userloginservlet.java

网上商城代码

package com.fendou.manage.servlet;

import java.io.IOException;
import java.io.PrintWriter;

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

import com.fendou.dao.UserManage;
import com.fendou.exception.UserException;
import com.fendou.vo.AuthorToken;

public class UserLoginServlet extends HttpServlet {
	
	public UserLoginServlet() {
		super();
	}

	public void destroy() {
		super.destroy(); 
		
	}

	
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		doPost(request,response);
		
	}

	
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
        String user=request.getParameter("user");
        String pwd=request.getParameter("pwd");
        UserManage umanage=new UserManage(); 
        try {
			boolean isLogin=umanage.validateUser(user, pwd);
			if(isLogin){
				HttpSession session=request.getSession();
				AuthorToken a=new AuthorToken();
				a.setUserName(user);
				session.setAttribute("authorToken", a);
				request.getRequestDispatcher("goodsList").forward(request, response);
			}	
			else{
				request.setAttribute("error", "用户名和密码错误，请重新输入");
				request.getRequestDispatcher("login.jsp").forward(request, response);
			}
		} catch (UserException e) {
			System.out.println(e);
			request.getRequestDispatcher("error.jsp").forward(request, response);
		}		
	}	
	public void init() throws ServletException {
		
	}

}