{"id":3794,"date":"2013-11-19T19:29:44","date_gmt":"2013-11-19T11:29:44","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=3794"},"modified":"2017-02-18T23:14:38","modified_gmt":"2017-02-18T15:14:38","slug":"margin-auto-absolute-%e7%bb%9d%e5%af%b9%e5%ae%9a%e4%bd%8d-%e6%b0%b4%e5%b9%b3%e5%9e%82%e7%9b%b4%e5%b1%85%e4%b8%ad","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2013\/11\/margin-auto-absolute-%e7%bb%9d%e5%af%b9%e5%ae%9a%e4%bd%8d-%e6%b0%b4%e5%b9%b3%e5%9e%82%e7%9b%b4%e5%b1%85%e4%b8%ad\/","title":{"rendered":"\u5c0ftip: margin:auto\u5b9e\u73b0\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\u7684\u6c34\u5e73\u5782\u76f4\u5c45\u4e2d"},"content":{"rendered":"

by zhangxinxu<\/a> from http:\/\/www.zhangxinxu.com<\/a>
\n\u672c\u6587\u5730\u5740\uff1ahttp:\/\/www.zhangxinxu.com\/wordpress\/?p=3794<\/a><\/p>\n

\u4e00\u3001\u60a0\u60a0\u54c9\u54c9\u8bf4\u70b9\u4ec0\u4e48<\/h3>\n

\u672c\u6765\u6211\u6709\u4e2a\u5f88\u597d\u7684\u8ba1\u5212\uff0c\u5c31\u662f\u672c\u6587\u7528\u6f2b\u753b\u6765\u5199\uff0c\u628a\u8bdd\u75e8\u7684\u706b\u5f71\u6f2b\u753b\u7684\u6587\u5b57\u91cd\u65b0\u62b9\u6389\uff0c\u7136\u540e\u586b\u672c\u6587\u76f8\u5173\u7684\u6280\u672f\u6587\u5b57 \u3002<\/p>\n

\u54c8\uff0c\u662f\u4e0d\u662f\u5f88\u597d\u554a\uff01\u4f46\u662f\uff0c\u60f3\u5230\u4e86\u4e00\u4e2a\u6b8b\u9177\u7684\u73b0\u5b9e\u2014\u2014\u6d41\u91cf\uff0c\u6211\u4e00\u4e2a\u6708\u53ea\u670930G\u6d41\u91cf\uff0c\u51e0\u4e4e\u6708\u6708\u7206\u68da\uff0c\u8981\u662f\u8fd9\u91cc\u5168\u90e8\u7528\u706b\u5f71\u7684\u56fe\u7247\u8981\u5b9e\u73b0\uff0c\u9875\u9762\u6ca1\u4e2a1M\u641e\u4e0d\u4e0b\u6765\u54c8~\uff0c\u6587\u7ae0\u8981\u662f3000\u8bbf\u95ee\uff0c\u5c31\u5dee\u4e0d\u591a3G\uff0c\u5929\u54ea\uff0c\u6211\u8868\u793a\u538b\u529b\u5f88\u5927\u3002\u4e8e\u662f\uff0c\u6211\u51b3\u5b9a\u8fd8\u662f\u4e2d\u89c4\u4e2d\u77e9\u7528\u6587\u5b57\u52a0\u4e00\u4e24\u5c0f\u622a\u56fe\u8868\u793a\u4e0b\u5427~<\/p>\n

\"\u9e23\u4eba\u541b\u5bf9\u535a\u4e3b\u7684\u7ef4\u62a4\u53e3\u76fe<\/p>\n

\u4e8c\u3001\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\u7684\u5c45\u4e2d\u5b9e\u73b0<\/h3>\n

\u5982\u679c\u8981\u95ee\u5982\u4f55CSS\u5b9e\u73b0\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\u7684\u5c45\u4e2d\u6548\u679c\uff0c\u5f88\u591a\u4eba\u5fc3\u91cc\u5df2\u7ecf\u6709\u7b54\u6848\u4e86\u3002<\/p>\n

\u517c\u5bb9\u6027\u4e0d\u9519\u7684\u4e3b\u6d41\u7528\u6cd5\u662f\uff1a<\/p>\n

\n
.element {\n    width: 600px; height: 400px;\n    position: absolute; left: 50%; top: 50%;\n    margin-top: -200px;    \/* \u9ad8\u5ea6\u7684\u4e00\u534a *\/<\/span>\n    margin-left: -300px;    \/* \u5bbd\u5ea6\u7684\u4e00\u534a *\/<\/span>\n}<\/pre>\n<\/div>\n
\u4f46\uff0c\u8fd9\u79cd\u65b9\u6cd5\u6709\u4e00\u4e2a\u5f88\u660e\u663e\u7684\u4e0d\u8db3\uff0c\u5c31\u662f\u9700\u8981\u63d0\u524d\u77e5\u9053\u5143\u7d20\u7684\u5c3a\u5bf8\u3002\u5426\u5219margin<\/code>\u8d1f\u503c\u7684\u8c03\u6574\u65e0\u6cd5\u7cbe\u786e\u3002\u6b64\u65f6\uff0c\u5f80\u5f80\u8981\u501f\u52a9JS\u83b7\u5f97\u3002<\/p>\n
CSS3\u7684\u5174\u8d77\uff0c\u4f7f\u5f97\u6709\u4e86\u66f4\u597d\u7684\u89e3\u51b3\u65b9\u6cd5\uff0c\u5c31\u662f\u4f7f\u7528transform<\/code>\u4ee3\u66ffmargin<\/code>. transform<\/code>\u4e2dtranslate<\/code>\u504f\u79fb\u7684\u767e\u5206\u6bd4\u503c\u662f\u76f8\u5bf9\u4e8e\u81ea\u8eab\u5927\u5c0f\u7684\uff0c\u4e8e\u662f\uff0c\u6211\u4eec\u53ef\u4ee5\uff1a<\/p>\n
\n
.element {\n    width: 600px; height: 400px;\n    position: absolute; left: 50%; top: 50%;\n    transform: translate(-50%, -50%);    \/* 50%\u4e3a\u81ea\u8eab\u5c3a\u5bf8\u7684\u4e00\u534a *\/<\/span>\n}<\/pre>\n<\/div>\n
\u4e8e\u662f\u4e4e\uff0c\u65e0\u8bba\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\u7684\u5c3a\u5bf8\u662f\u591a\u5c11\uff0c\u5176\u90fd\u662f\u6c34\u5e73\u5782\u76f4\u5c45\u4e2d\u663e\u793a\u7684\u3002<\/p>\n
\u7136\uff0c\u95ee\u9898\u5f88\u660e\u663e\uff0c\u517c\u5bb9\u6027\u4e0d\u597d\u3002IE10+\u4ee5\u53ca\u5176\u4ed6\u73b0\u4ee3\u6d4f\u89c8\u5668\u624d\u652f\u6301<\/del>, IE9(-ms-), IE10+\u4ee5\u53ca\u5176\u4ed6\u73b0\u4ee3\u6d4f\u89c8\u5668\u624d\u652f\u6301\u3002\u4e2d\u56fd\u76db\u884c\u7684IE8\u6d4f\u89c8\u5668\u88ab\u5ffd\u7565\u662f\u6709\u4e9b\u4e0d\u9002\u5b9c\u7684\uff08\u624b\u673aweb\u5f00\u53d1\u53ef\u5ffd\u7565\uff09\u3002<\/p>\n
\u5b9e\u9645\u4e0a\uff0c\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\u7684\u5c45\u4e2d\u5b9e\u73b0\u8fd8\u6709\u53e6\u5916\u4e00\u79cd\u65b9\u6cd5\uff0c\u53ef\u4ee5\u8bf4\u662f\u6743\u8861\u4e86\u4e0a\u9762\u7684\u5c3a\u5bf8\u81ea\u9002\u5e94\u4ee5\u53ca\u517c\u5bb9\u6027\u7684\u4e00\u4e2a\u65b9\u6848\uff0c\u5176\u5b9e\u73b0\u7684\u6838\u5fc3\u662fmargin:auto<\/code>.<\/p>\n
\u4e09\u3001margin:auto\u5b9e\u73b0\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\u7684\u5c45\u4e2d<\/h3>\n
\u9996\u5148\uff0c\u6211\u4eec\u6765\u770b\u4e0bCSS\u4ee3\u7801\uff1a<\/p>\n
\n
.element {\n    width: 600px; height: 400px;\n    position: absolute; left: 0; top: 0; right: 0; bottom: 0;\n    margin: auto;    \/* \u6709\u4e86\u8fd9\u4e2a\u5c31\u81ea\u52a8\u5c45\u4e2d\u4e86 *\/<\/span>\n}<\/pre>\n<\/div>\n
\u4ee3\u7801\u4e24\u4e2a\u5173\u952e\u70b9\uff1a<\/p>\n
    \n
  1. \u4e0a\u4e0b\u5de6\u53f3\u57470<\/code>\u4f4d\u7f6e\u5b9a\u4f4d\uff1b<\/li>\n
  2. margin: auto<\/code><\/li>\n<\/ol>\n
    \u4e8e\u662f\uff0c\u5c31\u5c45\u4e2d\u4e86\u3002\u4e0a\u9762\u4ee3\u7801\u7684width: 600px<\/code> height: 400px<\/code>\u4ec5\u662f\u793a\u610f\uff0c\u4f60\u4fee\u6539\u4e3a\u5176\u4ed6\u5c3a\u5bf8\uff0c\u6216\u8005\u4e0d\u8bbe\u7f6e\u5c3a\u5bf8\uff08\u9700\u8981\u662f\u56fe\u7247\u8fd9\u79cd\u81ea\u8eab\u5305\u542b\u5c3a\u5bf8\u7684\u5143\u7d20\uff09\uff0c\u90fd\u662f\u5c45\u4e2d\u663e\u793a\u7684\u3002\u5f88\u6709\u610f\u601d\u7684~~<\/p>\n
    \u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1amargin:auto\u4e0e\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\u7684\u5782\u76f4\u5c45\u4e2ddemo<\/a><\/p>\n
    \"\u70b9\u51fbdemo\u4e2d\u95f4\u7684\u6309\u94ae\"<\/p>\n
    \u70b9\u51fbdemo\u9875\u9762\u4e2d\u95f4\u7684\u6309\u94ae\uff0c\u8ba9\u539f\u672cstatic<\/code>\u7684\u6846\u6846absolute<\/code>\u5316\uff0c\u53ef\u4ee5\u53d1\u73b0\u5176\u662f\u6c34\u5e73\u5782\u76f4\u5c45\u4e2d\u7684\u3002<\/p>\n
    \u4e0d\u77e5\u8bf8\u4f4d\u65b0\u6280\u80fdget\u5426\uff1f<\/p>\n
    \u5bf9\u4e86\uff0c\u8be5\u65b9\u6cd5IE8+\u4ee5\u53ca\u5176\u4ed6\u6d4f\u89c8\u5668\u90fd\u662fOK\u7684\u3002<\/p>\n
    \"8-10\u6708\u4efd\u6d4f\u89c8\u5668\u7684\u4f7f\u7528\u6bd4\u4f8b\"<\/p>\n
    \u4e0a\u56fe\u4e3a8~10\u6708\u4efd\uff0c\u767e\u5ea6\u6d41\u91cf\u7edf\u8ba1\u5458\u7ed9\u51fa\u7684\u6d4f\u89c8\u5668\u8bbf\u95ee\u6570\u636e\u3002IE6+IE7\u5927\u698214%\u7684\u6837\u5b50\u3002\u663e\u7136\uff0c\u5f88\u5feb\uff0c\u6b64\u65b9\u6cd5\u5c31\u8981\u5f00\u59cb\u79f0\u9738PC\u6b66\u6797\u4e86\uff01<\/p>\n
    \u4e09\u3001\u60a0\u60a0\u54c9\u54c9\u518d\u8bf4\u70b9\u4ec0\u4e48<\/h3>\n
    \u53ef\u80fd\u6709\u4eba\u4f1a\u95ee\uff0c\u4e3a\u4f55margin: auto;<\/code>\u4f1a\u8ba9\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\u5c45\u4e2d\u4e86\u5462\uff1f\u54c8\u54c8\uff0c\u539f\u56e0\u662f\u2026\u2026\u2026\u2026\u2026\u2026
    \n.
    \n.
    \n.
    \n.
    \n\u6211\u4e5f\u4e0d\u77e5\u9053\uff01<\/p>\n
    \u53ef\u80fd\u9700\u8981\u67e5\u8be2\u89c4\u8303\u5bfb\u627e\u4e00\u4e9b\u7ebf\u7d22\u3002\u4f46\uff0c\u5f85\u4f1a\u513f\u6211\u8fd8\u6709\u7bee\u7403\u6bd4\u8d5b\uff0c\u6055\u6211\u6ca1\u6709\u8db3\u591f\u7cbe\u529b\u53bb\u6df1\u5165\u3002\u6b22\u8fce\u6709\u76f8\u5173\u7814\u7a76\u7684\u8fbe\u4eba\u5206\u4eab\u5176\u5185\u90e8\u673a\u5236\u539f\u7406\uff0c\u4e0d\u751a\u611f\u8c22\uff01<\/p>\n
    \u66f4\u65b0\u4e8e2017\u5e742\u670818\u65e5<\/strong>
    \n\u4eca\u5929\u6b63\u597d\u6709\u770b\u5230\u81ea\u5df1\u7684\u8fd9\u7bc7\u6587\u7ae0\uff0c\u6211\u66f4\u65b0\u4e0b\u539f\u56e0\u5427\uff01<\/p>\n
    \u5f53\u4e00\u4e2a\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\uff0c\u5176\u5bf9\u7acb\u5b9a\u4f4d\u65b9\u5411\u5c5e\u6027\u540c\u65f6\u6709\u5177\u4f53\u5b9a\u4f4d\u6570\u503c\u7684\u65f6\u5019\uff0c\u6d41\u4f53\u7279\u6027\u5c31\u53d1\u751f\u4e86\uff0c\u4f8b\u5982\uff1a<\/p>\n
    <div class=\"box\"><\/div><\/pre>\n
    .box {\n  position: absolute;\n  left: 0; right: 0;\n}<\/pre>\n
    \u5982\u679c\u53ea\u6709left<\/code>\u5c5e\u6027\u6216\u8005\u53ea\u6709right<\/code>\u5c5e\u6027\uff0c\u5219\u7531\u4e8e\u5305\u88f9\u6027\u6b64\u65f6.box<\/code>\u5bbd\u5ea6\u662f0<\/code>\u3002\u4f46\u662f\uff0c\u5728\u672c\u4f8b\u4e2d\uff0c\u56e0\u4e3aleft\/right<\/code>\u540c\u65f6\u5b58\u5728\uff0c\u56e0\u6b64\u5bbd\u5ea6\u5c31\u4e0d\u662f0<\/code>\uff0c\u800c\u662f\u81ea\u9002\u5e94\u4e8e.box<\/code>\u5305\u542b\u5757\u7684padding box<\/em><\/code>\u5bbd\u5ea6\uff0c\u4e5f\u5c31\u662f\u968f\u7740\u5305\u542b\u5757padding box<\/em><\/code>\u7684\u5bbd\u5ea6\u53d8\u5316\uff0c.box<\/code>\u7684\u5bbd\u5ea6\u4e5f\u4f1a\u8ddf\u7740\u4e00\u8d77\u53d8\u3002<\/p>\n
    \u5177\u6709\u6d41\u4f53\u7279\u6027\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\u7684margin:auto<\/code>\u7684\u586b\u5145\u89c4\u5219\u548c\u666e\u901a\u6d41\u4f53\u5143\u7d20\u4e00\u6a21\u4e00\u6837\uff1a<\/p>\n
      \n
    1. \u5982\u679c\u4e00\u4fa7\u5b9a\u503c\uff0c\u4e00\u4fa7auto<\/code>\uff0cauto<\/code>\u4e3a\u5269\u4f59\u7a7a\u95f4\u5927\u5c0f\uff1b<\/li>\n
    2. \u5982\u679c\u4e24\u4fa7\u5747\u662fauto<\/code>, \u5219\u5e73\u5206\u5269\u4f59\u7a7a\u95f4\uff1b<\/li>\n<\/ol>\n
      \uff1a<\/p>\n
      \u4f8b\u5982\uff0c\u4e0b\u9762\u7684CSS\u4ee3\u7801\uff1a<\/p>\n
      .father {\n    width: 300px; height:150px;\n    position: relative;\n}\n.son { \n    position: absolute; \n    top: 0; right: 0; bottom: 0; left: 0;\n}<\/pre>\n
      \u6b64\u65f6.son<\/code>\u8fd9\u4e2a\u5143\u7d20\u7684\u5c3a\u5bf8\u8868\u73b0\u4e3a\u201c\u683c\u5f0f\u5316\u5bbd\u5ea6\u548c\u683c\u5f0f\u5316\u9ad8\u5ea6\u201d\uff0c\u548c<div><\/code>\u7684\u201c\u6b63\u5e38\u6d41\u5bbd\u5ea6\u201d\u4e00\u6837\uff0c\u540c\u5c5e\u4e8e\u5916\u90e8\u5c3a\u5bf8\uff0c\u4e5f\u5c31\u662f\u5c3a\u5bf8\u81ea\u52a8\u586b\u5145\u7236\u7ea7\u5143\u7d20\u7684\u53ef\u7528\u5c3a\u5bf8\u7684\uff0c\u7136\u540e\uff0c\u6b64\u65f6\u6211\u4eec\u7ed9.son<\/code>\u8bbe\u7f6e\u5c3a\u5bf8\uff0c\u4f8b\u5982\uff1a<\/p>\n
      .son { \n    position: absolute; \n    top: 0; right: 0; bottom: 0; left: 0;\n    width: 200px; height: 100px;\n}<\/pre>\n
      \u6b64\u65f6\u5bbd\u9ad8\u88ab\u9650\u5236\uff0c\u539f\u672c\u5e94\u8be5\u586b\u5145\u7684\u7a7a\u95f4\u5c31\u88ab\u591a\u4f59\u4e86\u51fa\u6765\uff0c\u8fd9\u591a\u4f59\u7684\u7a7a\u95f4\u5c31\u662fmargin:auto<\/code>\u8ba1\u7b97\u7684\u7a7a\u95f4\uff0c\u56e0\u6b64\uff0c\u5982\u679c\u8fd9\u65f6\u5019\uff0c\u6211\u4eec\u518d\u8bbe\u7f6e\u4e00\u4e2amargin:auto<\/code>\uff0c\u90a3\u4e48\uff1a<\/p>\n
      .son { \n    position: absolute; \n    top: 0; right: 0; bottom: 0; left: 0;\n    width: 200px; height: 100px;\n    margin: auto;\n}<\/pre>\n
      \u6211\u4eec\u8fd9\u4e2a.son<\/code>\u5143\u7d20\u5c31\u6c34\u5e73\u548c\u5782\u76f4\u65b9\u5411\u540c\u65f6\u5c45\u4e2d\u4e86\u3002\u56e0\u4e3a\uff0cauto<\/code>\u6b63\u597d\u628a\u4e0a\u4e0b\u5de6\u53f3\u5269\u4f59\u7a7a\u95f4\u5168\u90e8\u7b49\u5206\u4e86\uff0c\u81ea\u7136\u5c31\u5c45\u4e2d\u5566\uff01<\/p>\n
      \/\/ zxx: \u66f4\u65b0end—-<\/span><\/p>\n
      \u6b22\u8fce\u8ba8\u8bba\uff0c\u6b22\u8fce\u4ea4\u6d41\u3002<\/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\uff1a      http:\/\/www.zhangxinxu.com\/wordpress\/?p=3794<\/a><\/p>\n
      \uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"
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