selectgrade.java

在线考试系统

package com.gton.servlet.student;

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


import javax.servlet.*;
import javax.servlet.http.*;

import com.gton.bean.Bean.testBean;
import com.gton.bean.db.DataBean;

public class selectGrade extends HttpServlet
{
  DataBean bean=new DataBean();
  public void doPost(HttpServletRequest req,HttpServletResponse res)throws ServletException ,IOException
{
	res.setContentType("text/html;charset=GB2312");
	PrintWriter out=res.getWriter();
	req.setCharacterEncoding("Gb2312");
   
	String number=(String)req.getParameter("number");
	String name=(String)req.getParameter("name");
	
	String  n=bean.checkStudentLogin(name, number);
	 if(n.equals("1")) 
	{
	     testBean bea= bean.selectGrade(number,name);
	     HttpSession session = req.getSession();
	     session.setAttribute("list",bea);
	     RequestDispatcher d = req.getRequestDispatcher("./student/studentGrade.jsp");
         d.forward(req, res);
    }
	 else
	 { 
		 RequestDispatcher d = req.getRequestDispatcher("./student/Grade.jsp");
         d.forward(req, res);}
	}
}