{"id":2124,"date":"2011-12-27T00:21:39","date_gmt":"2011-12-26T16:21:39","guid":{"rendered":"http:\/\/www.zhangxinxu.com\/wordpress\/?p=2124"},"modified":"2018-01-02T01:06:51","modified_gmt":"2018-01-01T17:06:51","slug":"position-absolute-text-align-center","status":"publish","type":"post","link":"https:\/\/www.zhangxinxu.com\/wordpress\/2011\/12\/position-absolute-text-align-center\/","title":{"rendered":"absolute\u5143\u7d20\u5728text-align\u5c5e\u6027\u4e0b\u7684\u5bf9\u9f50\u663e\u793a"},"content":{"rendered":"<p>by <a href=\"http:\/\/www.zhangxinxu.com\/\">zhangxinxu<\/a> from <a href=\"http:\/\/www.zhangxinxu.com\/\">http:\/\/www.zhangxinxu.com<\/a><br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=2124\">http:\/\/www.zhangxinxu.com\/wordpress\/?p=2124<\/a><\/p>\n<style>.box_2124 { height: 190px; background-color:#f0f3f9; text-align: center; }.box_2124 img { margin-left: -128px; position: absolute; }<\/style>\n<h3>\u4e00\u3001absolute\u5143\u7d20\u662f\u5426\u53ef\u4ee5\u54cd\u5e94text-align\u5c5e\u6027\uff1f<\/h3>\n<p>\u4f17\u6240\u5468\u77e5\uff0c<code>text-align<\/code>\u5c5e\u6027\u53ef\u4ee5\u6709\u6548\u4f5c\u7528\u4e8e<code>inline\/inline-block<\/code>\u6c34\u5e73\u7684\u5143\u7d20\uff0c\u90a3\u4e48\u5e94\u7528\u4e86<code>position:absloute\/fixed<\/code>\u58f0\u660e\u7684\u5143\u7d20\u5462\uff1f<\/p>\n<p>OK\uff0c\u5b9e\u4f8b\u8bf4\u8bdd\uff0c\u5982\u4e0b\u6548\u679c\uff1a<span class=\"s\">\/\/zxx:\u5982\u679c\u60a8\u5728RSS\u9605\u8bfb\u5668\u4e2d\u6216\u662f\u5176\u4ed6\u5730\u65b9\u67e5\u770b\u672c\u6587\uff0c\u53ef\u80fd\u770b\u4e0d\u5230\u6548\u679c\uff0c\u60a8\u53ef\u4ee5\u70b9\u51fb<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=2124\">\u8fd9\u91cc<\/a>\u8bbf\u95ee\u67e5\u770b<\/span><\/p>\n<div class=\"box_2124\">&nbsp;<img decoding=\"async\" src=\"http:\/\/image.zhangxinxu.com\/image\/study\/s\/s256\/mm1.jpg\" \/><\/div>\n<p>\u4e0a\u9762\u6548\u679c\u4e2d\u7684\u56fe\u7247\u5c31\u662f\u5e94\u7528\u4e86<code>position: absolute;<\/code>\u58f0\u660e\uff0c\u800c\u5916\u90e8box\u6dfb\u52a0\u4e86<code>text-align: center;<\/code>\u58f0\u660e\u3002<\/p>\n<p>\u6839\u636e\u8fd9\u4e2a\u6548\u679c\uff0c\u6211\u4eec\u53ef\u4ee5\u8ba4\u5b9a<code>text-align<\/code>\u5c5e\u6027\u53ef\u4ee5\u6709\u6548\u4f5c\u7528\u4e8e\u5e94\u7528\u4e86<code>position:absloute\/fixed<\/code>\u58f0\u660e\u7684\u5143\u7d20\uff0c\u4e3a\u4ec0\u4e48\u5462\uff1f\u8fd9\u4e0d\u79c3\u5b50\u5934\u4e0a\u7684\u8671\u5b50\u2014\u2014\u660e\u6446\u7740\u561b\uff01\u56e0\u4e3a\u7236\u6807\u7b7e\u5e94\u7528\u4e86<code>text-align: center;<\/code>\uff0c\u6240\u4ee5\u56fe\u7247\u624d\u53ef\u4ee5\u5c45\u4e2d\u663e\u793a\u7684\u554a\uff0c\u8fd9\u4e0d\u8bf4\u660e\u4e86\u4e00\u5207\u4e86\u5417\uff01<\/p>\n<p>\u4f46\u662f\uff0c\u5b9e\u9645\u4e0a\uff0c<strong><code>text-align<\/code>\u5c5e\u6027\u5bf9\u5e94\u7528\u4e86<code>position:absloute\/fixed<\/code>\u58f0\u660e\u7684\u5143\u7d20<span style=\"color:#cd0000;\">\u65e0\u6548<\/span>\uff01<\/strong><\/p>\n<p>\u54e6\uff1f\u60f3\u5fc5\u6709\u4eba\u4f1a\u7591\u95ee\uff1a\u90a3\u4e3a\u4f55\u4e0a\u9762\u8fd9\u4e2a\u4f8b\u5b50\u5e94\u7528\u4e86\u7edd\u5bf9\u5b9a\u4f4d\u5c5e\u6027\u7684\u56fe\u7247\u5c45\u4e2d\u663e\u793a\u4e86\uff0c\u800c\u4e14\uff0c\u6bcf\u4e2a\u6d4f\u89c8\u5668\u4e0b\u90fd\u662f\u201c\u5c45\u4e2d\u201d\u7684\uff1f<\/p>\n<p>\u4e0d\u6025\uff0c\u6162\u6162\u89e3\u7b54\u3002<\/p>\n<h3>\u4e8c\u3001\u4f60\u9700\u8981\u4e8b\u5148\u77e5\u9053\u7684<\/h3>\n<p>\u5373\u5c06\u5c55\u5f00\u7684\u89e3\u91ca\u53ef\u80fd\u6709\u4e9b\u96be\u5ea6\uff0c\u4e00\u4e9b\u4e0e\u7edd\u5bf9\u5b9a\u4f4d\u5143\u7d20\u7406\u89e3\u4e0d\u591f\u7684\u4eba\u53ef\u4ee5\u5148\u4ed4\u7ec6\u770b\u770b\u6211\u4e4b\u524d\u7684\u8fd9\u7bc7\u6587\u7ae0\u201c<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=1330\">CSS \u76f8\u5bf9\/\u7edd\u5bf9(relative\/absolute)\u5b9a\u4f4d\u7cfb\u5217\uff08\u4e8c\uff09<\/a>\u201d\u4ee5\u53ca\u5176\u4ed6\u540c\u7cfb\u5217\u6587\u7ae0\u3002<\/p>\n<h3>\u4e09\u3001\u4e00\u4e9b\u73b0\u8c61<\/h3>\n<p><strong>1. text-align\u4e0eblock\u6c34\u5e73\u6807\u7b7eabsolute\u5143\u7d20<\/strong><br \/>\n\u5982\u4e0bCSS\u4ee3\u7801\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>.test { \n    height: 190px;\n    text-align: center;\n    background-color: #f0f3f9;\n}\n.abs {\n    position: absolute;\n}<\/pre>\n<\/div>\n<p>\u5982\u4e0bHTML\u4ee3\u7801\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>&lt;div class=\"test\">\n    &lt;div class=\"abs\">&lt;img src=\"mm1.jpg\" \/>&lt;\/div>\n&lt;\/div><\/pre>\n<\/div>\n<p>\u7ed3\u679c\u5728IE6\/IE7\u6d4f\u89c8\u5668\u4e0b\u56fe\u7247\u5de6\u4fa7\u9876\u7740\u5916\u90e8box\u7684\u4e2d\u95f4\u663e\u793a\uff0c\u800c\u5176\u4ed6\u6d4f\u89c8\u5668\u5b8c\u5168\u9760\u5de6\u663e\u793a\uff0c\u5982\u4e0b\u622a\u56fe\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" alt=\"IE7\u6d4f\u89c8\u5668\u4e0bblock\u6c34\u5e73\u7684absolute\u5143\u7d20\u9876\u7740\u4e2d\u95f4\u663e\u793a \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201112\/2011-12-26_225811.png\" title=\"IE7\u6d4f\u89c8\u5668\u4e0bblock\u6c34\u5e73\u7684absolute\u5143\u7d20\u9876\u7740\u4e2d\u95f4\u663e\u793a \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" class=\"alignnone\" width=\"514\" height=\"180\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" alt=\"IE9\u6d4f\u89c8\u5668\u4e0b\u7684block\u6c34\u5e73absolute\u5143\u7d20\u7684\u663e\u793a \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201112\/2011-12-26_225848.png\" title=\"IE9\u6d4f\u89c8\u5668\u4e0b\u7684block\u6c34\u5e73absolute\u5143\u7d20\u7684\u663e\u793a \" class=\"alignnone\" width=\"513\" height=\"161\" \/><\/p>\n<p>\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a<a class=\"a_link\" target=\"_blank\" href=\"http:\/\/www.zhangxinxu.com\/study\/201112\/text-align-center-block-tag-absolute-element.html\">text-align\u4e0eblock\u6c34\u5e73\u6807\u7b7eabsolute\u5143\u7d20demo<\/a><\/p>\n<p>\u4e3a\u4f55\u4f1a\u6709\u8fd9\u79cd\u5dee\u5f02\u663e\u793a\uff1f<\/p>\n<p><strong>2.  text-align\u4e0einline\u6c34\u5e73\u6807\u7b7eabsolute\u5143\u7d20<\/strong><br \/>\n\u5982\u4e0bCSS\u4ee3\u7801\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>.test { \n    height: 190px;\n    text-align: center;\n    background-color: #f0f3f9;\n}\n.abs {\n    position: absolute;\n}<\/pre>\n<\/div>\n<p>\u5982\u4e0bHTML\u4ee3\u7801\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>&lt;div class=\"test\">\n    &lt;img src=\"mm1.jpg\" class=\"abs\" \/>\n&lt;\/div><\/pre>\n<\/div>\n<p>\u7ed3\u679c\u5728IE6\/7\u6d4f\u89c8\u5668\u4ee5\u53caFireFox8\uff0cChrome\u6d4f\u89c8\u5668\uff08\u65e9\u4e9b\u7248\u672cOpera\uff0cChrome\u4e5f\u662f\u5c45\u5de6\uff09\u4e0b\uff0c\u65e0\u7248\u6743\u5c0f\u59d0\u7684\u7167\u7247\u9760\u7740\u4e2d\u7ebf\u5bf9\u9f50\u663e\u793a\uff0c\u800c\u5176\u4ed6IE8+\u90fd\u662f\u5de6\u8fb9\u663e\u793a\uff0c\u5982\u4e0b\u622a\u56fe\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"FireFox8\u4e0b\u7684\u4e2d\u95f4\u5bf9\u9f50\u663e\u793a \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201112\/2011-12-26_230914.png\" title=\"FireFox8\u4e0b\u7684\u4e2d\u95f4\u5bf9\u9f50\u663e\u793a\" class=\"alignnone\" width=\"513\" height=\"165\" \/><br \/>\n<img loading=\"lazy\" decoding=\"async\" alt=\"Opera\u6d4f\u89c8\u5668\u4e0binline\u6c34\u5e73\u7684absolute\u5143\u7d20\u7684\u5c45\u4e2d\u663e\u793a\u6548\u679c \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201112\/2011-12-26_231011.png\" title=\"Opera\u6d4f\u89c8\u5668\u4e0binline\u6c34\u5e73\u7684absolute\u5143\u7d20\u7684\u5c45\u4e2d\u663e\u793a\u6548\u679c \" class=\"alignnone\" width=\"512\" height=\"161\" \/><\/p>\n<p>\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a<a class=\"a_link\" target=\"_blank\" href=\"http:\/\/www.zhangxinxu.com\/study\/201112\/text-align-center-inline-tag-absolute-element.html\">text-align\u4e0einline\u6c34\u5e73\u6807\u7b7eabsolute\u5143\u7d20demo<\/a><\/p>\n<p>\u4e3a\u4f55\u4f1a\u6709\u8fd9\u79cd\u663e\u793a\u7684\u5dee\u5f02\uff1f<\/p>\n<h3>\u56db\u3001\u6837\u5f0f\u8868\u73b0\u89e3\u91ca<\/h3>\n<p> \u5728<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=1330\">\u7edd\u5bf9\u5b9a\u4f4d\u7cfb\u5217\uff08\u4e8c\uff09<\/a>\u4e2d\u591a\u6b21\u63d0\u5230\uff0c\u6ca1\u6709\u5e94\u7528left\/top\u7b49\u5c5e\u6027\u503c\u7684absolute\u5143\u7d20\u5c31\u662f\u4e2a\u4e0d\u5360\u636e\u7a7a\u95f4\u7684\u666e\u901a\u5143\u7d20\uff0c\u5982\u679c\u662fblock\u6c34\u5e73\u7684\uff0c\u6362\u884c\u663e\u793a\uff1b\u5982\u679c\u662finline\u6c34\u5e73\u7684\uff0c\u8ddf\u5728\u524d\u9762\u7684\u6587\u5b57\u540e\u9762\u663e\u793a\u3002\u77e5\u9053\u4e86\u8fd9\u4e2a\uff0c\u4e00\u5207\u90fd\u5f88\u597d\u7406\u89e3\u4e86\u3002<\/p>\n<p><strong>1. \u4e3a\u4f55\u56fe\u7247\u5c45\u4e2d\u5782\u7ebf\u5de6\u5bf9\u9f50\u663e\u793a\uff1f<\/strong><br \/>\n\u62ffpart3\u4e2d\u7b2c\u4e8c\u4e2a\u4f8b\u5b50\u4e3e\u4f8b\uff0c\u5728FireFox 8\u4e0b\uff0c\u65e0\u7248\u6743\u5c0f\u59d0\u7684\u56fe\u7247\u5de6\u4fa7\u6cbf\u7740\u5bb9\u5668\u4e2d\u5782\u7ebf\u5bf9\u9f50\u663e\u793a\uff0c\u4e3a\u4f55\uff1f\u60f3\u77e5\u9053\u7b54\u6848\u5f88\u7b80\u5355\uff0c\u6211\u4eec\u5728img\u6807\u7b7e\u524d\u9762\u968f\u4fbf\u52a0\u51e0\u4e2a\u6587\u5b57\uff0c\u4f8b\u5982\u201c\u5706\u86cb\u201d\uff0c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"\u6dfb\u52a0\u201c\u5706\u86cb\u201d\u6587\u5b57\u540eFireFox8\u6d4f\u89c8\u5668\u4e0b\u7684\u8868\u73b0 \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201112\/2011-12-26_233350.png\" title=\"\u6dfb\u52a0\u201c\u5706\u86cb\u201d\u6587\u5b57\u540eFireFox8\u6d4f\u89c8\u5668\u4e0b\u7684\u8868\u73b0 \" class=\"alignnone\" width=\"513\" height=\"157\" \/><\/p>\n<p>\u54e6\u5475\u5475\uff0c\u4e8b\u60c5\u4e00\u4e0b\u5b50\u597d\u7406\u89e3\u4e86\uff1a<strong>text-align\u5c5e\u6027\u4f5c\u7528\u7684\u4e0d\u662fabsolute\u5143\u7d20\uff0c\u800c\u662fabsolute\u5143\u7d20\u4e4b\u524d\u7684\u6587\u5b57\u800c\u5df2\uff01<\/strong><\/p>\n<p>\u5728FireFox\u6d4f\u89c8\u5668\uff0c\u4ee5\u53ca\u8c8c\u4f3cIE6\/IE7\u4e0b\uff0c\u6807\u7b7e\u5185\u4f3c\u4e4e\u6709\u4e0d\u5360\u636e\u4efb\u4f55\u7a7a\u95f4\u7684\u533f\u540d\u6587\u5b57\u8282\u70b9\u5143\u7d20\uff0c\u4e8e\u662f\uff0c\u56fe\u7247\u5c31\u8ddf\u5728\u8fd9\u4e2a\u201c\u9690\u5f62\u201d\u7684\u8282\u70b9\u5143\u7d20\u4e4b\u540e\u663e\u793a\uff0c\u800c\u8fd9\u4e2a\u8282\u70b9\u56e0\u4e3a\u7531\u4e8e\u53d7<code>text-align:center;<\/code>\u58f0\u660e\u5f71\u54cd\u5c45\u4e2d\u663e\u793a\u4e86\uff0c\u4e8e\u662f\uff0c\u7d27\u8ddf\u5176\u540e\u7684inline\u6c34\u5e73\u7684\u56fe\u7247\u5143\u7d20\u5c31\u5bf9\u7740\u4e2d\u5782\u7ebf\u663e\u793a\u4e86\uff01<\/p>\n<p>\u800c\u5176\u4ed6\u6d4f\u89c8\u5668\uff0c\u5982Chrome\u6d4f\u89c8\u5668\uff0c\u6807\u7b7e\u5185\u8c8c\u4f3c\u5f88\u5e72\u51c0\uff0c\u56e0\u4e3a\u5e94\u7528\u4e86absolute\u5c5e\u6027\u503c\u7684\u56fe\u7247\u524d\u9762\u6ca1\u6709\u53ef\u4ee5\u4f9d\u9760\u7684\u5143\u7d20\uff0c\u56e0\u6b64\uff0c\u5de6\u5bf9\u9f50\u663e\u793a\u4e86\u3002<\/p>\n<p><strong>2. \u4e3a\u4f55IE6\/IE7 block\u6c34\u5e73\u6807\u7b7e\u5143\u7d20\u4e5f\u5c45\u4e2d\u663e\u793a\uff1f<\/strong><br \/>\n\u8fd9\u4e2a\u95ee\u9898\u5176\u5b9e\u5728<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=1528\">\u7edd\u5bf9\u5b9a\u4f4d\u7cfb\u5217\uff08\u4e09\uff09<\/a>\u505a\u8fc7\u89e3\u7b54\u4e86\uff08\u53c2\u89c1\u201cabsolute\u5c5e\u6027\u4e0eIE6\/IE7\u4e4b\u95f4\u7684\u8bef\u4f1a\u201d\u90e8\u5206\uff09\u3002<\/p>\n<p>IE6\/IE7\u4f3c\u4e4e\u6ca1\u6709\u6807\u7b7elevel\u7684\u6982\u5ff5\uff0c\u65e0\u8bba\u662finline\u6c34\u5e73\u5143\u7d20\uff0c\u8fd8\u662fblock\u6c34\u5e73\u7684\u5143\u7d20\uff0c\u4e00\u65e6\u5e94\u7528\u4e86<code>position: absolute;<\/code>\u90fd\u6e32\u67d3\u6210\u4e86\u7c7b\u4f3c<code>inline<\/code>\u6c34\u5e73\u5143\u7d20\u3002\u56e0\u6b64\uff0cpart3 \u4e2d\u7b2c\u4e00\u4e2a\u4f8b\u5b50\u4e2dIE6\/IE7\u4f1a\u4e2d\u7ebf\u5bf9\u9f50\u663e\u793a\u3002\u8fd9\u662fIE6\/7\u6e32\u67d3bug\u6240\u81f4\uff01<\/p>\n<h3>\u516d\u3001\u9a8c\u8bc1<\/h3>\n<p>\u4e0a\u9762\u7684\u89e3\u91ca\u8c8c\u4f3c\u8bf4\u5f97\u901a\uff0c\u6700\u597d\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a\u4f8b\u5b50\u8bc1\u660e\u5c31\u597d\u4e86\uff0c\u597d\uff0c\u60a8\u73b0\u5728\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a<a class=\"a_link\" target=\"_blank\" href=\"http:\/\/www.zhangxinxu.com\/study\/201112\/element-absolute-text-align-center.html\">absolute\u5143\u7d20\u5bf9\u9f50\u4e0etext-align\u5c5e\u6027\u65e0\u76f4\u63a5\u5173\u7cfb\u9a8c\u8bc1demo<\/a><\/p>\n<p>\u6211\u4eec\u4f7f\u7528\uff0c\u4f8b\u5982<del datetime=\"2018-01-01T16:52:33+00:00\">Chrome\u6d4f\u89c8\u5668<\/del>\uff08Chrome\u5df2\u65e0\u6b64\u95ee\u9898\uff0c\u56e0\u6b64\uff0c\u8bf7\u6253\u5f00IE\u6d4f\u89c8\u5668\u67e5\u770b\u672cdemo\uff09\u6253\u5f00\u4e0a\u9762\u7684\u9875\u9762\uff0c\u4f1a\u53d1\u73b0\u56fe\u7247\u5de6\u5bf9\u9f50\u663e\u793a\u4e86\uff0c\u5982\u4e0b\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" alt=\"Chrome\u6d4f\u89c8\u5668\u4e0b\u7edd\u5bf9\u5b9a\u4f4d\u56fe\u7247\u5de6\u5bf9\u9f50\u6548\u679c \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201112\/2011-12-26_235703.png\" title=\"Chrome\u6d4f\u89c8\u5668\u4e0b\u7edd\u5bf9\u5b9a\u4f4d\u56fe\u7247\u5de6\u5bf9\u9f50\u6548\u679c\" class=\"alignnone\" width=\"514\" height=\"225\" \/><\/p>\n<p>\u70b9\u51fb\u56fe\u7247\u4e0b\u9762\u7684\u6309\u94ae\uff0c\u6211\u4eec\u5728\u56fe\u7247\u4e4b\u524d\u6dfb\u52a0\u4e2a\u5c0f\u5c0f\u7684<code>&amp;nbsp;<\/code>\uff0c\u7ed3\u679c\uff0c\u795e\u5947\u7684\u4e8b\u60c5\u53d1\u751f\u4e86\uff0c\u56fe\u7247\u4e00\u4e0b\u5b50\u6c34\u5e73\u201c\u5c45\u4e2d\u201d\u5bf9\u9f50\u663e\u793a\u4e86\uff0c\u5982\u4e0b\u7f29\u7565\u56fe\uff1a<br \/>\n<img loading=\"lazy\" decoding=\"async\" alt=\"\u6dfb\u52a0\u5c0f\u5c0f\u7a7a\u683c\u540eChrome\u6d4f\u89c8\u5668\u4e0b\u7684\u56fe\u7247\u5c45\u4e2d\u663e\u793a\u5566 \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201112\/2011-12-27_000020.png\" title=\"\u6dfb\u52a0\u5c0f\u5c0f\u7a7a\u683c\u540eChrome\u6d4f\u89c8\u5668\u4e0b\u7684\u56fe\u7247\u5c45\u4e2d\u663e\u793a\u5566\" class=\"alignnone\" width=\"514\" height=\"273\" \/><\/p>\n<p>\u8fd9\u5c31\u5145\u5206\u8bf4\u660e\u4e86\uff1atext-align\u5c5e\u6027\u867d\u7136\u53ef\u4ee5\u5b9e\u73b0absolute\u5143\u7d20\u7684\u6c34\u5e73\u5c45\u4e2d\u5bf9\u9f50\uff0c\u4f46\u662f\uff0c\u5e76\u4e0d\u662f\u76f4\u63a5\u5bf9absolute\u5143\u7d20\u8d77\u7684\u4f5c\u7528\uff0c\u800c\u662fabsolute\u5143\u7d20\u4e4b\u524d\u7684<code>inline\/inline-block<\/code>\u6c34\u5e73\u7684\u5143\u7d20\u3002<\/p>\n<p><strong>\u6ce8\uff1a<\/strong>\u56fe\u7247\u524d\u6253&#038;<code>&amp;nbsp;<\/code>\u7a7a\u683c\u5b9e\u9645\u4e0a\u4f1a\u4ea7\u751f3~4\u50cf\u7d20\u7684\u95f4\u8ddd\uff0c\u56fe\u7247\u5e76\u975e\u5b8c\u5168\u5c45\u4e2d\uff0c\u8981\u60f3\u66f4\u5c45\u4e2d\uff0cmargin-left\u7684\u8d1f\u503c\u5927\u5c0f\u5e94\u8be5\u662f<code>1\/2\u4e2a\u5143\u7d20\u5bbd\u5ea6 + 2\u50cf\u7d20<\/code>\u3002<\/p>\n<h3>\u4e03\u3001\u5e94\u7528\u4e0e\u5c40\u9650\u6027<\/h3>\n<p>\u5b9e\u73b0\u5143\u7d20\u7684\u6c34\u5e73\u5c45\u4e2d\uff0c\u6709\u4e2a\u5f88\u7ecf\u5178\u7684\u65b9\u6cd5\u5c31\u662f\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>.center { margin-left: -\"1\/2\u4e2a\u5143\u7d20\u5bbd\u5ea6\"; left: 50%; position: absolute; }<\/pre>\n<\/div>\n<p>\u4f46\u662f\uff0c\u6b64\u65b9\u6cd5\u9700\u8981\u7236\u5bb9\u5668\u662fbody\uff0c\u6216\u662f\u662f\u8bbe\u7f6e\u4e86<code>position:relative<\/code>\u5c5e\u6027\u7684\u5143\u7d20\uff0c\u5c5e\u6027\u5173\u8054\u4e00\u662f\u8017\u4ee3\u7801\uff0c\u5173\u952e\u662f\u7ef4\u62a4\u6613\u51fa\u53c9\u5b50\u3002<\/p>\n<p>\u4ece\u672c\u6587\u7684\u5206\u6790\u6765\u770b\uff0c\u5b9e\u9645\u4e0a\uff0c\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528<code>margin-left<\/code>\u5c5e\u6027\uff0c\u65e0\u9700<code>left<\/code>\u5c5e\u6027\u4ee5\u53ca\u7236\u6807\u7b7e\u7684<code>position:relative<\/code>\u7533\u660e\u5c31\u53ef\u4ee5\u5b9e\u73b0\u5c45\u4e2d\u663e\u793a\u6548\u679c\u4e86\uff08\u4f8b\u5982\u56fe\u7247\u5f39\u51fa\uff0c\u9875\u9762\u5c45\u4e2d\u6d4f\u89c8\u6548\u679c\uff09\u3002<\/p>\n<div class=\"zxx_code\">\n<pre>.center { margin-left: - (\"1\/2\u4e2a\u5143\u7d20\u5bbd\u5ea6\" + 2); position: absolute; }<\/pre>\n<\/div>\n<p>\u4e0d\u8fc7\uff0c\u76f4\u63a5\u7684<code>margin<\/code>\u65b9\u6cd5\u867d\u597d\uff0c\u4f46\u662f\u6709\u4e24\u4e2a\u8f83\u5927\u7684\u5c40\u9650\u6027\uff1a<br \/>\n1. \u81ea\u8eab\u5bbd\u5ea6\u9700\u77e5\uff0c\u5426\u5219\uff0c\u5f97\u8981\u501f\u52a9\u811a\u672c\u53bb\u83b7\u53d6\u624d\u80fd\u5b9e\u73b0\u5c45\u4e2d\uff1b<br \/>\n2. \u65e0\u6cd5\u5b9e\u73b0block\u6c34\u5e73\u5143\u7d20\u7684\u6c34\u5e73\u5c45\u4e2d<\/p>\n<p>\u56e0\u6b64\uff0c\u9664\u4e86\u67d0\u4e9b\u7279\u6b8a\u7684\u573a\u5408\uff0c<code>margin+position<\/code>\u8fd9\u79cd\u7ec4\u5408\u7684\u6c34\u5e73\u5c45\u4e2d\u65b9\u5f0f\u662f\u6ca1\u6709\u4ec0\u4e48\u7528\u6b66\u4e4b\u5730\u7684\u3002<\/p>\n<p>\u90a3\u54ea\u4e9b\u662f\u7279\u6b8a\u573a\u5408\u5462\uff1f\u4f8b\u5982\uff0c\u65b0\u6d6a\u5fae\u535a\u6216\u662f\u5176\u4ed6\u5f88\u591a\u7f51\u7ad9\u5e38\u6709\u7684\u9875\u9762\u4e3b\u4f53\u53f3\u4fa7\u7684\u201c\u8fd4\u56de\u9876\u90e8\u201d\u6309\u94ae\u3002<br \/>\n<img loading=\"lazy\" decoding=\"async\" alt=\"\u65b0\u6d6a\u5fae\u535a\u7684\u8fd4\u56de\u9876\u90e8\u6309\u94ae\u622a\u56fe \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201112\/2011-12-27_111528.png\" title=\"\u65b0\u6d6a\u5fae\u535a\u7684\u8fd4\u56de\u9876\u90e8\u6309\u94ae\u622a\u56fe \" class=\"alignnone\" width=\"139\" height=\"169\" \/><\/p>\n<p>\u8fd9\u4e2a\u6309\u94ae\u662f\u600e\u4e48\u5b9e\u73b0\u53f3\u4fa7\u5b9a\u4f4d\u7684\u5462\uff1f\u5148\u770b\u770b\u65b0\u6d6a\u5fae\u535a\u7684\u5b9e\u73b0\u65b9\u5f0f\uff0c\u5c0fbug\u67e5\u770b\uff0c\u53d1\u73b0\u662f\u6211\u4e0a\u9762\u63d0\u5230\u7684\u7ecf\u5178\u7684<code>left:50% + margin<\/code>\u65b9\u6cd5\uff0c\u6838\u5fc3CSS\u5982\u4e0b\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>.W_gotop { \n    position: fixed;\n    left: 50%;\n    margin-left: 476px; <span style=\"color:green;\">\/*\u8fd9\u4e2a\u663e\u7136\u7ecf\u8fc7\u4e86\u8ba1\u7b97\uff0c\u4e14\u53d7\u9650\u4e8e\u5bb9\u5668\u5bbd\u5ea6\u503c*\/<\/span>\n    bottom: 100px;\n}<\/pre>\n<\/div>\n<p>\u6839\u636e\u672c\u6587\u7684\u5185\u5bb9\uff0c\u5b9e\u9645\u4e0a\uff0c\u5b9e\u73b0\u8be5\u6548\u679c\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528text-align\u5c5e\u6027\uff0c\u201c\u8fd4\u56de\u9876\u90e8\u201d\u76f4\u63a5\u5c31\u4e3b\u4f53\u53f3\u4fa7\u663e\u793a\u4e86\uff0c\u65e0\u9700\u6c34\u5e73\u65b9\u5411\u5b9a\u4f4d\uff01<\/p>\n<p>\u60a8\u53ef\u4ee5\u72e0\u72e0\u5730\u70b9\u51fb\u8fd9\u91cc\uff1a<a class=\"a_link\" target=\"_blank\" href=\"http:\/\/www.zhangxinxu.com\/study\/201112\/text-align-right-position-fixed-top.html\">text-align:right\u58f0\u660e\u4e0b\u7684\u8fd4\u56de\u9876\u90e8\u5b9a\u4f4ddemo<\/a><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" alt=\"demo\u9875\u9762\u8fd4\u56de\u9876\u90e8\u7684\u5b9a\u4f4d\u6548\u679cChrome\u622a\u56fe \u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b\" src=\"http:\/\/image.zhangxinxu.com\/image\/blog\/201112\/2011-12-27_112759.png\" title=\"demo\u9875\u9762\u8fd4\u56de\u9876\u90e8\u7684\u5b9a\u4f4d\u6548\u679cChrome\u622a\u56fe\" class=\"alignnone\" width=\"202\" height=\"204\" \/><\/p>\n<p>\u6838\u5fc3CSS\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>.sina_backtop_box { text-align: right; }\n.sina_backtop { ...; position: fixed; bottom: 100px; }<\/pre>\n<\/div>\n<p>HTML\u5982\u4e0b\uff1a<\/p>\n<div class=\"zxx_code\">\n<pre>&lt;div class=\"sina_backtop_box\">\n    &amp;nbsp;&lt;a href=\"#\" class=\"sina_backtop\">\u8fd4\u56de\u9876\u90e8&lt;\/a>\n&lt;\/div>\n<\/pre>\n<\/div>\n<p><code>&amp;nbsp;<\/code>\u7528\u6765\u5b9e\u73b0\u517c\u5bb9\u6027\u7684\u6548\u679c\uff0c\u5df2\u7ecf\u505a\u8fc7\u89e3\u91ca\uff0c\u4e0d\u591a\u8bf4\u3002<\/p>\n<p><code>text-align: right;<\/code>\u5b9e\u73b0\u7684\u597d\u5904\u662f\uff1a\u8fd4\u56de\u9876\u90e8\u7684\u5b9a\u4f4d\u4e0e\u9875\u9762\u4e3b\u4f53\u5bbd\u5ea6\u65e0\u5173\u4e86\u3002\u5728\u9875\u9762\u5bbd\u5ea6\u81ea\u9002\u5e94\u7684\u5e03\u5c40\u4e2d\u53ef\u4ee5\u5927\u653e\u5f02\u5f69\uff01<\/p>\n<p>\u672c\u6587\u4e3a\u539f\u521b\u6587\u7ae0\uff0c\u8f6c\u8f7d\u8bf7\u6ce8\u660e\u6765\u81ea<a href=\"http:\/\/www.zhangxinxu.com\/\">\u5f20\u946b\u65ed-\u946b\u7a7a\u95f4-\u946b\u751f\u6d3b<\/a>[<a href=\"http:\/\/www.zhangxinxu.com\/\">http:\/\/www.zhangxinxu.com<\/a>]<br \/>\n\u672c\u6587\u5730\u5740\uff1a<a href=\"http:\/\/www.zhangxinxu.com\/wordpress\/?p=2124\">http:\/\/www.zhangxinxu.com\/wordpress\/?p=2124<\/a><\/p>\n<p>\uff08\u672c\u7bc7\u5b8c\uff09<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u6587\u7b80\u5355\u7814\u7a76\u4e86\u4e0bCSS\u4e2d text-align\u5c5e\u6027\u4e0eposition\u5c5e\u6027\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u901a\u8fc7\u4e00\u4e9b\u5b9e\u4f8b\u8bba\u8ff0\u4e00\u4e9b\u89c2\u70b9\uff0c\u5e76\u5f15\u7533\u51fa\u4e00\u4e9b\u5b9e\u9645\u7684\u5e94\u7528\u3002\u622a\u56fe\u5f88\u8be6\u5c3d\uff0c\u8fd8\u6709\u5fc5\u8981\u7684demo\u4ee5\u53ca\u6e90\u4ee3\u7801\u5c55\u793a\u3002\u5176\u4ed6\u5c31\u4e0d\u591a\u8bf4\u4e86\uff0c\u603b\u4e4b\uff0c\u5e0c\u671b\u672c\u6587\u7684\u5185\u5bb9\u80fd\u591f\u5bf9\u60a8\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\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":[276,28,579,241,271,70],"_links":{"self":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/2124"}],"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=2124"}],"version-history":[{"count":0,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/posts\/2124\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/media?parent=2124"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/categories?post=2124"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhangxinxu.com\/wordpress\/wp-json\/wp\/v2\/tags?post=2124"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}