dwr实例2（级联菜单并确定默认值）

<%@ include file="/common/taglibs.jsp"%>

<title><fmt:message key="menu.admin" />-><fmt:message key="menu.admin.departmentsManager" /></title>

<link rel="stylesheet" type="text/css" media="all" href="<c:url value='/styles/default.css'/>" />
<link rel="stylesheet" type="text/css" media="all" href="<c:url value='/styles/helptip.css'/>" />
<link rel="stylesheet" type="text/css" media="print" href="<c:url value='/styles/print.css'/>" />

<c:if test="${not empty errorReason}">
   <div align="center" style="color: red">
       <c:if test="${errorReason=='updateConstraint'}">
         <fmt:message key="tcsBox.updateConstraint"/>
       </c:if>
       <c:if test="${errorReason=='addConstraint'}">
         <fmt:message key="tcsBox.addConstraint"/>
       </c:if>
   </div>
</c:if>
<html:form action="editBoxes.html?method=finishEdit" styleId="TcsboxForm" >

<table class="detail" valign="top"> 
<c:if test="${from == 'update' or param.handle =='update'}">
  <input type="hidden" value="update"  name="handle"/>
</c:if >
<c:if test="${from == 'add'}">
  <input type="hidden" value="add"  name="handle"/>
</c:if >  
<!-- <c:set var="pageButtons">
    <tr>
        <td height="50"></td>
        <td class="buttonBar">
         <c:if test="${from == 'update'}">
           <input type="submit" value='<fmt:message key="button.submit"/>' class="button" />
           <input type="hidden" value="update"  name="handle"/>
         </c:if >
         <c:if test="${from == 'add'}">
          <input type="submit" value='<fmt:message key="button.submit"/>' class="button" />
          <input type="hidden" value="add"  name="handle"/>
            </c:if >  
             <input type="reset" value='<fmt:message key="button.reset"/>' class="button"/>
               
                <input type="button" value='<fmt:message key="button.back"/>' class="button" onclick="history.back()"/>
        </td>
    </tr>
</c:set> -->
 
      <c:if test="${from=='update' or param.handle =='update'}">
        <tr>
         <th>
             <manhourpool:label key="TcsBoxForm.tcs_box_id"/>
         </th>
         <td>
             <html:text property="tcs_box_id" styleId="tcs_box_id" readonly="true"></html:text>
         </td>
         </tr>
       </c:if>
     <tr>
         <th>
             <manhourpool:label key="TcsBoxForm.code"/>
         </th>
         <td>
             <html:text property="tcs_box_code" styleId="tcs_box_code" ></html:text>
         </td>
     </tr>
      <tr>
         <th>
             <manhourpool:label key="TcsBoxForm.tcs_box_name"/>
         </th>
         <td>
             <html:text property="tcs_box_name" styleId="tcs_box_name" ></html:text>
         </td>
     </tr>
     <tr>
         <th>
             <manhourpool:label key="TcsBoxForm.companycode"/>
         </th>
         <td>
         <html:select property="company_code" styleId="company_code" onchange="changeCompany_Code(this)">
          <html:options collection="companyLst" property="code" labelProperty="name" />
         </html:select>
         </td>
     </tr>
     <tr>
         <th>
             <manhourpool:label key="TcsBoxForm.burea"/>
         </th>
         <td>
         <html:select property="bureau_id"  styleId="bureau_id" >
          <html:options collection="bureauLst" property="code" labelProperty="name" />
         </html:select>
         </td>
     </tr>
    
      <tr>
         <th>
             <manhourpool:label key="TcsBoxForm.district"/>
         </th>
         <td>
         <html:select property="district_id"  styleId="district_id" >
          <html:options collection="districtLst" property="code" labelProperty="name" />
         </html:select>
         </td>
     </tr>
    
     <tr>
         <th>
             <manhourpool:label key="TcsBoxForm.address"/>
         </th>
         <td>
    <html:text property="tcs_address" styleId="tcs_address" ></html:text>
         </td>
     </tr>
     <c:if test="${from=='update' or param.handle =='update'}">
          <tr>
          <th>
              <manhourpool:label key="chartem.state"/>
          </th>
          <td>
              <html:select property="state" >
                 <html:options collection="doms" property="column_value" labelProperty="description"/>
              </html:select>
          </td>
         </tr>
     </c:if>
</table>
<table align="center">
<!-- <c:out value="${pageButtons}"  escapeXml="false"/> --></table>
</html:form>

<script type='text/javascript' src='dwr/interface/bureauManager.js'></script>
<script type='text/javascript' src='dwr/interface/districtManager.js'></script>
<script type='text/javascript' src='dwr/engine.js'></script>
<script type='text/javascript' src='dwr/util.js'></script>
<script type="text/javascript">
   var bureau_on_load=true;
   var bureau_id='<c:out value="${tcsBoxForm.bureau_id}"/>';
   window.onload=function(){
     window.changeCompany_Code(document.all.company_code);
 var ppage = window.parent.document.frames['theiframtwo'];
 if('<c:out value="${handlesucc}" />'){
  ppage.document.getElementById('viewBoxes').submit();
 }
   }
   function changeCompany_Code(sel_obj)
   {
     var company_code=sel_obj.value;
    
     if(company_code=='')
        return;
     var param =new Object();
     param.company_code=company_code;
     bureauManager.getBureauListInDwr(param,showBureau);
     districtManager.getDistrictBycompany(company_code,showDistrict);
     
   }
  
   function showBureau(bureaus)
   {
 //     var bureau_id=$('bureau_id').value;
 //     if(window.bureau_on_load)
 //     {
 //       bureau_id='<c:out value="${param.bureau_id}"/>';
 //       window.bureau_on_load=false;
//      }
      DWRUtil.removeAllOptions('bureau_id');
      var op=document.createElement('option');
      op.value='';
      op.text='<fmt:message key="task.default" />';
      $('bureau_id').options.add(op);
     
      DWRUtil.addOptions('bureau_id',bureaus,'bureau_id','bureau_name');
      for(var i=0;i<$('bureau_id').options.length;i++)
      {
        if($('bureau_id').options[i].value==bureau_id)
        {
          $('bureau_id').selectedIndex=i;
          break;
        }
      }
   }
  
  
   function showDistrict(dis)
   { 
  
   var dis_code=$('district_id').value;
   if(window.isOnload)
   {
     dis_code='<c:out value="${taskInfoForm.district_id}"/>';
     window.isOnload=false;
   }
     DWRUtil.removeAllOptions('district_id');
     var op=document.createElement('option');
     op.value='';
     op.text='<fmt:message key="task.default" />';
     $('district_id').options.add(op);
     DWRUtil.addOptions('district_id',dis,'code','name');
     for(var i=0;i<$('district_id').options.length;i++)
     {
      if($('district_id').options[i].value==dis_code)
      {
        $('district_id').selectedIndex=i;
        break;
      }
     }
   }
</script>

小菜毛毛 2009-06-02 21:30 发表评论