{"id":38572,"date":"2022-12-09T10:33:55","date_gmt":"2023-07-07T01:42:37","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8%e4%b8%ad%e6%96%87%e4%b8%ad%ef%bc%8creact%e7%9a%84classname%e6%98%af%e4%bb%80%e4%b9%88%e6%84%8f%e6%80%9d%ef%bc%9f\/"},"modified":"2024-04-29T04:26:08","modified_gmt":"2024-04-28T20:26:08","slug":"%e5%9c%a8%e4%b8%ad%e6%96%87%e4%b8%ad%ef%bc%8creact%e7%9a%84classname%e6%98%af%e4%bb%80%e4%b9%88%e6%84%8f%e6%80%9d%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8%e4%b8%ad%e6%96%87%e4%b8%ad%ef%bc%8creact%e7%9a%84classname%e6%98%af%e4%bb%80%e4%b9%88%e6%84%8f%e6%80%9d%ef%bc%9f\/","title":{"rendered":"\u5728\u4e2d\u6587\u4e2d\uff0c`React`\u7684`className`\u662f\u4ec0\u4e48\u610f\u601d\uff1f"},"content":{"rendered":"<p>\u4f60\u7ecf\u5e38\u770b\u5230className\u5bf9\u5427\uff1f<br \/>\n\u8fd9\u6b21\uff0c\u6211\u6765\u89e3\u91ca\u4e00\u4e0bclassName\uff0c\u4ee5\u4fbf\u521d\u5b66\u8005\u4e5f\u80fd\u660e\u767d\u3002<\/p>\n<h2>\u9996\u5148\uff0cclass\u548cclassName\u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/h2>\n<p>\u5f53\u5728HTML\u4e2d\u6307\u5b9a\u6837\u5f0f\u65f6\uff0c\u6211\u4eec\u4f7f\u7528class\u5c5e\u6027\uff0c\u5bf9\u5427\uff1f\u4f46\u662f\uff0c\u5728React\u7684JSX\uff08\u7c7b\u4f3c\u4e8e\u7528JavaScript\u7f16\u5199\u7684HTML\uff09\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u7684\u662fclassName\u800c\u4e0d\u662fclass\u3002\u4e3a\u4ec0\u4e48\u5462\uff1f\u56e0\u4e3a\u5728JavaScript\u4e2d\uff0cclass\u5177\u6709\u7279\u6b8a\u7684\u542b\u4e49\u3002<\/p>\n<p>? \u8981\u70b9\uff1a\u5728React\u4e2d\u6307\u5b9a\u6837\u5f0f\u7c7b\u65f6\uff0c\u8bf7\u4f7f\u7528className\uff01<\/p>\n<h2>2. \u5982\u4f55\u4f7f\u7528className<\/h2>\n<p>\u8d85\u7ea7\u7b80\u5355\uff01\u7528\u5b57\u7b26\u4e32\u5199\u7c7b\u540d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">&lt;<\/span><span class=\"nt\">div<\/span> <span class=\"na\">className<\/span><span class=\"p\">=<\/span><span class=\"s\">\"my-style\"<\/span><span class=\"p\">&gt;<\/span>\r\n  \u3053\u3093\u306b\u3061\u306f\u3001React\uff01\r\n<span class=\"p\">&lt;\/<\/span><span class=\"nt\">div<\/span><span class=\"p\">&gt;<\/span>\r\n<\/code><\/pre>\n<h2>3. \u5f53\u60f3\u8981\u6307\u5b9a\u591a\u4e2a\u7c7b\u65f6\u8be5\u600e\u4e48\u505a\u5462\uff1f<\/h2>\n<p>\u53ea\u9700\u8981\u7528\u7a7a\u683c\u9694\u5f00\u5c31\u53ef\u4ee5\u4e86\uff01<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">&lt;<\/span><span class=\"nt\">div<\/span> <span class=\"na\">className<\/span><span class=\"p\">=<\/span><span class=\"s\">\"style1 style2\"<\/span><span class=\"p\">&gt;<\/span>\r\n<\/code><\/pre>\n<h2>4. \u6211\u60f3\u6839\u636e\u6761\u4ef6\u6539\u53d8\u73ed\u7ea7\uff01<\/h2>\n<p>\u5c31\u50cf\u8fd9\u6837\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u6761\u4ef6\u52a8\u6001\u5730\u66f4\u6539\u7c7b\u540d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">isBlue<\/span> <span class=\"o\">=<\/span> <span class=\"kc\">true<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"p\">&lt;<\/span><span class=\"nt\">div<\/span> <span class=\"na\">className<\/span><span class=\"p\">=<\/span><span class=\"si\">{<\/span><span class=\"s2\">`box <\/span><span class=\"p\">${<\/span><span class=\"nx\">isBlue<\/span> <span class=\"p\">?<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">blue<\/span><span class=\"dl\">'<\/span> <span class=\"p\">:<\/span> <span class=\"dl\">'<\/span><span class=\"s1\">red<\/span><span class=\"dl\">'<\/span><span class=\"p\">}<\/span><span class=\"s2\">`<\/span><span class=\"si\">}<\/span><span class=\"p\">&gt;<\/span>\r\n<\/code><\/pre>\n<p>? \u63d0\u793a\uff1a\u4f7f\u7528\u53cd\u5f15\u53f7\u548c${}\u53ef\u4ee5\u5c06\u53d8\u91cf\u7684\u5185\u5bb9\u5d4c\u5165\u5b57\u7b26\u4e32\u4e2d\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f60\u7ecf\u5e38\u770b\u5230className\u5bf9\u5427\uff1f \u8fd9\u6b21\uff0c\u6211\u6765\u89e3\u91ca\u4e00\u4e0bclassName\uff0c\u4ee5\u4fbf\u521d\u5b66\u8005\u4e5f\u80fd\u660e\u767d\u3002 \u9996\u5148\uff0cclas [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-38572","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - 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