Jquery页面加载效果
一、说明javascript
Jquery页面加载可实现异步请求时提示“请稍后，正在加载...”效果，同步请求不可用（即ajax async: false）。本文地址：http://www.cnblogs.com/lengzhan/p/6423312.htmlcss
二、代码html
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<!DOCTYPE html PUBLIC
"-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"
>
<html xmlns=
"http://www.w3.org/1999/xhtml"
>
<head>
<meta http-equiv=
"Content-Type"
content=
"text/html; charset=utf-8"
/>
<title>jquery页面加载特效</title>
<style type=
"text/css"
>
*
{
margin: 0;
padding: 0;
list-style-type: none;
}
a, img
{
border: 0;
}
.loading
{
margin: 100px auto 0 auto;
width: 400px;
text-align: center;
font-size: 18px;
}
.loading .action
{
text-decoration: none;
font-family:
"微软雅黑"
,
"宋体"
;
}
.cover
{
position:
fixed
;
top: 0;
right: 0;
bottom: 0;
left: 0;
z-index: 998;
width: 100%;
height: 100%;
_padding: 0 20px 0 0;
background: #f6f4f5;
display: none;
}
.showLoad
{
position:
fixed
;
top: 0;
left: 50%;
z-index: 9999;
opacity: 0;
filter: alpha(opacity=0);
margin-left: -80px;
}
*html, *html body
{
background-image: url(about:blank);
background-attachment:
fixed
;
}
*html .showLoad, *html .cover
{
position: absolute;
top: expression(eval(document.documentElement.scrollTop));
}
#ajaxLoad
{
border: 1px solid #8CBEDA;
font-size: 12px;
font-weight: bold;
}
#ajaxLoad div.loadAll
{
width: 180px;
height: 50px;
line-height: 50px;
border: 2px solid #D6E7F2;
background: #fff;
}
#ajaxLoad img
{
margin: 10px 15px;
float
: left;
display: inline;
}
</style>
<script type=
"text/javascript"
src=
"js/jquery.min.js"
></script>
<script type=
"text/javascript"
>
$(function () {
var
hei = $(document).height();
$(
".cover"
).css({
"height"
: hei });
$(
".action"
).click(function () {
startWaiting();
setTimeout(function () {
endWaiting();
}, 3000);
});
});
//开始加载
function startWaiting() {
$(
".cover"
).css({
'display'
:
'block'
,
'opacity'
:
'0.8'
});
$(
".showLoad"
).stop(
true
).animate({
'margin-top'
:
'300px'
,
'opacity'
:
'1'
}, 200);
}
//结束加载
function endWaiting() {
$(
".showLoad"
).stop(
true
).animate({
'margin-top'
:
'250px'
,
'opacity'
:
'0'
}, 400);
$(
".cover"
).css({
'display'
:
'none'
,
'opacity'
:
'0'
});
}
</script>
</head>
<body>
<div
class
=
"loading"
>
<a
class
=
"action"
href=
"javascript:void(0);"
>点击加载特效</a></div>
<div
class
=
"cover"
>
</div>
<div id=
"ajaxLoad"
class
=
"showLoad"
>
<div
class
=
"loadAll"
>
<img src=
"image/waiting.gif"
>加载中，请稍候...</div>
</div>
</body>
</html>
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三、DEMOjava
点击下载jquery
转