运行以下代码即可看到效果：
[@more@]report Demo_001.DATA: square TYPE i,
cube TYPE i.
start-of-selection.
format hotspot.
do 10 times.
square = sy-index ** 2.
cube = sy-index ** 3.
write : / sy-index.
hide: square, cube.
enddo.
at line-selection.
write: square, cube.