无表头行内表和有表头行内表的区别

作者:admin 日期:2009-04-17

字体大小: 小中大

data: begin of wa,
     a type i,
     b type i,
     end of wa.
data: itab like wa occurs 0."(无表头).
data: ktab like wa occurs 0 with header line."(有表头).

Do 10 times.
*无表头
wa-a = sy-index.
wa-b = sy-index ** 2.
append wa to itab.
*有表头
ktab-a = sy-index.
ktab-a = sy-index ** 3.
append ktab.
enddo.

*输出
*无表头.
loop at itab into wa.
write:/ wa-a,wa-b.
endloop.
*有表头
loop at ktab.
write:/ktab-a,ktab-b.
endloop.