p_RETCODE := '-1';
p_retInfo := '已生成工資+社保類型賬單，請不要重復生成。';
raise biz_exception;

exception
WHEN biz_exception then
null;
when others then
p_RETCODE := SQLCODE;
p_retInfo := SUBSTR(SQLERRM, 1, 1000);
DBMS_OUTPUT.PUT_LINE('Error code ' || p_RETCODE || ': ' || p_retInfo);
rollback;