ajax提交加载进度条示例代码

实现效果图
 
加载图片
 
实现方式:

在jsp页面中加入

样式

.progress{z-index: 2000}
.mask{position: fixed;top: 0;right: 0;bottom: 0;left: 0; z-index: 1000; background-color: #2f2f2f}

节点

<img id="progressimgage" class="progress" style="display:none" alt="" src="/ajax-loader.gif"/>
<div id="maskofprogressimage" class="mask" style="display:none"></div>

js

<p> </p><p>var img = $("#progressimgage");
var mask = $("#maskofprogressimage");</p>

$.ajax({
url:url,
type:"post",
datatype:"json",
data:data,
beforesend:function(xhr){
img.show().css({
"position": "fixed",
"top": "40%",
"left": "45%",
"margin-top": function () { return -1 * img.height() / 2; },
"margin-left": function () { return -1 * img.width() / 2; }
});
mask.show().css("opacity", "0.1");
},
success:function(result){
dosuccess()
},
complete:function(xhr){
img.hide();
mask.hide();

}
});