ABAP中的exit退出关键字

start-of-selection.
  perform fm01.
  perform fm02.

form fm01.
  data lv_name type c  length 10.
  data lv_age type i.

  data(lv_cnt) = 0.

  do 100 times.
    if lv_cnt > 5.
      exit. "循环中的exit结束循环
    else.
      lv_cnt = lv_cnt + 1.
    endif.
  enddo.

  "代码块中的exit结束代码块，继续后面的代码块.
  lv_name = sy-uname(10).

  exit.

  lv_age = 18. "不会执行

endform.

form fm02.
  data lv_movie type c  length 10.

  lv_movie = 'The Mistery'.
endform.

start-of-selection.

perform fm01.

perform fm02.

form fm01.

data lv_name type c length 10.

data lv_age type i.

data(lv_cnt) = 0.

do 100 times.

if lv_cnt > 5.

exit. "循环中的exit结束循环

else.

lv_cnt = lv_cnt + 1.

endif.

enddo.

"代码块中的exit结束代码块，继续后面的代码块.

lv_name = sy-uname(10).

exit.

lv_age = 18. "不会执行

endform.

form fm02.

data lv_movie type c length 10.

lv_movie = 'The Mistery'.

endform.

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