Java 如何从Struts 2中的select标记映射多个值?
我的Struts2 web应用程序中有一个多选组合。我使用ui多部分组件。当我选择并提交值Java 如何从Struts 2中的select标记映射多个值?,java,jquery,jquery-ui,jsp,struts2,Java,Jquery,Jquery Ui,Jsp,Struts2,我的Struts2 web应用程序中有一个多选组合。我使用ui多部分组件。当我选择并提交值“1”和“2”,然后在我的操作类中检查它时,只设置了最后选择的值。如何设置所有选定值 JSP文件: <%@ taglib prefix="s" uri="/struts-tags"%> <link rel="stylesheet" href="<s:url value="/css/jquery.multiselect.css"/>" type="text/css" /&
“1”
和“2”
,然后在我的操作类中检查它时,只设置了最后选择的值。如何设置所有选定值
JSP文件:
<%@ taglib prefix="s" uri="/struts-tags"%>
<link rel="stylesheet"
href="<s:url value="/css/jquery.multiselect.css"/>" type="text/css" />
<link rel="stylesheet"
href="<s:url value="/css/jquery.multiselect.filter.css"/>"
type="text/css" />
<link rel="stylesheet"
href="<s:url value="/css/themes/base/jquery.ui.theme.css"/>"
type="text/css" />
<script type="text/javascript"
src="<s:url value="/js/jquery-1.9.1.min.js" />"></script>
<script type="text/javascript"
src="<s:url value="/js/jquery-ui.min.js" />"></script>
<script type="text/javascript"
src="<s:url value="/js/jquery.multiselect.min.js" />"></script>
<script type="text/javascript"
src="<s:url value="/js/jquery.multiselect.filter.js" />"></script>
<script language="javascript">
$(function() {
$("select").multiselect({
multiple : true,
selectedList : 4,
noneSelectedText : 'Tous',
height : 180
});
$("select").multiselect().multiselectfilter();
});
</script>
<s:form id="idForm" action="testOMB.do" name="myForm">
<div class="contentTable">
<div class="tbl">
<table width="100%">
<tr>
<td><s:select id="idCombo1" multiple="multiple"
list="listItems" name="listIdSelected"
value="listIdSelected" listKey="id" listValue="label"
emptyOption="true" /></td>
</tr>
</table>
</div>
</div>
<div class="bloc_action">
<s:submit cssClass="btn_action" value="TEST OMB" />
</div>
</s:form>
package com.omb.controller.report;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.transaction.annotation.Isolation;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;
import com.omb.ui.item.Item;
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.Preparable;
@SuppressWarnings("serial")
public class MyAction extends ActionSupport implements Preparable {
Log log = LogFactory.getLog(MyAction.class);
private List<Item> listItems = new ArrayList<String>();
private List<String> listIdSelected = new ArrayList<String>();
public void prepare() throws Exception {
listItems.add(new Item("1", "Item 1"));
listItems.add(new Item("2", "Item 2"));
listItems.add(new Item("3", "Item 3"));
listItems.add(new Item("4", "Item 4"));
}
@Transactional(propagation = Propagation.REQUIRED, isolation = Isolation.DEFAULT, readOnly = true)
public String testOMB() throws Exception {
log.debug("listIdSelected = " + listIdSelected.size());
return SUCCES;
}
public List<Item> getListItems() {
return this.listItems;
}
public void setListItems(List<Item> listItems) {
this.listItems = listItems;
}
public List<String> getListIdSelected() {
return this.listIdSelected;
}
public void setListIdSelected(List<String> listIdSelected) {
this.listIdSelected = listIdSelected;
}
}
?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<constant name="struts.devMode" value="false" />
<constant name="struts.action.extension" value="do" />
<constant name="struts.custom.i18n.resources"
value="com.omb.i18n.StrutsResourceBundle" />
<constant name="struts.objectFactory" value="spring" />
<constant name="struts.objectFactory.spring.autoWire" value="name" />
<constant name="struts.i18n.encoding" value="ISO-8859-1" />
<constant name="struts.i18n.reload" value="false" />
<constant name="struts.configuration.xml.reload" value="false" />
<constant name="struts.locale" value="fr" />
<constant name="struts.multipart.maxSize" value="100000000000" />
<constant name="struts.enable.SlashesInActionNames" value="true" />
<constant name="struts.mapper.alwaysSelectFullNamespace" value="false"/>
<constant name="struts.codebehind.classSuffix" value="Controller"/>
<constant name="struts.codebehind.action.checkImplementsAction" value="false"/>
<constant name="struts.codebehind.action.checkAnnotation" value="false"/>
<constant name="struts.codebehind.action.defaultMethodName" value="index"/>
<constant name="struts.configuration.classpath.defaultParentPackage" value="rest-default" />
<package name="default" extends="tiles-default" namespace="/">
<interceptors>
<interceptor name="userAware"
class="com.omb.interceptor.UserAwareInterceptor" />
<interceptor name="params-filter"
class="com.opensymphony.xwork2.interceptor.ParameterFilterInterceptor" />
<interceptor-stack name="defaultStack">
<interceptor-ref name="exception" />
<interceptor-ref name="alias" />
<interceptor-ref name="servletConfig" />
<interceptor-ref name="i18n" />
<interceptor-ref name="chain" />
<interceptor-ref name="modelDriven" />
<interceptor-ref name="fileUpload">
<param name="maximumSize">11204928</param>
</interceptor-ref>
<interceptor-ref name="staticParams" />
<interceptor-ref name="conversionError" />
<interceptor-ref name="params" />
<interceptor-ref name="prepare" />
<interceptor-ref name="validation" />
<interceptor-ref name="workflow" />
<interceptor-ref name="userAware" />
</interceptor-stack>
</interceptors>
<default-interceptor-ref name="defaultStack" />
<global-results>
<result name="technicalError" type="chain">
errorAction
</result>
<result name="sessionInvalidError" type="tiles">
sessionInvalid
</result>
<result name="blank" type="tiles">blank</result>
</global-results>
<global-exception-mappings>
<exception-mapping exception="java.lang.Exception"
result="technicalError" />
<exception-mapping
exception="com.omb.service.exception.UserSessionInvalidException"
result="sessionInvalidError" />
</global-exception-mappings>
<action name="errorAction"
class="com.omb.controller.ErrorAction">
<result name="success" type="tiles">errorTile</result>
</action>
<action name="*Cache"
class="com.omb.controller.CacheAction" method="{1}">
<result name="success" type="tiles">resultCache</result>
<result name="input" type="tiles">inputCache</result>
</action>
<action name="*Login"
class="com.omb.controller.LoginAction" method="{1}">
<result name="success" type="tiles">login</result>
<result name="password" type="tiles">changePassword</result>
</action>
<action name="*Welcome"
class="com.omb.controller.WelcomeAction" method="{1}">
<result name="success" type="tiles">welcome</result>
<result name="report" type="redirectAction">
<param name="namespace">/report</param>
<param name="actionName">perimetersReport</param>
</result>
</action>
</package>
<package name="report" extends="default" namespace="/report">
<action name="*Action"
class="com.omb.controller.report.MyAction"
method="{1}">
<result name="succes" type="tiles">succesTile</result>
</action>
</package>
</struts>
试着改变
private List<String> listIdSelected = new ArrayList<String>();
private List listIdSelected=new ArrayList();
到
private List listIdSelected=new ArrayList();
因为你的能手和二传手都是这样的
要选择“获取所有值”,我应该做什么
您应该做一个
选择
标记以接受多个选项。这是通过struts中的multiple=“true”
选择标签来完成的。那么您的拦截器堆栈不完整,因为缺少。您应该在文件上载
拦截器引用之后将
添加到拦截器堆栈中 好的,我明白了…我更新了我的示例代码。在我的代码命名过程中,我在getter/setter中出错了……那么它应该可以工作了;尝试从私有列表listIdSelected=new ArrayList()中删除初始化代码>,若在拦截器堆栈后它不起作用,那个么一定是出了什么问题……我更改了属性的声明。我删除了带有空列表的初始化,但不是wor。我在帖子中添加了struts.xml。
private List<Integer> listIdSelected = new ArrayList<Integer>();