$.ajax({
url: "../../UserInfoServlet",type: "post",data: "checkByName=" + name + "¤tPage=" + index + "&PageSize=" + size+"&doaction=userListTest",dataType: "json",beforeSend: function(){
//开始显示等待的图片
$("#gifDiv").html("<img src='../../images/autoScan18.gif'/>正在加载数据，请稍候......");
},error:function(){
alert('数据加载失败！');
dealFail();
},success: function (data) {
dealSuccess(data);
},complete: function(){
//结束显示等待的图片
$("#gifDiv").html("");
}
});