Oracle游标循环格式

SET SERVEROUTPUT ON
DECLARE
v_ename VARCHAR2(10);
v_job VARCHAR2(10);
CURSOR emp_cursor IS
SELECT Cn_NAME,MAN_ID FROM man_tb WHERE MAN_ID IN('2000003','2000015','2000017');
BEGIN
OPEN emp_cursor;
IF emp_cursor%ISOPEN THEN
LOOP
FETCH emp_cursor INTO v_ename,v_job;
EXIT WHEN emp_cursor%NOTFOUND;
DBMS_OUTPUT.PUT_LINE(to_char(emp_cursor%ROWCOUNT)||'-'||v_ename);
END LOOP;
END IF;
CLOSE emp_cursor;
end;