{"id":12115,"date":"2026-03-30T14:08:36","date_gmt":"2026-03-30T06:08:36","guid":{"rendered":"https:\/\/www.zhangxinxu.com\/wordpress\/?p=12115"},"modified":"2026-03-30T14:08:36","modified_gmt":"2026-03-30T06:08:36","slug":"css-corner-shape-background-pattern","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2026\/03\/css-corner-shape-background-pattern\/","title":{"rendered":"CSS corner-shape\u4e0e\u80cc\u666f\u5e95\u7eb9\u6280\u672f"},"content":{"rendered":"<p>by <a href=\"https:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/?p=12115\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=12115<\/a><br \/>\n\u672c\u6587\u53ef\u5168\u6587\u8f6c\u8f7d\uff0c\u4f46\u9700\u8981\u4fdd\u7559\u539f\u4f5c\u8005\u3001\u51fa\u5904\u4ee5\u53ca\u6587\u4e2d\u94fe\u63a5\uff0cAI\u6293\u53d6\u4fdd\u7559\u539f\u6587\u5730\u5740\uff0c\u4efb\u4f55\u7f51\u7ad9\u5747\u53ef\u6458\u8981\u805a\u5408\uff0c\u5546\u7528\u8bf7\u8054\u7cfb\u6388\u6743\u3002<\/p>\n<h3>\u4e00\u3001corner-shape\u4e4b\u524d\u4ecb\u7ecd\u8fc7<\/h3>\n<p>CSS <code>corner-shape<\/code>\u5c5e\u6027\u53bb\u5e748\u6708\u4efd\u521a\u521a\u4ecb\u7ecd\u8fc7\uff0c\u53ef\u4ee5\u5b9e\u73b0\u591a\u79cd\u56fe\u5f62\u6548\u679c\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202603\/2026-3-29_093610.png\" width=\"665\" height=\"331\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u5f88\u5f3a\uff0c\u4e5f\u5927\u5f00\u773c\u754c\u3002<\/p>\n<p>\u6709\u5174\u8da3\u7684\u53ef\u4ee5\u53bb\u8fd9\u91cc\u5b66\u4e60\u5176\u8bed\u6cd5\uff1a\u201c<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/2025\/08\/css-corner-shape\/\">\u5927\u5f00\u773c\u754c\u7684CSS corner-shape\u5c5e\u6027<\/a>\u201d<\/p>\n<p>\u4f46\u662f\u8fd9\u4e9b\u56fe\u5f62\u6548\u679c\u4e00\u6b21\u53ea\u80fd\u521b\u5efa\u4e00\u4e2a\uff0c\u5982\u679c\u53ef\u4ee5\u5c06\u8fd9\u4e9b\u56fe\u5f62\u6548\u679c\u6279\u91cf\u590d\u5236\uff0c\u5c82\u4e0d\u662f\u53ef\u4ee5\u5b9e\u73b0\u5404\u79cd\u590d\u6742\u7684\u5e95\u7eb9\u80cc\u666f\u6548\u679c\u3002<\/p>\n<p>\u8fd8\u771f\u53ef\u4ee5\u5b9e\u73b0\u3002<\/p>\n<h3>\u4e8c\u3001\u6587\u5b57\u3001\u56fe\u5f62SVG\u80cc\u666f\u6280\u672f<\/h3>\n<p>\u8fd9\u79cd\u5c06HTML\u5185\u5bb9\u53d8\u6210SVG\u80cc\u666f\u56fe\u7684\u6280\u672f\u6211\u4e4b\u524d\u5c31\u7814\u7a76\u5e76\u4ecb\u7ecd\u8fc7\uff0c\u53ef\u4ee5\u53c2\u89c1\u201c<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/2020\/10\/text-as-css-background-image\/\">\u5982\u4f55\u8ba9\u6587\u5b57\u4f5c\u4e3aCSS\u80cc\u666f\u56fe\u7247\u663e\u793a<\/a>\u201d\u6b64\u6587\u3002<\/p>\n<p>\u5bf9\u4e8e\u6587\u5b57\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u7eafSVG\u8bed\u6cd5\u3002<\/p>\n<p>\u4f46\u662f\uff0c\u5bf9\u4e8e\u76f8\u5bf9\u6709\u4e9b\u590d\u6742\u7684\u56fe\u5f62\u6548\u679c\uff0c\u6211\u4eec\u53ef\u4ee5\u501f\u52a9<code>&lt;foreignObject&gt;<\/code>\u5143\u7d20\u3002<\/p>\n<p>foreignObject\u6211\u4e4b\u524d\u4e5f\u4ecb\u7ecd\u8fc7\uff0c\u53ef\u4ee5\u7528\u6765\u5b9e\u73b0DOM\u622a\u56fe\u6548\u679c\uff0c\u8be6\u89c1\u201c<a href=\"https:\/\/www.zhangxinxu.com\/wordpress\/2017\/08\/svg-foreignobject\/\">SVG foreignObject\u7b80\u4ecb\u4e0e\u622a\u56fe\u7b49\u5e94\u7528<\/a>\u201d\u4e00\u6587\u3002<\/p>\n<p>\u6240\u4ee5\uff0c\u6211\u4eec\u7684\u5b9e\u73b0\u6a21\u677f\u5c31\u53d8\u6210\u4e86\u8fd9\u6837\uff1a<\/p>\n<pre>.template {\r\n  background: url('data:image\/svg+xml,&lt;svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\"&gt;&lt;foreignObject width=\"100%\" height=\"100%\"&gt;&lt;div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\"&gt;\u5bf9\u8be5DIV\u8bbe\u7f6e\u6837\u5f0f&lt;\/div&gt;&lt;\/foreignObject&gt;&lt;\/svg&gt;'\r\n}<\/pre>\n<h3>\u4e09\u3001\u5b9e\u6218-\u4ece\u6700\u7b80\u5355\u7684\u5f00\u59cb<\/h3>\n<p>\u5728\u8fc7\u53bb\uff0c\u6211\u4eec\u8981\u5b9e\u73b0\u7f51\u683c\u7ebf\uff0c\u9700\u8981\u4f7f\u7528\u4e24\u4e2a<code>repeating-linear-gradient()<\/code>\u6e10\u53d8\u51fd\u6570\uff0c\u51fd\u6570\u91cc\u9762\u4e5f\u9700\u8981\u5199\u6bd4\u8f83\u7cbe\u786e\u7684\u65ad\u70b9\u3002<\/p>\n<p>\u5982\u679c\uff0c\u501f\u52a9<code>corner-shape<\/code>\u5c5e\u6027\uff0c\u6211\u4eec\u6709\u4e86\u66f4\u52a0\u6e10\u53d8\u7684\u5b9e\u73b0\u65b9\u6cd5\u3002<\/p>\n<p>CSS\u4ee3\u7801\u793a\u610f\uff1a<\/p>\n<pre>.grid-bg {\r\n  aspect-ratio: 1;\r\n  background: #fff url('data:image\/svg+xml,&lt;svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\"&gt;&lt;foreignObject width=\"100%\" height=\"100%\"&gt;&lt;div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"border: 1px solid deepskyblue;border-radius: calc(50% - 1px);corner-shape: notch;aspect-ratio: 1;width:60px;\"&gt;&lt;\/div&gt;&lt;\/foreignObject&gt;&lt;\/svg&gt;');\r\n  background-size: 60px 60px;\r\n}<\/pre>\n<p>\u6b64\u65f6\uff0c\u6211\u4eec\u7ed9\u9875\u9762\u6dfb\u52a0\u4e00\u4e2a\u7c7b\u540d\u662f<code>grid-bg<\/code>\u7684canvas\u5143\u7d20\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u770b\u5230\u5982\u4e0b\u56fe\u6240\u793a\u7684\u5e95\u7eb9\u6548\u679c\u4e86\uff1a<\/p>\n<style>.grid-bg {aspect-ratio: 1;background: #fff url(\"data:image\/svg+xml,%3Csvg xmlns='http:\/\/www.w3.org\/2000\/svg'%3E%3CforeignObject width='100%25' height='100%25'%3E%3Cdiv xmlns='http:\/\/www.w3.org\/1999\/xhtml' style='border: 1px solid deepskyblue;border-radius: calc(50%25 - 1px);corner-shape: notch;aspect-ratio: 1;width:60px;'%3E%3C\/div%3E%3C\/foreignObject%3E%3C\/svg%3E\");background-size: 60px 60px;}@supports not (corner-shape: notch) {.grid-bg, .grid-bg2 {background: #000 url(\"data:image\/svg+xml,%3Csvg xmlns='http:\/\/www.w3.org\/2000\/svg'%3E%3Ctext x='50%25' y='50%25' font-size='14' fill='%23ffffff' font-family='system-ui, sans-serif' text-anchor='middle' dominant-baseline='middle'%3E\u5f53\u524d\u6d4f\u89c8\u5668\u4e0d\u652f\u6301%3C\/text%3E%3C\/svg%3E\") no-repeat center;}}<\/style>\n<p><canvas class=\"grid-bg\"><\/canvas><\/p>\n<p>\u800cCSS\u7684\u80cc\u666f\u56fe\u662f\u53ef\u4ee5\u65e0\u9650\u53e0\u52a0\u7684\uff0c\u6240\u4ee5\uff0c\u6211\u4eec\u53ef\u4ee5\u518d\u7f51\u683c\u7ebf\u57fa\u7840\u4e0a\u518d\u878d\u5408\u70b9\u5176\u4ed6\u56fe\u5f62\uff0c\u4f8b\u5982\uff0c\u95ea\u70c1\u661f\u661f\uff0c\u4e8e\u662f\uff1a<\/p>\n<pre>..grid-bg2 {\r\n  aspect-ratio: 1;\r\n  --url-star: url(\"data:image\/svg+xml,&lt;svg xmlns='http:\/\/www.w3.org\/2000\/svg'&gt;&lt;foreignObject width='100%' height='100%'&gt;&lt;div xmlns='http:\/\/www.w3.org\/1999\/xhtml' style='background:deeppink;width:60px;height:60px;corner-shape:superellipse(-2.5);border-radius:50%;'&gt;&lt;\/div&gt;&lt;\/foreignObject&gt;&lt;\/svg&gt;\");\r\n  --url-grid: url('data:image\/svg+xml,&lt;svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\"&gt;&lt;foreignObject width=\"100%\" height=\"100%\"&gt;&lt;div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\" style=\"border: 1px solid deepskyblue;border-radius: calc(50% - .75px);corner-shape: notch;aspect-ratio: 1;width:60px;\"&gt;&lt;\/div&gt;&lt;\/foreignObject&gt;&lt;\/svg&gt;');\r\n  background: var(--url-star) 1px 1px, var(--url-grid);\r\n  background-size: 60px 60px;\r\n}<\/pre>\n<p>\u53ef\u4ee5\u6709\u5982\u4e0b\u56fe\u6240\u793a\u7684\u6e32\u67d3\u6548\u679c\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202603\/2026-3-30_113206.png\" width=\"316\" height=\"310\" alt=\"\u5e95\u7eb9\u56fe\u5f62\u6548\u679c\u793a\u610f\" class=\"alignnone size-medium\" \/><\/p>\n<h4>\u66f4\u591a\u6848\u4f8b<\/h4>\n<p>\u8fd9\u91cc\u6709\u4e2a<a href=\"https:\/\/codepen.io\/rpsthecoder\/pen\/wBWdwey\" rel=\"noopener\" target=\"_blank\">codepen\u5730\u5740<\/a>\uff0c\u91cc\u9762\u6709\u591a\u4e2a\u4f7f\u7528<code>corner-shape<\/code>\u5c5e\u6027\u5b9e\u73b0\u7684\u80cc\u666f\u7eb9\u7406\u56fe\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202603\/2026-3-30_113627.png\" width=\"639\" height=\"320\" alt=\"\u80cc\u666f\u7eb9\u7406\u56fe\" class=\"alignnone size-medium\" \/><\/p>\n<p>\u539f\u7406\u90fd\u662f\u4e00\u6837\u7684\uff0c\u6211\u5c31\u4e0d\u8d58\u8ff0\u4e86\u3002<\/p>\n<h3>\u56db\u3001\u7ed3\u8bed\u8bf4\u660e<\/h3>\n<p>\u5982\u679c\u9047\u5230SVG\u56fe\u5f62\u76f4\u63a5\u8bbf\u95ee\u662f\u53ef\u4ee5\u7684\uff0c\u4f46\u662f\u4f5c\u4e3abackground\u56fe\u7247\u5c31\u65e0\u6cd5\u6e32\u67d3\uff0c\u8bd5\u8bd5\u5bf9\u5176\u8fdb\u884c\u8f6c\u4e49\uff0c\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<pre>const encodeSvg = function (str) {\r\n    return \"data:image\/svg+xml,\" + str.replace(\/\"\/g,\"'\").replace(\/%\/g,\"%25\").replace(\/#\/g,\"%23\").replace(\/{\/g,\"%7B\").replace(\/}\/g,\"%7D\").replace(\/&lt;\/g,\"%3C\").replace(\/&gt;\/g,\"%3E\");\r\n}<\/pre>\n<p>\u5176\u4e2d <code>str<\/code>\u5c31\u662f\u5b8c\u6574\u7684SVG\u4ee3\u7801\u3002<\/p>\n<p>\u53e6\u5916\uff0c\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u4f7f\u7528<code>&lt;foreignObject&gt;<\/code>\u5143\u7d20\u4f5c\u4e3aSVG\u80cc\u666f\u56fe\u5f62\u7684\u65f6\u5019\uff0c\u91cc\u9762\u7684HTML\u7956\u5148\u5143\u7d20\u9700\u8981\u8bbe\u7f6exhtml\u7684\u547d\u540d\u7a7a\u95f4\uff0c\u5916\u90e8\u7684SVG\u5143\u7d20\u4e5f\u9700\u8981SVG\u7684\u547d\u540d\u7a7a\u95f4\uff0c\u5426\u5219\u4f1a\u6709\u6e32\u67d3\u95ee\u9898\u3002<\/p>\n<p>\u622a\u6b62\u5230\u4eca\u5929\uff0c\u4e5f\u5c31\u662f2026\u5e743\u670830\u65e5\uff0c<code>corner-shape<\/code>\u5c5e\u6027\u4f9d\u7136\u53ea\u6709Chrome\u6d4f\u89c8\u5668\u652f\u6301\uff0c\u6240\u4ee5\uff0c\u672c\u6280\u672f\uff0c\u5927\u5bb6\u76ee\u524d\u4e86\u89e3\u4e0b\u5373\u53ef\uff0c\u5b9e\u9645\u751f\u4ea7\u73af\u5883\u4f7f\u7528\uff0c\u8fd8\u9700\u8981\u4e9b\u65f6\u65e5\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202603\/2026-3-30_114236.png\" width=\"572\" height=\"259\" alt=\"corner-shape\u7684\u517c\u5bb9\u6027\" class=\"alignnone size-medium\" \/><\/p>\n<p>\ud83d\ude09\ud83d\ude0a\ud83d\ude07<br \/>\n\ud83e\udd70\ud83d\ude0d\ud83d\ude18<\/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=12115\">https:\/\/www.zhangxinxu.com\/wordpress\/?p=12115<\/a><\/p>\n<p>\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/image.zhangxinxu.com\/image\/blog\/202603\/2026-3-30_140506.jpeg\" width=\"160\" height=\"96\" alt=\"\u80cc\u666f\u5e95\u7eb9\u6280\u672f\" class=\"alignright size-medium\" loading=\"lazy\" \/><\/p>\n<p>corner-shape\u53ef\u4ee5\u751f\u6210\u591a\u79cd\u590d\u6742\u7684\u56fe\u5f62\uff0c\u90a3\u4e48\uff0c\u6709\u6ca1\u6709\u4ec0\u4e48\u529e\u6cd5\u628a\u8fd9\u4e9b\u56fe\u5f62\u53d8\u6210\u5e95\u7eb9\u80cc\u666f\u5462\uff1f<\/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":[1617,163,2078,977,1760,642],"_links":{"self":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/12115"}],"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=12115"}],"version-history":[{"count":7,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/12115\/revisions"}],"predecessor-version":[{"id":12165,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/12115\/revisions\/12165"}],"wp:attachment":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/media?parent=12115"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/categories?post=12115"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/tags?post=12115"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}