login_servlet.java

在线考试系统

package com.gton.servlet.teach;

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

import javax.servlet.*;
import javax.servlet.http.*;
import com.gton.bean.*;


public class login_servlet extends HttpServlet
{
  teach_login objlogin=new teach_login();
  public void doPost(HttpServletRequest req,HttpServletResponse res)throws ServletException ,IOException
{
	res.setContentType("text/html;charset=GB2312");
	PrintWriter out=res.getWriter();
	req.setCharacterEncoding("Gb2312");
   
	String t_name=(String)req.getParameter("name");
	String t_pwd=(String)req.getParameter("pwd");
	
	String  n=objlogin.checkTeacherLogin(t_name,t_pwd);
	 if(n.equals("1")) 	
	 {
		RequestDispatcher d = req.getRequestDispatcher("./teacher/teach_choose.jsp");
        d.forward(req, res);
	 }
	   
	 else
	 {
	  RequestDispatcher d = req.getRequestDispatcher("./teacher/teach_login_no.jsp");
      d.forward(req, res);
     }
	}
}