WRITE: /1(Y) SY-ULINE . " 输出长度为Y的横线
LOOP AT LT INTO LS .
WRITE: /1 SY-VLINE NO-GAP, " 不写X时，默认为字段长度，居中必须指定X占位长度
(X) LS-FIELDNAME NO-GAP CENTER, SY-VLINE NO-GAP,
(X) LS-FIELDNAME NO-GAP CENTER, SY-VLINE NO-GAP,
(X) LS-FIELDNAME NO-GAP CENTER, SY-VLINE NO-GAP,
(Y) SY-ULINE .
ENDLOOP.
标签：SY,NO,GAP,WRITE,ABAP,画表格,LS,VLINE From： https://www.cnblogs.com/icebo/p/16749066.html