JDBC操作之servlet页面

package com.hp.servlet;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import javax.websocket.Session;

import com.hp.bean.Nanyang;
import com.hp.dao.NanyangDao;

@WebServlet("/best")
public class DengLu extends HttpServlet{
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
doPost(req, resp);
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
//中文格式代码
req.setCharacterEncoding(“utf-8”);
resp.setCharacterEncoding(“utf-8”);

	String userName = req.getParameter("userName");
	String pass = req.getParameter("pass");
	
	//JDBC操作
	NanyangDao nanyangDao=new NanyangDao();
	Nanyang nanyang=new Nanyang();
	
	nanyang.setUsername(userName);
	nanyang.setPass(pass);
	
	Nanyang denglu =nanyangDao.denglu(nanyang);
	System.out.println(denglu);
	
	HttpSession session = req.getSession();//把请求放入session
	session.setAttribute("msg",userName );
	
	if(denglu.getUsername()!=null) {
		System.out.println("登陆成功！");
		//跳转页面
		resp.sendRedirect("Chenggong.jsp");
	}else {
		System.out.println("登陆失败！");
		resp.sendRedirect("Shibai.jsp");
	}
	
	
}

}