{"id":4882,"date":"2023-01-05T11:12:14","date_gmt":"2023-01-05T03:12:14","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=4882"},"modified":"2023-01-05T11:12:14","modified_gmt":"2023-01-05T03:12:14","slug":"%e5%ad%b8%e7%bf%92typescript%e5%ad%97%e4%b8%b2%e7%9a%84%e6%88%aa%e6%96%b7%e6%8a%80%e5%b7%a7","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/typescript\/%e5%ad%b8%e7%bf%92typescript%e5%ad%97%e4%b8%b2%e7%9a%84%e6%88%aa%e6%96%b7%e6%8a%80%e5%b7%a7\/","title":{"rendered":"\u5b78\u7fd2TypeScript\u5b57\u4e32\u7684\u622a\u65b7\u6280\u5de7"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"TypeScript, String Truncation\"><\/p>\n<h1>TypeScript \u5b57\u4e32\u7684\u622a\u65b7(String Truncation)<\/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\u5b57\u4e32\u7684\u622a\u65b7(String Truncation)\u3002\u5b57\u4e32\u7684\u622a\u65b7\u662f\u6307\u5c07\u5b57\u4e32\u7684\u9577\u5ea6\u9650\u5236\u5728\u4e00\u5b9a\u7684\u9577\u5ea6\uff0c\u8d85\u51fa\u7684\u90e8\u5206\u6703\u88ab\u622a\u65b7\uff0c\u800c\u4e0d\u6703\u5f71\u97ff\u539f\u672c\u5b57\u4e32\u7684\u5167\u5bb9\u3002<!--more--><\/p>\n<p>TypeScript \u63d0\u4f9b\u4e86\u4e00\u500b\u53eb\u505a <code>String.prototype.truncate()<\/code> \u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u7528\u4f86\u622a\u65b7\u5b57\u4e32\u3002\u5b83\u63a5\u53d7\u4e00\u500b\u53c3\u6578\uff0c\u8868\u793a\u622a\u65b7\u5f8c\u5b57\u4e32\u7684\u9577\u5ea6\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre class=\"brush: typescript\">\nlet str = \"Hello World!\";\nlet truncatedStr = str.truncate(5);\nconsole.log(truncatedStr); \/\/ \"Hello\"\n<\/pre>\n<p>\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u6703\u5c07\u5b57\u4e32 <code>Hello World!<\/code> \u622a\u65b7\u70ba <code>Hello<\/code>\uff0c\u9577\u5ea6\u70ba 5 \u500b\u5b57\u5143\u3002<\/p>\n<p>\u9664\u4e86\u53ef\u4ee5\u6307\u5b9a\u622a\u65b7\u5f8c\u5b57\u4e32\u7684\u9577\u5ea6\uff0c<code>String.prototype.truncate()<\/code> \u9084\u53ef\u4ee5\u63a5\u53d7\u7b2c\u4e8c\u500b\u53c3\u6578\uff0c\u8868\u793a\u622a\u65b7\u5f8c\u5b57\u4e32\u7684\u7d50\u5c3e\u5b57\u5143\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre class=\"brush: typescript\">\nlet str = \"Hello World!\";\nlet truncatedStr = str.truncate(5, \"...\");\nconsole.log(truncatedStr); \/\/ \"Hello...\"\n<\/pre>\n<p>\u4e0a\u9762\u7684\u7a0b\u5f0f\u78bc\u6703\u5c07\u5b57\u4e32 <code>Hello World!<\/code> \u622a\u65b7\u70ba <code>Hello...<\/code>\uff0c\u9577\u5ea6\u70ba 5 \u500b\u5b57\u5143\uff0c\u4e26\u5728\u6700\u5f8c\u52a0\u4e0a <code>...<\/code> \u4f5c\u70ba\u7d50\u5c3e\u5b57\u5143\u3002<\/p>\n<h2>\u7e3d\u7d50<\/h2>\n<p>TypeScript \u63d0\u4f9b\u4e86 <code>String.prototype.truncate()<\/code> \u65b9\u6cd5\uff0c\u53ef\u4ee5\u7528\u4f86\u622a\u65b7\u5b57\u4e32\uff0c\u53ef\u4ee5\u6307\u5b9a\u622a\u65b7\u5f8c\u5b57\u4e32\u7684\u9577\u5ea6\u548c\u7d50\u5c3e\u5b57\u5143\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u65b9\u4fbf\u5730\u64cd\u4f5c\u5b57\u4e32\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981\uff1a\u5b78\u7fd2TypeScript\u5b57\u4e32\u7684\u622a\u65b7\u6280\u5de7\uff0c\u53ef\u4ee5\u8b93\u4f60\u66f4\u6709\u6548\u7387\u5730\u64cd\u4f5c\u5b57\u4e32\uff0c\u66f4\u5feb\u5730\u5b8c\u6210\u5de5\u4f5c\u3002\u672c\u6587\u5c07\u4ecb\u7d39TypeScript\u4e2d\u7684\u5b57\u4e32\u622a\u65b7\u51fd\u6578\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5b83\u5011\u4f86\u66f4\u6709\u6548\u5730\u64cd\u4f5c\u5b57\u4e32\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-4882","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\/pcFK27-1gK","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4882","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=4882"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4882\/revisions"}],"predecessor-version":[{"id":4883,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/4882\/revisions\/4883"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=4882"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=4882"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=4882"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}