loginaction.java

首先确保MySQL4.0数据库已经正确安装

package edu.jnestore.action;

import javax.servlet.http.*;
import org.apache.struts.action.*;
import edu.jnestore.beans.*;
import edu.jnestore.util.*;
import edu.jnestore.common.*;
import edu.jnestore.service.*;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import edu.jnestore.exceptions.*;
/**
 * 处理登录请求
 */
public class LoginAction  extends Action
{
  public ActionForward execute(ActionMapping actionMapping ,
                               ActionForm actionForm ,
                               HttpServletRequest httpServletRequest ,
                               HttpServletResponse httpServletResponse)
  {
    Log bizlog=LogFactory.getLog("Businesslog");  
    Log errlog=LogFactory.getLog("Errlog");            
 
    HttpSession session = httpServletRequest.getSession();   
    IBizService bizservice = BizServiceFactory.createService();
    Account account = null;
    LoginActionForm loginForm =null;
    try
    {  
    
       loginForm = (LoginActionForm)actionForm;
       account = bizservice.login(loginForm.getUserName(),loginForm.getPassword());
      if(account != null )
      {
        session.setAttribute(Constants.USER_KEY,new User(account.getUserid()));       
        bizlog.info(account.getUserid() + " logon");
      }      
    }
    catch(DBException exception)
    {
            ActionErrors errors = new ActionErrors();
            ActionError error = new ActionError("promt.dbexception");
            errors.add( ActionErrors.GLOBAL_ERROR, error );
            saveErrors( httpServletRequest, errors );
            errlog.error("database operation failed");
            return (actionMapping.findForward("failure"));
    } 
     catch(LoginFailedException exception)
    {
    	    System.out.println("loginfail");
            ActionErrors errors = new ActionErrors();
            ActionError error = new ActionError("promt.loginfailedexception");
            errors.add( ActionErrors.GLOBAL_ERROR, error );
            saveErrors( httpServletRequest, errors );
            bizlog.info("loginfailed with username "+ loginForm.getUserName());
            return (actionMapping.findForward("failure"));
    }    
    return actionMapping.findForward("success");
  }
}