<select id="groupId" name="groupId" style="width: 123px;"></select>

$(document).ready(function() {$(‘#groupId‘).combobox({valueField : ‘key‘,textField : ‘value‘,mode:‘remote‘,url : ‘xxxxx.do?method=xxxx‘,  //数据源panelHeight : ‘auto‘,onChange:function(newValue,oldValue){ //级联时间  动态及联$.ajax({type:"POST",url:"xxxx.do?method=xxx&xx="+xxx, //级联数据源dataType:"json",async:false,error:function(XMLHttpRequest, textStatus, errorThrown){alert("error");},success:function(data,textStatus){//成功 赋值显示        //TODO}});}});$(‘#valid‘).combobox({disabled : false,panelHeight : ‘auto‘});});