我通常熟悉使用css刷新页脚的技术。
但是我在将这种方法用于Twitter引导时遇到了一些麻烦，很可能是因为Twitter引导本质上是响应式的。使用Twitter引导，我不能得到页脚冲洗到页面底部使用上述博客文章中描述的方法。
当前回答
另一种可能的解决方案是使用媒体查询
@media screen and (min-width:1px) and (max-width:767px) {
.footer {
}
}
/* no style for smaller or else it goes weird.*/
@media screen and (min-width:768px) and (max-width:991px) {
.footer{
bottom: 0;
width: 100%;
position: absolute;
}
}
@media screen and (min-width:992px) and (max-width:1199px) {
.footer{
bottom: 0;
width: 100%;
position: absolute;
}
}
@media screen and (min-width:1120px){
.footer{
bottom: 0;
width: 100%;
position: absolute;
}
}
其他回答
发现这里的片段工作得很好
Html:
<div id="wrap">
<div id="main" class="container clear-top">
<p>Your content here</p>
</div>
</div>
<footer class="footer"></footer>
CSS:
html, body {
height: 100%;
}
#wrap {
min-height: 100%;
}
#main {
overflow:auto;
padding-bottom:150px; /* this needs to be bigger than footer height*/
}
.footer {
position: relative;
margin-top: -150px; /* negative value of footer height */
height: 150px;
clear:both;
padding-top:20px;
}
Bootstrap v4+溶液
这里有一个解决方案，不需要重新考虑HTML结构或任何涉及填充的额外CSS技巧:
<html style="height:100%;">
...
<body class="d-flex flex-column h-100">
...
<main class="flex-grow-1">...</main>
<footer>...</footer>
</body>
...
</html>
请注意，此解决方案允许页脚具有灵活的高度，这在为多个屏幕尺寸设计页面时特别有用，在收缩时使用内容包装。
为什么会这样
style="height:100%;" makes the <html> tag take the whole space of the document. class d-flex sets display:flex to our <body> tag. class flex-column sets flex-direction:column to our <body> tag. Its children (<header>, <main>, <footer> and any other direct child) are now aligned vertically. class h-100 sets height:100% to our <body> tag, meaning it will cover the entire screen vertically. class flex-grow-1 sets flex-grow:1 to our <main>, effectively instructing it to fill any remaining vertical space, thus amounting to the 100% vertical height we set before on our <body> tag.
工作演示在这里:https://codepen.io/maxencemaire/pen/VwvyRQB
有关flexbox的更多信息，请参阅https://css-tricks.com/snippets/css/a-guide-to-flexbox/。
对于Sticky Footer，我们在HTML中使用了两个DIV来实现基本的Sticky Footer效果。这样写:
HTML
<div class="container"></div>
<div class="footer"></div>
CSS
body,html {
height:100%;
}
.container {
min-height:100%;
}
.footer {
height:40px;
margin-top:-40px;
}
你可以使用jQuery来处理这个问题:
$(function() {
/**
* Read the size of the window and reposition the footer at the bottom.
*/
var stickyFooter = function(){
var pageHeight = $('html').height();
var windowHeight = $(window).height();
var footerHeight = $('footer').outerHeight();
// A footer with 'fixed-bottom' has the CSS attribute "position: absolute",
// and thus is outside of its container and counted in $('html').height().
var totalHeight = $('footer').hasClass('fixed-bottom') ?
pageHeight + footerHeight : pageHeight;
// If the window is larger than the content, fix the footer at the bottom.
if (windowHeight >= totalHeight) {
return $('footer').addClass('fixed-bottom');
} else {
// If the page content is larger than the window, the footer must move.
return $('footer').removeClass('fixed-bottom');
}
};
// Call when this script is first loaded.
window.onload = stickyFooter;
// Call again when the window is resized.
$(window).resize(function() {
stickyFooter();
});
});
这个是最好的!
html {
position: relative;
min-height: 100%;
padding-bottom:90px;
}
body {
margin-bottom: 90px;
}
footer {
position: absolute;
bottom: 0;
width: 100%;
height: 90px;
}
