Jquery页面加载效果-白红宇

Jquery页面加载效果

阅读量：4507 次

发布时间：2019-06-08

本文共 2781 字，大约阅读时间需要 9 分钟。

1、说明

　　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：

2、代码

                                  
<!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>
           
         