window.location.href携带JSON到jsp页面，和select下拉框对接

window.location.href='../jsp/userManager/addUser.jsp?data='+ encodeURI(encodeURI(data)) + ""; //jsp页面获取data参数<%   //获取添加按钮带过来的参数data   String data =java.net.URLDecoder.decode(request.getParameter("data"),"utf-8");%> //待页面加载后加载的function$(document).ready(function(){   //获取角色列表   var data ='<%=data%>';   var data2 =JSON.parse(data);   var str = "";   var sel = $("#sel");   //和select下拉框对接   for(var i in data2){      str += '<optionvalue="'+data2[i].id+'">'+data2[i].role_name+'</option>';      sel.append(str);      str = "";   }   //或者   for(var i in data2){      $("#sel").append("<optionvalue='"+data2[i].id+"'>"+data2[i].role_name+"</option>");   })};