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<s:select list="deptMap" name="deptid" listKey="key" value="%{deptid}" listValue="value" headerKey="" headerValue="--ÇëÑ¡Ôñ²¿ÃÅ--" onchange="changedept()" >
</s:select>
 

<s:select list="titleMap" name="titleid" listKey="key" value="%{titleid}" listValue="value" headerKey="" headerValue="--ÇëÑ¡ÔñÖ°³Æ--" >
</s:select>

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 function changedept(){
  var deptid=document.form1.deptid.value;
  loadXMLDoc("changeDeptUser.action?deptid="+deptid,checkReturn);//ÕâÀïÊDzéѯְ³ÆµÄ
  return null;
 }

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public String execute() {
List list = getList(deptId);//ΪµÃµ½ÄãµÄÖ°³ÆÐÅÏ¢
String json = "[";
for (int i = 0; i < list.size(); i++) {
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