{"id":238307,"date":"2023-12-26T05:25:19","date_gmt":"2023-12-25T21:25:19","guid":{"rendered":"https:\/\/www.idc.net\/help\/238307\/"},"modified":"2023-12-26T05:25:19","modified_gmt":"2023-12-25T21:25:19","slug":"css%e5%85%a5%e9%97%a8-outline%ef%bc%88%e8%bd%ae%e5%bb%93%ef%bc%89","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/238307\/","title":{"rendered":"Css\u5165\u95e8: outline\uff08\u8f6e\u5ed3\uff09"},"content":{"rendered":"<p>  <title id=\"css%e5%85%a5%e9%97%a8-outline%ef%bc%88%e8%bd%ae%e5%bb%93%ef%bc%89-rCWUwoNRep\">Css\u5165\u95e8: outline\uff08\u8f6e\u5ed3\uff09<\/title><\/p>\n<h1 id=\"css%e5%85%a5%e9%97%a8-outline%ef%bc%88%e8%bd%ae%e5%bb%93%ef%bc%89-rCWUwoNRep\">Css\u5165\u95e8: outline\uff08\u8f6e\u5ed3\uff09<\/h1>\n<h2 id=\"%e4%bb%80%e4%b9%88%e6%98%afoutline%ef%bc%88%e8%bd%ae%e5%bb%93%ef%bc%89%ef%bc%9f-rCWUwoNRep\">\u4ec0\u4e48\u662foutline\uff08\u8f6e\u5ed3\uff09\uff1f<\/h2>\n<p>\u5728CSS\u4e2d\uff0coutline\uff08\u8f6e\u5ed3\uff09\u662f\u4e00\u79cd\u7528\u4e8e\u5728\u5143\u7d20\u5468\u56f4\u7ed8\u5236\u7ebf\u6761\u7684\u5c5e\u6027\u3002\u5b83\u7c7b\u4f3c\u4e8eborder\uff08\u8fb9\u6846\uff09\uff0c\u4f46\u4e0d\u540c\u4e4b\u5904\u5728\u4e8eoutline\u4e0d\u5360\u7528\u7a7a\u95f4\uff0c\u4e0d\u4f1a\u6539\u53d8\u5143\u7d20\u7684\u5927\u5c0f\u548c\u4f4d\u7f6e\u3002<\/p>\n<h2 id=\"outline%e7%9a%84%e8%af%ad%e6%b3%95-rCWUwoNRep\">outline\u7684\u8bed\u6cd5<\/h2>\n<p>outline\u5c5e\u6027\u6709\u4ee5\u4e0b\u8bed\u6cd5\uff1a<\/p>\n<pre><code>outline: [outline-color] [outline-style] [outline-width];<\/code><\/pre>\n<p>\u5176\u4e2d\uff1a<\/p>\n<ul>\n<li><strong>outline-color<\/strong>\uff1a\u6307\u5b9a\u8f6e\u5ed3\u7684\u989c\u8272\u3002\u53ef\u4ee5\u4f7f\u7528\u989c\u8272\u540d\u79f0\u3001\u5341\u516d\u8fdb\u5236\u503c\u6216RGB\u503c\u3002<\/li>\n<li><strong>outline-style<\/strong>\uff1a\u6307\u5b9a\u8f6e\u5ed3\u7684\u6837\u5f0f\u3002\u5e38\u7528\u7684\u6837\u5f0f\u6709solid\uff08\u5b9e\u7ebf\uff09\u3001dotted\uff08\u70b9\u7ebf\uff09\u548cdashed\uff08\u865a\u7ebf\uff09\u3002<\/li>\n<li><strong>outline-width<\/strong>\uff1a\u6307\u5b9a\u8f6e\u5ed3\u7684\u5bbd\u5ea6\u3002\u53ef\u4ee5\u4f7f\u7528\u50cf\u7d20\u503c\u3001em\u3001rem\u7b49\u5355\u4f4d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8outline%ef%bc%9f-rCWUwoNRep\">\u5982\u4f55\u4f7f\u7528outline\uff1f<\/h2>\n<p>\u8981\u4e3a\u5143\u7d20\u6dfb\u52a0\u8f6e\u5ed3\uff0c\u53ea\u9700\u5728CSS\u4e2d\u4f7f\u7528outline\u5c5e\u6027\u5e76\u8bbe\u7f6e\u76f8\u5e94\u7684\u503c\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>div {\n  outline: 2px solid red;\n}<\/code><\/pre>\n<p>\u4e0a\u8ff0\u4ee3\u7801\u5c06\u4e3a\u6240\u6709\u7684div\u5143\u7d20\u6dfb\u52a0\u4e00\u4e2a\u7ea2\u8272\u3001\u5bbd\u5ea6\u4e3a2\u50cf\u7d20\u7684\u5b9e\u7ebf\u8f6e\u5ed3\u3002<\/p>\n<h2 id=\"outline%e7%9a%84%e5%ba%94%e7%94%a8%e5%9c%ba%e6%99%af-rCWUwoNRep\">outline\u7684\u5e94\u7528\u573a\u666f<\/h2>\n<p>outline\u5c5e\u6027\u5728Web\u5f00\u53d1\u4e2d\u6709\u591a\u79cd\u5e94\u7528\u573a\u666f\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u4f8b\u5b50\uff1a<\/p>\n<h3 id=\"1-%e6%8f%90%e7%a4%ba%e7%84%a6%e7%82%b9-rCWUwoNRep\">1. \u63d0\u793a\u7126\u70b9<\/h3>\n<p>\u5f53\u7528\u6237\u901a\u8fc7\u952e\u76d8\u5bfc\u822a\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528outline\u6765\u63d0\u793a\u5f53\u524d\u7126\u70b9\u6240\u5728\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>input:focus {\n  outline: 2px solid blue;\n}<\/code><\/pre>\n<p>\u4e0a\u8ff0\u4ee3\u7801\u5c06\u5728\u7528\u6237\u805a\u7126\u5230input\u5143\u7d20\u65f6\uff0c\u6dfb\u52a0\u4e00\u4e2a\u84dd\u8272\u3001\u5bbd\u5ea6\u4e3a2\u50cf\u7d20\u7684\u5b9e\u7ebf\u8f6e\u5ed3\u3002<\/p>\n<h3 id=\"2-%e9%ab%98%e4%ba%ae%e9%80%89%e4%b8%ad%e5%85%83%e7%b4%a0-rCWUwoNRep\">2. \u9ad8\u4eae\u9009\u4e2d\u5143\u7d20<\/h3>\n<p>\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\uff0c\u6211\u4eec\u53ef\u80fd\u9700\u8981\u7a81\u51fa\u663e\u793a\u7528\u6237\u9009\u4e2d\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<pre><code>.selected {\n  outline: 2px solid yellow;\n}<\/code><\/pre>\n<p>\u4e0a\u8ff0\u4ee3\u7801\u5c06\u4e3aclass\u4e3aselected\u7684\u5143\u7d20\u6dfb\u52a0\u4e00\u4e2a\u9ec4\u8272\u3001\u5bbd\u5ea6\u4e3a2\u50cf\u7d20\u7684\u5b9e\u7ebf\u8f6e\u5ed3\u3002<\/p>\n<h3 id=\"3-%e8%b0%83%e8%af%95%e5%b8%83%e5%b1%80-rCWUwoNRep\">3. \u8c03\u8bd5\u5e03\u5c40<\/h3>\n<p>\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\uff0coutline\u5c5e\u6027\u8fd8\u53ef\u4ee5\u7528\u4e8e\u8c03\u8bd5\u5e03\u5c40\u3002\u4f8b\u5982\uff0c\u6211\u4eec\u53ef\u4ee5\u4e3a\u6240\u6709\u7684\u5143\u7d20\u6dfb\u52a0\u4e00\u4e2a\u7ea2\u8272\u7684\u8f6e\u5ed3\u6765\u67e5\u770b\u5b83\u4eec\u7684\u8fb9\u754c\uff1a<\/p>\n<pre><code>* {\n  outline: 1px solid red;\n}<\/code><\/pre>\n<p>\u4e0a\u8ff0\u4ee3\u7801\u5c06\u4e3a\u9875\u9762\u4e2d\u7684\u6240\u6709\u5143\u7d20\u6dfb\u52a0\u4e00\u4e2a\u7ea2\u8272\u3001\u5bbd\u5ea6\u4e3a1\u50cf\u7d20\u7684\u5b9e\u7ebf\u8f6e\u5ed3\u3002<\/p>\n<h2 id=\"%e6%80%bb%e7%bb%93-rCWUwoNRep\">\u603b\u7ed3<\/h2>\n<p>\u901a\u8fc7\u4f7f\u7528CSS\u7684outline\u5c5e\u6027\uff0c\u6211\u4eec\u53ef\u4ee5\u4e3a\u5143\u7d20\u6dfb\u52a0\u8f6e\u5ed3\u7ebf\u6761\uff0c\u7528\u4e8e\u63d0\u793a\u7126\u70b9\u3001\u9ad8\u4eae\u9009\u4e2d\u5143\u7d20\u6216\u8c03\u8bd5\u5e03\u5c40\u3002outline\u4e0eborder\u7684\u533a\u522b\u5728\u4e8e\u5b83\u4e0d\u5360\u7528\u7a7a\u95f4\uff0c\u4e0d\u4f1a\u6539\u53d8\u5143\u7d20\u7684\u5927\u5c0f\u548c\u4f4d\u7f6e\u3002<\/p>\n<h2 id=\"%e9%a6%99%e6%b8%af%e6%9c%8d%e5%8a%a1%e5%99%a8%e9%a6%96%e9%80%89%e5%90%8e%e6%b5%aa%e4%ba%91-rCWUwoNRep\">\u9999\u6e2f\u670d\u52a1\u5668\u9996\u9009\u540e\u6d6a\u4e91<\/h2>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5bfb\u627e\u9999\u6e2f\u670d\u52a1\u5668\uff0c\u540e\u6d6a\u4e91\u662f\u60a8\u7684\u9996\u9009\u3002\u6211\u4eec\u63d0\u4f9b\u53ef\u9760\u7684\u9999\u6e2f\u670d\u52a1\u5668\u89e3\u51b3\u65b9\u6848\uff0c\u4ee5\u6ee1\u8db3\u60a8\u7684\u4e1a\u52a1\u9700\u6c42\u3002\u8bf7\u8bbf\u95ee\u6211\u4eec\u7684<a href=\"https:\/\/idc.net\">\u5b98\u7f51<\/a>\u4e86\u89e3\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Css\u5165\u95e8: outline\uff08\u8f6e\u5ed3\uff09 Css\u5165\u95e8: outline\uff08\u8f6e\u5ed3\uff09 \u4ec0\u4e48\u662foutline\uff08\u8f6e\u5ed3\uff09\uff1f \u5728 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[197854],"tags":[],"class_list":["post-238307","post","type-post","status-publish","format-standard","hentry","category-html"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/238307","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=238307"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/238307\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=238307"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=238307"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=238307"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}