�W�看风云 — Thu, 10 Jul 2008 06:05:00 GMT

1.login.jsp

<%@ page language="java" pageEncoding="UTF-8"%>
<%@ taglib uri="http://struts.apache.org/tags-bean" prefix="bean"%>
<%@ taglib uri="http://struts.apache.org/tags-html" prefix="html"%>

<html>
 <head>
 <title>logintitle>
 head>
 <body>
 <html:form action="/login">
 <html:errors property="handle"/> 
 username : <html:text property="username"/><html:errors property="username"/> 
 password : <html:password property="password"/><html:errors property="password"/> 
 <html:submit/><html:cancel/>
 html:form>
 body>
html>

2.loginAction

/*
* Generated by MyEclipse Struts
* Template path: templates/java/JavaClass.vtl
*/
package com.my.struts.action;

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

import org.apache.struts.Globals;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;

import com.my.struts.form.LoginForm;

/**
* MyEclipse Struts
* Creation date: 06-18-2008
*
* XDoclet definition:
* @struts.action path="/login" name="loginForm" input="/form/login.jsp" scope="request" validate="true"
* @struts.action-forward name="ok" path="/login/login_suc.jsp"
*/
public class LoginAction extends Action {
    /*
     * Generated Methods
     */

    /**
     * Method execute
     * @param mapping
     * @param form
     * @param request
     * @param response
     * @return ActionForward
     */
    public ActionForward execute(ActionMapping mapping, ActionForm form,
            HttpServletRequest request, HttpServletResponse response)throws Exception {
        LoginForm loginForm = (LoginForm) form;// TODO Auto-generated method stub
        String username=loginForm.getUsername();
        String password=loginForm.getPassword();
        if(username.equals("admin")&&password.equals("111111"))
         return mapping.findForward("ok");
        //--------------------------------------------------------------------------------

        //�W�一�U�方�?/span>
        ActionErrors errors=new ActionErrors();
        ActionMessage msg;
        msg=new ActionMessage("login.failed");
        errors.add("handle",msg);
        saveErrors(request, errors);
        //--------------------------------------------------------------------------------

        //�W�二�U�方�?把login.jsp�?lt;html:errors property="handle"/>
改�ؓ
)

//        ActionMessages msg=this.getMessages(request);
//        msg.add(Globals.ERROR_KEY, new ActionMessage("login.failed2"));
//        this.addErrors(request, msg);
        //--------------------------------------------------------------------------------

        return mapping.getInputForward();
    }
}

3.ApplicationResources.properties

# Resources for parameter 'com.my.struts.ApplicationResources'
# Project MessageTest
login.failed=错误的用户名或密�?/span>font>
login.failed2=出错�?/span>!font>

当然�?也可以能�q�loginform里的validate来实�?
ActionErrors errors = new ActionErrors(); // create ActionErrors instance
 ActionMessage msg;
if (username==null||username.length() < 1) {
 msg = new ActionMessage("error.notnull", username);
 errors.add("username", msg);
 }
 if (password==null||password.length() < 1) {
 msg = new ActionMessage("error.notnull", password);
 errors.add("password", msg);
 }
return errors;

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