{"id":10707,"date":"2023-02-06T23:32:51","date_gmt":"2023-02-06T15:32:51","guid":{"rendered":"https:\/\/www.zhangxinxu.com\/wordpress\/?p=10707"},"modified":"2023-02-07T21:15:11","modified_gmt":"2023-02-07T13:15:11","slug":"css-fixed-position-transform-center","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2023\/02\/css-fixed-position-transform-center\/","title":{"rendered":"CSS fixed\u56fa\u5b9a\u5b9a\u4f4dtransofrm\u5931\u6548\u53ca\u5c45\u4e2d\u5c0f\u6280\u5de7"},"content":{"rendered":"<p>by <a href=\"https:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=10707\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=10707<\/a> \u946b\u7a7a\u95f4-\u946b\u751f\u6d3b<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\/202302-transform-fixed.png';<\/script><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202302\/cover-fixed.png\" width=\"480\" height=\"306\" alt=\"\u5c01\u9762\u56fe\" class=\"alignright clip thumb size-medium\" \/><\/p>\n<h3>\u4e00\u3001\u7ecf\u5178\u5c45\u4e2d\u5957\u8def<\/h3>\n<p>\u5bf9\u4e8e\u7edd\u5bf9\u5b9a\u4f4d\u6216\u8005\u56fa\u5b9a\u5b9a\u4f4d\u7684\u5143\u7d20\uff0c\u5982\u679c\u5e0c\u671b\u5143\u7d20\u6c34\u5e73\u5c45\u4e2d\uff0c\u662f\u6709\u4e2a\u901a\u7528\u7684\u4f7f\u7528\u516c\u5f0f\u7684\u3002<\/p>\n<p>\u5982\u4e0b\uff1a<\/p>\n<pre>.target {\r\n  position: fixed;\r\n  left: 50%;\r\n  transform: translateX(-50%);\r\n}<\/pre>\n<p>\u5982\u679c\u9879\u76ee\u5bf9\u517c\u5bb9\u6027\u8981\u6c42\u4e0d\u9ad8\uff0c\u8fd8\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528<code>translate<\/code>\u5c5e\u6027\u4ee3\u66ff\uff1a<\/p>\n<pre>.target {\r\n  position: fixed;\r\n  left: 50%;\r\n  \/* Chrome 104+, Safari 14.5+ *\/\r\n  translate: -50%;\r\n}<\/pre>\n<p>\u4f46\u4e0a\u9762\u7684\u5b9e\u73b0\u6709\u4e2a\u95ee\u9898\uff0c\u90a3\u5c31\u662f\u5b9a\u4f4d\u5143\u7d20\u7684\u9ed8\u8ba4\u53ef\u5206\u914d\u7684\u5bbd\u5ea6\u53ea\u670950%\u7684\u5c4f\u5e55\u5bbd\u5ea6\uff0c\u5185\u5bb9\u5982\u679c\u8d85\u51fa\uff0c\u5c31\u4f1a\u53d1\u751f\u6362\u884c\uff0c\u4f8b\u5982\uff1a<\/p>\n<pre>&lt;span class=\"target\"&gt;\r\n  \u6625\u8282\u524d\u4e0a\u67b6\u7684\u6398\u91d1\u5c0f\u518c\u300a\u6280\u672f\u5199\u4f5c\u6307\u5357\u300b\u5df2\u7ecf2000\u591a\u4eba\u53c2\u4e0e\u5b66\u4e60\u5566\uff0c\u611f\u8c22\u5927\u5bb6\u7684\u652f\u6301\r\n&lt;\/span&gt;<\/pre>\n<p>\u6548\u679c\u5982\u4e0b\u6240\u793a\uff08\u5185\u5d4ciframe\uff0c\u5b9e\u65f6\u6e32\u67d3\u6548\u679c\uff0c\u65e0\u5185\u5bb9\u8bf7\u8bbf\u95ee\u201c\u946b\u7a7a\u95f4\u201d<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=10707\" rel=\"nofollow\">\u539f\u6587<\/a>\uff09\uff1a<\/p>\n<p><iframe src=\"\/study\/202302\/fixed-size.html\" style=\"border:0; width: 360px; height: 200px; max-width: calc(100% - 2rem);\"><\/iframe><\/p>\n<p>\u53ef\u4ee5\u770b\u5230\uff0c\u5185\u5bb9\u663e\u793a\u5bbd\u5ea6\u53ea\u6709\u4e00\u534a\uff0c\u5b9e\u9645\u671f\u671b\u7684\u6548\u679c\u662f\u5185\u5bb9\u63a5\u8fd1\u5c4f\u5e55\u5bbd\u5ea6\u7684\u65f6\u5019\u6362\u884c\u3002<\/p>\n<p>\u4f7f\u7528\u4f20\u7edf\u7684CSS\u5c5e\u6027\u8fd8\u4e0d\u592a\u597d\u5904\u7406\uff0c\u65e0\u8bba\u662f<code>max-width<\/code>\u6700\u5927\u5bbd\u5ea6\uff0c<code>min-width<\/code>\u6700\u5c0f\u5bbd\u5ea6\u90fd\u4e0d\u5408\u9002\u3002<\/p>\n<p>\u6b64\u65f6\uff0c\u53ef\u4ee5\u8bd5\u8bd5\u4f7f\u7528\u4e0b\u9762\u7684 fit-content \u52a0 margin \u65b9\u6cd5\u5b9e\u73b0\u5c45\u4e2d\u5bf9\u9f50\u3002<\/p>\n<h3>\u4e8c\u3001fit-content\u4e0e\u5143\u7d20\u5c45\u4e2d<\/h3>\n<p>\u4e0d\u54d4\u54d4\uff0c\u76f4\u63a5\u4e0a\u4ee3\u7801\uff0c\u5c31\u662f\u4e0b\u9762\u8fd9\u6837\uff0c\u8001\u5c11\u7686\u5b9c\uff0c\u7ae5\u53df\u65e0\u6b3a\u3002<\/p>\n<pre>.target {\r\n  position: fixed;\r\n  left: 1rem; right:1rem;\r\n  width: fit-content;\r\n  margin-inline: auto;\r\n}<\/pre>\n<p>\u6b64\u65f6\u6548\u679c\u5982\u4e0b\u6240\u793a\uff08\u5185\u5d4ciframe\uff0c\u5b9e\u65f6\u6e32\u67d3\uff0c\u70b9\u51fb\u6587\u5b57\u53ef\u8fde\u7eed\u53d8\u6362\u5185\u5bb9\uff09\uff1a<\/p>\n<p><iframe src=\"\/study\/202302\/fixed-nice.html\" style=\"border:0; width: 360px; height: 200px; max-width: calc(100% - 2rem);\"><\/iframe><\/p>\n<p>\u81f3\u4e8e\u4e3a\u4f55\u53ef\u4ee5\u5c45\u4e2d\uff0c\u4f60\u5148\u8981\u4e86\u89e3<code>width:fit-content<\/code>\u7684\u542b\u4e49\uff0c\u300aCSS\u65b0\u4e16\u754c\u300b\u8fd9\u672c\u4e66\u6709\u8bf4\u660e\uff0c\u867d\u7136\u56fa\u5b9a\u5b9a\u4f4d\u5143\u7d20\u9ed8\u8ba4\u8868\u73b0\u5c31\u662ffit-content\uff0c\u4f46\u662f\u5fc5\u987b\u663e\u5f0f\u5730\u58f0\u660ewidth\u5c5e\u6027\u503c\uff0c\u8fd9\u6837\uff0cleft\/right\u540c\u65f6\u8bbe\u7f6e\u7684\u65f6\u5019\u5c3a\u5bf8\u624d\u4e0d\u4f1a\u62c9\u4f38\uff0c\u4e5f\u7ed9<code>margin:auto<\/code>\u7684\u8ba1\u7b97\u7559\u4e0b\u7684\u7a7a\u95f4\uff0c\u5c45\u4e2d\u8ba1\u7b97\u539f\u7406\u300aCSS\u4e16\u754c\u300b\u8fd9\u672c\u4e66\u6709\u4ecb\u7ecd\u3002<\/p>\n<p>\u5982\u679c\u624b\u5934\u6ca1\u6709\u8fd9\u4e24\u672c\u4f18\u8d28CSS\u4e66\u7c4d\u4e5f\uff0c\u53ef\u4ee5\u8bbf\u95ee\u201c<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/2016\/05\/css3-width-max-contnet-min-content-fit-content\/\">\u7406\u89e3CSS fit-content\u7b49width\u503c<\/a>\u201d\u548c\u201c<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=3794\">margin:auto\u5b9e\u73b0\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\u7684\u6c34\u5e73\u5782\u76f4\u5c45\u4e2d<\/a>\u201d\u8fd9\u4e24\u7bc7\u5386\u53f2\u6587\u7ae0\u4e86\u89e3\u76f8\u5173\u5b9e\u73b0\u3002<\/p>\n<p>\u603b\u4e4b\uff0c\u7edd\u5bf9\u5b9a\u4f4d\u6216\u56fa\u5b9a\u5b9a\u4f4d\u5143\u7d20\u7684\u6c34\u5e73\u5c45\u4e2d\u6548\u679c\u7684\u6700\u4f73\u5b9e\u73b0\u5c31\u4ed6\u4e86\uff0c\u7279\u522b\u9002\u5408\u7528\u5728toast\u63d0\u793a\u8fd9\u7c7b\u5185\u5bb9\u52a8\u6001\u7684\u6548\u679c\u4e2d\u3002<\/p>\n<h3>\u4e09\u3001transform\u4e0efixed\u5931\u6548\u7684\u95ee\u9898<\/h3>\n<p>\u56fa\u5b9a\u5b9a\u4f4d\u5143\u7d20\u548ctransform\u540c\u65f6\u4f7f\u7528\uff0c\u5143\u7d20\u7684\u56fa\u5b9a\u5b9a\u4f4d\u7279\u6027\u662f\u4fdd\u7559\u7684\uff0c\u53ef\u8981\u662f\u56fa\u5b9a\u5b9a\u4f4d\u5143\u7d20\u7684\u7956\u5148\u6709<code>transform<\/code>\u8bbe\u7f6e\uff08\u6216\u8005scale\/translate\/rotate\/filter\u7b49\u5c5e\u6027\uff09\uff0c\u5219\u56fa\u5b9a\u5b9a\u4f4d\u5143\u7d20\u4f1a\u8868\u73b0\u4e3a\u7edd\u5bf9\u5b9a\u4f4d\u4e00\u822c\u3002<\/p>\n<p>\u6bd4\u65b9\u8bf4\u4e0b\u9762\u7684\u4ee3\u7801\u6848\u4f8b\uff1a<\/p>\n<pre name=\"code\" class=\"html\">&lt;div class=\"outer\"&gt;\r\n  &lt;div class=\"inner\"&gt;\r\n    &lt;span class=\"target\"&gt;\u6280\u672f\u5199\u4f5c\u6307\u5357\uff0c\u4e0d\u4ec5\u662f\u5199\u4f5c\u6307\u5357&lt;\/span&gt;\r\n  &lt;\/div&gt;\r\n&lt;\/div&gt;<\/pre>\n<pre>.outer {\r\n    border: solid;    \r\n    height: 200px;\r\n    overflow: auto;\r\n}\r\n.inner {\r\n    height: 600px;\r\n    transform: scale(1);\r\n}\r\n.target {\r\n    position: fixed;\r\n    top: 100px;\r\n}<\/pre>\n<p>\u6b64\u65f6\uff0cspan.target \u5143\u7d20\u660e\u660e\u8bbe\u7f6e\u7684\u662f<code>position:fixed<\/code>\uff0c\u4f46\u4f9d\u7136\u53ef\u4ee5\u8f7b\u677e\u88ab\u6eda\u8d70\uff0c\u5c31\u662f\u56e0\u4e3a\u7236\u5143\u7d20\u8bbe\u7f6e\u4e86<code>transform:scale(1)<\/code>\u3002<\/p>\n<p>\u5982\u4e0bGIF\u5f55\u5c4f\u6240\u793a\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202302\/scroll-absolute.gif\" width=\"359\" height=\"259\" alt=\"\u8ddf\u968f\u6eda\u52a8\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u4e5f\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\u4f53\u9a8c\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/study\/202302\/css-transform-fixed-to-absolute-demo.php\" rel=\"noopener\" target=\"_blank\">transform\u5185\u7684fixed\u5143\u7d20\u53d8\u6210\u7edd\u5bf9\u5b9a\u4f4ddemo<\/a><\/p>\n<p>\u90a3\u6709\u6ca1\u6709\u4ec0\u4e48\u529e\u6cd5\u8bbe\u7f6e<code>transform<\/code>\u7684\u540c\u65f6\u8ba9\u5b50\u5143\u7d20\u4f9d\u7136\u6709\u56fa\u5b9a\u5b9a\u4f4d\u7684\u6548\u679c\u5462\uff1f<\/p>\n<p>\u5982\u679c\u6eda\u52a8\u5bb9\u5668\u662f\u5168\u5c4f\u6eda\u52a8\u7684\uff0c\u5219\u53ef\u4ee5\u4f7f\u7528 position:sticky \u9ecf\u6027\u5b9a\u4f4d\u6a21\u62df\u56fa\u5b9a\u5b9a\u4f4d\u7684\u6548\u679c\u3002<\/p>\n<h4>\u6a21\u62df\u56fa\u5b9a\u5b9a\u4f4d<\/h4>\n<p>\u5148\u770b\u6f14\u793a\uff0c\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a<a href=\"https:\/\/www.zhangxinxu.com\/study\/202302\/css-transform-still-fixed-demo.php\" rel=\"noopener\" target=\"_blank\">transform\u5bb9\u5668\u5185\u5143\u7d20\u4f9d\u7136\u56fa\u5b9a\u5b9a\u4f4ddemo<\/a><\/p>\n<p>\u8fd9\u662f\u6700\u7ec8\u5b9e\u73b0\u7684\u6548\u679c\uff0c\u770b\u5230\u6ca1\uff0c\u6eda\u52a8\u7684\u65f6\u5019\uff0c\u76ee\u6807\u5143\u7d20\u7eb9\u4e1d\u4e0d\u52a8\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202302\/still-fixed.gif\" width=\"375\" height=\"291\" alt=\"\u76ee\u6807\u5143\u7d20\u6eda\u52a8\u4e0d\u8ddf\u968f\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u76f8\u5173HTML\u548cCSS\u4ee3\u7801\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>&lt;div class=\"wrap\"&gt;\r\n    &lt;span class=\"target\"&gt;\u6280\u672f\u5199\u4f5c\u6307\u5357\uff0c\u4e0d\u4ec5\u662f\u5199\u4f5c\u6307\u5357&lt;\/span&gt;\r\n&lt;\/div&gt;<\/pre>\n<pre>.wrap {\r\n    position: absolute;\r\n    inset: 0;\r\n    width: fit-content;\r\n    margin-inline: auto;\r\n    transform: scale(1);\r\n    pointer-events: none;\r\n}\r\n.target {\r\n    position: sticky;\r\n    top: 200px;\r\n    pointer-events: auto;\r\n}<\/pre>\n<p>\u5b9e\u73b0\u7684\u5173\u952e\u5c31\u662f\u7ed9\u539f\u672c\u9700\u8981\u56fa\u5b9a\u5b9a\u4f4d\u7684\u5143\u7d20\u5916\u9762\u5305\u88f9\u4e00\u5c42\u201c\u5b89\u5168\u5c4b\u201d\u5143\u7d20\uff0c\u8fd9\u4e2a\u5143\u7d20\u7edd\u5bf9\u5b9a\u4f4d\uff08\u4e0d\u5360\u636e\u5e03\u5c40\u7a7a\u95f4\uff09\uff0c\u540c\u65f6\u9ad8\u5ea6\u9700\u8981\u662f\u6eda\u52a8\u4e3b\u4f53\u5143\u7d20\u7684\u9ad8\u5ea6\uff08\u975e\u6eda\u52a8\u5bb9\u5668\u9ad8\u5ea6\uff09\uff0c\u8fd9\u4e2a\u65f6\u5019\uff0c\u7c98\u6027\u5b9a\u4f4d\u5143\u7d20\u5c31\u8868\u73b0\u4e3a\u6eda\u52a8\u5b9a\u4f4d\u6548\u679c\u4e86\u3002<\/p>\n<p>\u66f4\u8fdb\u4e00\u6b65\u7684\u539f\u7406\u53ef\u4ee5\u53c2\u89c1\u6211\u4e4b\u524d\u7684\u8fd9\u7bc7\u6587\u7ae0\u201c<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/2020\/03\/position-sticky-rules\/\">\u6df1\u5165\u7406\u89e3position sticky\u7c98\u6027\u5b9a\u4f4d\u7684\u8ba1\u7b97\u89c4\u5219<\/a>\u201d\uff0c\u53ef\u80fd\u6709\u70b9\u96be\u61c2\uff0c\u9700\u8981\u591a\u9605\u8bfb\u51e0\u904d\uff0c\u5728\u300aCSS\u65b0\u4e16\u754c\u300b\u4e2d\u4e5f\u6709\u76f8\u5173\u7684\u539f\u7406\u8bf4\u660e\u3002<\/p>\n<h3>\u56db\u3001\u5173\u4e8e\u6211\u7684\u6398\u91d1\u5c0f\u518c<\/h3>\n<p>\u597d\uff0c\u4ee5\u4e0a\u5c31\u662f\u6b63\u6587\u5185\u5bb9\u4e86\uff0c\u4e0b\u9762\u8bb2\u4e0b\u53bb\u5e74\u5e74\u5e95\u4e0a\u67b6\u7684\u6211\u7684\u7b2c\u4e00\u672c\u6398\u91d1\u5c0f\u6d4b\u300a<a href=\"https:\/\/juejin.cn\/book\/7184663814950879270\" rel=\"noopener\" target=\"_blank\" style=\"filter:brighness(125%)\">\u6280\u672f\u5199\u4f5c\u6307\u5357<\/a>\u300b\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202302\/2023-02-06_231420.png\" width=\"728\" height=\"278\" alt=\"\u6280\u672f\u5199\u4f5c\u6307\u5357\" class=\"alignnone size-medium\" 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