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 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 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 editLopMonHocFull(LopMonHocEntity lop) throws SQLException { PreparedStatement stmt = null; Connection conn = null; SimpleDateFormat format = new SimpleDateFormat("yyyy/MM/dd"); try { String SQL = "update LOPMONHOC set MaGioHoc = ?, MaPhong = ?, NgayBatDauHoc = ?, NgayNghiDKBatDau = ?, NgayNghiDKKetThuc = ?, NgayHoc = ?, GiangVien = ?, NgayThiDuKien = ? WHERE IdLopMonHoc = ?"; conn = DBPool.getConnection(); stmt = conn.prepareStatement(SQL); stmt.setString(1, lop.getMaGioHoc()); // stmt.setString(2, format.format(sv.getNgaySinh())); stmt.setString(2, lop.getMaPhong()); stmt.setString(3, format.format(lop.getNgayBatDauHoc())); stmt.setString(4, format.format(lop.getNgayNghiDKBatDau())); stmt.setString(5, format.format(lop.getNgayNghiDKKetThuc())); stmt.setString(6, lop.getNgayHoc()); stmt.setString(7, lop.getGiangVien()); stmt.setString(8, format.format(lop.getNgayThiDuKien())); stmt.setInt(9, lop.getIdLopMonHoc()); stmt.executeUpdate(); } finally { try { stmt.close(); conn.close(); } catch (SQLException ex) { throw ex; } } }
public int addLopMonHoc(LopMonHocEntity lopMonHoc) throws SQLException { int id = 0; PreparedStatement stmt = null; Connection conn = null; SimpleDateFormat format = new SimpleDateFormat("yyyy/MM/dd"); try { String SQL = "INSERT INTO LOPMONHOC VALUES(?,?,?,?,?,?,?,?,?,?)"; conn = DBPool.getConnection(); stmt = conn.prepareStatement(SQL, Statement.RETURN_GENERATED_KEYS); stmt.setString(1, lopMonHoc.getMaMonHoc()); stmt.setString(2, lopMonHoc.getMaLop()); stmt.setString(3, lopMonHoc.getMaGioHoc()); stmt.setString(4, lopMonHoc.getMaPhong()); stmt.setString(5, format.format(lopMonHoc.getNgayBatDauHoc())); stmt.setString(6, ""); stmt.setString(7, ""); stmt.setString(8, lopMonHoc.getNgayHoc()); stmt.setString(9, lopMonHoc.getGiangVien()); stmt.setString(10, format.format(lopMonHoc.getNgayThiDuKien())); stmt.executeUpdate(); ResultSet rs = stmt.getGeneratedKeys(); rs.next(); id = rs.getInt(1); System.out.println("ID: " + id); } finally { try { stmt.close(); conn.close(); } catch (SQLException ex) { throw ex; } } return id; }
public int addNgayHoc(int idLopMonHoc, String NgayHoc) throws SQLException { int id = 0; PreparedStatement stmt = null; Connection conn = null; SimpleDateFormat format = new SimpleDateFormat("yyyy/MM/dd"); try { String SQL = "INSERT INTO NGAYHOC(IdLopMonHoc,NgayHoc) VALUES(?,?)"; conn = DBPool.getConnection(); stmt = conn.prepareStatement(SQL, Statement.RETURN_GENERATED_KEYS); stmt.setInt(1, idLopMonHoc); stmt.setString(2, NgayHoc); stmt.executeUpdate(); ResultSet rs = stmt.getGeneratedKeys(); rs.next(); id = rs.getInt(1); System.out.println("ID: " + id); } finally { try { stmt.close(); conn.close(); } catch (SQLException ex) { throw ex; } } return id; }
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); } }