public ArrayList<GioHocEntity> getAllGioHoc() throws Exception {
ArrayList<GioHocEntity> arrGioHoc = new ArrayList<GioHocEntity>();
Statement stmt = null;
ResultSet rs = null;
Connection cn = null;
try {
cn = DBPool.getConnection();
stmt = cn.createStatement();
String SQL = "SELECT * FROM GIOHOC ORDER BY MaGioHoc ASC";
rs = stmt.executeQuery(SQL);
while (rs.next()) {
GioHocEntity gioHoc = new GioHocEntity();
gioHoc.setMaGioHoc(rs.getString(1));
gioHoc.setThoiGian(rs.getString(2));
arrGioHoc.add(gioHoc);
}
} catch (Exception ex) {
throw ex;
} finally {
try {
DBPool.releaseConnection(cn, stmt, rs);
} catch (Exception e) {
throw e;
}
}
return arrGioHoc;
}
public ArrayList<PhongHocEntity> getAllPhongHoc() throws Exception {
ArrayList<PhongHocEntity> arrPhongHoc = new ArrayList<PhongHocEntity>();
Statement stmt = null;
ResultSet rs = null;
Connection cn = null;
try {
cn = DBPool.getConnection();
stmt = cn.createStatement();
String SQL = "SELECT * FROM PHONGHOC";
rs = stmt.executeQuery(SQL);
while (rs.next()) {
PhongHocEntity phongHoc = new PhongHocEntity();
phongHoc.setMaPhongHoc(rs.getString(1));
phongHoc.setTenPhongHoc(rs.getString(2));
arrPhongHoc.add(phongHoc);
}
} catch (Exception ex) {
throw ex;
} finally {
try {
DBPool.releaseConnection(cn, stmt, rs);
} catch (Exception e) {
throw e;
}
}
return arrPhongHoc;
}
public String getTenPhongHoc(String Ma) throws Exception {
String Ten = "";
PreparedStatement stmt = null;
Connection conn = null;
ResultSet rs = null;
try {
String SQL = "SELECT TenPhongHoc FROM PHONGHOC WHERE MaPhongHoc = ?";
conn = DBPool.getConnection();
stmt = conn.prepareStatement(SQL);
stmt.setString(1, Ma);
rs = stmt.executeQuery();
while (rs.next()) {
Ten = rs.getString(1);
}
} catch (Exception ex) {
throw ex;
} finally {
try {
DBPool.releaseConnection(conn, stmt, rs);
} catch (Exception e) {
throw e;
}
}
return Ten;
}
public boolean checkDuplicateThoiKhoaBieu(String MaLop, String MaMon) throws Exception {
PreparedStatement stmt = null;
Connection conn = null;
ResultSet rs = null;
try {
String SQL = "SELECT * from LOPMONHOC WHERE MaLop = ? AND MaMonHoc = ?";
conn = DBPool.getConnection();
stmt = conn.prepareStatement(SQL);
stmt.setString(1, MaLop);
stmt.setString(2, MaMon);
rs = stmt.executeQuery();
while (rs.next()) {
return true;
}
} catch (Exception ex) {
throw ex;
} finally {
try {
DBPool.releaseConnection(conn, stmt, rs);
} catch (Exception e) {
throw e;
}
}
return false;
}
public ArrayList<LopMonHocEntity> getAllLopMonHoc() throws Exception {
ArrayList<LopMonHocEntity> arrLopMonHoc = new ArrayList<LopMonHocEntity>();
Statement stmt = null;
ResultSet rs = null;
Connection cn = null;
SimpleDateFormat format = new SimpleDateFormat("dd/MM/yyyy");
try {
cn = DBPool.getConnection();
stmt = cn.createStatement();
String SQL =
"SELECT LOPMONHOC.*, MONHOC.TenMonHoc, MONHOC.SoGio, LOPHOC.TenLop, GIOHOC.ThoiGian, PHONGHOC.TenPhongHoc FROM LOPMONHOC"
+ " INNER JOIN MONHOC ON LOPMONHOC.MaMonHoc = MONHOC.MaMonHoc"
+ " INNER JOIN LOPHOC ON LOPMONHOC.MaLop = LOPHOC.MaLop"
+ " INNER JOIN GIOHOC ON LOPMONHOC.MaGioHoc = GIOHOC.MaGioHoc"
+ " INNER JOIN PHONGHOC ON LOPMONHOC.MaPhong = PHONGHOC.MaPhongHoc";
rs = stmt.executeQuery(SQL);
while (rs.next()) {
LopMonHocEntity lopMonHoc = new LopMonHocEntity();
lopMonHoc.setIdLopMonHoc(Integer.parseInt(rs.getString(1)));
lopMonHoc.setMaMonHoc(rs.getString(2));
lopMonHoc.setMaLop(rs.getString(3));
lopMonHoc.setMaGioHoc(rs.getString(4));
lopMonHoc.setMaPhong(rs.getString(5));
lopMonHoc.setNgayBatDauHoc(rs.getDate(6));
lopMonHoc.setNgayBatDauHocView(format.format(rs.getDate(6)));
lopMonHoc.setNgayNghiDKBatDau(rs.getDate(7));
lopMonHoc.setNgayNghiDKBatDauView(format.format(rs.getDate(7)));
lopMonHoc.setNgayNghiDKKetThuc(rs.getDate(8));
lopMonHoc.setNgayNghiDKKetThucView(format.format(rs.getDate(8)));
lopMonHoc.setNgayHoc(rs.getString(9));
lopMonHoc.setGiangVien(rs.getString(10));
lopMonHoc.setNgayThiDuKienView(format.format(rs.getDate(11)));
lopMonHoc.setTenMonHoc(rs.getString(12));
lopMonHoc.setSoGio(Integer.parseInt(rs.getString(13)));
lopMonHoc.setTenLop(rs.getString(14));
lopMonHoc.setThoiGian(rs.getString(15));
lopMonHoc.setTenPhongHoc(rs.getString(16));
arrLopMonHoc.add(lopMonHoc);
}
} catch (Exception ex) {
throw ex;
} finally {
try {
DBPool.releaseConnection(cn, stmt, rs);
} catch (Exception e) {
throw e;
}
}
return arrLopMonHoc;
}
public void deleteLopMonHoc(ArrayList<LopMonHocEntity> arr) throws SQLException, Exception {
PreparedStatement stmt = null;
Connection conn = null;
try {
conn = DBPool.getConnection();
conn.setAutoCommit(false); // tao transaction
for (LopMonHocEntity lopHoc : arr) {
String SQL = "delete LOPMONHOC where idLopMonHoc = ? ";
stmt = conn.prepareStatement(SQL);
stmt.setInt(1, lopHoc.getIdLopMonHoc());
stmt.executeUpdate();
}
conn.commit();
} catch (Exception ex) {
conn.rollback();
conn.setAutoCommit(true);
throw new Exception(ex.getMessage());
} finally {
DBPool.releaseConnection(conn, stmt);
}
}