用JQUERY处理THINKPHP构造返回的多级JSON数据
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.4.2/jquery.min.js"></script>
<script type="text/javascript">
$(function(){
$("#pid").bind("change",function(){
if($(this).val()!=0){
$.get("{:u('Ajax/getCategoryList')}",{pid:""+$(this).val()+""},function(data){