h1>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u9009\u5c5e\u6027<\/h1>\n<p>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u9009\u5c5e\u6027\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u529f\u80fd\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5728\u5b9a\u7fa9\u63a5\u53e3\u6642\uff0c\u53ef\u4ee5\u6307\u5b9a\u67d0\u4e9b\u5c6c\u6027\u662f\u53ef\u9078\u7684\u3002\u9019\u6a23\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5728\u5b9a\u7fa9\u63a5\u53e3\u6642\uff0c\u53ef\u4ee5\u66f4\u52a0\u5f48\u6027\u7684\u5b9a\u7fa9\u63a5\u53e3\uff0c\u800c\u4e0d\u7528\u64d4\u5fc3\u67d0\u4e9b\u5c6c\u6027\u6c92\u6709\u88ab\u5b9a\u7fa9\u5c31\u6703\u51fa\u932f\u3002<\/p>\n<h2>\u4f7f\u7528 TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u9009\u5c5e\u6027<\/h2>\n<p>\u4f7f\u7528 TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u9009\u5c5e\u6027\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5728\u5b9a\u7fa9\u63a5\u53e3\u6642\uff0c\u53ef\u4ee5\u6307\u5b9a\u67d0\u4e9b\u5c6c\u6027\u662f\u53ef\u9078\u7684\u3002\u53ef\u4ee5\u4f7f\u7528 <code>?<\/code> \u4f86\u6a19\u8a18\u67d0\u500b\u5c6c\u6027\u662f\u53ef\u9078\u7684\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre class=\"brush: typescript\">\ninterface Person {\n  name: string;\n  age?: number;\n}\n<\/pre>\n<p>\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c<code>age<\/code> \u5c6c\u6027\u662f\u53ef\u9078\u7684\uff0c\u4e5f\u5c31\u662f\u8aaa\uff0c\u5728\u5b9a\u7fa9 <code>Person<\/code> \u63a5\u53e3\u7684\u6642\u5019\uff0c\u53ef\u4ee5\u4e0d\u7528\u5b9a\u7fa9 <code>age<\/code> \u5c6c\u6027\u3002<\/p>\n<h2>\u5be6\u969b\u61c9\u7528<\/h2>\n<p>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u9009\u5c5e\u6027\u53ef\u4ee5\u7528\u5728\u5f88\u591a\u5730\u65b9\uff0c\u4f8b\u5982\uff0c\u7576\u6211\u5011\u5b9a\u7fa9\u4e00\u500b\u51fd\u6578\u7684\u53c3\u6578\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u53ef\u9078\u5c6c\u6027\u4f86\u6307\u5b9a\u67d0\u4e9b\u53c3\u6578\u662f\u53ef\u9078\u7684\uff1a<\/p>\n<pre class=\"brush: typescript\">\nfunction greet(person: Person) {\n  console.log(`Hello, ${person.name}`);\n}\n\ngreet({ name: 'John' }); \/\/ Hello, John\n<\/pre>\n<p>\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c<code>greet<\/code> \u51fd\u6578\u63a5\u53d7\u4e00\u500b <code>Person<\/code> \u63a5\u53e3\u7684\u53c3\u6578\uff0c\u4f46\u662f <code>Person<\/code> \u63a5\u53e3\u4e2d\u7684 <code>age<\/code> \u5c6c\u6027\u662f\u53ef\u9078\u7684\uff0c\u6240\u4ee5\u53ef\u4ee5\u4e0d\u7528\u50b3\u5165 <code>age<\/code> \u5c6c\u6027\uff0c\u800c\u53ea\u50b3\u5165 <code>name<\/code> \u5c6c\u6027\u3002<\/p>\n<h2>\u7e3d\u7d50<\/h2>\n<p>TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u9009\u5c5e\u6027\u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u529f\u80fd\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5728\u5b9a\u7fa9\u63a5\u53e3\u6642\uff0c\u53ef\u4ee5\u6307\u5b9a\u67d0\u4e9b\u5c6c\u6027\u662f\u53ef\u9078\u7684\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5728\u5b9a\u7fa9\u63a5\u53e3\u6642\uff0c\u53ef\u4ee5\u66f4\u52a0\u5f48\u6027\u7684\u5b9a\u7fa9\u63a5\u53e3\uff0c\u800c\u4e0d\u7528\u64d4\u5fc3\u67d0\u4e9b\u5c6c\u6027\u6c92\u6709\u88ab\u5b9a\u7fa9\u5c31\u6703\u51fa\u932f\u3002<!--more-->TypeScript \u63a5\u53e3(interfaces)\u7684\u53ef\u9009\u5c5e\u6027\u53ef\u4ee5\u7528\u5728\u5f88\u591a\u5730\u65b9\uff0c\u4f8b\u5982\uff0c\u7576\u6211\u5011\u5b9a\u7fa9\u4e00\u500b\u51fd\u6578\u7684\u53c3\u6578\u6642\uff0c\u53ef\u4ee5\u4f7f\u7528\u53ef\u9078\u5c6c\u6027\u4f86\u6307\u5b9a\u67d0\u4e9b\u53c3\u6578\u662f\u53ef\u9078\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3TypeScript\u63a5\u53e3\u4e2d\u53ef\u9078\u5c6c\u6027\u7684\u529f\u80fd\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u52a0\u7cbe\u78ba\u5730\u5b9a\u7fa9\u63a5\u53e3\uff0c\u4e26\u63d0\u4f9b\u66f4\u591a\u7684\u5f48\u6027\uff0c\u4ee5\u6eff\u8db3\u4e0d\u540c\u7684\u958b\u767c\u9700\u6c42\u3002\u672c\u6587\u5c07\u8a73\u7d30\u4ecb\u7d39TypeScript\u63a5\u53e3\u4e2d\u53ef\u9078\u5c6c\u6027\u7684\u529f\u80fd\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u4f86\u89e3\u91cb\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-5002","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\/pcFK27-1iG","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5002","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=5002"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5002\/revisions"}],"predecessor-version":[{"id":5003,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5002\/revisions\/5003"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5002"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5002"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5002"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}