{"id":357,"date":"2010-11-26T00:22:24","date_gmt":"2010-11-25T16:22:24","guid":{"rendered":"http:\/\/www.clonefactor.com\/wordpress\/?p=357"},"modified":"2013-08-17T23:17:49","modified_gmt":"2013-08-17T15:17:49","slug":"css-hack-positionfix-%e5%90%91%e4%b8%8b%e5%85%bc%e5%ae%b9-ie6-%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88","status":"publish","type":"post","link":"https:\/\/www.clonefactor.com\/wordpress\/webdevelop\/357\/","title":{"rendered":"CSS hack: position:fix, \u5411\u4e0b\u517c\u5bb9 IE6,7 \u89e3\u6c7a\u65b9\u6848"},"content":{"rendered":"

\u7531\u65bc IE6,7 \u4e0d\u80fd\u652f\u6301 position:fix , \u4e0d\u5e0c\u671b\u4f7f\u7528 Javascript \u552f\u6709\u4f7f\u7528\u7279\u6b8a\u5beb\u6cd5.<\/p>\n

\u8209\u4f8b, HTML \u5167\u6587\u70ba<\/p>\n

Step 1.<\/p>\n

[html]
\n<body>
\n<div id="nav_bar">\u96f7\u6253\u4e0d\u52d5<\/div>
\n<div id="body_wrap">
\n\u5f88\u591a\u5167\u5bb9…\u5f88\u591a\u5167\u5bb9…\u5f88\u591a\u5167\u5bb9…\u5f88\u591a\u5167\u5bb9…
\n\u5f88\u591a\u5167\u5bb9…\u5f88\u591a\u5167\u5bb9…\u5f88\u591a\u5167\u5bb9…\u5f88\u591a\u5167\u5bb9…
\n\u5f88\u591a\u5167\u5bb9…\u5f88\u591a\u5167\u5bb9…\u5f88\u591a\u5167\u5bb9…\u5f88\u591a\u5167\u5bb9…
\n\u5f88\u591a\u5167\u5bb9…\u5f88\u591a\u5167\u5bb9…\u5f88\u591a\u5167\u5bb9…\u5f88\u591a\u5167\u5bb9…
\n\u5f88\u591a\u5167\u5bb9…\u5f88\u591a\u5167\u5bb9…\u5f88\u591a\u5167\u5bb9…\u5f88\u591a\u5167\u5bb9…
\n\u5f88\u591a\u5167\u5bb9…\u5f88\u591a\u5167\u5bb9…\u5f88\u591a\u5167\u5bb9…\u5f88\u591a\u5167\u5bb9…
\n<\/div>
\n<\/body>
\n[\/html]<\/p>\n

\u76ee\u7684\u662f nav_bar \u6c38\u9060\u8655\u65bc\u756b\u9762\u7279\u5b9a\u4f4d\u7f6e,<\/p>\n

\u6574\u500b HTML \u67b6\u69cb\u53ea\u80fd\u6709\u4e00\u500b nav_bar \u53ca\u4e00\u500b body_warp.<\/p>\n

\u8981\u6ce8\u610f\u628a\u6240\u6709 “\u73fe\u5728\u53ca\u672b\u4f86\u6709\u53ef\u80fd\u51fa\u73fe\u7684\u6587\u7ae0<\/strong><\/span>” \u5b58\u65bc body_wrap<\/span><\/strong> \u4e2d.<\/p>\n

\u7136\u5f8c\u624d\u662f<\/p>\n

Step 2.<\/p>\n

[css]
\n#nav_bar{
\ndisplay:block;
\nposition: fixed;
\ntop: 100px;left: 0px;width: 100%;height: 150px;
\nbackground: #CCC;
\n\/* IE \u624d\u80fd\u8b80\u53d6\u4e0b\u9762 \u4e26 override \u539f\u6709\u53c3\u6578\u503c *\/
\n>position: absolute;
\n>z-index: 99;
\n}<\/p>\n

#body_warp{
\ndisplay:block;
\nmargin:0px;
\npadding:0px;
\n\/* IE \u624d\u80fd\u8b80\u53d6\u4e0b\u9762 \u4e26 override \u539f\u6709\u53c3\u6578\u503c *\/
\n>top:0px;
\n>left:0px;
\n>width:100%; \/* \u53d6\u5f97 body width & height *\/
\n>height:100%;
\n>z-index:1; \/* \u4f4e\u65bc nav_bar \u5c64\u7d1a *\/
\n>overflow: auto; \/* \u53d6\u4ee3 body \u539f\u6709\u7684 scroll \u4f7f\u7528\u6587\u80fd\u5920\u6372\u52d5 *\/ }
\nbody{
\n\/* Css hack, \u52a0\u5165 width height \u53c3\u6578\u65bc body *\/
\nwidth:100%; height:100%;
\n\/* \u53ea\u6709 IE \u7cfb\u5217\u624d\u4f5c\u7528*\/
\n>overflow:hidden; \/* \u4e0d\u80fd\u4f7f\u7528 body \u539f\u6709\u7684 scroll \u63a7\u5236. *\/
\n}
\n[\/css]<\/p>\n

\u672c hack \u7684\u552f\u4e00\u7f3a\u9ede\u5c31\u662f, \u53ea\u80fd\u628a\u5167\u5bb9\u53ca\u8f9b\u7ae0\u6392\u7248\u7b49\u7b49\u7686\u5b58\u653e\u65bc body_wrap \u4e2d.
\n\u800c\u4e14 IE \u4e2d\u4f7f\u7528\u672c\u65b9\u5f0f\u6372\u52d5\u5927\u91cf object, \u4f54\u7684 CPU \u5f88\u591a, \u7562\u7adf\u6bcf\u4e00\u4e0b\u9700\u8981\u91cd\u65b0\u904b\u7b97 child \u4e2d\u6240\u6709\u5750\u6a19.<\/p>\n

\u540c\u6a23\u7684\u65b9\u5f0f\u53ef\u88fd\u4f5c position:fix \u7684 background , \u800c\u4e14\u4f5c\u6210 auto full size;
\n[css]
\n\/*
\n<div id="fix_bg"><img src="xxxx.jpg" \/><\/div>
\n*\/
\nbody{
\n\/* By http:\/\/css-tricks.com\/perfect-full-page-background-image\/ *\/
\nbackground: url(xxxxxx.jpg) no-repeat center center fixed;
\n-webkit-background-size: cover;
\n-moz-background-size: cover;
\n-o-background-size: cover;
\nbackground-size: cover;
\n}
\n.fix_bg{
\ndisplay:none !important; \/* \u652f\u63f4 important \u7684\u700f\u89bd\u5668\u7528\u4e0a\u9762\u7684\u5c31\u597d *\/
\ndisplay:block;
\nposition: fixed;
\ntop: 0px;left: 0px;width: 100%;height: 100%;
\n\/* IE \u624d\u80fd\u8b80\u53d6\u4e0b\u9762 \u4e26 override \u539f\u6709\u53c3\u6578\u503c *\/
\n>position: absolute;
\n>z-index: 0; \/* \u4f4e\u65bc body_wrap *\/
\n}
\n.fix_bg img{
\nwidth: 100%; \/* \u4ee5\u5bec\u5ea6\u70ba\u6e96 *\/
\nmin-height: 100%;
\n>height: 100%;
\noverflow: hidden;
\n}
\n[\/css]<\/p>\n","protected":false},"excerpt":{"rendered":"

\u7531\u65bc IE6,7 \u4e0d\u80fd\u652f\u6301 position:fix , \u4e0d\u5e0c\u671b\u4f7f\u7528 Javascript \u552f\u6709\u4f7f\u7528 …<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[76],"class_list":["post-357","post","type-post","status-publish","format-standard","hentry","category-webdevelop","tag-css"],"_links":{"self":[{"href":"https:\/\/www.clonefactor.com\/wordpress\/wp-json\/wp\/v2\/posts\/357","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.clonefactor.com\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.clonefactor.com\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.clonefactor.com\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.clonefactor.com\/wordpress\/wp-json\/wp\/v2\/comments?post=357"}],"version-history":[{"count":0,"href":"https:\/\/www.clonefactor.com\/wordpress\/wp-json\/wp\/v2\/posts\/357\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.clonefactor.com\/wordpress\/wp-json\/wp\/v2\/media?parent=357"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.clonefactor.com\/wordpress\/wp-json\/wp\/v2\/categories?post=357"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.clonefactor.com\/wordpress\/wp-json\/wp\/v2\/tags?post=357"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}