loginaction.java

一个简单的人员管理。运用了ajax和struts、hibernate框架开发。

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

import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionError;
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.hibernate.Query;
import org.hibernate.Session;

import com.liu.ems.hibernate.HibernateSessionFactory;
import com.liu.ems.hibernate.Users;
import com.liu.ems.struts.form.LoginForm;

/** 
 * MyEclipse Struts
 * Creation date: 11-22-2007
 * 
 * XDoclet definition:
 * @struts.action path="/login" name="loginForm" input="/emp/login.jsp" scope="request" validate="true"
 */
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) {
		LoginForm loginForm = (LoginForm) form;// TODO Auto-generated method stub
		ActionErrors errors=new ActionErrors();
		
		if(loginForm.getUsername()==null || "".equals(loginForm.getUsername())){
			errors.add("username",new ActionError("error.username.null"));
			
		}
		if(loginForm.getPassword()==null || "".equals(loginForm.getPassword())){
			errors.add("password",new ActionError("error.password.null"));
			
		}
		if(!errors.isEmpty()){
			 this.saveErrors(request, errors);
			 return mapping.getInputForward();
			
		}
		
		
		String name=loginForm.getUsername();
		String pass=loginForm.getPassword();
		Session ses=HibernateSessionFactory.getSession();
		String hql="from Users";//查询所有
		Query query=ses.createQuery(hql);
		List<Users> list=query.list();
		String  username=null;
		String  password=null;
		for(Users u:list)
		   {
			  username=u.getUsername();
			  password=u.getPassword();
			  
			   //System.out.println("用户名："+u.getUsername()+"密码："+u.getPassword()+"年龄:"+u.getAge()+"姓名："+u.getSex());
			   
		   }
		System.out.print("用户名："+name+"密码："+pass);
		System.out.print(username+password);
		if(name.equals(username) && pass.equals(password))
		{
			return mapping.findForward("addEmployees");
			
		}else
		{
			return mapping.findForward("failed");
			
		}
		
	}
}