{"id":8060,"date":"2018-10-12T00:34:31","date_gmt":"2018-10-11T16:34:31","guid":{"rendered":"https:\/\/www.zhangxinxu.com\/wordpress\/?p=8060"},"modified":"2018-11-15T17:05:17","modified_gmt":"2018-11-15T09:05:17","slug":"css-visited-pseudo-class","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2018\/10\/css-visited-pseudo-class\/","title":{"rendered":"CSS :visited\u4f2a\u7c7b\u9009\u62e9\u5668\u9690\u79d8\u5f80\u4e8b\u56de\u5fc6\u5f55"},"content":{"rendered":"

by zhangxinxu<\/a> from https:\/\/www.zhangxinxu.com\/wordpress\/?p=8060<\/a>
\n\u672c\u6587\u53ef\u5168\u6587\u8f6c\u8f7d\uff0c\u4f46\u9700\u5f97\u5230\u539f\u4f5c\u8005\u4e66\u9762\u8bb8\u53ef\uff0c\u540c\u65f6\u4fdd\u7559\u539f\u4f5c\u8005\u548c\u51fa\u5904\uff0c\u6458\u8981\u5f15\u6d41\u5219\u968f\u610f\u3002<\/p>\n

\"\u5934\u56fe\"<\/p>\n

\u6628\u5929\u60f3\u4f7f\u7528a:visited<\/code>\u6539\u53d8\u53f3\u4fa7\u201c\u731c\u4f60\u559c\u6b22\u201d\u5df2\u8bbf\u95ee\u8fc7\u7684\u6587\u5b57\u989c\u8272\uff0c\u53d1\u73b0\u6539\u6765\u6539\u53bb\u6548\u679c\u90fd\u4e00\u822c\uff0c\u60f3\u5230\u8fd8\u6709\u5176\u4ed6\u51e0\u4e2aCSS\u53ef\u4ee5\u8bbe\u7f6e\uff0c\u4e0e\u989c\u8272\u76f8\u5173\u7684\uff0c\u7ed3\u679c\uff0c\u592a\u4e45\u6ca1\u4f7f\u7528\u8fd9\u4e2a\u4f2a\u7c7b\u9009\u62e9\u5668\uff0c\u5177\u4f53\u90a3\u51e0\u4e2a\u652f\u6301\u7684CSS\u4e00\u4e0b\u5b50\u8bb0\u4e0d\u5f97\u4e86\uff0c\u53d1\u73b0\u6709\u5fc5\u8981\u81ea\u5df1\u6574\u7406\u8bb0\u5f55\u4e0b\u3002<\/p>\n

\u4e00\u3001\u7531\u7231\u751f\u6068<\/h3>\n

\u94fe\u63a54\u4f2a\u7c7b\uff08\u540e\u4e24\u4e2a\u4f2a\u7c7b\u540e\u6765\u62d6\u62fd\u5230\u51e0\u4e4e\u6240\u6709HTML\u6807\u7b7e\u5143\u7d20\uff09\u5982\u679c\u540c\u65f6\u4f7f\u7528\uff0c\u5176\u987a\u5e8f\u662f\u8fd9\u6837\u7684\uff1a:link<\/code> \u2192 :visited<\/code> \u2192 :hover<\/code> \u2192 :active<\/code>\u3002<\/p>\n

\u9996\u5b57\u6bcd\u8fde\u8d77\u6765\u662fLVHA\uff0c\u987a\u5e8f\u5b8c\u5168\u7b26\u5408love-hate\uff0c\u4e5f\u5c31\u662f\u7231\u6068\uff0c\u6240\u8c13\u7531\u7231\u751f\u6068\uff0c\u8fd9\u6837\u987a\u5e8f\u5c31\u8bb0\u4f4f\u4e86\u3002<\/p>\n

\u76ee\u524d\u8fd9\u4e2a\u5e74\u4ee3\uff0c:link<\/code>\u8fd9\u4e2a\u4f2a\u7c7b\u7528\u5f97\u5df2\u7ecf\u4e0d\u591a\u4e86\uff0c\u4f46\u4f5c\u7528\u8fd8\u662f\u6709\u7684\uff0c\u6211\u4eec\u5e73\u65f6\u7528\u5f97\u6bd4\u8f83\u591a\u7684\u90fd\u662f\u76f4\u63a5\u8bbe\u7f6e<a><\/code>\u5143\u7d20\u7684\u989c\u8272\uff0c\u4f8b\u5982\uff1a<\/p>\n

a { color: blue; }<\/pre>\n
\u5b9e\u9645\u4e0a\uff0c\u4e0b\u9762\u8fd9\u79cd\u8981\u66f4\u5408\u9002\uff0c\u66f4\u89c4\u8303\uff1a<\/p>\n
a:link { color: blue; }<\/pre>\n
\u4e24\u8005\u6709\u4ec0\u4e48\u533a\u522b\u5462\uff1f<\/p>\n
\u533a\u522b\u5728\u4e0b\u9762\uff0c\u4e0b\u9762\u4e24\u4e2a<a><\/code>\u5143\u7d20\uff0c\u524d\u8005\u53ef\u4ee5\u5339\u914da:link<\/code>\u9009\u62e9\u5668\uff0c\u4f46\u540e\u8005\u5374\u53ea\u80fd\u5339\u914da<\/code>\u9009\u62e9\u5668\uff1a<\/p>\n
<a href=\"##\">\u6587\u5b57<\/a>\n<a>\u6587\u5b572<\/a><\/pre>\n
\u4f8b\u5982\u6211\u5f88\u559c\u6b22\u79fb\u9664href<\/code>\u5c5e\u6027\u8868\u793a<a><\/code>\u5143\u7d20\u6309\u94ae\u7684\u7981\u7528\u6001\uff0c\u4f7f\u7528a:link<\/code>\u7981\u7528\u548c\u975e\u7981\u7528\u7684CSS\u5c31\u66f4\u597d\u63a7\u5236\u4e86\u3002<\/p>\n
\u53ea\u662f\u6211\u4eec\u4f7f\u7528a:link<\/code>\u9009\u62e9\u5668\u7684\u65f6\u5019\uff0ca:visited<\/code>\u9009\u62e9\u5668\u4e5f\u4e00\u5b9a\u8981\u8bbe\u7f6e\uff08\u56e0\u4e3aa:link<\/code>\u5728\u6700\u524d\u9762\uff09\uff0c\u4e0d\u7136\u8bbf\u95ee\u8fc7\u7684\u94fe\u63a5\u989c\u8272\u5c31\u4f1a\u8ddf\u7740\u7cfb\u7edf\u6216\u8005\u5f53\u524d\u5143\u7d20\u8bbe\u7f6e\u7684color<\/code>\u8d70\uff0c\u8868\u73b0\u53cd\u800c\u6709\u4e9b\u4e71\uff0c\u56e0\u6b64\uff0c\u5f53\u4e0b\u5df2\u7ecf\u5f88\u5c11\u89c1\u5230\u4f7f\u7528:link<\/code>\u4f2a\u7c7b\u9009\u62e9\u5668\u7684\u4e86\u3002<\/p>\n
\u800c:visited<\/code>\u4f2a\u7c7b\u9009\u62e9\u5668\u4f9d\u7136\u5f88\u6709\u7528\uff0c\u5c24\u5176\u5728\u5217\u8868\u5f0f\u94fe\u63a5\u7ad9\u70b9\uff0c\u4f8b\u5982\u6587\u7ae0\u5217\u8868\uff0c\u7ae0\u8282\u5217\u8868\uff0c\u53ef\u4ee5\u8ba9\u7528\u6237\u77e5\u9053\u8fd9\u7bc7\u6587\u7ae0\u6211\u5df2\u7ecf\u770b\u8fc7\u4e86\uff0c\u7b97\u662f\u6bd4\u8f83\u53cb\u597d\u7684\u4e00\u79cd\u4f53\u9a8c\u5904\u7406\u3002<\/p>\n
\u4e8c\u3001:visited\u4f2a\u7c7b\u9009\u62e9\u5668\u652f\u6301CSS\u5f88\u6709\u9650<\/h3>\n
\u6216\u8bb8\u662f\u51fa\u4e8e\u5b89\u5168\u8003\u8651\uff0c:visited<\/code>\u4f2a\u7c7b\u9009\u62e9\u5668\u652f\u6301CSS\u5f88\u6709\u9650\uff0c\u76ee\u524d\u4ec5\u652f\u6301\u4e0b\u9762\u8fd9\u4e9bCSS\uff1acolor<\/code>\uff0cbackground-color<\/code>\uff0cborder-color<\/code>\uff0cborder-bottom-color<\/code>\uff0cborder-left-color<\/code>\uff0cborder-right-color<\/code>\uff0cborder-top-color<\/code>\uff0ccolumn-rule-color<\/code>\u4ee5\u53caoutline-color<\/code>\u3002<\/p>\n
\u540c\u65f6\uff0c\u7c7b\u4f3c::before<\/code>\uff0c::after<\/code>\u8fd9\u4e9b\u4f2a\u5143\u7d20\u90fd\u4e0d\u652f\u6301\uff0c\u4f8b\u5982\uff0c\u6211\u4eec\u5e0c\u671b\u4f7f\u7528\u6587\u5b57\u6807\u793a\u5df2\u7ecf\u8bbf\u95ee\u8fc7\u7684\u94fe\u63a5\uff0c\u5982\u4e0b\uff1a<\/p>\n
a:visited::after{content:'visited';}  \/\/ \u6ce8\u610f\uff0c\u4e0d\u652f\u6301<\/span><\/pre>\n
\u4e0d\u597d\u610f\u601d\uff0c\u60f3\u6cd5\u867d\u597d\uff0c\u4f46\u6ca1\u6709\u4efb\u4f55\u6d4f\u89c8\u5668\u652f\u6301\uff0c\u8bf7\u6b7b\u4e86\u8fd9\u6761\u5fc3\u3002<\/p>\n
\u4e0d\u8fc7\u597d\u5728:visited<\/code>\u4f2a\u7c7b\u652f\u6301\u5b50\u9009\u62e9\u5668\uff0c\u4e0d\u8fc7\uff0c\u6240\u80fd\u63a7\u5236\u7684CSS\u5c5e\u6027\u548c:visited<\/code>\u4e00\u6a21\u4e00\u6837\uff0c\u5c31\u90a3\u51e0\u4e2a\u548c\u989c\u8272\u76f8\u5173\u7684CSS\u5c5e\u6027\uff0c\u4e5f\u4e0d\u652f\u6301::before<\/code>\uff0c::after<\/code>\u8fd9\u4e9b\u4f2a\u5143\u7d20\u3002<\/p>\n
\u4f8b\u5982\uff1a<\/p>\n
a:visited span{color: red;}<\/pre>\n
<a href=\"\">\u6587\u5b57<span>visited<\/span><\/a><\/pre>\n
\u5982\u679c\u94fe\u63a5\u662f\u6d4f\u89c8\u5668\u8bbf\u95ee\u8fc7\u7684\uff0c\u5219<span><\/code>\u5143\u7d20\u6587\u5b57\u989c\u8272\u5c31\u4f1a\u76f4\u7ea2\u8272\uff0c\u5982\u4e0b\u622a\u56fe\u793a\u610f\uff1a<\/p>\n
\"\u5b50\u9009\u62e9\u5668\u4e0b\u7684\u6587\u5b57\u53d8\u7ea2\"<\/p>\n
\u4e8e\u662f\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u4e0b\u9762\u8fd9\u79cd\u65b9\u6cd5\u5b9e\u73b0\u8bbf\u95ee\u8fc7\u7684\u94fe\u63a5\u6587\u5b57\u540e\u9762\u8ddf\u4e00\u4e2avisited\u5b57\u6837\u3002HTML\u5982\u4e0b\uff1a<\/p>\n
<a href=\"\">\u6587\u5b57<small><\/small><\/a><\/pre>\n
CSS\u5982\u4e0b\uff1a<\/p>\n
small { position: absolute; color: white; } \/\/ \u8fd9\u91cc\u8bbe\u7f6ecolor: transparent\u65e0\u6548<\/span>\nsmall::after { content: 'visited'; }\na:visited small { color: purple; }<\/pre>\n
\"\u8ddf\u5728\u540e\u9762\u6587\u5b57\u663e\u793a\u5df2\u8bbf\u95ee\u8fc7\u7684\u6548\u679c\"<\/p>\n
\u9664\u4e86\u652f\u6301\u7684CSS\u6709\u9650\uff0c:visited\u4f2a\u7c7b\u9009\u62e9\u5668\u8fd8\u6709\u4e0d\u5c11\u5176\u4ed6\u5947\u602a\u7684\u7279\u6027\u3002<\/p>\n
\u4e09\u3001\u6ca1\u6709\u534a\u900f\u660e<\/h3>\n
\u4f7f\u7528:visited<\/code>\u4f2a\u7c7b\u9009\u62e9\u5668\u63a7\u5236\u989c\u8272\u7684\u65f6\u5019\uff0c\u867d\u7136\u8bed\u6cd5\u4e0a\u652f\u6301\u534a\u900f\u660e\u8272\uff0c\u4f46\u662f\u8868\u73b0\u4e0a\uff0c\u8981\u4e48\u7eaf\u8272\uff0c\u8981\u4e48\u5168\u900f\u660e\u3002<\/p>\n
\u4f8b\u5982\uff1a<\/p>\n
a { color: blue; }\na:visited { color: rgba(255,0,0,.5); }<\/pre>\n
\u7ed3\u679c\u4e0d\u662f\u534a\u900f\u660e\u7ea2\u8272\uff0c\u800c\u662f\u7eaf\u7ea2\u8272\uff0c\u5b8c\u5168\u4e0d\u900f\u660e\u3002<\/p>\n
\"\u5b8c\u5168\u4e0d\u900f\u660e\u989c\u8272\u793a\u610f\"<\/p>\n
\u56db\u3001\u53ea\u80fd\u91cd\u7f6e\uff0c\u4e0d\u80fd\u51ed\u7a7a\u8bbe\u7f6e<\/h3>\n
\u8bf7\u95ee\u4e0b\u9762\u8fd9\u6bb5CSS\uff0c\u8bbf\u95ee\u8fc7\u7684<a><\/code>\u5143\u7d20\u4f1a\u6709\u80cc\u666f\u8272\u5417\uff1f<\/p>\n
a { color: blue; }\na:visited { color: red; background-color: gray; }<\/pre>\n
HTML\u4e3a\uff1a<\/p>\n
<a href=\"\">\u6709\u80cc\u666f\u8272\u5417\uff1f<\/a><<\/pre>\n
\u7b54\u6848\u662f\u4e0d\u4f1a\u6709\u80cc\u666f\u8272\uff0c\u5982\u4e0b\u622a\u56fe\uff1a<\/p>\n
\"\u65e0\u7070\u8272\u80cc\u666f\u8272\"<\/p>\n
\u56e0\u4e3a:visited<\/code>\u4f2a\u7c7b\u9009\u62e9\u5668\u4e2d\u7684\u8272\u503c\u53ea\u80fd\u91cd\u7f6e\uff0c\u4e0d\u80fd\u51ed\u7a7a\u8bbe\u7f6e\u3002<\/p>\n
\u6211\u4eec\u4fee\u6539\u6210\u4e0b\u9762\u8fd9\u6837\u5c31\u53ef\u4ee5\u4e86\uff1a<\/p>\n
a { color: blue; background-color: white; }\na:visited { color: red; background-color: gray; }<\/pre>\n
\u6b64\u65f6\uff0c\u6587\u5b57\u6548\u679c\u5982\u4e0b\u622a\u56fe\uff1a<\/p>\n
\"\u7070\u8272\u80cc\u666f\u663e\u73b0\u622a\u56fe\"<\/p>\n
\u4e5f\u5c31\u662f\u9ed8\u8ba4\u9700\u8981\u6709\u4e00\u4e2a\u80cc\u666f\u8272\uff0c\u8fd9\u6837:visited<\/code>\u7684\u65f6\u5019\u624d\u6709\u6709\u80cc\u666f\u8272\u5448\u73b0<\/p>\n
\u4e94\u3001:visited\u8bbe\u7f6e\u5e76\u5448\u73b0\u7684\u8272\u503c\u65e0\u6cd5\u83b7\u53d6<\/h3>\n
\u4e5f\u5c31\u662f\u8bf4\uff0c\u5f53\u6587\u5b57\u989c\u8272\u503c\u8868\u73b0\u4e3a:visited<\/code>\u9009\u62e9\u5668\u8bbe\u7f6e\u7684\u989c\u8272\u503c\u7684\u65f6\u5019\uff0c\u6211\u4eec\u4f7f\u7528JS\u7684getComputedStyle()<\/a>\u662f\u83b7\u53d6\u4e0d\u5230\u8fd9\u4e2a\u989c\u8272\u503c\u7684\u3002<\/p>\n
\u5df2\u77e5CSS\u5982\u4e0b\uff1a<\/p>\n
a { color: blue; }\na:visited { color: red; }<\/pre>\n
\u5e76\u4e14\u6211\u4eec\u7684\u94fe\u63a5\u8868\u73b0\u4e3a\u7ea2\u8272\uff0c\u6b64\u65f6\u6211\u4eec\u8fd0\u884c\u4e0b\u9762\u7684JavaScript\u4ee3\u7801\uff1a<\/p>\n
window.getComputedStyle(document.links[0]).color;<\/pre>\n
\u7ed3\u679c\u8f93\u51fa\u7684\u662f\uff1a\"rgb(0, 0, 255)\"<\/code>\uff0c\u4e5f\u5c31\u662f\u84dd\u8272blue\u5bf9\u5e94\u7684RGB\u8272\u503c\u3002<\/p>\n
\u5982\u4e0b\u622a\u56fe\u793a\u610f\uff1a<\/p>\n
\"JS\u83b7\u53d6\u7684\u8272\u503c\"<\/p>\n
\u516d\u3001\u56de\u5fc6\u5b8c\u6bd5<\/h3>\n
\u603b\u4e4b\uff0c:visited<\/code>\u4f2a\u7c7b\u9009\u62e9\u5668\u662f\u4e00\u4e2a\u6709\u5f88\u591a\u201c\u602a\u7656\u201d\u7684\u9009\u62e9\u5668\uff0c\u5982\u679c\u6309\u7167:hover<\/code>\u6216\u8005:active<\/code>\u8fd9\u7c7b\u9009\u62e9\u5668\u7684\u8868\u73b0\u7406\u89e3\u4e4b\uff0c\u4e00\u5b9a\u4f1a\u4e0d\u77e5\u6240\u7136\uff0c\u56e0\u4e3a\u592a\u591a\u7279\u6027\u4e0d\u652f\u6301\uff0c\u592a\u591a\u8868\u73b0\u4e0d\u5408\u5e38\u89c4\u7406\u89e3\u3002<\/p>\n
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\u611f\u8c22\u9605\u8bfb\uff01<\/p>\n
<\/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\uff1ahttps:\/\/www.zhangxinxu.com\/wordpress\/?p=8060<\/a><\/p>\n
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