classservlet.java

一个有jsp和servlet开发的网络购物系统

package action;

import java.io.IOException;
import java.util.ArrayList;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import dao.ConDB;

 public class ClassServlet extends javax.servlet.http.HttpServlet implements javax.servlet.Servlet {
   static final long serialVersionUID = 1L;

	public ClassServlet() {
		super();
	}   	

	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		
		HttpSession session=request.getSession();
		String name=request.getParameter("name");
		String pass=request.getParameter("pass");
		ConDB con=new ConDB();
		int i=con.getUserAll(name, pass);
		session.setAttribute("name", name);
		ArrayList li=new ArrayList();
		li=con.getItemAll();
		session.setAttribute("GoodsAll", li);
		
		
		if(i==-1)
			{
				response.sendRedirect("error.jsp");			
			}		
		else
			{
				if(i==0)
				{
					session.setAttribute("grade", "普通用户");
				}
				else if(i==1)
				{
					session.setAttribute("grade", "VIP用户");
				}
				response.sendRedirect("left.jsp");
			}	
		System.out.println(name);
		
		
			}  
	
	
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		doGet(request,response);
	}   	  	    
}