小小代码

Action文件：
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package com.vaannila;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.util.LabelValueBean;
import org.apache.struts.util.MessageResources;

/**
*
* @author [email protected]
*/
public class LoginAction extends org.apache.struts.action.Action {

    /* forward name="success" path="" */
    private final static String SUCCESS = "success";
    private final static String FAILURE = "failure";
    /**
     * This is the action called from the Struts framework.
     * @param mapping The ActionMapping used to select this instance.
     * @param form The optional ActionForm bean for this request.
     * @param request The HTTP Request we are processing.
     * @param response The HTTP Response we are processing.
     * @throws java.lang.Exception
     * @return
     */
    public ActionForward execute(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response)
            throws Exception {
        LoginForm loginForm = (LoginForm) form;
       
        MessageResources messageResources = getResources(request);
        String s1 = messageResources.getMessage("t");
       
        String[] strList = s1.split(",");
       
        List<LabelValueBean> valueBeans = new ArrayList<LabelValueBean>();
        for (String key : strList) {
System.out.println("key  : "+key+"    value : "+messageResources.getMessage(key));
valueBeans.add(new LabelValueBean(messageResources.getMessage(key),key));
        }
       
        request.setAttribute("mtypelist", valueBeans);
       
        if (loginForm.getUserName().equals(loginForm.getPassword())) {
            return mapping.findForward(SUCCESS);
        } else {
            return mapping.findForward(FAILURE);
        }
    }
   
   
}

-------------------------------------
javaForm文件：
/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/

package com.vaannila;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;

/**
*
* @author [email protected]
*/
public class LoginForm extends org.apache.struts.action.ActionForm {
   
    private String userName;

    private String password;

    private String timeId;
    /**
     *
     */
    public LoginForm() {
        super();
        // TODO Auto-generated constructor stub
    }

    /**
     * This is the action called from the Struts framework.
     * @param mapping The ActionMapping used to select this instance.
     * @param request The HTTP Request we are processing.
     * @return
     */
    public ActionErrors validate(ActionMapping mapping, HttpServletRequest request) {
        ActionErrors errors = new ActionErrors();
        if (userName == null || userName.length() < 1) {
            errors.add("userName", new ActionMessage("error.userName.required"));
            // TODO: add 'error.name.required' key to your resources
        }
        if (password == null || password.length() < 1) {
            errors.add("password", new ActionMessage("error.password.required"));
            // TODO: add 'error.name.required' key to your resources
        }
        return errors;
    }

    /**
     * @return the userName
     */
    public String getUserName() {
        System.out.println("Inside getter "+userName);
        return userName;
    }

    /**
     * @param userName the userName to set
     */
    public void setUserName(String userName) {
        System.out.println("Inside setter "+userName);
        this.userName = userName;
    }

    /**
     * @return the password
     */
    public String getPassword() {
        return password;
    }

    /**
     * @param password the password to set
     */
    public void setPassword(String password) {
        this.password = password;
    }

public String getTimeId() {
return timeId;
}

public void setTimeId(String timeId) {
this.timeId = timeId;
}
   
   
}
-------------------------
资源文件：
t=t1,t2,t3,t4,t5,t6,t7
t1=hour
t2=day
t3=week
t4=tttt4
t5=tttt5
t6=tttt6
t7=tttt7
--------------------------------------
jsp文件：
<%--
    Document   : success
    Created on : Dec 15, 2008, 4:08:53 AM
    Author     : [email protected]
--%>

<%@page contentType="text/html" pageEncoding="UTF-8"%>
<%@taglib uri="/WEB-INF/struts-bean.tld" prefix="bean" %>
<%@taglib uri="/WEB-INF/struts-html.tld" prefix="html" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
   "http://www.w3.org/TR/html4/loose.dtd">

<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
        <title>JSP Page</title>
        <script type="text/javascript">
        function showImage(value){
    alert(value);
            }
        </script>
    </head>
    <body>
        <h1>Login Success. Welcome <bean:write name="LoginForm" property="userName"></bean:write></h1>
       <html:select name="LoginForm" property="timeId" onchange="showImage(this.value)">
    <!--mtypelist为request中设置的属性值 labelProperty="label" property="value"固定写法-->
    <html:options collection="mtypelist" labelProperty="label" property="value" />
</html:select>
   </body>
</html>