{"id":1330,"date":"2010-12-26T21:09:44","date_gmt":"2010-12-26T13:09:44","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=1330"},"modified":"2018-01-01T21:57:58","modified_gmt":"2018-01-01T13:57:58","slug":"css-%e7%9b%b8%e5%af%b9%e7%bb%9d%e5%af%b9relativeabsolute%e5%ae%9a%e4%bd%8d%e7%b3%bb%e5%88%97%ef%bc%88%e4%ba%8c%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2010\/12\/css-%e7%9b%b8%e5%af%b9%e7%bb%9d%e5%af%b9relativeabsolute%e5%ae%9a%e4%bd%8d%e7%b3%bb%e5%88%97%ef%bc%88%e4%ba%8c%ef%bc%89\/","title":{"rendered":"CSS \u76f8\u5bf9\/\u7edd\u5bf9(relative\/absolute)\u5b9a\u4f4d\u7cfb\u5217\uff08\u4e8c\uff09"},"content":{"rendered":"

by zhangxinxu<\/a> from http:\/\/www.zhangxinxu.com<\/a>
\n\u672c\u6587\u5730\u5740\uff1ahttp:\/\/www.zhangxinxu.com\/wordpress\/?p=1330<\/a><\/p>\n

\/\/zxx:\u76f4\u63a5\u63a5\u4e0a\u56de<\/a><\/span><\/p>\n

\u4e00\u3001\u5e38\u89c1absolute\u5e03\u5c40\u7684\u66ff\u4ee3\u5b9e\u73b0\u65b9\u6848<\/h3>\n

absolute\u5c5e\u6027\u914d\u5408left\/top\/right\/bottom\u5c5e\u6027\u5177\u6709\u6781\u5f3a\u7684\u5b9a\u4f4d\u6027\u3002\u8fd9\u79cd\u529f\u80fd\u7279\u6027\u662f\u5982\u6b64\u7684\u660e\u663e\u4e0e\u5f3a\u70c8\uff0c\u53ef\u80fd\u4f1a\u8ba9\u9875\u9762\u91cd\u6784\u4eba\u5458\u5f88\u5355\u7eaf\u7684\u88ab\u8fd9\u4e00\u7279\u6027\u201c\u6355\u83b7\u201d\uff0c\u800c\u4ea7\u751f\u8ff7\u5931\u3002<\/p>\n

\u4e00\u677f\u4e00\u773c\u7684\u63cf\u8ff0\u53ef\u80fd\u96be\u4ee5\u7406\u89e3\uff0c\u4e3e\u4e2a\u901a\u4fd7\u70b9\u7684\u4f8b\u5b50\u5427\uff1a
\n\u4e00\u4e2a\u8138\u86cb\u4e0d\u9519\u8eab\u6750\u8d85\u597d\u7684\u59d1\u5a18\u7a7f\u4e0a\u8d85PP\u7684\u8863\u670d\u540e\u662f\u5982\u6b64\u7684\u5149\u8273\u52a8\u4eba\uff0c\u5bf9\u4e8e\u6211\u4eec\u8fd9\u7c7b\u5e38\u5e74\u56f0\u5c45\u4e8e\u6df1\u5b85\u5927\u9662\u7684\u5149\u68cd\u7537\u6765\u8bb2\uff0c\u8fd9\u79cd\u7f8e\u8273\u662f\u5982\u6b64\u7684\u8ff7\u4eba\uff0c\u4ee5\u81f3\u4e8e\u6211\u4eec\u7684\u7cbe\u529b\u591a\u96c6\u4e2d\u5728\u8fd9\u6c89\u9c7c\u843d\u96c1\u7684\u7f8e\u8c8c\u4e0a\uff0c\u800c\u5ffd\u7565\u4e86\u5176\u4ed6\u4e00\u4e9b\u4e1c\u897f\uff0c\u4f8b\u5982\u77e5\u6027\uff0c\u5584\u826f\uff0c\u8d24\u60e0\u7b49\u3002\u5f88\u5bb9\u6613\u7684\uff0c\u6211\u4eec\u4ee5\u540e\u4e00\u60f3\u5230\u6b64\u5973\u5b50\uff0c\u7b2c\u4e00\u53cd\u5e94\u5c31\u662f\u201c\u7f8e\u8c8c\u201d\uff0c\u81f3\u4e8e\u5176\u4ed6\uff0c\u5728\u5982\u6b64\u7f8e\u8c8c\u4e0b\u5df2\u7ecf\u4e0d\u91cd\u8981\u4e86\u3002<\/p>\n

\u6b64\u9053\u7406\u53cd\u6620\u5728web\u4e0a\u5c31\u662f\uff0c\u6211\u4eec\u6781\u6613\u5148\u5165\u4e3a\u4e3b\u5730\u8ba4\u4e3aabsolute<\/code>\u7684\u4ef7\u503c\u5c31\u662f\u501f\u52a9left<\/code>\/top<\/code>\u5c5e\u6027\u6765\u8fdb\u884c\u5b9a\u4f4d\u7684\u3002\u8bf4\u53e5\u4e0d\u4e25\u8c28\u7684\u8bdd\uff0c\u76ee\u524d\u4f30\u8ba1\u8d85\u8fc790%\u7684\u666e\u901a\u5e03\u5c40\u4e2d\u7684absolute<\/code>\u5c5e\u6027\u90fd\u662f\u7528\u5728\u5b9a\u4f4d\u4e0a\u4e86\u3002\u6069\uff0c\u8fd9\u4e2a\u56de\u5934\u518d\u8bf4\uff0c\u8fd9\u91cc\u8fd8\u662f\u770b\u770b\u4e00\u4e9b\u5e38\u89c1\u7684absolute<\/code>\u5e03\u5c40\u5982\u4f55\u901a\u8fc7\u4f7f\u7528\u5176\u4ed6\u5c5e\u6027\u5b8c\u6210\u540c\u6837\u7684\u5e03\u5c40\u6548\u679c\u3002\u65e2\u7136absolute<\/code>\u5c5e\u6027\u662f\u62ff\u6765\u5b9a\u4f4d\uff0c\u6211\u4eec\u53ea\u8981\u4f7f\u7528\u5176\u4ed6\u5c5e\u6027\u5b9a\u4f4d\u5c31\u53ef\u4ee5\u4e86\u3002\u6b64\u65f6\uff0c\u81ea\u7136\u800c\u7136\u60f3\u5230\u4e86CSS\u4e2d\u53e6\u5916\u4e00\u4e2a\u66f4\u52a0\u4f4e\u8c03\u5168\u80fd\u7684\u5b9a\u4f4d\u5c5e\u6027margin<\/code>\uff0c\u4e0b\u9762\u7684\u524d\u4e24\u4e2a\u4f8b\u5b50\u90fd\u662f\u4f7f\u7528margin<\/code>\u4ee3\u66ffabsolute<\/code>\u53ca\u76f8\u5173\u5c5e\u6027\u3002<\/p>\n

\u4eac\u4e1c\u5546\u57ce\u9996\u9875\u6807\u4ef7\u5b9a\u4f4d<\/strong>
\n\u9996\u5148\u62ff\u4eac\u4e1c\u5546\u57ce\u9996\u9875\u7684\u4e00\u4e2a\u6807\u4ef7\u6837\u5f0f\u4e3e\u4f8b\uff0c\u89c1\u4e0b\u622a\u56fe\uff1a
\n\"\u4eac\u4e1c\u5546\u57ce\u9996\u9875\u8981\u793a\u4f8b\u90e8\u5206\u622a\u56fe\"<\/p>\n

\u7528\u5c0fbug\u4e00\u770b\u5176code\u5b9e\u73b0\uff0c\u679c\u7136\u662f\u7edd\u5bf9\u5b9a\u4f4d+\u5b9a\u4f4d\u5c5e\u6027\uff1a\/\/zxx:\u5c0fbug\u65f6\u6211\u5bf9firebug\u7684\u6635\u79f0<\/span>
\n\"firebug\u67e5\u770b\u6807\u4ef7\u7684\u5b9e\u73b0\u65b9\u5f0f\"<\/p>\n

\u8981\u662f\u6211\u6765\u5b9e\u73b0\uff0c\u5c31\u4e0d\u4f1a\u4f7f\u7528absolute<\/code>\u5c5e\u6027\uff0c\u4f1a\u4f7f\u7528margin<\/code>\u5b9e\u73b0\u6269\u5c55\u6027\u5bb9\u9519\u6027\u66f4\u5f3a\u7684\u5e03\u5c40\u3002<\/p>\n

\u4e0d\u7ba1\u600e\u6837\uff0c\u5148\u770b\u5bf9\u6bd4\u5b9e\u73b0\u6548\u679c\uff0c\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1aabsolute\/margin\u5b9a\u4f4d\u5e03\u5c40\u5bf9\u6bd4demo<\/a><\/p>\n

\u4e0b\u56fe\u4e3a\u5728IE7\u6d4f\u89c8\u5668\u4e0b\u7684\u4e0a\u4e0b\u5b9e\u73b0\u65b9\u5f0f\u5bf9\u6bd4\u622a\u56fe\uff08\u9ed8\u8ba4\uff09\uff1a
\n\"absolute\/margin<\/p>\n

\u53ef\u89c1\u4f7f\u7528margin<\/code>\uff0c\u53ef\u4ee5\u5b9e\u73b0\u4e0eabsolute<\/code>\u5e03\u5c40\u4e00\u6837\u7684\u6548\u679c\uff0c\u4e14CSS\u5c5e\u6027\u4f7f\u7528\u91cf\u6298\u534a\uff0c\u66f4\u4e3a\u5173\u952e\u7684\u662f\uff0c\u5e03\u5c40\u7684\u6269\u5c55\u6027\u4e0e\u5bb9\u9519\u6027\u5927\u5927\u589e\u5f3a\u4e86\u3002<\/p>\n

\u5728demo\u9875\u9762\u4e0a\u7684\u5e95\u90e8\u6709\u4e24\u4e2a\u6d4b\u8bd5\u5e03\u5c40\u6269\u5c55\u6027\u4e0e\u5bb9\u9519\u6027\u7684\u6309\u94ae\uff0c\u5982\u4e0b\u56fe\uff0c\u7b2c\u4e00\u4e2a\u6309\u94ae\u662f\u6539\u53d8\u6807\u7b7e\u7684\u5bbd\u5ea6\uff0c\u7b2c\u4e8c\u4e2a\u6309\u94ae\u662f\u6539\u53d8\u7236\u6807\u7b7e\u7684position<\/code>\u5c5e\u6027\u503c\u4e3astatic<\/code>\uff1a
\n\"demo\u9875\u9762\u4e0a\u7684\u6d4b\u8bd5\u6309\u94ae\"<\/p>\n

\u6211\u4eec\u70b9\u51fb\u7b2c\u4e00\u4e2a\u6309\u94ae\u6539\u53d8dl<\/code>\u7236\u6807\u7b7e\u7684\u5bbd\u5ea6\u540e\uff0c\u7ed3\u679cabsolute<\/code>\u5b9a\u4f4d\u7684\u6807\u4ef7\u5df2\u7ecf\u548c\u56fe\u7247\u8fdc\u79bb\u4e86\uff0c\u800c\u4f7f\u7528margin<\/code>\u5b9a\u4f4d\u7684\u6a59\u7ea2\u8272\u80cc\u666f\u6807\u4ef7\u4f9d\u65e7\u575a\u633a\u5730\u5446\u5728\u539f\u6765\u7684\u4f4d\u7f6e\u4e0a\uff0c\u5982\u4e0b\u56fe\u6240\u793a\uff1a
\n\"\u6539\u53d8\u7236\u6807\u7b7e\u5bbd\u5ea6\u540e\u7684\u5e03\u5c40\"<\/p>\n

\u70b9\u51fb\u7b2c\u4e8c\u4e2a\u6309\u94ae\u6539\u53d8\u7236\u6807\u7b7e\u7684position<\/code>\u5c5e\u6027\u4e3astatic<\/code>\u540e\uff0c\u7ed3\u679c\u4f7f\u7528absolute<\/code>\u7edd\u5bf9\u5b9a\u4f4d\u7684\u6807\u4ef7\u6ca1\u6709\u4e86\u675f\u7f1a\uff0c\u76f4\u63a5\u8dd1\u5230\u6d4f\u89c8\u5668\u7a97\u53e3\u7684\u53f3\u4e0b\u89d2\u53bb\u4e86\uff0c\u800cmargin<\/code>\u5b9a\u4f4d\u6ca1\u6709\u4e1d\u6beb\u5f71\u54cd\uff08\u5982\u4e0b\u56fe\u6240\u793a\uff0c\u622a\u81eaFirefox3.6\uff09\uff1a
\n\"static\u540e\u6807\u4ef7\u8dd1\u5230\u4e86\u5929\u6daf\u6d77\u89d2\"<\/p>\n

\u4ece\u4e0a\u9762\u4e24\u4e2a\u7b80\u5355\u7684\u6d4b\u8bd5\u53ef\u4ee5\u770b\u51fa\u4e24\u79cd\u5b9e\u73b0\u65b9\u5f0f\u89c1\u6269\u5c55\u6027\u548c\u5bb9\u9519\u6027\u65b9\u9762\u7684\u5dee\u5f02\u3002<\/p>\n

\u4e0b\u9762\u7b80\u5355\u8bb2\u4e0b\u76f8\u5173\u5e03\u5c40\u7684\u5b9e\u73b0\uff0c\u4ee5\u4e0b\u662f\u539f\u6765absolute<\/code>\u5b9e\u73b0\u7684HTML\u90e8\u5206\u4ee3\u7801\uff1a<\/p>\n

\n
\n<dl>\n    <dt class=\"p-img\">\n        <a href=\"##\"><img width=\"130\" height=\"130\" src=\"http:\/\/img10.360buyimg.com\/n3\/834\/11752677-6197-4ffa-b4c0-e66d02640bad.jpg\" \/><\/a>\n        <div class=\"p-price\">\uffe5999.00<\/div>\n    <\/dt>\n    <dd class=\"p-name\">\n        <a href=\"##\">LG  GD580  3G\u624b\u673a 300\u4e07\u50cf\u7d20 999\u8fd4100\u5143\u5238\uff01<\/a>\n    <\/dd>\n<\/dl>\n<\/pre>\n<\/div>\n
\u7c7b\u540d\u4e3a”p-price”\u6807\u7b7e\u6838\u5fc3\u6837\u5f0f\u5982\u4e0b\uff1a<\/p>\n
\n
\n.p-price {\n   position: absolute;\n   bottom: 10px;\n   right: 50px;  \n   ......\n<\/pre>\n<\/div>\n
\u4eac\u4e1c\u5546\u57ce\u7684\u5b9e\u73b0\uff0c\u4e2d\u89c4\u4e2d\u77e9\uff0c\u60f3\u8fd9\u79cd\u5e26\u6709\u8986\u76d6\u6548\u679c\u7684\u5b9a\u4f4d\uff0c\u4f7f\u7528absolute<\/code>\u5b9a\u4f4d\u4f30\u8ba1\u662f\u5927\u90e8\u5206\u9875\u9762\u91cd\u6784\u4eba\u5458\u7684\u9996\u9009\u3002\u4f46\u662f\uff0c\u7edd\u5bf9\u5b9a\u4f4d\u4e4b\u201c\u7edd\u5bf9\u201d\u4e00\u8bcd\u672c\u8eab\u5c31\u610f\u5473\u7740\u5176\u5728\u6269\u5c55\u6027\u65b9\u9762\u7684\u8868\u73b0\u53d7\u9650\u3002\u5982\u679c\u6211\u4eec\u8981\u6c42\u66f4\u9ad8\uff0c\u53ef\u4ee5\u4f7f\u7528CSS\u4ee3\u7801\u91cf\u66f4\u5c11\uff0c\u6269\u5c55\u6027\u66f4\u5f3a\u7684margin<\/code>\u5e03\u5c40\u3002<\/p>\n
\u5176\u5b9e\u73b0\u4ee3\u7801\u5982\u4e0b\uff1a
\n\u9996\u5148HTML\u90e8\u5206\u9700\u8981\u6dfb\u52a0\u4e00\u5c42block<\/code>\u6c34\u5e73\u7684\u6807\u7b7e\uff08\u5176\u5b9e\u53ef\u4ee5\u4e0d\u7528\u52a0\uff0c\u53ea\u8981\u8ba9img<\/code>\u5916\u9762\u7684a<\/code>\u6807\u7b7eblock<\/code>\u6c34\u5e73\u663e\u793a\u5373\u53ef\uff09\uff0c\u8ba9\u6807\u4ef7\u4e0e\u56fe\u7247\u4e0d\u4f1a\u5728\u4e00\u4e2aline box\u4e2d\u663e\u793a\uff0c\u540c\u65f6\u5c06\u6807\u4ef7\u5916\u9762\u7684div<\/code>\u6807\u7b7e\u6539\u4e3ainline\u6c34\u5e73\u5143\u7d20\u7684\u6807\u7b7e\u65b9\u4fbfinline-block<\/code>\u5316\uff0c\u4e8e\u662f\uff0c\u6700\u540e\u7684HTML\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
\n
<dl>\n    <dt class=\"p-img\">\n        <a href=\"##\"><img width=\"130\" height=\"130\" src=\"http:\/\/img10.360buyimg.com\/n3\/834\/11752677-6197-4ffa-b4c0-e66d02640bad.jpg\" \/><\/a>\n        <div class=\"new-price-x\"><span class=\"new-price\">\uffe5999.00<\/span><\/div>\n    <\/dt>\n    <dd class=\"p-name\">\n        <a href=\"##\">LG  GD580  3G\u624b\u673a 300\u4e07\u50cf\u7d20 999\u8fd4100\u5143\u5238\uff01<\/a>\n    <\/dd>\n<\/dl><\/pre>\n<\/div>\n
\u76f8\u5173\u7684\u6838\u5fc3\u7684CSS\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
\n
\n.new-price-x {\n    margin: -28px 0 0 74px;\n}\n.new-price {\n    display: inline-block;\n    ......\n}\n<\/pre>\n<\/div>\n
\u6dd8\u5b9d\u9996\u9875\u793a\u4f8b<\/strong>
\n\u4e0b\u9762\u518d\u770b\u53e6\u5916\u4e00\u4e2a\u4f8b\u5b50\uff0c\u5c31\u662f\u6dd8\u5b9d\u9996\u9875\u7684\u6eda\u52a8\u64ad\u653e\u6548\u679c\uff0c\u4f7f\u7528\u662fabsolute<\/code>\u5b9a\u4f4d\uff0c\u901a\u8fc7\u6539\u53d8top<\/code>\u5c5e\u6027\u503c\u5b9e\u73b0\u4e0a\u4e0b\u7684\u6eda\u52a8\u5207\u6362\uff0c\u5982\u4e0b\u56fe\uff1a
\n\"\u6dd8\u5b9d\u9996\u9875absolute\u5b9e\u73b0\u7684\u5e7b\u706f\u7247\u6eda\u52a8\"<\/p>\n
\u5b9e\u9645\u4e0a\uff0c\u5b8c\u5168\u53ef\u4ee5\u4f7f\u7528margin-top<\/code>\u5c5e\u6027\u4ee3\u66ff\u8fd9\u91cc\u7684relative<\/code>+absolute<\/code>+top<\/code>\u5c5e\u6027\u7ec4\u5408\u3002<\/p>\n
\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a\u6dd8\u5b9d\u9996\u9875margin\u4e0b\u7684\u6eda\u52a8\u64ad\u653edemo<\/a><\/p>\n
\u4f7f\u7528\u5c0fbug\u4e00\u770bdemo\u9875\u9762\u7684\u5b9a\u4f4d\u5c5e\u6027\uff0c\u554a\uff0c\u662fmargin-top<\/code>\uff0c\u5982\u4e0b\u622a\u56fe\u6240\u793a\uff1a
\n\"margin\u5c5e\u6027\u4e0b\u7684\u6eda\u52a8\u64ad\u653e\"<\/p>\n
\u5c31\u6548\u679c\u6765\u8bf4\uff0cmargin-top<\/code>\u4e0e\u7edd\u5bf9\u5b9a\u4f4d\u7684\u5207\u6362\u662f\u4e00\u6837\u7684\uff0c\u4f18\u70b9\u5728\u4e8e\u7701\u4e86\u4e00\u70b9\u70b9\u7684CSS\u4ee3\u7801\u91cf\u3002\u4f46\u662f\uff0c\u76f8\u5bf9absolute<\/code>\u7684\u52a8\u753b\u5207\u6362\uff0cmargin-top<\/code>\u503c\u7684\u6539\u53d8\u4f1a\u4ea7\u751f\u66f4\u5f3a\u7684\u56de\u6d41(reflow<\/code>)\uff0c\u5c31\u6027\u80fd\u4e0a\u800c\u8a00\uff0c\u8981\u6bd4absolute<\/code>\u5c5e\u6027\u4f4e\u3002<\/p>\n
\u7a76\u7adf\u4f7f\u7528\u54ea\u4e2a\uff0c\u770b\u60a8\u81ea\u5df1\u5982\u4f55\u53d6\u820d\u4e86\u3002<\/p>\n
\u65b0\u6d6a\u5fae\u535a\u793a\u4f8b<\/strong>
\n\u6700\u540e\uff0c\u62ff\u65b0\u6d6a\u5fae\u535a\u9875\u9762\u7684\u4e3b\u5bfc\u822a\u793a\u4f8b\u3002<\/p>\n
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\n\"\u65b0\u6d6a\u5fae\u535a\u4e3b\u5bfc\u822a\u7684\u534a\u900f\u660e\u80cc\u666f\u8272\"
\n\"IE\u4e0bfilter\u6ee4\u955c\"<\/p>\n
\u800cIE\u6d4f\u89c8\u5668\u4e0b\u836f\u5b9e\u73b0opacity<\/code>\u6548\u679c\u9700\u8981\u4f7f\u7528filter<\/code>\u6ee4\u955c\uff0c\u7136\u800copacity<\/code>\u5c5e\u6027\u7684\u534a\u900f\u660e\u6548\u679c\u4e0d\u4ec5\u4f1a\u5f71\u54cd\u5230\u5f53\u524d\u5143\u7d20\uff0c\u6240\u6709\u7684\u5b50\u5143\u7d20\u4e5f\u4f1a\u8ddf\u7740\u534a\u900f\u660e\uff0c\u6b64\u65f6\uff0c\u5982\u679c\u5bfc\u822a\u5185\u5143\u7d20\u653e\u5728\u534a\u900f\u660e\u5316\u7684div<\/code>\u5185\u90e8\u663e\u7136\u5bb9\u6613\u6b7b\u7fd8\u7fd8\u3002\u6240\u4ee5\uff0c\u534a\u900f\u660e\u80cc\u666f\u5c42\uff0c\u4e0e\u5bfc\u822a\u5185\u5bb9\u5c42\u4e0d\u662f\u7236\u5b50\u5173\u7cfb\uff0c\u800c\u662f\u5144\u5f1f\u5173\u7cfb\uff0c\u5bfc\u822a\u5185\u5bb9\u8986\u76d6\u4e8e\u534a\u900f\u660e\u80cc\u666f\u4e0a\uff0c\u5c31\u907f\u514d\u4e86\u5bfc\u822a\u5185\u5bb9\u88ab\u534a\u900f\u660e\u5316\u7684\u5371\u9669\u3002<\/p>\n
\u800c\u8986\u76d6\u5b9a\u4f4d\u4e00\u822c\u90fd\u79bb\u4e0d\u5f00absolute<\/code>\u5c5e\u6027\uff0c\u6240\u4ee5\uff0c\u65b0\u6d6a\u5fae\u535a\u7684\u4e3b\u5bfc\u822a\u4f7f\u7528\u4e86\u7edd\u5bf9\u5b9a\u4f4d\u3002\u7136\u800c\uff0c\u8fd9\u91cc\u7684\u7edd\u5bf9\u5b9a\u4f4d\u4f7f\u7528\u6211\u5fc5\u987b\u79f0\u8d5e\u4e00\u4e0b\uff0c\u56e0\u4e3a\u5f88\u96be\u5f97\u7684\uff0c\u8fd9\u91cc\u7684absolute<\/code>\u4f7f\u7528\u4e3b\u8981\u662f\u5229\u7528\u4e86absolute<\/code>\u5c5e\u6027\u7684\u7834\u574f\u6027\uff08\u9ad8\u5bbd\u5360\u636e\u7a7a\u95f4\u4e3a0<\/code>\u7684\u7279\u6027\uff09\uff0c\u800c\u4e0d\u662f\u5229\u7528\u5176\u5b9a\u4f4d\u6027\uff08\u501f\u52a9left<\/code>\/top<\/code>\u7b49\u5c5e\u6027\u7684\u5b9a\u4f4d\uff09\u3002<\/p>\n
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\u4f7f\u7528opacity<\/code>\u5c5e\u6027\u6216\u662fIE filter<\/code>\u534a\u900f\u660e\u6ee4\u955c\u4f1a\u8ba9\u5b50\u5143\u7d20\u8ddf\u7740\u534a\u900f\u660e\u3002\u5b9e\u9645\u4e0a\u5bf9\u4e8e\u534a\u900f\u660e\u7684\u7eaf\u8272\u80cc\u666f\uff0c\u6709\u66f4\u4f73\u7684\u5b9e\u73b0\u65b9\u6cd5\u3002\u4e0b\u9762\u662fdemo\u9875\u9762\u7684\u66ff\u6362\u5b9e\u73b0\u65b9\u6cd5\u7684CSS\u4ee3\u7801\uff1a<\/p>\n
\n
\n.newheader .menu_c {\n    background-color: rgba(0, 0, 0, .25);\n    filter: progid:DXImageTransform.Microsoft.Gradient(startColorStr=#40000000,endColorStr=#40000000);\n}\n<\/pre>\n<\/div>\n
\u73b0\u4ee3\u6d4f\u89c8\u5668\u4f7f\u7528CSS3 rgba<\/code>\u5b9e\u73b0\u534a\u900f\u660e\u80cc\u666f\u8272\uff0cIE\u6d4f\u89c8\u5668\u4f7f\u7528\u6e10\u53d8\u6ee4\u955c\u5b9e\u73b0\u534a\u900f\u660e\u3002<\/p>\n
HTML\u65b9\u9762\uff0c\u539f\u6765\u7684\u7edd\u5bf9\u5b9a\u4f4d\u7684\u534a\u900f\u660ediv\u5c42\u76f4\u63a5\u5220\u6389\uff0c\u6b64\u65f6\u76f8\u5173\u7684relative<\/code>\u5c5e\u6027\u7b49\u4e5f\u53ef\u4ee5\u4e00\u5e76\u53bb\u6389\u3002HTML\u7ed3\u6784\u53d8\u5f97\u7b80\u5355\u6709\u5c42\u6b21\uff0c\u7ef4\u62a4\u4e5f\u66f4\u52a0\u65b9\u4fbf\u4e86\u3002<\/p>\n
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\n\"\u517c\u5bb9\u6027\u534a\u900f\u660e\u80cc\u666f\u8272\u5b9e\u73b0\u5bf9\u6bd4\u6548\u679c\u622a\u56fe\"<\/p>\n
\u4e8c\u3001absolute\u53ef\u4ee5\u4e00\u4e2a\u4eba\u6218\u6597<\/h3>\n
\u5982\u679c\u5728CSS\u7684\u4e16\u754c\u4e2d\u6ca1\u6709left<\/code>\/top<\/code>\/right<\/code>\/bottom<\/code>\u5c5e\u6027\uff0cabsolute<\/code>\u7684\u6f5c\u529b\u4f30\u8ba1\u4f1a\u6316\u5f97\u6df1\u5f97\u591a\u3002<\/p>\n
\u6211\u4eec\u9700\u8981\u610f\u8bc6\u5230\uff0c\u4e00\u4e2a\u5e94\u7528\u7684position:absolut<\/code>e\u7684\u5143\u7d20\uff0c\u5176\u5b9e\u5c31\u53ea\u662f\u4e2a\u975e\u5e38\u666e\u901a\u7684\u5143\u7d20\uff0c\u6211\u611f\u89c9\u4e0e\u5e94\u7528\u4e86float:left<\/code>\u7684\u5dee\u5f02\u4ec5\u4ec5\u5728\u4e8e\u5bbd\u5ea6\u7684\u7f3a\u5931\u3002\u4e3a\u8bf4\u660e\u6b64\u89c2\u70b9\uff0c\u6211\u505a\u4e86\u4e2a\u5f88\u7b80\u5355\u7684demo.<\/p>\n
\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1aabsolute\u5143\u7d20\u53ea\u662f\u4e2a\u666e\u901a\u7684\u8d27demo<\/a><\/p>\n
\u6b64demo\u9ed8\u8ba4\u5982\u4e0b\u56fe\uff0c\u53ef\u4ee5\u770b\u5230\u6d6e\u52a8\u7684\u9ad8\u5ea6\u7f3a\u5931\u9020\u6210\u7684\u584c\u9677\uff1a
\n\"demo\u9ed8\u8ba4\u6548\u679c\"<\/p>\n
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\n\"absolute\u5143\u7d20\u5bbd\u5ea6\u4ea6\u7f3a\u5931\"<\/p>\n
\u7531\u6b64\u53ef\u89c1\uff0cabsolute<\/code>\u5c5e\u6027\u53ea\u662f\u4e2a\u5f88\u666e\u901a\u7684\u5c5e\u6027\uff0c\u8ddffloat:left<\/code>\u662f\u4e2a\u8fd1\u4eb2\u3002\u4e00\u4e2a\u662f\u9668\u843d\u51e1\u95f4\u7684\u6076\u9b54\uff0c\u4e00\u4e2a\u662f\u5929\u7a7a\u4e2d\u7684\u6076\u9b54\u3002\u6240\u4ee5\uff0c\u5f88\u591a\u65f6\u5019\uff0c\u6211\u4eec\u5728\u666e\u901a\u5e03\u5c40\u4e2d\u4f7f\u7528absolute<\/code>\u65f6\u5019\uff0c\u53ea\u8981\u8bbe\u7f6eposition:absolute<\/code>\u5c31\u53ef\u4ee5\u4e86\uff0c\u81f3\u4e8eleft<\/code>\/top<\/code>\u4e4b\u7c7b\u7684\u90fd\u662f\u6d6e\u4e91\uff0c\u5b9a\u4f4d\u4ec0\u4e48\u7684\u5c31\u5f53\u4f5c\u666e\u901a\u5143\u7d20\uff0c\u4f7f\u7528margin<\/code>\u5b9a\u4f4d\u4e00\u6837\u6709\u7740\u522e\u76ee\u7684\u8868\u73b0\u7684\u3002<\/p>\n
\u4e09\u3001absolute\u4e0eleft\/top\u7b49\u5c5e\u6027\u4e4b\u95f4\u7684\u5173\u7cfb<\/h3>\n
\u5355\u7eaf\u5e94\u7528\u4e86absolute<\/code>\u5c5e\u6027\u7684\u5143\u7d20\u5c31\u662f\u4e2a\u666e\u901a\u5143\u7d20\uff0c\u8ddf\u53d8\u8eab\u524d\u7684\u7f8e\u5c11\u5973\u6218\u58eb\u4e00\u6837\u3002left<\/code>\/top<\/code>\u7b49\u5c5e\u6027\u662f\u5177\u6709\u53d8\u8eab\u6027\u8d28\u7684\u4e1c\u897f\uff0c\u662f\u6076\u9b54absolute<\/code>\u5143\u7d20\u7684\u7fc5\u8180\u3002absolute<\/code>\u5143\u7d20\u4e00\u65e6\u5e94\u7528\u4e86left<\/code>\/top<\/code>\u7b49\u5c5e\u6027\uff0c\u5c31\u5177\u6709\u4e86\u98de\u7fd4\u7684\u80fd\u529b\uff0c\u5954\u5411\u5929\u7a7a\u81ea\u7531\u9a70\u9a8b\uff0c\u5982\u679c\u6ca1\u6709relative<\/code>\u5c5e\u6027\u7684\u9650\u5236\uff0c\u5176\u4f1a\u4e00\u76f4\u98de\u5230\u5929\u7a7a\u7684\u8fb9\u7f18\uff08\u6d4f\u89c8\u5668\u7a97\u53e3\uff09\uff0c\u5e76\u4e14\u5177\u6709\u975e\u5e38\u660e\u786e\u7684\u65b9\u5411\u6027\u3002<\/p>\n
\"absolute\u5143\u7d20\u6dfb\u52a0left\/top\u7b49\u5c5e\u6027\u540e\"<\/p>\n
\u56db\u3001body\u6807\u7b7e\u662fabsolute\u5143\u7d20\u81ea\u7531\u7684\u5929\u7a7a<\/h3>\n
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\n\u7231\u60c5\u4ef7\u66f4\u9ad8\u3002
\n\u82e5\u4e3a\u81ea\u7531\u6545\uff0c
\n\u4e24\u8005\u7686\u53ef\u629b\u3002<\/p>\n
\u77e5\u9053\u300a\u7f8e\u5c11\u5973\u6218\u58eb\u300b\u5427\uff0c\u77e5\u9053\u4e3b\u4eba\u516c\u6c34\u51b0\u6708\uff08\u6708\u91ce\u5154\uff09\u5427\uff0c\u56e0\u4e3a\u4eba\u5bb6\u725b\u53c9\uff0c\u6240\u4ee5\u4e3a\u4e86\u4fdd\u62a4\u5730\u7403\uff0c\u4fdd\u62a4\u672a\u6765\u800c\u6218\u6597\u3002\u77e5\u9053\u300a\u706b\u5f71\u5fcd\u8005\u300b\u5427\uff0c\u4f60\u8bf4\u8981\u662f\u628a\u9e23\u4eba\u5c31\u9650\u5236\u5728\u706b\u5f71\u6751\uff0c\u5e2e\u52a9\u8001\u592a\u592a\u6293\u6293\u732b\uff0c\u5e2e\u52a9\u6b27\u5df4\u6851\u7167\u770b\u5b69\u5b50\uff0c\u80fd\u6709\u5927\u6210\u5417\uff1f\u4eba\u5bb6\u662f\u6ce8\u5b9a\u8981\u80a9\u8d1f\u8d77\u5fcd\u8005\u4e16\u754c\u548c\u5e73\u7684\u804c\u8d23\u7684\u3002<\/p>\n
\u540c\u6837\u7684\uff0c\u8981\u662f\u628a\u7edd\u5bf9\u5b9a\u4f4d\u5c5e\u6027\u7528\u5728\u5f88\u6df1\u7684DOM tree\u4e2d\uff0c\u518d\u7528relative<\/code>\u9650\u5236\u4f4f\u3002\u5176\u5b9e\u5c31\u662f\u628a\u9e23\u4eba\u5f53\u4f5c\u770b\u5b69\u5b50\u7684\u4eba\u4f7f\u7528\uff0c\u867d\u7136\u7528\u7684\u65f6\u5019\u89c9\u5f97\u5f88\u597d\u7528\uff0c\u4f46\u662f\u5b9e\u9645\u4e0a\u662f\u57cb\u6ca1\u4e86\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\u7684\u624d\u80fd\u3002\u6ca1\u6709\u9650\u5236\uff0c\u7ed9\u4e88\u8db3\u591f\u7684\u81ea\u7531\uff0c\u5e7f\u9614\u7684\u5929\u7a7a\u624d\u662f\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\u5927\u653e\u5f02\u5f69\uff0c\u62ef\u6551\u4eba\u7c7b\u7684\u821e\u53f0\u3002<\/p>\n
\u4e00\u822c\u800c\u8a00\uff0c\u5728web\u9875\u9762\u4e0a\uff0c\u6700\u5bbd\u5e7f\u7684\u5929\u7a7a\u83ab\u8fc7\u4e8ebody<\/code>\u6807\u7b7e\uff0c\u6240\u4ee5\uff0c\u5728\u6211\u770b\u6765\uff0c\u628a\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\u76f4\u63a5\u653e\u5728body\u6807\u7b7e\u4e0b\u624d\u662f\u738b\u9053\uff0c\u624d\u80fd\u6700\u5927\u9650\u5ea6\u7684\u53d1\u6325\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\u7684\u624d\u80fd\u3002\u4e3e\u4e2a\u4f8b\u5b50\uff0c\u6dd8\u5b9d\u9996\u9875\u9876\u90e8\u5c0f\u6a2a\u6761\u4e0a\u7684\u4e0b\u62c9\u3002
\n\"\u6dd8\u5b9d\u7f51\u9996\u9875\u4e0b\u62c9\"<\/p>\n
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\n\"\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\u5728\u6df1\u6df1\u7684DOM\u4e2d\"<\/p>\n
\u8fd9\u79cd\u65b9\u6cd5\u7684\u597d\u5904\u5728\u4e8e\u7b80\u5355\uff0c\u5bf9\u4e8e\u975eIE6\u6d4f\u89c8\u5668\u76f4\u63a5\u4f7f\u7528CSS\u5c31\u53ef\u4ee5\u5b9e\u73b0\u6548\u679c\u4e86\u3002\u7136\u800c\uff0c\u5c06\u9ed8\u8ba4\u9690\u85cf\u7684\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\u88abrelative<\/code>\u9650\u5236\u5728\u5f88\u6df1\u7684DOM\u8282\u70b9\u4e2d\uff0c\u5f0a\u5904\u76f8\u5f53\u591a\uff1a\u9996\u5148\u589e\u52a0\u4e86DOM\u7684\u590d\u6742\u5ea6\uff0c\u4e0d\u5229\u4e8e\u7ef4\u62a4\uff1b\u8d8a\u6df1\u7684DOM\u5143\u7d20\uff0c\u9020\u6210\u4e86\u56de\u6d41\u8d8a\u5f3a\uff1b\u56e0\u4e3a\u7236\u6807\u7b7e\u9700\u8981relative<\/code>\u9650\u5236\uff0c\u589e\u52a0\u4e86CSS\u4ee3\u7801\u7684\u6d88\u8017\u91cf\uff1b\u9690\u85cf\u5143\u7d20\u5934\u90e8\u52a0\u8f7d\uff0c\u5ef6\u8fdf\u4e86\u9875\u9762\u7684\u5448\u73b0\u901f\u5ea6\uff1b\u6bcf\u4e2a\u4e0b\u62c9\u51e0\u4e4e\u90fd\u8981\u91cd\u65b0\u5b9a\u4f4d\uff0c\u5176\u91cd\u7528\u6027\u53d7\u9650\u3002<\/p>\n
\u5982\u679c\u662f\u6211\uff0c\u4e00\u5b9a\u4f1a\u628a\u8fd9\u4e9b\u9690\u85cf\u7684\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\u653e\u5728\u5728body<\/code>\u6807\u7b7e\u5185\u90e8\uff0c\u4e14\u6700\u5e95\u90e8\u52a0\u8f7d\uff0c\u4ee5\u63d0\u9ad8\u9875\u9762\u7684\u5448\u73b0\u901f\u5ea6\uff0c\u751a\u81f3\u6839\u672c\u5c31\u4e0d\u52a0\u8f7d\u3002\u6b64\u505a\u6cd5\u5c31\u662fmtime\u65f6\u5149\u7f51\u4e0b\u62c9\u5bfc\u822a\u7684\u505a\u6cd5\uff0c\u662f\u63a8\u8350\u7684\u505a\u6cd5\u3002\u7edd\u5bf9\u5143\u7d20\u7684\u5b9a\u4f4d\u4e0d\u662f\u901a\u8fc7\u5f53\u524d\u89e6\u53d1\u5143\u7d20\u7684relative<\/code>\u9650\u5236\uff0c\u800c\u662f\u5728body<\/code>\u5927\u73af\u5883\u4e2d\uff0c\u76f4\u63a5\u901a\u8fc7\u89e6\u53d1\u5143\u7d20\u7684\u504f\u79fb\u503c\u8bbe\u5b9a\u4f4d\u7f6e\uff0c\u662f\u6700\u76f4\u63a5\u6700\u9ad8\u6548\u7684\u505a\u6cd5\u3002<\/p>\n
\u5728body<\/code>\u6807\u7b7e\u4e0b\u81ea\u7531\u9a70\u9a8b\uff0c\u8fd9\u624d\u662f\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\u771f\u6b63\u5e94\u8be5\u5446\u7684\u5730\u65b9\u3002\u771f\u6b63\u6709\u624d\u534e\u7684\u5143\u7d20\u5e94\u8be5\u653e\u5728\u66f4\u5927\u7684\u821e\u53f0\u4e0a\uff0c\u9650\u5236\u5728\u8e69\u811a\u7684\u89d2\u843d\u91cc\u6ce8\u5b9a\u8981\u57cb\u6ca1\u7684\u3002\u6211\u4e4b\u524d\u5199\u8fc7\u4e00\u4e2a\u540d\u4e3a”powerFloat<\/a>“\u7684\u4e07\u80fd\u6d6e\u52a8\u63d2\u4ef6\uff0c\u5c31\u662f\u5e0c\u671b\u901a\u8fc7\u964d\u4f4e\u4f7f\u7528\u7684\u5b66\u4e60\u6210\u672c\uff0c\u8ba9\u5927\u5bb6\u90fd\u628a\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\u89e3\u653e\u5230body\u6807\u7b7e\u4e0b\u3002<\/p>\n
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absolute<\/code>\u5143\u7d20\u72b9\u5982\u6709\u7fc5\u8180\u7684\u5c0f\u9e1f\uff0c\u4f60\u662f\u628a\u5b83\u9650\u5236\u5728\u9e1f\u7b3c\u4e2d\uff0c\u8fd8\u662f\u628a\u5b83\u653e\u98de\u5230\u5929\u7a7a\u4e2d\u81ea\u7531\u7684\u98de\u7fd4\uff1f\u6211\u60f3\uff0c\u4e00\u5207\u4e0d\u8a00\u800c\u55bb\u3002<\/p>\n
\u4e0b\u96c6\u770b\u70b9\uff1a<\/strong>
\n\u4e0b\u7bc7\u8fd8\u662f\u5173\u4e8eabsolute<\/code>\u5c5e\u6027\u7684\uff08relative<\/code>\u5c5e\u6027\u4ee5\u53caz-index<\/code>\u8fd8\u5728\u5176\u540e\uff09\uff0c\u5185\u5bb9\u5927\u81f4\u6709\uff0c
\nabsolute<\/code>\u4e0ereflow<\/code>\u56de\u6d41\u53ca\u5e94\u7528\uff1b
\nIE6\/7\u4e0b\u884c\u9ad8\u4e0eabsolute<\/code>\u5143\u7d20\u95f4\u7684\u8bef\u4f1a\uff1b
\nIE6\/7\u4e0bhaslayout\u4e0eabsolute<\/code>\u5143\u7d20\u95f4\u7684\u8bef\u4f1a\uff1b
\n\u7b49\u2026\u2026<\/p>\n
\u672c\u6587\u4e3a\u539f\u521b\u6587\u7ae0\uff0c\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u6765\u81ea\u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b<\/a>[http:\/\/www.zhangxinxu.com<\/a>]
\n\u672c\u6587\u5730\u5740\uff1ahttp:\/\/www.zhangxinxu.com\/wordpress\/?p=1330<\/a><\/p>\n
\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"
<\/a>
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