基于mvc模式的登录验证

package edu.liujie.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 edu.liujie.dao.LoginDAO;
import edu.liujie.entity.User;

public class zhuceServlet extends HttpServlet {
	public zhuceServlet（） {
		super（）;
	}
	public void destroy（） {
		super.destroy（）;
	}

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

		request.setCharacterEncoding（“utf-8“）;
		int i=0;
	    String username=request.getParameter（“username“）;
	    String password=request.getParameter（“password“）;
		//response.setC