oracle 存储过程返回 结果集 table形式的案例

create or replace procedure p_test(p_cur out sys_refcursor) 
as 
begin 
   open p_cur for select * from emp; 
end p_test; 
declare
p_cur sys_refcursor;
i emp%rowtype;
begin
 p_test(p_cur);
 loop fetch p_cur 
  into i;
  exit when p_cur%notfound;
  DBMS_OUTPUT.PUT_LINE('---'||i.ename||'---'||i.empno);
  end loop;
  close p_cur;
end;

create or replace package LogOperation is
 type listLog is ref cursor;
 procedure PCenterExamine_sel(listCenterExamine out listlog,testlist out listLog,numpage in decimal);
end;

create or replace package body LogOperation is
 procedure PCenterExamine_sel
 (
  listCenterExamine out listlog,
  testlist out listlog,
  numpage in decimal
 ) 
 as
 begin
  open listCenterExamine for select * from Log_CenterExamine;
  open testlist for select * from Log_CenterExamine;
 end;
end;

public static DataSet RunProcedureGetDataSet(string storedProcName, OracleParameter[] parameters)
    {
      string connectionString ="192.168.1.1/db";
      using (OracleConnection connection = new OracleConnection(connectionString))
      {
        DataSet dataSet = new DataSet();
        connection.Open();
        OracleDataAdapter sqlDA = new OracleDataAdapter();
        sqlDA.SelectCommand = BuildQueryCommand(connection, storedProcName, parameters);
        sqlDA.Fill(dataSet, "dt");
        connection.Close();
        return dataSet;
      }
    }

private static OracleCommand BuildQueryCommand(OracleConnection connection, string storedProcName, IDataParameter[] parameters)
    {
      OracleCommand command = new OracleCommand(storedProcName, connection);
      command.CommandType = CommandType.StoredProcedure;
      foreach (OracleParameter parameter in parameters)
      {
        command.Parameters.Add(parameter);
      }
      return command;
    }

OracleParameter[] paramDic = { 
          new OracleParameter("listCenterExamine",OracleType.Cursor),
          new OracleParameter("testlist",OracleType.Cursor),
          new OracleParameter("numpage",OracleType.Int32)};
        paramDic[0].Direction = ParameterDirection.Output;
        paramDic[1].Direction = ParameterDirection.Output;
        paramDic[2].Value = 1;
        ds = Model.OracleHelper.RunProcedureGetDataSet("LogOperation.PCenterExamine_sel", paramDic);