login.java

图书信息管理系统

package com.servlet;

import java.io.IOException;
import java.sql.Connection;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.DBwork;
import com.data;

public class login extends HttpServlet {

	
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		request.setCharacterEncoding("GB2312");		
		DBwork dbwork = new DBwork();
		data dt = new data();	
		String loginName = request.getParameter("loginName");
		String pwd = request.getParameter("pwd");
		try {
			Connection con = dbwork.getconnection();
			String type = dt.LoginCheck(con, loginName, pwd);			
			if(type.equals("admin")){				
				response.sendRedirect("UserFram.jsp");
			}else if(type.equals("administrator")){				
				response.sendRedirect("MasterFram.jsp");
			}else if(type.equals("error")){
				response.sendRedirect("error.jsp");
			}			
		} catch (Exception e) {			
			e.printStackTrace();
		}
	}

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

		doGet(request,response);
	}

}