{"id":5000,"date":"2023-01-05T11:36:08","date_gmt":"2023-01-05T03:36:08","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5000"},"modified":"2023-01-05T11:36:08","modified_gmt":"2023-01-05T03:36:08","slug":"%e4%ba%86%e8%a7%a3typescript%e7%b7%a8%e8%ad%af%e5%99%a8%e5%b8%b8%e9%87%8f%e7%9a%84%e5%8a%9f%e8%83%bd%e8%88%87%e5%83%b9%e5%80%bc","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e4%ba%86%e8%a7%a3typescript%e7%b7%a8%e8%ad%af%e5%99%a8%e5%b8%b8%e9%87%8f%e7%9a%84%e5%8a%9f%e8%83%bd%e8%88%87%e5%83%b9%e5%80%bc\/","title":{"rendered":"\u4e86\u89e3TypeScript\u7de8\u8b6f\u5668\u5e38\u91cf\u7684\u529f\u80fd\u8207\u50f9\u503c"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, Compiler Constants\"><\/p>\n<h1>TypeScript \u7de8\u8b6f\u5668\u5e38\u91cf<\/h1>\n<p>TypeScript \u662f\u4e00\u7a2e JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u529f\u80fd\uff0c\u4f8b\u5982\u985e\u578b\u6aa2\u67e5\u548c\u7de8\u8b6f\u5668\u5e38\u91cf\u3002\u7de8\u8b6f\u5668\u5e38\u91cf\u662f TypeScript \u7684\u4e00\u500b\u91cd\u8981\u7279\u6027\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5728\u7de8\u8b6f\u6642\u5c0d\u7a0b\u5f0f\u78bc\u9032\u884c\u66f4\u591a\u7684\u63a7\u5236\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u7de8\u8b6f\u5668\u5e38\u91cf\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u8b8a\u6578\uff0c\u5b83\u53ef\u4ee5\u5728\u7de8\u8b6f\u6642\u88ab\u8a2d\u5b9a\uff0c\u800c\u4e0d\u662f\u5728\u57f7\u884c\u6642\u3002\u5b83\u53ef\u4ee5\u7528\u65bc\u63a7\u5236\u7de8\u8b6f\u5668\u7684\u884c\u70ba\uff0c\u4f8b\u5982\u555f\u7528\u6216\u7981\u7528\u7279\u5b9a\u7684\u529f\u80fd\uff0c\u6216\u8005\u63a7\u5236\u7de8\u8b6f\u5668\u7684\u8f38\u51fa\u3002<\/p>\n<h2>\u5982\u4f55\u4f7f\u7528\u7de8\u8b6f\u5668\u5e38\u91cf<\/h2>\n<p>\u4f7f\u7528\u7de8\u8b6f\u5668\u5e38\u91cf\u7684\u65b9\u6cd5\u5f88\u7c21\u55ae\uff0c\u53ea\u9700\u8981\u5728 TypeScript \u7a0b\u5f0f\u78bc\u4e2d\u5ba3\u544a\u4e00\u500b\u8b8a\u6578\uff0c\u4e26\u5c07\u5b83\u8a2d\u5b9a\u70ba\u7de8\u8b6f\u5668\u5e38\u91cf\uff1a<\/p>\n<pre class=\"brush: typescript\">\nconst MY_CONSTANT = \"my_constant\";\n<\/pre>\n<p>\u63a5\u8457\uff0c\u53ef\u4ee5\u5728\u7a0b\u5f0f\u78bc\u4e2d\u4f7f\u7528\u9019\u500b\u8b8a\u6578\uff1a<\/p>\n<pre class=\"brush: typescript\">\nif (MY_CONSTANT === \"my_constant\") {\n    \/\/ do something\n}\n<\/pre>\n<h2>\u7de8\u8b6f\u5668\u5e38\u91cf\u7684\u512a\u9ede<\/h2>\n<p>\u7de8\u8b6f\u5668\u5e38\u91cf\u7684\u6700\u5927\u512a\u9ede\u662f\u53ef\u4ee5\u5728\u7de8\u8b6f\u6642\u5c0d\u7a0b\u5f0f\u78bc\u9032\u884c\u66f4\u591a\u7684\u63a7\u5236\uff0c\u800c\u4e0d\u662f\u5728\u57f7\u884c\u6642\u3002\u5b83\u53ef\u4ee5\u7528\u65bc\u63a7\u5236\u7de8\u8b6f\u5668\u7684\u884c\u70ba\uff0c\u4f8b\u5982\u555f\u7528\u6216\u7981\u7528\u7279\u5b9a\u7684\u529f\u80fd\uff0c\u6216\u8005\u63a7\u5236\u7de8\u8b6f\u5668\u7684\u8f38\u51fa\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u7de8\u8b6f\u5668\u5e38\u91cf\u4e5f\u53ef\u4ee5\u7528\u65bc\u6e1b\u5c11\u7a0b\u5f0f\u78bc\u7684\u8907\u96dc\u5ea6\uff0c\u56e0\u70ba\u5b83\u53ef\u4ee5\u7528\u65bc\u66ff\u4ee3\u91cd\u8907\u7684\u7a0b\u5f0f\u78bc\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre class=\"brush: typescript\">\nif (MY_CONSTANT === \"my_constant\") {\n    \/\/ do something\n}\n\nif (MY_CONSTANT === \"my_other_constant\") {\n    \/\/ do something else\n}\n<\/pre>\n<h2>\u7e3d\u7d50<\/h2>\n<p>TypeScript \u7684\u7de8\u8b6f\u5668\u5e38\u91cf\u662f\u4e00\u500b\u5f88\u6709\u7528\u7684\u7279\u6027\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5728\u7de8\u8b6f\u6642\u5c0d\u7a0b\u5f0f\u78bc\u9032\u884c\u66f4\u591a\u7684\u63a7\u5236\uff0c\u4e26\u6e1b\u5c11\u7a0b\u5f0f\u78bc\u7684\u8907\u96dc\u5ea6\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981:TypeScript\u7de8\u8b6f\u5668\u5e38\u91cf\u662f\u4e00\u7a2e\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u6709\u6548\u7387\u7684\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u5728\u7de8\u7a0b\u6642\u66f4\u5feb\u901f\u5730\u6aa2\u67e5\u548c\u66f4\u6539\u7a0b\u5f0f\u78bc\uff0c\u4e26\u4e14\u53ef\u4ee5\u6e1b\u5c11\u7a0b\u5f0f\u78bc\u7684\u932f\u8aa4\u7387\u3002\u672c\u6587\u5c07\u4ecb\u7d39TypeScript\u7de8\u8b6f\u5668\u5e38\u91cf\u7684\u529f\u80fd\u8207\u50f9\u503c\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-5000","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\/pcFK27-1iE","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5000","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=5000"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5000\/revisions"}],"predecessor-version":[{"id":5001,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5000\/revisions\/5001"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5000"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5000"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5000"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}