// ɾ�� @Override public boolean deleteCertType(CertType ct) { int i = 0; PreparedStatement pstmt = null; String sql = "delete from tab_certtype where content=?"; try { pstmt = conn.prepareStatement(sql); pstmt.setString(1, ct.getContent()); i = pstmt.executeUpdate(); if (i != 0) return true; } catch (SQLException e) { // TODO Auto-generated catch block System.out.println("delete error!"); } return false; }
// ���� @Override public boolean addCertType(CertType ct) { // TODO Auto-generated method stub int i = 0; PreparedStatement pstmt = null; String sql = "insert into tab_certtype(content) value(?)"; try { pstmt = conn.prepareStatement(sql); // pstmt.setInt(1, ct.getID()); pstmt.setString(1, ct.getContent()); i = pstmt.executeUpdate(); if (i != 0) return true; } catch (SQLException e) { // TODO Auto-generated catch block System.out.println("addCertType error!"); } return false; }
@Override public boolean ModifyCertType(CertType ct) { // TODO Auto-generated method stub int i = 0; PreparedStatement pstmt = null; String sql = "update tab_certtype set content=? where ID=?"; try { pstmt = conn.prepareStatement(sql); pstmt.setString(1, ct.getContent()); pstmt.setInt(2, ct.getID()); i = pstmt.executeUpdate(); if (i != 0) return true; } catch (SQLException e) { // TODO Auto-generated catch block System.out.println("modify error!"); } return false; }