loginaction.java

这个是做web开发的基础程序

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

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import com.yourcompany.DAO.User;
import com.yourcompany.DAO.UserDAO;
import com.yourcompany.struts.form.LoginForm;


public class LoginAction extends Action {
	
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		// TODO Auto-generated method stub
		
		LoginForm loginForm = ( LoginForm ) form;
		UserDAO usrdao = new UserDAO();
		
		
		User usr = new User();
		usr.setUserName( loginForm.getUserName() );
		usr.setPassword( loginForm.getPassword() );
		
		if ( usrdao.hasUser( usr ) ) 
			return mapping.findForward( "success" );
		else 
			return mapping.findForward( "failure" );
		
	}
}