{"id":12026,"date":"2026-01-16T20:58:23","date_gmt":"2026-01-16T12:58:23","guid":{"rendered":"https:\/\/www.zhangxinxu.com\/wordpress\/?p=12026"},"modified":"2026-01-16T20:58:23","modified_gmt":"2026-01-16T12:58:23","slug":"css-anchor-position-connect","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2026\/01\/css-anchor-position-connect\/","title":{"rendered":"\u7eafCSS\u5b9e\u73b0\u6298\u7ebf\u8fde\u63a5\u4e24\u4e2a\u4efb\u610f\u5143\u7d20\u6548\u679c"},"content":{"rendered":"

by zhangxinxu<\/a> from https:\/\/www.zhangxinxu.com\/wordpress\/?p=12026<\/a>
\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

\u4e00\u3001\u4e8b\u60c5\u7684\u8d77\u56e0<\/h3>\n

\u4e4b\u524d\u4ecb\u7ecdCSS\u951a\u70b9\u5b9a\u4f4d<\/a>\u7684\u65f6\u5019\u6709\u63d0\u5230\uff1a<\/p>\n

\u6211\u4eec\u53ef\u4ee5\u5229\u7528\u6b64\u7279\u6027\uff0c\u8f7b\u677e\u5b9e\u73b0\u4efb\u610f\u4e24\u4e2a\u70b9\u76f8\u8fde\u7684\u6298\u7ebf\u6548\u679c\uff0c\u5728\u8fc7\u53bb\uff0c\u7c7b\u4f3c\u8fd9\u6837\u7684\u6548\u679c\u4e00\u5b9a\u8981\u501f\u52a9JS\u624d\u53ef\u4ee5\u3002<\/p><\/blockquote>\n

\"\u6298\u7ebf\u6548\u679c\u95ee\u7b54\"<\/p>\n

\u7136\u540e\u6211\u5c31\u62bd\u7a7a\u81ea\u5df1\u8bd5\u9a8c\u4e86\u81ea\u5df1\u7684\u60f3\u6cd5\uff0c\u53d1\u73b0\u6b64\u4e8b\u5e76\u6ca1\u6709\u81ea\u5df1\u60f3\u7684\u90a3\u4e48\u7b80\u5355\u3002<\/p>\n

\u4e8c\u3001\u5148\u770b\u4e0b\u6548\u679c<\/h3>\n

\u5148\u770bGIF\u5f55\u5c4f\u6548\u679c\uff0c\u7eafCSS\u5b9e\u73b0\u7684\uff1a<\/p>\n

\"\u62d6\u62fd\"<\/p>\n

\u6f14\u793a\u9875\u9762<\/h4>\n

\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a\u7eafCSS\u5b9e\u73b0\u4e24\u4e2a\u5143\u7d20\u4e4b\u95f4\u6298\u7ebf\u81ea\u52a8\u76f8\u8fdedemo<\/a><\/p>\n

\u5b9e\u73b0\u539f\u7406<\/h4>\n

\u5148\u4ece\u6700\u7b80\u5355\u7684\u8bf4\u8d77\uff0c\u4e24\u4e2a\u5706\u548c\u4e00\u6761\u7ebf\u3002<\/p>\n

<div class=\"circle circle-a\"><\/div>\r\n<div class=\"circle circle-b\"><\/div>\r\n<i class=\"line\"><\/i> <\/pre>\n
\u5706\u7684\u6837\u5f0f\u5f88\u7b80\u5355\uff0c50%\u5706\u89d2\u7edd\u5bf9\u5b9a\u4f4d\u5c31\u53ef\u4ee5\u4e86\uff0c\u5bf9\u4e8e\u672c\u6587\u9700\u8981\u5b9e\u73b0\u7684\u6548\u679c\uff0c\u91cd\u8981\u7684\u662f\u5b9a\u4e49\u951a\u70b9\u7684\u540d\u79f0\uff1a<\/p>\n
.circle-a {\r\n  anchor-name: --a;\r\n}\r\n.circle-b {\r\n  anchor-name: --b;\r\n}<\/pre>\n
\u6b64\u65f6\uff0c\u6211\u4eec\u7684\u7ebf\u5c31\u53ef\u4ee5\u5de6\u53f3\u4e24\u4e2a\u7403\u5b9a\u4f4d\u4e86\uff1a<\/p>\n
.line {\r\n  position: absolute;\r\n  --posA: calc(anchor(--a inside) + anchor-size(--a) \/ 2);\r\n  --posB: calc(anchor(--b inside) + anchor-size(--b) \/ 2);\r\n  top: var(--posA);\r\n  bottom: var(--posB);\r\n  left: var(--posA);\r\n  right: var(--posB);\r\n  outline: dashed;\r\n}<\/pre>\n
\u6b64\u65f6\u7684\u6548\u679c\u5c31\u4f1a\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n
\"\u539f\u7406\u793a\u610f\u6b65\u9aa41\"<\/p>\n
\u6b64\u65f6\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528\u5bf9\u89d2\u7ebf\u6e10\u53d8\u8fde\u63a5\u7ebf\u6761\u4e86\uff08clip-path<\/code>\u526a\u88c1\u4e5f\u53ef\u4ee5\uff09\uff1a<\/p>\n
.line {\r\n  background: linear-gradient(to left bottom, transparent calc(50% - 2px), currentColor calc(50% - 2px) calc(50% + 2px), transparent calc(50% + 2px)) no-repeat;\r\n}<\/pre>\n
\u6548\u679c\u5982\u4e0b\u56fe\u6240\u793a\uff1a<\/p>\n
\"\u5bf9\u89d2\u7ebf\u8fde\u63a52\"<\/p>\n
\u8fd9\u7ebf\u90fd\u8dd1\u5230\u5706\u7403\u4e0a\u4e86\uff0c\u600e\u4e48\u529e\uff1f<\/p>\n
\u53ef\u4ee5\u906e\u7f69\u5904\u7406\u4e0b\uff0c\u6b63\u597d\u7aef\u70b9\u5f04\u4e24\u4e2a\u5f84\u5411\u6e10\u53d8\u906e\u7f69\u4e0b\u3002<\/p>\n
.line {\r\n  mask: radial-gradient(circle at 0 0, #000 85px, transparent 85px no-repeat, \r\n\t  radial-gradient(circle at right bottom, #000 65px, transparent 65px no-repeat, \r\n\t  linear-gradient(#000, #000);\r\n}<\/pre>\n
\"\u6700\u7ec8\u7684\u6548\u679c\"<\/p>\n
\u539f\u7406\u8fd8\u662f\u5f88\u7b80\u5355\u7684\uff0c\u4f46\u662f\u5b9e\u9645\u4e0a\uff0c\u4e24\u4e2a\u7403\u7684\u4f4d\u7f6e\u662f\u4e0d\u56fa\u5b9a\u7684\uff0c\u4e0a\u4e0b\u5de6\u53f3\u90fd\u6709\u53ef\u80fd\uff0c\u6240\u4ee5\uff0c\u5982\u679c\u53ea\u8003\u8651\u4e00\u4e2a\u65b9\u4f4d\uff0c\u90a3\u4e48\u4e24\u4e2a\u7403\u7684\u4f4d\u7f6e\u53d8\u5316\u7684\u65f6\u5019\uff0c\u76f4\u7ebf\u53ef\u80fd\u5c31\u4e0d\u663e\u793a\uff0c\u56e0\u6b64\uff0c\u6700\u7ec8\u662f\u4f7f\u7528\u4e864\u6761\u7ebf\u3002<\/p>\n
<div class=\"circle circle-a\"><\/div>\r\n<div class=\"circle circle-b\"><\/div>\r\n<i class=\"line line1\"><\/i> \r\n<i class=\"line line2\"><\/i> \r\n<i class=\"line line3\"><\/i> \r\n<i class=\"line line4\"><\/i><\/pre>\n
\u5b8c\u6574\u4ee3\u7801\u53ef\u4ee5\u53c2\u8003demo\u9875\u9762\u3002<\/p>\n
\u4e09\u3001\u5176\u4ed6\u4e00\u4e9b\u8bf4\u660e<\/h3>\n
\u4e0d\u8fc7\u4e0a\u9762\u7684\u5b9e\u73b0\u5e76\u4e0d\u5b8c\u7f8e\uff0c\u5f53\u4e24\u4e2a\u5706\u7684\u5706\u5fc3\u5728\u540c\u4e00\u6c34\u5e73\u7ebf\uff0c\u6216\u8005\u5728\u540c\u4e00\u5782\u76f4\u7ebf\u4e0a\u7684\u65f6\u5019\uff0c\u8fde\u63a5\u7ebf\u662f\u4e0d\u663e\u793a\u7684\u3002<\/p>\n
\u8fd9\u4e2a\u5176\u5b9e\u4e5f\u6709\u65b9\u6cd5\u89e3\u51b3\uff0c\u4e0d\u8fc7\u9ebb\u70e6\u4e86\u4e9b\u3002<\/p>\n
    \n
  1. \u9700\u8981\u5728\u8bbe\u7f6eline\u4e3acontainer\u5bb9\u5668\u5143\u7d20\uff1b<\/li>\n
  2. \u56fe\u5f62\u6548\u679c\u4f7f\u7528\u5b50\u5143\u7d20\u7ed8\u5236\uff0c\u540c\u65f6\u8bbe\u7f6e\u6700\u5c0f\u5c3a\u5bf8\uff1b<\/li>\n
  3. \u57fa\u4e8e 100cqw<\/code> \u548c 100cwh<\/code>\u8ba1\u7b97\u7684\u89d2\u5ea6\u5224\u65ad\u5b50\u5143\u7d20\u662f\u5426\u663e\u793a\uff0c\u5229\u7528opacity<\/code>\u5c5e\u6027\u7684\u8fb9\u754c\u7279\u6027\u3002<\/li>\n<\/ol>\n
    \u6709\u4e2acodepen\u6848\u4f8b<\/a>\u5c31\u662f\u8fd9\u4e48\u5b9e\u73b0\u7684\uff0c\u6709\u5174\u8da3\u53ef\u4ee5\u7814\u7a76\u4e0b\u3002<\/p>\n
    \u65f6\u95f4\u6709\u9650\uff0c\u6211\u5c31\u4e0d\u6df1\u5165\u4e86\uff0c\u56e0\u4e3a\u8fd9\u4e2a\u5b9e\u73b0\u6210\u672c\u5df2\u7ecf\u8d85\u8fc7JS\u4e86\u3002<\/p>\n
    \u597d\u5427\uff0c\u5c31\u8bf4\u8fd9\u4e48\u591a\uff0c\u5982\u679c\u89c9\u5f97\u5185\u5bb9\u4e0d\u9519\uff0c\u6b22\u8fce\u8f6c\u53d1\uff0c\u5206\u4eab\u3002<\/p>\n
    \u6211\u4eec\u4e0b\u4e00\u7bc7\u6587\u7ae0\u518d\u89c1\ud83d\udc4b\ud83c\udffb<\/p>\n
    \"\u542b\u97f5\u6325\u624b\"<\/p>\n
    \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
    \n\u672c\u6587\u5730\u5740\uff1a    https:\/\/www.zhangxinxu.com\/wordpress\/?p=12026<\/a><\/p>\n
    \uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"
    \"CSS\u8fde\u63a5\u7ebf\u5c01\u9762\u56fe\"<\/p>\n
    \u501f\u52a9CSS\u951a\u70b9\u5b9a\u4f4d\uff0c\u73b0\u5728\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528CSS\u7ed8\u5236\u6298\u7ebf\uff0c\u4ee5\u8fde\u63a5\u4efb\u610f\u4f4d\u7f6e\u7684\u4efb\u610f\u4e24\u4e2a\u56fe\u5f62\uff0c\u6709\u5174\u8da3\u7684\u53ef\u4ee5\u8fdb\u6765\u4e86\u89e3\u4e0b\u5b9e\u73b0\u539f\u7406\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":[1861,1978,1862,1865,1180,1078,398,1977],"_links":{"self":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/12026"}],"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=12026"}],"version-history":[{"count":5,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/12026\/revisions"}],"predecessor-version":[{"id":12055,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/12026\/revisions\/12055"}],"wp:attachment":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/media?parent=12026"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/categories?post=12026"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/tags?post=12026"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}