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内容较少时，页面的footer始终显示在底部，不是使用fixed。

2014-12-29 16:58 381 查看

一、使用css，参考国外的一个解决方法：

http://ryanfait.com/resources/footer-stick-to-bottom-of-page/

How to use the CSS Sticky Footer on your website

Add the following lines of CSS to your stylesheet. The negative value for the margin in

.wrapper

is the same number as the height of

.footer

and

.push

. The negative margin should always equal to the full height of the footer (including any padding or borders you may add).

* {

margin: 0;

}

html, body {

height: 100%;

}

.wrapper {

min-height: 100%;

height: auto !important;

height: 100%;

margin: 0 auto -4em;

}

.footer, .push {

height: 4em;

}

Follow this HTML structure. No content can be outside of the .wrapper and .footer

div

tags unless it is absolutely positioned with CSS. There should also be no content inside the .push

div

as it is a hidden element that "pushes" down the footer so it doesn't overlap anything.

<html>

<head>

<link rel="stylesheet" href="layout.css" ... />

</head>

<body>

<div class="wrapper">

<p>Your website content here.</p>

<div class="push"></div>

</div>

<div class="footer">

<p>Copyright (c) 2008</p>

</div>

</body>

</html>

二、使用js，参考这个：（本人未验证过，看代码应该可行）

http://jingyan.baidu.com/article/2fb0ba4054805900f2ec5f9d.html

//footer吸底效果
var _ch = $("#content").height();//这个就是你中间内容div的高度
var _wh = $(window).height();//整个窗口的高度
//console.log("window's height",_wh,"content's height",_ch,"_wh - _ch:",_wh - _ch);
if(_wh - _ch > 192){
$("#content").css("min-height",(_wh-192)+"px");
}
//希望这段代码对你有用！

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