struts2.0.11 doubleselect 的问题

解压struts2.0.11 找到template\simple\doubleselect.ftl

增加以下红色部分



<#--
/*
* $Id: Action.java 502296 2007-02-01 17:33:39Z niallp $
*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
*
*  http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*/
-->
<#include "/${parameters.templateDir}/simple/select.ftl" />
<#assign startCount = 0/>
<#if parameters.headerKey?exists && parameters.headerValue?exists>
    <#assign startCount = startCount + 1/>
</#if>
<#if parameters.emptyOption?exists>
    <#assign startCount = startCount + 1/>
</#if>

<select<#rt/>
name="${parameters.doubleName?default("")?html}"<#rt/>
<#if parameters.disabled?default(false)>
disabled="disabled"<#rt/>
</#if>
<#if parameters.doubleTabindex?exists>
tabindex="${parameters.doubleTabindex?html}"<#rt/>
</#if>
<#if parameters.doubleId?exists>
id="${parameters.doubleId?html}"<#rt/>
</#if>
<#if parameters.doubleCss?exists>
class="${parameters.doubleCss?html}"<#rt/>
</#if>
<#if parameters.doubleStyle?exists>
style="${parameters.doubleStyle?html}"<#rt/>
</#if>
<#if parameters.title?exists>
title="${parameters.title?html}"<#rt/>
</#if>
<#if parameters.multiple?default(false)>
multiple="multiple"<#rt/>
</#if>
<#if parameters.get("doubleSize")?exists>
size="${parameters.get("doubleSize")?html}"<#rt/>
</#if>
>
</select>
<script type="text/javascript">
<#assign itemCount = startCount/>
    var ${parameters.id}Group = new Array(${parameters.listSize} + ${startCount});
    for (i = 0; i < (${parameters.listSize} + ${startCount}); i++)
    ${parameters.id}Group[i] = new Array();
    <#if parameters.doubleHeaderKey?exists>
    <#assign doubleheaderKey = stack.findValue(parameters.doubleHeaderKey)/>
</#if>
    <#assign doubleheaderKeyStr = doubleheaderKey.toString() />
<#if parameters.doubleHeaderValue?exists>
     <#assign doubleheaderVaue = parameters.doubleHeaderValue />
</#if>
  ${parameters.id}Group[${0}][${0}] = new Option("${doubleheaderVaue}", "${doubleheaderKeyStr}");
<@s.iterator value="parameters.list">
    <#if parameters.listKey?exists>
        <#assign itemKey = stack.findValue(parameters.listKey)/>
    <#else>
        <#assign itemKey = stack.findValue('top')/>
    </#if>
    <#if parameters.listValue?exists>
        <#assign itemValue = stack.findString(parameters.listValue)/>
    <#else>
        <#assign itemValue = stack.findString('top')/>
    </#if>
  <#if parameters.emptyOption?default(false)>
    <option value=""></option>
</#if>
    <#assign doubleItemCount = 0/>
    <#if parameters.doubleHeaderKey?exists>
       <#assign doubleheaderKey = stack.findValue(parameters.doubleHeaderKey)/>
    </#if>
    <#assign doubleheaderKeyStr = doubleheaderKey.toString() />
    <#if parameters.doubleHeaderValue?exists>
       <#assign doubleheaderVaue = parameters.doubleHeaderValue />
    </#if>
     ${parameters.id}Group[${itemCount}][${doubleItemCount}] = new Option("${doubleheaderVaue}", "${doubleheaderKeyStr}");    <@s.iterator value="${parameters.doubleList}">
        <#if parameters.doubleListKey?exists>
            <#assign doubleItemKey = stack.findValue(parameters.doubleListKey)/>
        <#else>
            <#assign doubleItemKey = stack.findValue('top')/>
        </#if>
        <#assign doubleItemKeyStr = doubleItemKey.toString() />
        <#if parameters.doubleListValue?exists>
            <#assign doubleItemValue = stack.findString(parameters.doubleListValue)/>
        <#else>
            <#assign doubleItemValue = stack.findString('top')/>
        </#if>
    ${parameters.id}Group[${itemCount}][${doubleItemCount+1}] = new Option("${doubleItemValue}", "${doubleItemKeyStr}");
        <#assign doubleItemCount = doubleItemCount + 1/>
    </@s.iterator>
    <#assign itemCount = itemCount + 1/>
</@s.iterator>

    var ${parameters.id}Temp = document.${parameters.formName}.${parameters.doubleId};
<#assign itemCount = startCount-1/>
<#assign redirectTo = 0/>
<@s.iterator value="parameters.list">
    <#if parameters.listKey?exists>
        <#assign itemKey = stack.findValue(parameters.listKey)/>
    <#else>
        <#assign itemKey = stack.findValue('top')/>
    </#if>
    <#if tag.contains(parameters.nameValue, itemKey)>
        <#assign redirectTo = itemCount/>
    </#if>
    <#assign itemCount = itemCount + 1/>
</@s.iterator>
    ${parameters.id}Redirect(${redirectTo});
    function ${parameters.id}Redirect(x) {
    var selected = false;
        for (m = ${parameters.id}Temp.options.length - 1; m >= 0; m--) {
            ${parameters.id}Temp.options[m] = null;
        }

        for (i = 0; i < ${parameters.id}Group[x].length; i++) {
            ${parameters.id}Temp.options[i] = new Option(${parameters.id}Group[x][i].text, ${parameters.id}Group[x][i].value);
            <#if parameters.doubleNameValue?exists>
            if (${parameters.id}Temp.options[i].value == '${parameters.doubleNameValue}') {
            ${parameters.id}Temp.options[i].selected = true;
            selected = true;
            }
            </#if>
        }

        if ((${parameters.id}Temp.options.length > 0) && (! selected)) {
           ${parameters.id}Temp.options[0].selected = true;
        }
    }
</script>