@Override
 public int AddOperator(T_Operator tOperator) {
   // TODO Auto-generated method stub
   String sql =
       "insert into t_operator(t_operator.O_ID,t_operator.O_Password,t_operator.O_Name,t_operator.O_IDCard,t_operator.O_Department,t_operator.O_Adress,t_operator.O_Tel,t_operator.R_ID,t_operator.A_ID,t_operator.O_Time) values (?,?,?,?,?,?,?,?,?,?)";
   int temp = -1;
   try {
     temp =
         DB.update(
             sql,
             tOperator.getO_ID(),
             tOperator.getO_Password(),
             tOperator.getO_Name(),
             tOperator.getO_IDCard(),
             tOperator.getO_Department(),
             tOperator.getO_Adress(),
             tOperator.getO_Tel(),
             tOperator.getR_ID(),
             tOperator.getA_ID(),
             new Timestamp(tOperator.getO_Time().getTime()));
   } catch (SQLException e) {
     // TODO Auto-generated catch block
     e.printStackTrace();
   }
   return temp;
 }
 @Override
 public int DeleteOperator(String OId) {
   // TODO Auto-generated method stub
   String sql = "DELETE FROM t_operator WHERE t_operator.O_ID=?";
   int temp = -1;
   try {
     temp = DB.update(sql, OId);
   } catch (SQLException e) {
     // TODO Auto-generated catch block
     e.printStackTrace();
   }
   return temp;
 }
 @Override
 public int UpdateOperator(T_Operator tOperator) {
   // TODO Auto-generated method stub
   String sql =
       "update t_operator set t_operator.O_Name=?,t_operator.O_IDCard=?,t_operator.O_Department=?,t_operator.O_Adress=?,t_operator.O_Tel=?,t_operator.R_ID=?,t_operator.A_ID=? where t_operator.O_ID=?";
   int temp = -1;
   try {
     temp =
         DB.update(
             sql,
             tOperator.getO_Name(),
             tOperator.getO_IDCard(),
             tOperator.getO_Department(),
             tOperator.getO_Adress(),
             tOperator.getO_Tel(),
             tOperator.getR_ID(),
             tOperator.getA_ID(),
             tOperator.getO_ID());
   } catch (SQLException e) {
     // TODO Auto-generated catch block
     e.printStackTrace();
   }
   return temp;
 }