logonaction.java

JSP+Struts+Hibernate进行网络开发的一个实例

package cn.com.zzb.eshopping.logon;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
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 org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import cn.com.zzb.eshopping.model.*;
import cn.com.zzb.eshopping.model.sql.SqlUserFactory;
import cn.com.zzb.eshopping.Constants;
public class LogonAction extends Action{
	
	public ActionForward execute(ActionMapping mapping,
			                     ActionForm form,
			                     HttpServletRequest request,
			                     HttpServletResponse response) throws Exception
   {
		LogonForm actionForm = (LogonForm)form;
		String username = actionForm.getUsername();
		String password = actionForm.getPassword();	
		String chkma = actionForm.getChkma();
		HttpSession session = request.getSession();
		String rand = (String)session.getAttribute("rand");
		ActionMessages messages = new ActionMessages();
		
		if(chkma.equals(rand))
		{
	        UserFactory userFactory = Factory.getInstance().InitUserFactory();
		    String info = userFactory.ChkUser(username,password);		
		    if(info.equals("0")){
				ActionMessage message = new ActionMessage("logon.notice");
				messages.add(Constants.NOTICE,message);
				saveErrors(request,messages);
				return (mapping.findForward(Constants.FAIL));
				}
		    else if(info.equals("1")){
					ActionMessage message = new ActionMessage("logon.fail.username",username);
					messages.add(Constants.USERNAME,message);
					saveErrors(request,messages);
					return (mapping.findForward(Constants.FAIL));
				}
			else if(info.equals("2")){
					ActionMessage message = new ActionMessage("logon.fail.password");
					messages.add(Constants.PASSWORD,message);
					saveErrors(request,messages);
					return (mapping.findForward(Constants.FAIL));
				}
			else{
				    User user = new SqlUserFactory().ListUser(username);
				    session.setAttribute(Constants.CURRENT_USER,user);
					return (mapping.findForward(Constants.SUCCESS));
		        }				
		 }
		else
		{
			ActionMessage message = new ActionMessage("logon.fail.chkma");
			messages.add(Constants.CHKMA,message);
			saveErrors(request,messages);
			return (mapping.findForward(Constants.FAIL));			
		}
      }
}