loginservlet.java

JSP+Mysql的网上订餐,用户有增删改除等功能,订单模块

package com.yy.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.yy.bean.UserBean;
import com.yy.dao.UserDao;

public class LoginServlet extends HttpServlet {

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

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

		response.setContentType("text/html");
		PrintWriter out = response.getWriter();
		HttpSession session=request.getSession();
		String name=request.getParameter("uname");
		String pass=request.getParameter("passWord");
		UserDao dao=new UserDao();
		UserBean bean=new UserBean();
		bean.setUserName(name);
		bean.setPassWord(pass);
		boolean a=dao.getUser(bean);
		if(a){
			session.setAttribute("user", bean);
			response.sendRedirect("show.jsp");
			
		}else{
			session.setAttribute("msg", "用户名或密码错误，请重新登陆!");
			request.getRequestDispatcher("login.jsp").forward(request, response);
		}
	}

}