ABAP开发之双层LOOP的优化
REPORT ZLOOPLUS.DATA GT_SCHOOL TYPE TABLE OF ZSCHOOL WITH HEADER LINE.DATA GT_STUDENT TYPE TABLE OF ZSTUDENT WITH HEADER LINE.SELECT *...
REPORT ZLOOPLUS.DATA GT_SCHOOL TYPE TABLE OF ZSCHOOL WITH HEADER LINE.DATA GT_STUDENT TYPE TABLE OF ZSTUDENT WITH HEADER LINE.SELECT *...