从地址栏获取参数

//点击从当前页面开始传递goodsID----
$(document).on("tap",".goodImg",function(){
   var tmpGoodId = $(this).attr("goodId");
   window.location.href="shangpin.html?goodsID="+tmpGoodId+"";
           
});  
-------shangping.html页面获取goodsID;

function getUrlParam(name) {
   var reg = new RegExp("(^|&)" + name + "=([^&]*)($|&)");
   var strArr = window.location.search.substr(1).match(reg);
   if(strArr != null) return unescape(strArr[2]);
   return null;
} 
var goodsID=getUrlParam('goodsID')//-----------调用函数将goodsID反回给goodsID;