{"id":5506,"date":"2023-01-05T12:51:06","date_gmt":"2023-01-05T04:51:06","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5506"},"modified":"2023-01-05T12:51:06","modified_gmt":"2023-01-05T04:51:06","slug":"%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8typescriptmap%e5%88%a4%e6%96%b7map%e7%89%a9%e4%bb%b6%e4%b8%ad%e6%98%af%e5%90%a6%e5%ad%98%e5%9c%a8%e6%8c%87%e5%ae%9a%e5%80%bc","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e5%a6%82%e4%bd%95%e5%88%a9%e7%94%a8typescriptmap%e5%88%a4%e6%96%b7map%e7%89%a9%e4%bb%b6%e4%b8%ad%e6%98%af%e5%90%a6%e5%ad%98%e5%9c%a8%e6%8c%87%e5%ae%9a%e5%80%bc\/","title":{"rendered":"\u5982\u4f55\u5229\u7528TypeScriptMap\u5224\u65b7Map\u7269\u4ef6\u4e2d\u662f\u5426\u5b58\u5728\u6307\u5b9a\u503c"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, Map, containsValue\"><\/p>\n<h1>\u4f7f\u7528 TypeScript Map \u5224\u65b7 Map \u5bf9\u8c61\u4e2d\u662f\u5426\u5b58\u5728\u6307\u5b9a\u503c(containsValue)<\/h1>\n<p>TypeScript Map \u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u8b93\u6211\u5011\u5feb\u901f\u5730\u67e5\u627e\u7279\u5b9a\u7684\u503c\uff0c\u4e26\u4e14\u53ef\u4ee5\u66f4\u6709\u6548\u7387\u5730\u64cd\u4f5c Map \u5c0d\u8c61\u4e2d\u7684\u8cc7\u6599\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5c07\u8a0e\u8ad6\u5982\u4f55\u4f7f\u7528 TypeScript Map \u4f86\u5224\u65b7 Map \u5c0d\u8c61\u4e2d\u662f\u5426\u5b58\u5728\u6307\u5b9a\u7684\u503c\uff08containsValue\uff09\u3002<\/p>\n<h2>TypeScript Map \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>TypeScript Map \u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u8b93\u6211\u5011\u5feb\u901f\u5730\u67e5\u627e\u7279\u5b9a\u7684\u503c\uff0c\u4e26\u4e14\u53ef\u4ee5\u66f4\u6709\u6548\u7387\u5730\u64cd\u4f5c Map \u5c0d\u8c61\u4e2d\u7684\u8cc7\u6599\u3002Map \u5c0d\u8c61\u662f\u4e00\u500b\u9375\u503c\u5c0d\u7684\u96c6\u5408\uff0c\u5b83\u53ef\u4ee5\u5c07\u7279\u5b9a\u7684\u9375\u8207\u7279\u5b9a\u7684\u503c\u76f8\u95dc\u806f\uff0c\u4e26\u4e14\u53ef\u4ee5\u901a\u904e\u9375\u4f86\u67e5\u627e\u503c\u3002<\/p>\n<p>TypeScript Map \u5c0d\u8c61\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u6cd5\u4f86\u5275\u5efa\uff1a<\/p>\n<pre class=\"brush: javascript\">\nlet myMap = new Map();\n<\/pre>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u6cd5\u4f86\u5c07\u9375\u548c\u503c\u6dfb\u52a0\u5230 Map \u5c0d\u8c61\u4e2d\uff1a<\/p>\n<pre class=\"brush: javascript\">\nmyMap.set(\"key1\", \"value1\");\nmyMap.set(\"key2\", \"value2\");\n<\/pre>\n<p>\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u6cd5\u4f86\u67e5\u627e\u7279\u5b9a\u7684\u503c\uff1a<\/p>\n<pre class=\"brush: javascript\">\nlet value = myMap.get(\"key1\");\n<\/pre>\n<h2>\u4f7f\u7528 TypeScript Map \u5224\u65b7 Map \u5c0d\u8c61\u4e2d\u662f\u5426\u5b58\u5728\u6307\u5b9a\u7684\u503c\uff08containsValue\uff09<\/h2>\n<p>TypeScript Map \u63d0\u4f9b\u4e86\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u7528\u4f86\u5224\u65b7 Map \u5c0d\u8c61\u4e2d\u662f\u5426\u5b58\u5728\u6307\u5b9a\u7684\u503c\uff08containsValue\uff09\u3002\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u8a9e\u6cd5\u4f86\u6aa2\u67e5 Map \u5c0d\u8c61\u4e2d\u662f\u5426\u5b58\u5728\u6307\u5b9a\u7684\u503c\uff1a<\/p>\n<pre class=\"brush: javascript\">\nlet containsValue = myMap.has(\"key1\");\n<\/pre>\n<p>\u5982\u679c Map \u5c0d\u8c61\u4e2d\u5b58\u5728\u6307\u5b9a\u7684\u503c\uff0c\u5247 containsValue \u7684\u503c\u5c07\u70ba true\uff0c\u5426\u5247\u5c07\u70ba false\u3002<\/p>\n<h2>\u7e3d\u7d50<\/h2>\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u8a0e\u8ad6\u4e86\u5982\u4f55\u4f7f\u7528 TypeScript Map \u4f86\u5224\u65b7 Map \u5c0d\u8c61\u4e2d\u662f\u5426\u5b58\u5728\u6307\u5b9a\u7684\u503c\uff08containsValue\uff09\u3002\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 has() \u65b9\u6cd5\u4f86\u6aa2\u67e5 Map \u5c0d\u8c61\u4e2d\u662f\u5426\u5b58\u5728\u6307\u5b9a\u7684\u503c\uff0c\u5982\u679c\u5b58\u5728\uff0c\u5247 containsValue \u7684\u503c\u5c07\u70ba true\uff0c\u5426\u5247\u5c07\u70ba false\u3002<\/p>\n<p><!--more--><\/p>\n<p>TypeScript Map \u662f\u4e00\u500b\u975e\u5e38\u6709\u7528\u7684\u5de5\u5177\uff0c\u5b83\u53ef\u4ee5\u8b93\u6211\u5011\u5feb\u901f\u5730\u67e5\u627e\u7279\u5b9a\u7684\u503c\uff0c\u4e26\u4e14\u53ef\u4ee5\u66f4\u6709\u6548\u7387\u5730\u64cd\u4f5c Map \u5c0d\u8c61\u4e2d\u7684\u8cc7\u6599\u3002\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u8a0e\u8ad6\u4e86\u5982\u4f55\u4f7f\u7528 TypeScript Map \u4f86\u5224\u65b7 Map \u5c0d\u8c61\u4e2d\u662f\u5426\u5b58\u5728\u6307\u5b9a\u7684\u503c\uff08containsValue\uff09\uff0c\u4e26\u4e14\u63d0\u4f9b\u4e86\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\u4f86\u8aaa\u660e\u5982\u4f55\u4f7f\u7528 has() \u65b9\u6cd5\u4f86\u6aa2\u67e5 Map \u5c0d\u8c61\u4e2d\u662f\u5426\u5b58\u5728\u6307\u5b9a\u7684\u503c\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981\uff1aTypeScriptMap\u662f\u4e00\u7a2e\u975e\u5e38\u6709\u7528\u7684\u6578\u64da\u7d50\u69cb\uff0c\u5b83\u53ef\u4ee5\u8b93\u6211\u5011\u5feb\u901f\u67e5\u627e\u548c\u5224\u65b7Map\u7269\u4ef6\u4e2d\u662f\u5426\u5b58\u5728\u6307\u5b9a\u503c\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528TypeScriptMap\u7684containsValue()\u65b9\u6cd5\u4f86\u5224\u65b7Map\u7269\u4ef6\u4e2d\u662f\u5426\u5b58\u5728\u6307\u5b9a\u503c\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-5506","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\/pcFK27-1qO","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5506","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=5506"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5506\/revisions"}],"predecessor-version":[{"id":5507,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5506\/revisions\/5507"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5506"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5506"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5506"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}