{"id":5452,"date":"2023-01-05T12:42:02","date_gmt":"2023-01-05T04:42:02","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5452"},"modified":"2023-01-05T12:42:02","modified_gmt":"2023-01-05T04:42:02","slug":"%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8typescriptmap%e8%bf%94%e5%9b%9emap%e5%b0%8d%e8%b1%a1%e6%89%80%e6%9c%89%e5%80%bc%e7%9a%84%e8%bf%ad%e4%bb%a3%e5%99%a8","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e5%ad%b8%e7%bf%92%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8typescriptmap%e8%bf%94%e5%9b%9emap%e5%b0%8d%e8%b1%a1%e6%89%80%e6%9c%89%e5%80%bc%e7%9a%84%e8%bf%ad%e4%bb%a3%e5%99%a8\/","title":{"rendered":"\u5b78\u7fd2\u5982\u4f55\u4f7f\u7528TypeScriptMap\u8fd4\u56deMap\u5c0d\u8c61\u6240\u6709\u503c\u7684\u8fed\u4ee3\u5668"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, Map, \u8fed\u4ee3\u5668, values\"><\/p>\n<h1>TypeScript Map \u8fd4\u56de Map \u5bf9\u8c61\u6240\u6709\u503c\u7684\u8fed\u4ee3\u5668(values)<\/h1>\n<p>TypeScript \u662f\u4e00\u7a2e JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u63d0\u4f9b\u4e86\u985e\u578b\u7cfb\u7d71\u548c ES6 \u7684\u7279\u6027\uff0c\u4f7f\u958b\u767c\u8005\u80fd\u5920\u66f4\u8f15\u9b06\u5730\u958b\u767c JavaScript \u61c9\u7528\u7a0b\u5e8f\u3002TypeScript \u63d0\u4f9b\u4e86\u4e00\u500b Map \u985e\uff0c\u5b83\u5141\u8a31\u958b\u767c\u8005\u5c07\u9375\u548c\u503c\u5c0d\u61c9\u5230\u4e00\u500b\u7279\u5b9a\u7684\u5c0d\u8c61\u3002Map \u985e\u63d0\u4f9b\u4e86\u4e00\u500b values() \u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u8fd4\u56de Map \u5c0d\u8c61\u4e2d\u6240\u6709\u503c\u7684\u8fed\u4ee3\u5668\u3002<\/p>\n<h2>Map \u985e\u7684\u57fa\u672c\u7528\u6cd5<\/h2>\n<p>Map \u985e\u5141\u8a31\u958b\u767c\u8005\u5c07\u9375\u548c\u503c\u5c0d\u61c9\u5230\u4e00\u500b\u7279\u5b9a\u7684\u5c0d\u8c61\u3002\u5b83\u53ef\u4ee5\u7528\u65bc\u5b58\u5132\u4efb\u4f55\u985e\u578b\u7684\u6578\u64da\uff0c\u5305\u62ec\u5b57\u7b26\u4e32\uff0c\u6578\u5b57\uff0c\u5c0d\u8c61\uff0c\u51fd\u6578\u7b49\u3002\u4e0b\u9762\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528 Map \u985e\uff1a<\/p>\n<pre class=\"brush: javascript\">\nlet map = new Map();\n\nmap.set('name', 'John');\nmap.set('age', 30);\n\nconsole.log(map.get('name')); \/\/ John\nconsole.log(map.get('age')); \/\/ 30\n<\/pre>\n<p>\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u65b0\u7684 Map \u5c0d\u8c61\uff0c\u4e26\u4f7f\u7528 set() \u65b9\u6cd5\u5c07\u9375\u548c\u503c\u5c0d\u61c9\u5230\u5c0d\u8c61\u4e2d\u3002\u7136\u5f8c\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528 get() \u65b9\u6cd5\u7372\u53d6\u5c0d\u61c9\u7684\u503c\u3002<\/p>\n<h2>Map \u985e\u7684 values() \u65b9\u6cd5<\/h2>\n<p>Map \u985e\u63d0\u4f9b\u4e86\u4e00\u500b values() \u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u8fd4\u56de Map \u5c0d\u8c61\u4e2d\u6240\u6709\u503c\u7684\u8fed\u4ee3\u5668\u3002\u4e0b\u9762\u662f\u4e00\u500b\u793a\u4f8b\uff0c\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528 values() \u65b9\u6cd5\uff1a<\/p>\n<pre class=\"brush: javascript\">\nlet map = new Map();\n\nmap.set('name', 'John');\nmap.set('age', 30);\n\nlet values = map.values();\n\nconsole.log(values.next().value); \/\/ John\nconsole.log(values.next().value); \/\/ 30\n<\/pre>\n<p>\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5275\u5efa\u4e86\u4e00\u500b\u65b0\u7684 Map \u5c0d\u8c61\uff0c\u4e26\u4f7f\u7528 set() \u65b9\u6cd5\u5c07\u9375\u548c\u503c\u5c0d\u61c9\u5230\u5c0d\u8c61\u4e2d\u3002\u7136\u5f8c\uff0c\u6211\u5011\u4f7f\u7528 values() \u65b9\u6cd5\u7372\u53d6 Map \u5c0d\u8c61\u4e2d\u6240\u6709\u503c\u7684\u8fed\u4ee3\u5668\uff0c\u4e26\u4f7f\u7528 next() \u65b9\u6cd5\u7372\u53d6\u5c0d\u61c9\u7684\u503c\u3002<\/p>\n<h2>\u7e3d\u7d50<\/h2>\n<p>\u5728\u672c\u6587\u4e2d\uff0c\u6211\u5011\u5b78\u7fd2\u4e86 TypeScript \u4e2d\u7684 Map \u985e\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u7684 values() \u65b9\u6cd5\u4f86\u8fd4\u56de Map \u5c0d\u8c61\u4e2d\u6240\u6709\u503c\u7684\u8fed\u4ee3\u5668\u3002\u901a\u904e\u4f7f\u7528 Map \u985e\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u8f15\u9b06\u5730\u5c07\u9375\u548c\u503c\u5c0d\u61c9\u5230\u4e00\u500b\u7279\u5b9a\u7684\u5c0d\u8c61\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\u60a8\u5c07\u9375\u548c\u503c\u5c0d\u61c9\u5230\u4e00\u500b\u5c0d\u8c61\u4e2d\uff0c\u4e26\u63d0\u4f9b\u4e86\u4e00\u500b\u8fed\u4ee3\u5668\uff0c\u53ef\u4ee5\u8fd4\u56deMap\u5c0d\u8c61\u4e2d\u6240\u6709\u503c\u7684\u8fed\u4ee3\u5668\uff0c\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528TypeScriptMap\u8fd4\u56deMap\u5c0d\u8c61\u6240\u6709\u503c\u7684\u8fed\u4ee3\u5668\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-5452","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\/pcFK27-1pW","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5452","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=5452"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5452\/revisions"}],"predecessor-version":[{"id":5453,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5452\/revisions\/5453"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5452"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5452"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5452"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}