1、普通ajax请求:
para = {};
para.action = "getUserInfo";//post请求的参数用Request.Params["action"];接收
para.timespan = new Date().getTime();
para.id = val;
$.ajax({
url: "ashx/bg_user.ashx",
data: para,
type: "POST",
dataType: "json",
success: function (data) {
//data为json对象集合,所以此处用[0]
return data[0].UserName;
}
});