ICode9

循环拷贝 1 LOOP AT IT_A . 2 IT_B-xxx = IT_A-xxx . 3 ... 4 APPEND IT_B . 5 CLEAR IT_B . 6 ENDLOOP .   根据内表IT_A修改内表IT_B 1 LOOP AT IT_B . 2 READ IT_A WITH KEY xxx = IT_B-xxx . 3 IF SY-SUBRC = 0 . 4 IT_B-... = IT_A-..