login.java

网站注册

package org.baobao.servlet;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import org.baobao.dao.dbStu;
public class Login extends HttpServlet
{
	public void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException
	{
		request.setCharacterEncoding("GB2312");
		String userName = request.getParameter("userName");
		String str_userPwd = request.getParameter("userPwd");
		HttpSession session = request.getSession();
		
		int userPwd = Integer.parseInt(str_userPwd);	
		if (new dbStu().queryUser(userName,userPwd))
		{
			session.setAttribute("userName",userName);
			response.sendRedirect("/Demo01/Show.jsp");
		}else
		{
			response.sendRedirect("/Demo01/Login.jsp?error="+userName+" "+userPwd);
		}
	}
	public void doPost(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException
	{
		doGet(request,response);
	}
}