ASP.NET配合jQuery解决跨域调用的问题

var param = {};var msg = "dafdasfdsaf";param["userName"] = "1";param["passWord"] = "1";param["code"] = "3323";$.ajax({  url: "http://www.ts-wms.com/UserAjax/Login?t=" + Math.random(),  data: param,  type: "post",  async:false,  success: function (result) {    alert(result);    msg = result;  }});alert(msg+"ddddddddddFFFFFFFFFFFFFFFF");