var d=document.getElementById("exportA");
alert(d.href);
d.href="${ctx}/templet/tEdasTempletInfo/export&titleCode=‘"+titleCode+"‘&titleName=‘"+titleName+"‘¬Null=‘"+notNull+"‘&isMetadate=‘"+isMetadate+"‘";
alert(d.href);
d.click();原文：https://www.cnblogs.com/xlj227/p/9523513.html