{"id":5286,"date":"2023-01-05T12:23:02","date_gmt":"2023-01-05T04:23:02","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=5286"},"modified":"2023-01-05T12:23:02","modified_gmt":"2023-01-05T04:23:02","slug":"%e4%ba%86%e8%a7%a3%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8typescriptmap%e4%be%86%e8%a8%ad%e7%bd%ae%e9%8d%b5%e5%80%bc","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e4%ba%86%e8%a7%a3%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8typescriptmap%e4%be%86%e8%a8%ad%e7%bd%ae%e9%8d%b5%e5%80%bc\/","title":{"rendered":"\u4e86\u89e3\u5982\u4f55\u4f7f\u7528TypeScriptMap\u4f86\u8a2d\u7f6e\u9375\u503c"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, Map, set()\"><\/p>\n<h1>TypeScript Map \u8a2d\u5b9a\u9375\u503c(set())<\/h1>\n<p>TypeScript \u662f\u4e00\u7a2e JavaScript \u7684\u8d85\u96c6\uff0c\u5b83\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u529f\u80fd\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f Map\u3002Map \u662f\u4e00\u7a2e\u8cc7\u6599\u7d50\u69cb\uff0c\u5b83\u53ef\u4ee5\u5c07\u9375\u8207\u503c\u5c0d\u61c9\u8d77\u4f86\uff0c\u4e26\u4e14\u53ef\u4ee5\u5feb\u901f\u67e5\u627e\u548c\u66f4\u65b0\u8cc7\u6599\u3002\u5728 TypeScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 set() \u65b9\u6cd5\u4f86\u8a2d\u5b9a\u9375\u503c\u5c0d\u3002<\/p>\n<p><!--more--><\/p>\n<p>\u5728 TypeScript \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528 <span style=\"color: #006699; font-weight: bold;\">Map<\/span> \u4f86\u5efa\u7acb\u9375\u503c\u5c0d\uff0c\u4e26\u4f7f\u7528 <span style=\"color: #006699; font-weight: bold;\">set()<\/span> \u65b9\u6cd5\u4f86\u8a2d\u5b9a\u9375\u503c\u5c0d\u3002\u8209\u500b\u4f8b\u5b50\uff0c\u5047\u8a2d\u6211\u5011\u60f3\u8981\u5efa\u7acb\u4e00\u500b\u9375\u503c\u5c0d\uff0c\u5176\u4e2d\u9375\u70ba &#8220;name&#8221;\uff0c\u503c\u70ba &#8220;John&#8221;\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7a0b\u5f0f\u78bc\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre class=\"brush: javascript\">\nlet map = new Map();\nmap.set(\"name\", \"John\");\n<\/pre>\n<p>\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u6703\u5efa\u7acb\u4e00\u500b\u65b0\u7684 Map\uff0c\u4e26\u4f7f\u7528 set() \u65b9\u6cd5\u5c07\u9375 &#8220;name&#8221; \u8207\u503c &#8220;John&#8221; \u5c0d\u61c9\u8d77\u4f86\u3002<\/p>\n<p>\u9664\u4e86\u55ae\u7d14\u7684\u9375\u503c\u5c0d\u5916\uff0cMap \u9084\u53ef\u4ee5\u5c07\u7269\u4ef6\u8207\u503c\u5c0d\u61c9\u8d77\u4f86\u3002\u8209\u500b\u4f8b\u5b50\uff0c\u5047\u8a2d\u6211\u5011\u60f3\u8981\u5efa\u7acb\u4e00\u500b\u9375\u503c\u5c0d\uff0c\u5176\u4e2d\u9375\u70ba\u4e00\u500b\u7269\u4ef6\uff0c\u503c\u70ba &#8220;John&#8221;\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7a0b\u5f0f\u78bc\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre class=\"brush: javascript\">\nlet map = new Map();\nlet key = {};\nmap.set(key, \"John\");\n<\/pre>\n<p>\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u6703\u5efa\u7acb\u4e00\u500b\u65b0\u7684 Map\uff0c\u4e26\u4f7f\u7528 set() \u65b9\u6cd5\u5c07\u7269\u4ef6 key \u8207\u503c &#8220;John&#8221; \u5c0d\u61c9\u8d77\u4f86\u3002<\/p>\n<p>\u53e6\u5916\uff0cMap \u9084\u53ef\u4ee5\u5c07\u51fd\u6578\u8207\u503c\u5c0d\u61c9\u8d77\u4f86\u3002\u8209\u500b\u4f8b\u5b50\uff0c\u5047\u8a2d\u6211\u5011\u60f3\u8981\u5efa\u7acb\u4e00\u500b\u9375\u503c\u5c0d\uff0c\u5176\u4e2d\u9375\u70ba\u4e00\u500b\u51fd\u6578\uff0c\u503c\u70ba &#8220;John&#8221;\uff0c\u5247\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7a0b\u5f0f\u78bc\u4f86\u5be6\u73fe\uff1a<\/p>\n<pre class=\"brush: javascript\">\nlet map = new Map();\nlet key = function() {};\nmap.set(key, \"John\");\n<\/pre>\n<p>\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u6703\u5efa\u7acb\u4e00\u500b\u65b0\u7684 Map\uff0c\u4e26\u4f7f\u7528 set() \u65b9\u6cd5\u5c07\u51fd\u6578 key \u8207\u503c &#8220;John&#8221; \u5c0d\u61c9\u8d77\u4f86\u3002<\/p>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0cTypeScript \u4e2d\u7684 Map \u53ef\u4ee5\u4f7f\u7528 set() \u65b9\u6cd5\u4f86\u8a2d\u5b9a\u9375\u503c\u5c0d\uff0c\u4e26\u4e14\u53ef\u4ee5\u5c07\u7269\u4ef6\u3001\u51fd\u6578\u7b49\u7576\u4f5c\u9375\u3002\u9019\u6a23\u53ef\u4ee5\u66f4\u52a0\u6709\u6548\u7387\u7684\u67e5\u627e\u548c\u66f4\u65b0\u8cc7\u6599\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528TypeScriptMap\u4f86\u8a2d\u7f6e\u9375\u503c\uff0cMap\u662f\u4e00\u7a2e\u7279\u6b8a\u7684\u6578\u64da\u7d50\u69cb\uff0c\u53ef\u4ee5\u5c07\u9375\u503c\u5c0d\u6620\u5c04\u5230\u4e00\u500b\u7279\u5b9a\u7684\u503c\uff0c\u4e26\u5141\u8a31\u5feb\u901f\u67e5\u627e\u548c\u66f4\u65b0\u9375\u503c\u5c0d\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528TypeScriptMap\u4f86\u8a2d\u7f6e\u9375\u503c\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u4f86\u63d0\u9ad8\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\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-5286","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\/pcFK27-1ng","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5286","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=5286"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5286\/revisions"}],"predecessor-version":[{"id":5287,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/5286\/revisions\/5287"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=5286"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=5286"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=5286"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}