{"id":11559,"date":"2025-03-17T01:04:41","date_gmt":"2025-03-16T17:04:41","guid":{"rendered":"https:\/\/www.zhangxinxu.com\/wordpress\/?p=11559"},"modified":"2025-03-17T01:04:41","modified_gmt":"2025-03-16T17:04:41","slug":"css-first-line-hidden-text","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2025\/03\/css-first-line-hidden-text\/","title":{"rendered":"\u4e00\u79cd\u66f4\u597d\u7684\u6587\u5b57\u9690\u85cf\u7684\u65b9\u6cd5-::first-line\u4f2a\u5143\u7d20"},"content":{"rendered":"<p>by <a href=\"https:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=11559\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=11559<\/a><br \/>\n\u672c\u6587\u53ef\u5168\u6587\u8f6c\u8f7d\uff0c\u72ec\u7acb\u57df\u540d\u4e2a\u4eba\u7f51\u7ad9\u65e0\u9700\u6388\u6743\uff0c\u4f46\u9700\u8981\u4fdd\u7559\u539f\u4f5c\u8005\u3001\u51fa\u5904\u4ee5\u53ca\u6587\u4e2d\u94fe\u63a5\uff0c\u4efb\u4f55\u7f51\u7ad9\u5747\u53ef\u6458\u8981\u805a\u5408\uff0c\u5546\u7528\u8bf7\u8054\u7cfb\u6388\u6743\u3002<\/p>\n<p><script>window.wxShareImgUrl = 'https:\/\/www.zhangxinxu.com\/study\/image\/share\/201901-css-var.jpg';<\/script><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202503\/first-line-cover.jpg\" width=\"320\" height=\"191\" alt=\"first-line\u5c01\u9762\u5360\u4f4d\u56fe\" class=\"alignright clip thumb size-medium\" \/><\/p>\n<h3>\u4e00\u3001\u524d\u8a00<\/h3>\n<p>\u53bb\u5e74\u5e74\u4e2d\u5f00\u59cb\u5f00\u542f\u4e86\u300aCSS\u4e16\u754c\u300b\u4e09\u90e8\u66f2\u7cbe\u8bb2\u89c6\u9891\u7cfb\u5217\uff0c\u7136\u540e\u524d\u6bb5\u65f6\u95f4\u6b63\u597d\u8bb2\u5230<code>::first-line<\/code>\u4f2a\u5143\u7d20\uff0c\u7a81\u7136\u610f\u8bc6\u5230\uff0c\u5f88\u957f\u4e00\u6bb5\u65f6\u95f4\u5185\uff0c\u6211\u5c45\u7136\u628a\u8fd9\u4e2a\u4e1c\u897f\u7ed9\u5fd8\u8bb0\u4e86\u3002<\/p>\n<p><code>::first-line<\/code>\u4f2a\u5143\u7d20\u672c\u8eab\u7684\u4f5c\u7528\u662f\u4e2a\u9e21\u808b\uff0c\u5c31\u662f\u63a7\u5236\u7b2c\u4e00\u884c\u6587\u5b57\u7684\u6837\u5f0f\u3002<\/p>\n<p>\u4f46\u662f\u5176\u884d\u751f\u7684\u4f5c\u7528\u5012\u662f\u6709\u4e2a\u5999\u7528\uff0c\u90a3\u5c31\u662f\u9690\u85cf\u6309\u94ae\u6216\u8005\u56fe\u6807\u5185\u7684\u6587\u5b57\u7684\u540c\u65f6\u4e0d\u6539\u53d8<code>color<\/code>\u5c5e\u6027\u7684\u4e0a\u4e0b\u6587\u3002<\/p>\n<p>\u4f8b\u5982\uff0cLuLu UI\u4e2d\u7684\u6309\u94ae\u63a7\u4ef6\uff0c\u5176\u6309\u94ae\u7684loading\u6548\u679c\u662f\u9690\u85cf\u6587\u5b57\uff0c\u663e\u793a\u65cb\u8f6c\u56fe\u6807\ud83c\udf3c\uff0c\u6309\u94ae\u5c3a\u5bf8\u4e0d\u53d8\uff0c\u5982\u4e0bGIF\u52a8\u56fe\u6240\u793a\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202503\/button-loading.gif\" width=\"164\" height=\"44\" alt=\"loading\u6548\u679c\u622a\u56fe\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u5176\u4e2d\u6709\u4e2a\u8981\u6c42\uff0c\u90a3\u5c31\u662floading\u65cb\u8f6c\u56fe\u6807\u7684\u989c\u8272\u8981\u548c\u6587\u5b57\u4fdd\u6301\u4e00\u81f4\uff0c\u6211\u4eec\u5f88\u81ea\u7136\u4f1a\u60f3\u5230currentColor\u5173\u952e\u5b57\uff0c\u6216\u8005\u989c\u8272\u4e0d\u6307\u5b9a\uff0c\u76f4\u63a5\u7ee7\u627f\u3002<\/p>\n<p>\u8fd9\u5c31\u4f1a\u4ea7\u751f\u4e00\u4e2a\u77db\u76fe\u7684\u70b9\uff0c\u90a3\u5c31\u662f\u5982\u679c\u6211\u4eec\u4f7f\u7528\u7c7b\u4f3c\u4e0b\u9762\u7684\u8bed\u53e5\u9690\u85cf\u6587\u5b57\uff1a<\/p>\n<pre>button {\r\n  color: transparent;\r\n}<\/pre>\n<p>\u90a3\u4e48\u56fe\u6807\u7684\u989c\u8272\u4e5f\u4f1a\u53d8\u6210transparent\uff0c\u56e0\u4e3a\u56fe\u6807\u989c\u8272\u548c\u6587\u5b57\u989c\u8272\u662f\u4e00\u81f4\u7684\u3002<\/p>\n<p>\u90a3\u4e48\u6709\u6ca1\u6709\u4ec0\u4e48\u529e\u6cd5\u53ef\u4ee5\u8ba9\u6587\u5b57\u9690\u85cf\uff0c\u53c8\u4e0d\u5f71\u54cdcolor\u5c5e\u6027\u7684\u4e0a\u4e0b\u6587\u5462\uff1f<\/p>\n<h3>\u4e8c\u3001\u4e00\u76f4\u4f7f\u7528\u7684\u662f-webkit-text-fill-color<\/h3>\n<p>\u6211\u8fd9\u4e9b\u5e74\u4e00\u76f4\u4f7f\u7528\u7684\u662f<code>-webkit-text-fill-color<\/code>\u5c5e\u6027\u6765\u8bbe\u7f6e\u6587\u5b57\u9690\u85cf\u7684\uff0c\u6b64\u5c5e\u6027\u867d\u7136\u662f<code>-webkit-<\/code>\u79c1\u6709\u524d\u7f00\uff0c\u4f46\u662fFirefox\u6d4f\u89c8\u5668\u4e5f\u662f\u652f\u6301\u7684\uff0c\u52a0\u4e0a\u73b0\u5728IE\u6d4f\u89c8\u5668\u5df2\u7ecf\u540d\u5b58\u5b9e\u4ea1\uff0c\u56e0\u6b64\uff0c\u8fd8\u7528\u5f97\u4e0d\u9519\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202503\/2025-03-14_235537.png\" width=\"629\" height=\"256\" alt=\"text-fill\u517c\u5bb9\u6027\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u76f8\u5173\u4ee3\u7801\u5982\u4e0b\u6240\u793a\uff0c\u53ea\u5c55\u793a\u5173\u952e\u90e8\u5206\uff1a<\/p>\n<pre>button {\r\n    \/* \u7565... *\/\r\n}\r\nbutton.loading::before {\r\n    content: '';\r\n    width: 20px; height: 20px;\r\n    box-sizing: border-box;\r\n    border: 2px solid;\r\n    border-top-color: transparent;\r\n    border-radius: 50%;\r\n    position: absolute;\r\n    inset: 0;\r\n    margin: auto;\r\n    animation: spin 1s linear infinite;\r\n}\r\nbutton.loading {\r\n    -webkit-text-fill-color: transparent;\r\n}<\/pre>\n<p>\u6b64\u65f6\uff0c\u7ed9\u6309\u94ae\u5143\u7d20\u589e\u52a0\u7c7b\u540dloading\uff0c\u6587\u5b57\u5c31\u4f1a\u9690\u85cf\uff0c\u4f46\u662f\u53c8\u4e0d\u4f1a\u5f71\u54cdloading\u56fe\u5f62\u7684\u989c\u8272\u3002<\/p>\n<h3>\u4e09\u3001::first-line\u4f3c\u4e4e\u66f4\u5408\u9002<\/h3>\n<p>\u5b9e\u9645\u4e0a\uff0c\u8fd9\u91cc\u53ef\u4ee5\u8fd8\u53ef\u4ee5\u4f7f\u7528<code>::first-line<\/code>\u4f2a\u5143\u7d20\uff0c\u517c\u5bb9\u6027\u66f4\u597d\uff0c\u8bb0\u5fc6\u6210\u672c\u4e5f\u66f4\u4f4e\u3002<\/p>\n<p>\u76f8\u5173\u4ee3\u7801\u5b9e\u73b0\u793a\u610f\uff1a<\/p>\n<pre>button {\r\n    \/* \u7565... *\/\r\n}\r\nbutton.loading::before {\r\n    \/* \u540c\u4e0a... *\/\r\n}\r\nbutton.loading::first-line {\r\n    color: transparent;\r\n}<\/pre>\n<p>\u975e\u5e38\u5de7\u5999\u7684\u4e00\u79cd\u5b9e\u73b0\u3002<\/p>\n<p>\u4e0b\u56fe\u6240\u793a\u7684\u5c31\u662f\u4e0a\u9762\u4e24\u79cd\u65b9\u6cd5\u5b9e\u73b0\u7684\u6548\u679cGIF\u793a\u610f\u56fe\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202503\/button-loading-demo.gif\" width=\"164\" height=\"195\" alt=\"\u70b9\u51fb\u6211loading\u6548\u679c\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\n<h4>\u5b8c\u6574\u4ee3\u7801<\/h4>\n<p>\u5b9e\u9645\u6f14\u793a\u6548\u679c\u548c\u5b8c\u6574\u4ee3\u7801\uff0c\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\uff1a<\/p>\n<p><a href=\"https:\/\/www.zhangxinxu.com\/study\/202503\/css-button-text-transparent-loading.php\" rel=\"noopener\" target=\"_blank\">\u4e0d\u5f71\u54cdcolor\u4e0a\u4e0b\u6587\u6309\u94ae\u6587\u5b57\u900f\u660edemo<\/a><\/p>\n<p>\u261d\ufe0f\ud83d\udd95\u261d\ufe0f\ud83d\udd95<\/p>\n<h3>\u4e09\u3001\u94c1\u6811\u5f00\u82b1\uff0c\u601d\u8def\u5ef6\u4f38<\/h3>\n<p>\u9664\u4e86\u4fdd\u7559color\u4e0a\u4e0b\u6587\uff0c<code>::first-line<\/code>\u4f2a\u5143\u7d20\uff0c\u5305\u62ec\u4e0a\u9762\u63d0\u5230\u7684<code>-webkit-text-fill-color<\/code>\u5c5e\u6027\u8fd8\u6709\u4e00\u4e2a\u6709\u7528\u7684\u7279\u6027\uff0c\u5c31\u662f\u6709\u66f4\u9ad8\u7684\u6587\u5b57\u989c\u8272\u91cd\u7f6e\u4f18\u5148\u7ea7\u3002<\/p>\n<p>\u6211\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u5927\u5bb6\u5c31\u77e5\u9053\u4ec0\u4e48\u610f\u601d\u4e86\uff0c\u6bd4\u65b9\u8bf4\u6709\u8fd9\u6837\u4e00\u6bb5HTML\u4ee3\u7801\uff1a<\/p>\n<pre>&lt;button id=\"button\" class=\"button\"&gt;\u6309\u94ae&lt;\/button&gt;<\/pre>\n<p>\u7136\u540e\u6309\u94ae\u4ee5\u5f88\u9ad8\u7684\u9009\u62e9\u5668\u4f18\u5148\u7ea7\u8bbe\u7f6e\u4e86\u4e00\u4e2a\u989c\u8272\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>#button {\r\n   color: blue !important;\r\n}<\/pre>\n<p>\u7136\u800c\uff0c\u6309\u94ae\u7981\u7528\u7684\u65f6\u5019\uff0c\u6587\u5b57\u989c\u8272\u8981\u662f\u7070\u8272\uff0c\u5f97\uff0c\u4f18\u5148\u7ea7\u5982\u6b64\u9ad8\uff0c\u600e\u4e48\u91cd\u7f6e\uff1f\u518d\u4f7f\u7528\u4e00\u4e2a<code>!important<\/code>\u5417\uff1f<\/p>\n<p>\u65e0\u9700\uff01<\/p>\n<p>\u4e0b\u9762\u4e24\u6bb5CSS\u90fd\u53ef\u4ee5\u91cd\u7f6e\u4e0a\u9762\u7684\u84dd\u8272\u8bbe\u7f6e\uff1a<\/p>\n<pre>button:disabled {\r\n  -webkit-text-fill-color: gray;\r\n}<\/pre>\n<pre>button:disabled::first-line {\r\n  color: gray;\r\n}<\/pre>\n<p>\u5982\u679c\u4e24\u8005\u540c\u65f6\u4f7f\u7528\uff0c\u6839\u636e\u6211\u7684\u6d4b\u8bd5\uff0c<code>text-fill-color<\/code>\u5c5e\u6027\u8981\u66f4\u751f\u731b\u4e00\u4e9b\uff0c\u4f1a\u8986\u76d6<code>::first-line<\/code>\u7684\u989c\u8272\u8bbe\u7f6e\u3002<\/p>\n<p>\u597d\uff0c\u672c\u6587\u5c31\u8fd9\u4e48\u591a\u5185\u5bb9\u3002<\/p>\n<p>\u54ce\u5440\uff0c\u597d\u4e45\u6ca1\u5199\u4e1c\u897f\u5199\u5230\u5feb1\u70b9\uff0c\u5c31\u4e0d\u5520\u55d1\u4e86\uff0c\u76f4\u63a5\u7ed3\u5c3e\u3002<\/p>\n<p>\u6211\u4eec\u4e0b\u7bc7\u6587\u7ae0\u518d\u89c1\uff01<\/p>\n<p>\ud83d\udc4b\ud83d\udc4b\ud83d\udc4b\ud83d\udc4b<\/p>\n<p>\u672c\u6587\u4e3a\u539f\u521b\u6587\u7ae0\uff0c\u4f1a\u7ecf\u5e38\u66f4\u65b0\u77e5\u8bc6\u70b9\u4ee5\u53ca\u4fee\u6b63\u4e00\u4e9b\u9519\u8bef\uff0c\u56e0\u6b64\u8f6c\u8f7d\u8bf7\u4fdd\u7559\u539f\u51fa\u5904\uff0c\u65b9\u4fbf\u6eaf\u6e90\uff0c\u907f\u514d\u9648\u65e7\u9519\u8bef\u77e5\u8bc6\u7684\u8bef\u5bfc\uff0c\u540c\u65f6\u6709\u66f4\u597d\u7684\u9605\u8bfb\u4f53\u9a8c\u3002<br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=11559\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=11559<\/a><\/p>\n<p>\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202503\/first-line-cover.jpg\" width=\"160\" height=\"92\" alt=\"first-line\u5c01\u9762\u5360\u4f4d\u56fe\" class=\"alignright size-medium\" \/><\/p>\n<p>\u4e1c\u897f\u5b66\u592a\u591a\uff0c\u5c45\u7136\u5fd8\u8bb0\u4e86::first-line\u4f2a\u5143\u7d20\u53ef\u4ee5\u5728\u4e0d\u6539\u53d8\u5143\u7d20color\u4e0a\u4e0b\u6587\u7684\u60c5\u51b5\u4e0b\u53d8\u8272\uff0c\u53ef\u8c13\u94c1\u6811\u5f00\u82b1\u7115\u53d1\u7b2c\u4e8c\u6625\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[844,1008,430,591],"_links":{"self":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/11559"}],"collection":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/comments?post=11559"}],"version-history":[{"count":6,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/11559\/revisions"}],"predecessor-version":[{"id":11646,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/11559\/revisions\/11646"}],"wp:attachment":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/media?parent=11559"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/categories?post=11559"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/tags?post=11559"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}