getRequestParams:function(param){
var reg = new RegExp("(^|&)" + param + "=([^&]*)(&|$)", "i");
var r = window.location.search.substr(1).match(reg);
if (r != null) return unescape(r[2]); returnnull;
}
使用方法：
var reportName = this.getRequestParams("reportName");
console.log(reportName);