oracle调用返回游标的存储过程

In SQL Developer

SET SERVEROUTPUT ON

declare     cur_out_arg CURSORTYPE;     idvalue number; begin     dbms_output.put_line('------------------------');     SPNAME(cur_out_arg, arg1, arg2);     loop        fetch cur_out_arg into idvalue;        exit when cur_out_arg%notfound;        dbms_output.put_line(idvalue);     end loop; end; /