package Servlet;
import java.io.IOException;
import java.sql.SQLException;
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 Bean.User;
import Dao.LoginDao;
/**
* Servlet implementation class LoginServlet
*/
@WebServlet("/LoginServlet")
public class LoginServlet extends HttpServlet {
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
request.setCharacterEncoding("UTF-8");
LoginDao a=new LoginDao();
String name= request.getParameter("name");
String password= request.getParameter("password");
User user = null;
try {
user = a.getIdentityByName(name);
} catch (SQLException e1) {
// TODO Auto-generated catch block
e1.printStackTrace();
}
String identity=user.getUserCharacter();
boolean flag = false;
try {
flag = a.login(name,password);
} catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (SQLException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
//System.out.print(identity);
if(flag==true){
if(identity=="系统管理员"){
request.getRequestDispatcher("DBManager.jsp").forward(request,response);
System.out.print(identity);
}
if(identity=="班级管理员"){
request.getRequestDispatcher("ClassManager.jsp").forward(request,response);
}
if(identity=="学生"){
request.getRequestDispatcher("Student.jsp").forward(request,response);
}
//else{
//request.getRequestDispatcher("Login.jsp").forward(request,response);
//System.out.print("身份错误");
//
//}
System.out.print(identity);
}
else{
request.getRequestDispatcher("Login.jsp").forward(request,response);
System.out.print("登录失败");
}
}
}