{"id":1287,"date":"2010-12-09T23:21:35","date_gmt":"2010-12-09T15:21:35","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=1287"},"modified":"2020-12-23T11:17:40","modified_gmt":"2020-12-23T03:17:40","slug":"css-%e7%9b%b8%e5%af%b9%e7%bb%9d%e5%af%b9%e5%ae%9a%e4%bd%8d%e7%b3%bb%e5%88%97%ef%bc%88%e4%b8%80%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%b9%e5%ae%9a%e4%bd%8d%e7%b3%bb%e5%88%97%ef%bc%88%e4%b8%80%ef%bc%89\/","title":{"rendered":"CSS \u76f8\u5bf9|\u7edd\u5bf9(relative\/absolute)\u5b9a\u4f4d\u7cfb\u5217\uff08\u4e00\uff09"},"content":{"rendered":"

by zhangxinxu<\/a> from https:\/\/www.zhangxinxu.com<\/a>
\n\u672c\u6587\u5730\u5740\uff1ahttps:\/\/www.zhangxinxu.com\/wordpress\/?p=1287<\/a><\/p>\n

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\u60c5\u611f\u5316\u601d\u7ef4<\/h4>\n

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\u6211\u5230\u73b0\u5728\u8fd8\u4e0d\u6e05\u695a\uff0c\u662f\u4e0d\u662f\u5176\u4ed6\u4eba\u8ddf\u6211\u4e00\u6837\uff0c\u4f1a\u5f88\u611f\u6027\u7684\uff0c\u5939\u6742\u7740\u5f3a\u70c8\u7684\u4e2a\u4eba\u60c5\u611f\u548c\u6027\u683c\u7279\u8d28\u53bb\u770b\u5230CSS\u7684\u4e00\u4e9b\u5c5e\u6027\u7684\u3002\u5c31\u81ea\u5df1\u800c\u8a00\uff0c\u8fd9\u79cd\u60c5\u611f\u5316\u7684\u8ba4\u8bc6\u6709\u52a9\u4e8e\u7406\u89e3\u4e0e\u4f7f\u7528CSS\u3002\u6240\u4ee5\uff0c\u672c\u6587\u4e5f\u5c06\u501f\u52a9\u60c5\u611f\u5316\u601d\u7ef4\u5206\u6790\u201cposition:relative<\/code>\/absolute<\/code>\u201d\u5c5e\u6027\u7684\u813e\u6c14\u7279\u6027\uff0c\u5229\u5f0a\u597d\u574f\u3002<\/p>\n

\u4e09\u3001absolute\u5c5e\u6027\u7684\u60c5\u611f\u5316\u8ba4\u8bc6<\/h3>\n

\u6211\u5bf9position:absolute<\/code>\u5c5e\u6027\u611f\u6027\u5316\u7684\u8ba4\u8bc6\uff1aabsolute<\/code>\u662f\u4e00\u4e2a\u5584\u826f\u7684\u6709\u4e2a\u6027\u7684\uff0c\u6211\u884c\u6211\u7d20\u3001\u559c\u6b22\u51cc\u9a7e\u4e00\u5207\u4e4b\u4e0a\u7684\u9b54\u9b3c\u3002\u8fd9\u5bb6\u4f19\uff0c\u4e0d\u559c\u6b22\u4e5f\u7b97\u4e0d\u4e0a\u8ba8\u538c\uff0c\u4f46\u662f\u77e5\u9053\u6ca1\u4e8b\u6700\u597d\u5c11\u62db\u60f9\uff0c\u514d\u6709\u540e\u60a3\u3002<\/p>\n

\u56db\u3001position:absolute\u4e0efloat:left\u662f\u8fd1\u4eb2<\/h3>\n

\u5148\u7ed9\u5927\u5bb6\u8bb2\u4e2a\u6545\u4e8b\u5427\u3002\u66fe\u7ecf\u6709\u4e24\u4e2a\u9b54\u9b3c\u5144\u5f1f\uff0c\u4e00\u4e2a\u53eb\u6d6e\u52a8\uff0c\u4e00\u4e2a\u53eb\u7edd\u5bf9\u5b9a\u4f4d\uff0c\u5b83\u4eec\u603b\u662f\u4e00\u8d77\u5728\u7a7a\u4e2d\u98de\u884c\u620f\u800d\u7684\u3002\u4f46\u662f\uff0c\u4e0d\u5e78\u7684\u662f\uff0c\u6709\u4e00\u5929\uff0c\u6d6e\u52a8\u88ab\u5de8\u96f7\u51fb\u4e2d\uff0c\u53cc\u7ffc\u6298\u635f\uff0c\u9668\u843d\u51e1\u95f4\uff0c\u597d\u5728\u6027\u547d\u8fd8\u5728\uff0c\u4f46\u662f\uff0c\u7fc5\u8180\u4e0d\u5728\uff0c\u5b83\u53ea\u80fd\u6c38\u8fdc\u7559\u5728\u51e1\u95f4\uff0c\u4e0e\u82b8\u82b8\u4f17\u751f\u5446\u5728\u4e00\u8d77\u3002\u5076\u7136\u4e00\u5929\uff0c\u4f17\u751f\u53d1\u73b0\u6d6e\u52a8\u6709\u4e00\u79cd\u80fd\u529b\uff0c\u53ef\u4ee5\u8ba9\u5e03\u5c40\u6574\u9f50\uff0c\u6709\u65b9\u5411\u6027\u7684\u6392\u5217\uff0c\u4e8e\u662f\uff0c\u5927\u8086\u4f7f\u7528\u5176\u80fd\u529b\uff0c\u5efa\u623f\u5b50\uff0c\u9020\u5bb6\u56ed\u3002\u4f46\u662f\uff0c\u6d6e\u52a8\u672c\u8d28\u4e0a\u662f\u9b54\u9b3c\uff0c\u5176\u7834\u574f\u6027\u7ecf\u5e38\u8ba9\u623f\u5b50\u9ad8\u5ea6\u584c\u9677\uff0c\u800c\u9971\u53d7\u4f17\u751f\u8bdf\u75c5\u3002\u53ef\u601c\u7684\u6d6e\u52a8\u554a\uff0c\u539f\u672c\u51fa\u8eab\u7684\u610f\u4e49\u5c31\u4e0d\u662f\u6765\u5efa\u623f\u5b50\u7684\uff0c\u5374\u88ab\u4f17\u4eba\u8bef\u89e3\u4e0e\u6307\u8d23\u3002\u6d6e\u52a8\u7684\u5144\u5f1f\u7edd\u5bf9\u5b9a\u4f4d\u672c\u5e94\u5728\u5929\u7a7a\u7ff1\u7fd4\uff0c\u4f46\u662f\u4e3a\u4e86\u770b\u671b\u5176\u5144\u5f1f\uff0c\u4e5f\u7ecf\u5e38\u53bb\u51e1\u95f4\u770b\u671b\u3002\u540e\u6765\uff0c\u4eba\u4eec\u53d1\u73b0\uff0c\u7edd\u5bf9\u5b9a\u4f4d\u4e5f\u6709\u5e03\u5c40\u5efa\u623f\u5b50\u7684\u80fd\u529b\uff0c\u4e5f\u60f3\u62ff\u6765\u4f7f\u7528\u3002\u4f46\u662f\uff0c\u7edd\u5bf9\u5b9a\u4f4d\u4e0d\u540c\u4e8e\u6d6e\u52a8\uff0c\u5176\u7fc5\u8180\u5c1a\u5728\uff0c\u5176\u4e00\u4e2a\u4e0d\u4e50\u610f\u5c31\u53ef\u4ee5\u98de\u56de\u5929\u7a7a\u3002\u806a\u660e\u800c\u72e1\u9ee0\u7684\u4eba\u4eec\u53d1\u73b0\u4e86\u4e00\u4e2a\u53ef\u4ee5\u9650\u5236\u7edd\u5bf9\u5b9a\u4f4d\u7684\u7269\u4f53\uff0c\u540d\u53eb\u76f8\u5bf9\u5b9a\u4f4d\u3002\u4e8e\u662f\uff0c\u4ec0\u4e48\u65f6\u5019\uff0c\u4eba\u4eec\u60f3\u5229\u7528\u7edd\u5bf9\u5b9a\u4f4d\u5efa\u623f\u5b50\uff0c\u5c31\u4f7f\u7528\u8fd9\u4e2a\u540d\u53eb\u76f8\u5bf9\u5b9a\u4f4d\u7684\u4e1c\u897f\u628a\u4ed6\u9650\u5b9a\u4f4f\u3002\u540e\u6765\uff0c\u6709\u4e00\u5929\uff0c\u4eba\u4eec\u5fcd\u4e0d\u4f4f\u5fc3\u4e2d\u7684\u7591\u95ee\uff0c\u5c31\u95ee\u7edd\u5bf9\u5b9a\u4f4d\uff1a\u201c\u4f60\u5728\u5929\u4e0a\u597d\u597d\u7684\uff0c\u4e3a\u4ec0\u4e48\u6ca1\u4e8b\u8981\u4e0b\u6765\u53d7\u7f6a\u5462\uff1f\u201d\u7edd\u5bf9\u5b9a\u4f4d\u957f\u5401\u4e00\u53e3\u6c14\uff0c\u9053\u51fa\u4e86\u6d6e\u52a8\u5c31\u662f\u4ed6\u90a3\u53ef\u601c\u7684\u5f1f\u5f1f\u7684\u4e8b\u60c5\u3002\u201c\u4e0d\u4f1a\u5427\uff01\u201d\u4eba\u4eec\u5f88\u60ca\u8bb6\uff0c\u201c\u4f60\u4eec\u6837\u8c8c\u5dee\u5f02\u8fd9\u4e48\u5927\uff0c\u8ddf\u5fd7\u73b2\u59d0\u548c\u51e4\u59d0\u4e4b\u95f4\u7684\u5dee\u5f02\u6709\u5f97\u4e00\u62fc\u5462\uff01\u201d\u201c\u5509\u201d\u7edd\u5bf9\u5b9a\u4f4d\u53c8\u662f\u4e00\u58f0\u53f9\u6c14\uff0c\u201c\u88ab\u96f7\u51fb\uff0c\u7fc5\u8180\u6ca1\u4e86\uff0c\u8fd8\u6bc1\u4e86\u5bb9\uff0c\u4e8e\u662f\u2026\u2026\u201d\u7edd\u5bf9\u5b9a\u4f4d\u5fcd\u4e0d\u4f4f\u62bd\u6ce3\u8d77\u6765\u3002\u540e\u6765\uff0c\u4eba\u4eec\u9010\u6e10\u660e\u767d\uff0c\u539f\u6765\u7edd\u5bf9\u5b9a\u4f4d\u4e0b\u51e1\u95f4\u5e2e\u7740\u5efa\u623f\u5b50\u90fd\u662f\u81ea\u613f\u7684\u3002\u679c\u7136\uff0c\u540e\u6765\uff0c\u4e00\u90e8\u5206\u4eba\u8bd5\u7740\u4e0d\u518d\u4f7f\u7528\u53eb\u505a\u76f8\u5bf9\u5b9a\u4f4d\u7684\u4e1c\u897f\u9650\u5236\u7edd\u5bf9\u5b9a\u4f4d\uff0c\u7edd\u5bf9\u5b9a\u4f4d\u4e5f\u6ca1\u6709\u98de\u5411\u5929\u7a7a\u2026\u2026\uff08\u672a\u5b8c\uff0c\u5f85\u7eed\uff09<\/p>\n

\u6545\u4e8b\u5148\u8bf4\u5230\u8fd9\u513f\uff0c\u6b63\u5982\u6545\u4e8b\u91cc\u63d0\u5230\u7684\uff0cposition:absolute<\/code>\u4e0efloat:left<\/code>\u8bba\u957f\u76f8\u5dee\u522b\u6709\u5fd7\u73b2\u59d0\u548c\u51e4\u59d0\u90a3\u4e48\u5927\uff0c\u4f46\u662f\uff0c\u5374\u662f\u8fd1\u4eb2\uff0c\u7ec6\u60f3\u4e00\u4e0b\u4e5f\u5408\u60c5\u5408\u7406\uff0c\u4e24\u8005\u6709\u4e24\u5927\u5171\u6027\uff1a\u5305\u88f9\u6027\uff0c\u7834\u574f\u6027\u3002<\/p>\n

\u5305\u88f9\u6027<\/strong>
\n\u5305\u88f9\u6027\u6362\u79cd\u8bf4\u6cd5\u5c31\u662f\u8ba9\u5143\u7d20inline-block<\/code>\u5316\uff0c\u4f8b\u5982\u4e00\u4e2adiv<\/code>\u6807\u7b7e\u9ed8\u8ba4\u5bbd\u5ea6\u662f100%<\/code>\u663e\u793a\u7684\uff0c\u4f46\u662f\u4e00\u65e6\u88ababsolute<\/code>\u5c5e\u6027\u7f20\u4e0a\uff0c\u5219100%<\/code>\u9ed8\u8ba4\u5bbd\u5ea6\u5c31\u4f1a\u53d8\u6210\u81ea\u9002\u5e94\u5185\u90e8\u5143\u7d20\u7684\u5bbd\u5ea6\u3002\u54e6\uff0c\u4e3e\u4e2a\u4f8b\u5b50\u5427\uff0c\u5982\u4e0b\u6d4b\u8bd5\u4ee3\u7801\uff1a<\/p>\n

CSS\u90e8\u5206\uff1a<\/p>\n

\n
\r\n.div { padding:20px; margin-bottom:10px; background-color:#f0f3f9; }\r\n.abs { position:absolute; }\r\n<\/pre>\n<\/div>\n
HTML\u90e8\u5206\uff1a<\/p>\n
\n
\r\n<div class=\"div\">\r\n    <img src=\"mm1.jpg\" \/>\r\n    <p>\u65e0absolute<\/p>\r\n<\/div>\r\n<div class=\"div abs\">\r\n    <img src=\"mm1.jpg\" \/>\r\n    <p>absolute\u540e<\/p>\r\n<\/div>\r\n<\/pre>\n<\/div>\n
\u7ed3\u679c\u5982\u4e0b\u56fe\u6240\u793a\uff1a
\n\"absolute\u7684inline-block\u5316\"<\/p>\n
\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1aabsolute\u7684inline-block\u5316demo<\/a><\/p>\n
float<\/code>\u4e5f\u662f\u5178\u578b\u7684inline-block<\/code>\u5316\u5143\u7d20\uff0c\u8fd9\u79cd\u5143\u7d20\u7684inline-block<\/code>\u5316\u9002\u7528\u4e8e\u4efb\u4f55\u6c34\u5e73\u7684\u6807\u7b7e\u3002\u4f8b\u5982\u5e73\u65f6\u6211\u4eec\u8981\u8ba9span<\/code>\u6807\u7b7e\u652f\u6301width<\/code>\u5c5e\u6027\uff0c\u53ef\u80fd\u8981\u8bbe\u7f6e\uff1a<\/p>\n
\n
span { display:block; width:100px; }<\/pre>\n<\/div>\n
\u4f46\u662f\uff0c\u6709float:left<\/code>\/position:absolute<\/code>\u6491\u8170\u7684\u60c5\u51b5\u4e0b\uff0cdisplay<\/code>\u5c5e\u6027\u5c31\u662f\u591a\u4f59\u7684\uff0c\u53ef\u4ee5\u76f4\u63a5\u56de\u5bb6\u559d\u8336\u4e86\u3002<\/p>\n
\n
span { float:left; width:100px; }<\/pre>\n<\/div>\n
\n
span { position:absolute; width:100px; }<\/pre>\n<\/div>\n
\u7834\u574f\u6027<\/strong>
\n\u8bba\u7834\u574f\u7684\u529f\u529b\uff0c\u7edd\u5bf9\u5b9a\u4f4d\u663e\u7136\u6bd4\u6d6e\u52a8\u66f4\u751a\u4e00\u7b79\uff0c\u4f46\u662f\u4eba\u4eec\u8bdf\u75c5\u7684\u66f4\u591a\u7684\u5374\u662f\u6d6e\u52a8\u7684\u7834\u574f\u6027\u3002\u8fd9\u4e0d\u96be\u7406\u89e3\uff0c\u6574\u5929\u5728\u8033\u8fb9\u98de\u6765\u98de\u53bb\u7684\u82cd\u8747\u8981\u6bd4\u4e0d\u5e38\u89c1\u7684\u5438\u8840\u725b\u867b\u8ba8\u538c\u3002\u4f17\u4eba\u5df2\u7ecf\u628a\u6d6e\u52a8\u5f53\u4f5c\u51e1\u4eba\u4e2d\u7684\u4e00\u4efd\u5b50\uff0c\u800c\u5bf9\u4e8e\u7edd\u5bf9\u5b9a\u4f4d\uff0c\u4eba\u4eec\u77e5\u9053\uff0c\u6bd5\u7adf\u4eba\u5bb6\u539f\u672c\u96b6\u5c5e\u5929\u4e0a\uff0c\u80fd\u4e0b\u51e1\u95f4\u6765\u5e2e\u5fd9\u9020\u623f\u5b50\u5df2\u7ecf\u4e0d\u9519\u4e86\uff0c\u6ca1\u6709\u5fc5\u8981\u53bb\u82db\u6c42\u6307\u8d23\u4eba\u5bb6\u3002<\/p>\n
\"\u6d6e\u52a8\u4e0e\u7edd\u5bf9\u5b9a\u4f4d\u4e0e\u4f17\u751f\u4e4b\u95f4\u7684\u5173\u7cfb\"<\/p>\n
\u6d6e\u52a8\u7684\u7834\u574f\u6027\u5728\u4e8e\u5207\u65adline box\u94fe\uff0c\u81f4\u4f7f\u9ad8\u5ea6\u584c\u9677\uff0c\u4f46\u7531\u4e8e\u6d6e\u52a8\u5143\u7d20\u4ecd\u5728\u51e1\u95f4\uff08DOM tree\uff09\uff0c\u5b9e\u4f53\u662f\u770b\u5f97\u89c1\u6478\u5f97\u7740\u7684\uff0c\u6240\u4ee5\u5176\u5360\u636e\u7684\u5b9e\u4f53\u4f4d\u7f6e\u8fd8\u662f\u5728\u7684\u3002\u800cabsolute<\/code>\u7edd\u5bf9\u5b9a\u4f4d\u4e0d\u4ec5\u8ba9\u9ad8\u5ea6\u584c\u9677\uff0c\u53c8\u7531\u4e8e\u4ece\u672a\u6df1\u5165\u51e1\u95f4\uff0c\u5728\u51e1\u95f4\u6ca1\u6709\u4ed6\u7684\u5b9e\u4f53\u4f4d\u7f6e\uff0c\u6240\u4ee5\u5bbd\u5ea6\u4e5f\u662f\u584c\u9677\u7684\u3002<\/p>\n
\u7531\u4e8e\u6d6e\u52a8\u8eab\u5904\u51e1\u95f4\uff0c\u6240\u4ee5\u5176\u9020\u6210\u7684\u7834\u574f\u662f\u53ef\u4ee5\u901a\u8fc7\u5176\u4ed6\u624b\u6bb5\u5f25\u8865\u7684\uff1b\u4f46\u662f\uff0c\u7edd\u5bf9\u5b9a\u4f4d\u4e0d\u5c5e\u4e8e\u51e1\u95f4\uff0c\u5176\u7834\u574f\u65e0\u6cd5\u4fee\u590d\uff0c\u56e0\u4e3a\u4e00\u662f\u5b64\u72ec\uff0c\u65e0\u4eba\u5e2e\u5fd9\uff1b\u4e8c\u662f\u53ea\u6709\u7a7a\u6c14\uff0c\u600e\u80fd\u4fee\u8865\u3002<\/p>\n
\u4f8b\u5982\u4e0b\u9762\u7684\u6d4b\u8bd5\uff1a
\nCSS\u4ee3\u7801\uff1a<\/p>\n
\n
\r\n.div { padding:20px; margin:10px 0 0 10px; background-color:#f0f3f9; float:left; }\r\n.abs { position:absolute; }\r\n<\/pre>\n<\/div>\n
HTML\u5982\u4e0b\uff1a<\/p>\n
\n
\r\n<div class=\"div\">\r\n    <img src=\"mm1.jpg\" \/>\r\n    <p>\u56fe\u7247\u65e0absolute<\/p>\r\n<\/div>\r\n<div class=\"div\">\r\n    <img class=\"abs\" src=\"mm1.jpg\" \/>\r\n    <p>\u56fe\u7247absolute\u540e<\/p>\r\n<\/div>\r\n<\/pre>\n<\/div>\n
\u7ed3\u679c\u5982\u4e0b\u622a\u56fe\uff1a<\/p>\n
\"absolute\u5c5e\u6027\u81f4\u4f7f\u9ad8\u5bbd\u584c\u9677\"<\/p>\n
\u53ef\u4ee5\u770b\u5230\uff0c\u56fe\u7247\u5e94\u8be5\u7684position:absolute<\/code>\u5c5e\u6027\u540e\uff0c\u7236\u6807\u7b7e\u7684\u9ad8\u5bbd\u90fd\u584c\u9677\u4e86\uff0c\u8fde\u5b83\u7684\u5144\u5f1ffloat<\/code>\u90fd\u6551\u4e0d\u4e86\u3002<\/p>\n
\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1aabsolute\u7684\u7834\u574f\u6027demo<\/a><\/p>\n
\u4e94\u3001position:absolute\u6ee5\u7528<\/h3>\n
\u5728\u6211\u770b\u6765\uff0c\u5f88\u591a\u7f51\u7ad9\uff0cposition:absolute<\/code>\u90fd\u6709\u6ee5\u7528\u7684\u5acc\u7591\uff0c\u4e0d\u4ec5\u4ec5\u662fposition:absolute<\/code>\u6ee5\u7528\uff0c\u5176left<\/code>, top<\/code>\u5c5e\u6027\u503c\u4e5f\u6ee5\u7528\uff0crelative<\/code>\u5c5e\u6027\u503c\u6ee5\u7528\uff0cz-index<\/code>\u4e5f\u6ee5\u7528\u3002\u6709\u7684\u5c5e\u6027\u6ee5\u7528\u5c31\u662f\u5355\u7eaf\u7684\u591a\u4e9b\u4ee3\u7801\u800c\u5df2\uff1b\u800c\u6709\u4e9b\u5176\u5b9e\u53ef\u4ee5\u4e0d\u4f7f\u7528\u7684\u5730\u65b9\u4e5f\u4f7f\u7528\u7684\u8bdd\u4f1a\u7ed9\u540e\u6765\u7684\u6269\u5c55\u548c\u7ef4\u62a4\u9020\u6210\u5f88\u5927\u7684\u9ebb\u70e6\u7684\u3002<\/p>\n
relative<\/code>\/absolute<\/code>\/left<\/code>\/top<\/code>\/z-index<\/code>\u8fd95\u4e2a\u5173\u7cfb\u7d27\u5bc6\uff0c\u65e0\u8bba\u5c06\u54ea\u4e00\u70b9\u90fd\u4f1a\u7275\u626f\u5230\u5176\u4ed6\u3002\u4e3a\u4e86\u907f\u514d\u8bb2\u8ff0\u7684\u6df7\u4e71\uff0c\u6211\u5c3d\u91cf\u53ea\u8bb2\u67d0\u4e00\u4e2a\u3002\u4f8b\u5982\uff0c\u8fd9\u91cc\u53ea\u8bb2absolute<\/code>\u5c5e\u6027\u3002<\/p>\n
absolute<\/code>\u7ecf\u5e38\u88ab\u4e00\u4e9b\u65b0\u624b\u62ff\u6765\u5927\u8086\u5efa\u623f\u5b50\u505a\u5e03\u5c40\u4e5f\u662f\u53ef\u4ee5\u7406\u89e3\u7684\uff0c\u8c8c\u4f3c\u4ec0\u4e48\u65f6\u5019\u6211\u770b\u8fc7\u4e00\u7bc7\u6587\u7ae0\u8bf4\uff0cabsolute<\/code>\u5c5e\u6027\u7684\u51fa\u73b0\u672c\u6765\u662f\u60f3\u628a\u9875\u9762\u641e\u5f97\u50cfphotoshop\u90a3\u6837\uff0c\u4e00\u4e2a\u56fe\u5c42\u4e00\u4e2a\u56fe\u5c42\u8986\u76d6\u4f3c\u7684\u3002\u4f46\u662f\uff0c\u9875\u9762\u7684\u53d1\u5c55\u663e\u7136\u4e0e\u8fd9\u4e2a\u80cc\u9053\u800c\u9a70\uff0c\u6bd5\u7adf\u9875\u9762\u662f\u6d3b\u7684\u3002\u786e\u5b9e\uff0c\u50cfphotoshop\uff0c\u628a\u4e00\u4e2a\u4e2a\u5c42\u641e\u51fa\u6765\uff0c\u4f7f\u7528absolute<\/code>\u5c5e\u6027\uff0c\u4ee5\u53ca\u4e00\u5b9a\u5750\u6807\u503c\u5c31\u53ef\u4ee5\u5b9a\u4f4d\u51fa\u6765\u4e86\u3002\u4e0d\u9700\u8981\u8003\u8651\u4ec0\u4e48\u95f4\u8ddd\u554a\uff0cmargin<\/code>\u554a\uff0c\u4e00\u4e9bIE\u4e0b\u4e71\u4e03\u516b\u7cdf\u7684bug\u554a\u4ec0\u4e48\u7684\uff0c\u6709\u4e00\u4e86\u767e\u4e86\u7684\u7545\u5feb\u611f\u3002\u5c24\u5176\u5bf9\u4e8e\u9875\u9762\u5236\u4f5c\u4e0d\u719f\u6089\u7684\u65b0\u624b\uff0c\u8fd9\u79cd\u7edd\u5bf9\u5b9a\u4f4d\u5e03\u5c40\u53ef\u8c13\u5c61\u8bd5\u4e0d\u723d\u3002<\/p>\n
\u8fd8\u6709\u65f6\u5019\uff0c\u9047\u5230\u6709\u4e9b\u590d\u6742\u7684\u5e03\u5c40\uff0c\u9879\u76ee\u7ecf\u7406\u53c8\u50ac\u5f97\u7d27\uff0c\u61d2\u5f97\u518d\u53bb\u6298\u817e\uff0c\u5e72\u8106\uff0c\u76f4\u63a5\uff0c\u7edd\u5bf9\u5b9a\u4f4d\uff0c\u5148\u628a\u6548\u679c\u505a\u51fa\u6765\u518d\u8bf4\u3002\u56e0\u4e3a\u7edd\u5bf9\u5b9a\u4f4d\u6bd5\u7adf\u6709\u98de\u7fd4\u7684\u80fd\u529b\uff0c\u4f8b\u5982\u60f3\u5728\u9ec4\u6d66\u6c5f\u4e2d\u95f4\u5efa\u4e2a\u706f\u5854\uff0c\u76f4\u63a5\u544a\u77e5\u5750\u6807\uff0c\u98de\u8fc7\u53bb\uff0c\u706f\u5854\u4e00\u63d2\uff0c\u641e\u5b9a\u4e86\uff0c\u5f88\u7701\u4e8b\u7684\u3002<\/p>\n
\u770b\u4e0a\u53bb\u7701\u4e8b\uff0c\u5176\u5b9e\u662f\u81ea\u6398\u575f\u5893\u3002\u6240\u8c13\u201c\u672c\u5c5e\u5929\u4e0a\u4eba\uff0c\u52ff\u7ba1\u51e1\u95f4\u4e8b\u201d\uff0c\u5bf9\u4e8e\u666e\u901a\u7684\u9875\u9762\u5e03\u5c40\uff0c\u4e0d\u5230\u4e07\u4e0d\u5f97\u5df2\u4e0d\u8981\u4f7f\u7528absolute<\/code>\u8fdb\u884c\u5b9a\u4f4d\u3002<\/p>\n
\u5bf9\u666e\u901a\u7684layout\uff0c\u5982\u679c\u52a8\u4e0d\u52a8\u5c31\u4f7f\u7528absolute<\/code>\u5c5e\u6027\uff0c\u6211\u4e2a\u4eba\u662f\u6bd4\u8f83\u6df1\u6076\u75db\u75be\u7684\u3002<\/p>\n
\u9996\u5148\u81ea\u5df1\u662f\u4e2a\u6d41\u4f53\u5e03\u5c40\u63a7\uff0c\u7edd\u5bf9\u5b9a\u4f4d\u8fd9\u79cd\u4e1c\u897f\uff0c\u663e\u7136\u6ca1\u6709\u6d41\u52a8\u7684\u6c14\u8d28\uff0c\u5c24\u5176\u62ff\u6765\u5b9a\u4f4d\u540e\uff08\u867d\u7136\u6709\u65f6\u5019\u5728relative<\/code>\u7684\u5e87\u62a4\u4e0b\u4e5f\u6709\u4e00\u5b9a\u7684\u6d41\u52a8\u6027\uff09\u3002\u6d41\u52a8\u6027\u5e03\u5c40\u5f88\u5f3a\u8c03\u4e0d\u5b9a\u5bbd\uff0c\u4e0d\u5b9a\u9ad8\uff0c\u6d3b\u7528\u6807\u7b7e\u81ea\u8eab\u5c5e\u6027\uff0c\u987a\u5176\u81ea\u7136\uff0c\u6700\u5c11\u5e72\u9884\u3002\u4f46\u662f\u7531\u4e8eabsolute\u5c5e\u6027\uff08\u5c24\u5176\u662f\u5e26\u6709left\/top\u503c\uff09\u7684\u7834\u574f\u6027\uff0c\u4f1a\u5bfc\u81f4\u9ad8\u5bbd\u584c\u9677\uff0c\u4e8e\u662f\uff0c\u4e0d\u5f97\u5df2\uff0c\u9700\u8981\u8bbe\u5b9a\u4e00\u4e2a\u9ad8\u5ea6\u503c\uff08\u6216\u662f\u8db3\u4ee5\u6491\u5f00\u9ad8\u5ea6\u7684\u503c\uff09\uff0c\u4f8b\u5982\u65b0\u6d6a\u5fae\u535a\u5bfc\u822a\u5c31\u662f\u7edd\u5bf9\u5b9a\u4f4d\uff0c\u4e8e\u662f\uff0c\u5bfc\u822a\u5916\u6807\u7b7e\u5fc5\u987b\u5b9a\u9ad8\uff0c\u5426\u5219\uff0c\u4e0b\u9762\u7684\u5143\u7d20\u4f1a\u4e0a\u6765\u53d1\u751f\u91cd\u53e0\uff1a<\/p>\n
\"\u65b0\u6d6a\u5fae\u535a\u5bfc\u822a\u5916\u6807\u7b7e\u5b9a\u9ad8\"
\n\"\u9ad8\u5ea6\u7981\u7528\u540e\u5bfc\u822a\u91cd\u53e0\"<\/p>\n
\u5176\u6b21\uff0c\u81ea\u5df1\u662f\u4e2a\u4ee3\u7801\u63a7\u3002\u81ea\u5df1\u662f\u4e2a\u6709\u4ee3\u7801\u7656\u7684\u4eba\uff0c\u773c\u4e2d\u662f\u5bb9\u4e0d\u5f97\u53ef\u4ee5\u4e0d\u4f7f\u7528\u7684CSS\u5c5e\u6027\u7684\u3002\u5bf9\u4e8eabsolute<\/code>\u5e03\u5c40\uff0c\u4e3a\u4e86\u4fee\u590d\u5176\u7834\u574f\u9020\u6210\u7684\u540e\u9057\u75c7\u800c\u82b1\u8d39\u7684CSS\u4ee3\u7801\u5f00\u9500\u5728\u6211\u770b\u6765\u5df2\u7ecf\u8d85\u51fa\u7684\u5bb9\u5fcd\u7684\u9650\u5236\u3002<\/p>\n
\u6700\u540e\uff0c\u4e5f\u662f\u66f4\u91cd\u8981\u7684\uff0c\u5c31\u662f\u7edd\u5bf9\u5b9a\u4f4d\u5927\u5927\u964d\u4f4e\u4e86\u9875\u9762\u7684\u6269\u5c55\u6027\u548c\u7ef4\u62a4\u6027\u3002\u5176\u5728\u964d\u4f4e\u7ef4\u62a4\u6027\u65b9\u9762\u7684\u5353\u8d8a\u8868\u73b0\u4e0d\u4ec5\u4ec5\u5728\u4e8e\u81ea\u8eab\uff0c\u8fd8\u5728\u4e8e\u5176\u9886\u5bfc\u80fd\u529b\uff08\u6307\u5f15\u9886relative<\/code>\u4e0ez-index<\/code>\u5236\u9020\u66f4\u52a0\u6df7\u4e71\u7684\u9875\u9762\uff0c\u8fd9\u4e2a\u540e\u9762\u4f1a\u4f9d\u6b21\u8bb2\u5230\uff09\u3002\u6211\u60f3\u6709\u7ecf\u9a8c\u7684\u9875\u9762\u91cd\u6784\u4eba\u5458\u90fd\u6df1\u6709\u4f53\u4f1a\uff0c\u53bb\u6539\u4e4b\u524d\u522b\u4eba\u5199\u7684\u9875\u9762\uff0c\u51fa\u73b0\u95ee\u9898\u7684\u5f88\u591a\u65f6\u5019\u5c31\u662f\u90a3\u4e9b\u4e0d\u77e5\u9053\u4e3a\u4ec0\u4e48\u8981\u7edd\u5bf9\u5b9a\u4f4d\u7684\u5143\u7d20\uff0c\u8fd9\u4e9b\u5143\u7d20\u5c31\u50cf\u5730\u96f7\u4e00\u6837\uff0c\u603b\u4ee5\u4e3a\u5b89\u5168\uff0c\u653e\u5fc3\u5927\u80c6\u5730\u5f80\u524d\u8d70\uff0c\u7ed3\u679c\uff0c\u201c\u7830\u201d\u4e00\u58f0\u55dd\u5c41\u4e86\u3002\u8986\u76d6\uff0c\u91cd\u53e0\uff0c\u7cbe\u786e\u8c03\u8ddd\u79bb\uff0c\u4fee\u6539\u4e4b\u524d\u7684\u9ad8\u5bbd\u53c2\u6570\u7b49\uff0c\u60f3\u60f3\u90fd\u8ba9\u4eba\u5410\u69fd\u3002\u6700\u540e\uff0c\u8d8a\u6539\u8d8a\u6df7\u4e71\u3002<\/p>\n
absolute<\/code>\u5c5e\u6027\u672c\u6765\u662f\u4e2a\u597d\u5b69\u5b50\uff0c\u53ef\u505a\u5947\u5175\uff0c\u9887\u6709\u5999\u7528\u3002\u4f46\u662f\uff0c\u592a\u591a\u4eba\u628a\u5929\u4e0a\u7684\u51e4\u51f0\u5f53\u91ce\u9e21\u517b\uff0c\u628aabsolute<\/code>\u8fc7\u591a\u7684\u7528\u4e8e\u666e\u901a\u5e03\u5c40\uff0c\u800c\u6c89\u6d78\u5176\u4e2d\uff0c\u4e0d\u4ea6\u4e50\u4e4e\u3002<\/p>\n
\u5176\u5b9e\u60f3\u60f3\uff0c\u8981\u6c42\u4e5f\u4e0d\u80fd\u90a3\u4e48\u9ad8\u3002\u6bd5\u7adf\u5927\u90e8\u5206\u7684\u540c\u884c\u90fd\u662f\u505a\u4e2d\u5c0f\u7ad9\u70b9\u7684\uff0c\u4e00\u4e2a\u9875\u9762\u5bff\u547d\u77ed\u77ed\u51e0\u4e2a\u6708\u8bf4\u4e0d\u5b9a\u5c31\u8981\u6284\u5e95\u91cd\u6765\u3002\u82b1\u529f\u592b\u53bb\u6298\u817e\u6269\u5c55\u6027\uff0c\u4ee3\u7801\u91cf\u4ec0\u4e48\u7684\uff0c\u5b9e\u5728\u662f\u5bf9\u4e0d\u8d77\u81ea\u5df1\u90a3\u70b9\u53ef\u601c\u7684\u5de5\u8d44\uff0c\u6709\u8fd9\u70b9\u95f2\u529f\u592b\u8fd8\u4e0d\u5982\u53bb\u64a9\u64a9\u7f8e\u5973\u59d0\u59d0\uff0c\u6ce1\u6ce1\u6e05\u7eaf\u5c0f\u59b9\u5462\u3002\u6240\u4ee5\uff0c\u6de1\u5b9a\uff0c\u6de1\u5b9a\uff01<\/p>\n
\u4e0d\u8fc7\uff0c\u4e00\u4e9b\u7ed3\u8bba\u6027\u7684\u8bdd\u8fd8\u662f\u8981\u8bf4\u7684\uff1a\u60f3\u91cd\u6784\u9ad8\u8d28\u91cf\u7684\u9875\u9762\uff0c\u5c11\u7528\u7edd\u5bf9\u5b9a\u4f4d\u5e03\u5c40<\/strong>\uff01<\/p>\n
\u516d\u3001\u978b\u5b50\u662f\u7528\u6765\u7a7f\u7684<\/h3>\n
\u53c8\u662f\u9898\u5916\u8bdd\u3002\u5bf9\u4e8eCSS\u5c5e\u6027\uff0c\u5982\u4f55\u9ad8\u6548\u5730\u4f7f\u7528\u5b83\u4eec\uff0c\u5982\u4f55\u4f7f\u9875\u9762\u6d41\u7545\uff0c\u7075\u52a8\uff0c\u53c8\u6781\u5177\u6269\u5c55\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u5462\uff1f\u5c31\u662f\u8be5\u751f\u4e0b\u6765\u8be5\u5e72\u561b\u7684\u5c31\u8ba9\u4ed6\u5e72\u561b\u3002\u5c31\u62ff\u7edd\u5bf9\u5b9a\u4f4d\u4e3e\u4f8b\uff0cabsolute<\/code>\u6700\u5927\u6700\u80fd\u52a8\u7684\u7a7a\u95f4\u662f\u5728\u5929\u7a7a\u4e2d\uff0c\u4e0d\u53d7\u4efb\u4f55\u9650\u5236\u7684\u5929\u7a7a\uff0c\u53ef\u4ee5\u81ea\u7531\u9a70\u9a8b\uff0c\u53c8\u4e0e\u4e16\u9694\u7edd\uff0c\u4e0d\u4f1a\u5bf9\u51e1\u95f4\u9020\u6210\u4efb\u4f55\u4fb5\u6270\uff0c\u9876\u591a\u906e\u4f4f\u70b9\u9633\u5149\u3002\u6240\u4ee5\uff0cabsolute<\/code>\u5c3d\u91cf\u4e0d\u8981\u8eab\u9677\u6797\u7acb\u7684DOM\u4e2d\uff0c\u5c24\u5176\u662f\u7528\u6765\u505a\u666e\u901a\u7684\u5e03\u5c40\uff0c\u8fd9\u53ef\u771f\u662f\u62ff\u780d\u5200\u524a\u6307\u7532\uff0c\u505a\u7740\u5371\u9669\u7684\u6d3b\u513f\u554a\u3002<\/p>\n
\u4e3e\u4e2a\u66f4\u5bb9\u6613\u7406\u89e3\u7684\u4f8b\u5b50\u5427\u3002\u6211\u4eec\u90fd\u77e5\u9053\u978b\u5b50\u662f\u7528\u6765\u7a7f\u7684\u3002\u4f46\u662f\uff0c\u5b83\u8fd8\u6709\u5176\u4ed6\u529f\u80fd\uff0c\u6bd4\u5982\u8bf4\u653b\u51fb\u6b66\u5668\uff0c\u4f8b\u5982\u5acc\u5c0f\u5e03\u4ec0\u53f0\u4e0a\u8bb2\u8bdd\u8bed\u901f\u592a\u5feb\u8ddf\u4e0d\u4e0a\uff0c\u542c\u4e0d\u61c2\uff0c\u4f60\u5c31\u53ef\u4ee5\u63b7\u51fa\u4f60\u7684\u98de\u978b\u63d0\u9192\u4ed6\u964d\u4f4e\u8bed\u901f\u3002\u5f88\u663e\u7136\uff0c\u867d\u7136\u978b\u5b50\u6709\u505a\u6b66\u5668\u8fd9\u4e2a\u7279\u6b8a\u529f\u80fd\uff0c\u4f60\u662f\u4e0d\u4f1a\u53bb\u6dd8\u5b9d\u4e0a\u4e70\u4e2a\u767e\u516b\u5341\u53cc\u978b\u5b50\uff0c\u4e13\u95e8\u7528\u6765\u6254\u4eba\u7684\u5427\uff01absolute<\/code>\u5c5e\u6027\u7684\u4f7f\u7528\u4e00\u4e2a\u9053\u7406\u3002<\/p>\n
\u4e0b\u96c6\u770b\u70b9<\/h4>\n
\u4e0b\u96c6\u5185\u5bb9\u8fd8\u662f\u8bb2absolute<\/code>\u5b9a\u4f4d\uff0c\u591a\u5b9e\u4f8b\u4e0e\u5b9e\u8df5\u3002\u5185\u5bb9\u5927\u81f4\u6709\uff1a
\n\u666e\u901aabsolute<\/code>\u5e03\u5c40\u7684\u66ff\u4ee3\u5b9e\u73b0\u65b9\u6848\uff1b
\nbody<\/code>\u6807\u7b7e\u662fabsolute<\/code>\u81ea\u7531\u7684\u6d77\u6d0b\uff1b
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