eval对后台传来的数据处理

?? function doQuery(){
??
???? //上面是一查询就刷新整个页面，导致查询条件没有了,采用ajaxs
??????? $.ajax({
?? type: "POST",
?? url: "<%= basePath%>czsf/xtgl/yhgl/YhglServlet",
?? data:? {'status':'search','queryusername':$("#queryusername").val(),'queryaccount':$("#queryaccount").val()},
?? success: function(msg){
?? var aaaa= eval('(' + msg + ')'); ??? $.fn.zTree.init($("#treeDemo"),setting,aaaa ); ???? } ???? ?? }); ?? ?? ???? }