loginaction.java

这是一个购物网站可以实现购物的功能还有后台管理

package com.my.struts.action;
import java.util.ArrayList;
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.my.model.MyCartBO;
import com.my.model.UserBean;
import com.my.model.UserBeanBO;
import com.my.struts.form.LoginActionForm;
public class LoginAction extends Action {
	@Override
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) throws Exception {
		LoginActionForm laf=(LoginActionForm)form;
		String u=laf.getUserName();
		String p=laf.getPassword();
		//System.out.println(u);
		//System.out.println(p);
		UserBeanBO ubb=new UserBeanBO();
	       if(ubb.checkUser(u, p)==1)
	       { 	//1. 把成功登陆的用户信息放入SESSION
	    	   UserBean ub=ubb.getUserBean(u);
	        request.getSession().setAttribute("userInfo", ub);
	        //2.把购物车的信息放入SESSION
	        MyCartBO mbo=(MyCartBO)request.getSession().getAttribute("cart");
	       if(mbo==null)
	       {
	    	   //System.out.println("执行登录！");
	    	   return mapping.findForward("index");
	    	   
	       }else{
	        ArrayList al=mbo.showMyCart();
	        request.setAttribute("alInfo", al);
	        return mapping.findForward("success");
	       }
	       }
	       else if(ubb.checkUser(u, p)==2)
	       {
	    	   request.setAttribute("err","2");
	          return mapping.findForward("error");
	       }
	       else 
	       {
	    	   request.setAttribute("err","3");
	    	   return mapping.findForward("error");
	       }
		
	}
	
}