package Register;
import Connect.Connect;
import JavaBean.User;
import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.query.Query;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
import java.util.List;

public class LoginServlet extends HttpServlet {
    private Connect con = Connect.getCon();

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doPost(req, resp);
    }

    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        request.setCharacterEncoding("utf-8");
        response.setContentType("text/html; charset=utf-8");
        String name = request.getParameter("username");
        String password = request.getParameter("password");
        Session hSession=Connect.getConfig();
        Connect.saveSession(hSession);
        Transaction tx=hSession.beginTransaction();
        String hql = "FROM User WHERE username=:name";
        Query query = hSession.createQuery(hql);
        query.setParameter("name",name);
        List results = query.list();
        tx.commit();
        User user = (User) results.get(0);
        if (user.getPassword().equals(password)) {
            System.out.println("登陆成功");
            HttpSession session = request.getSession();
            session.setAttribute("userID", user.getUserId());
            System.out.println(user.getUserId());
            request.getRequestDispatcher("index.html").forward(request, response);
        }
//        String sql = "select password from user where username=" + "\"" + name + "\"";
//        System.out.println(sql);
//        ResultSet rs = con.getResult(sql);
//        try {
//            if (rs.next()) {
//                String word = rs.getString("password");
//                if (word.equals(password)) {
//                    System.out.println(rs.getString("password"));
//                    System.out.println("登陆成功！！");
//                    request.getRequestDispatcher("qianduan/html/index.html").forward(request, response);
//                }
//            }
//        } catch (SQLException e) {
//            e.printStackTrace();
//        }
    }
}