如何取得某月的最后一天

1 Introduction.

This blog will demostrate how to ge the last day in the month. We only need
transform two parameters and get the last day.

2 Example

  data lv_periv type t009b-periv.
  data lv_poper type t009b-poper.

  lv_periv = 'K4'.
  lv_poper = 5.

call function 'LAST_DAY_IN_PERIOD_GET'
  exporting
    i_gjahr              = 2021
*   I_MONMIT             = 00
    i_periv              =  lv_periv
    i_poper              = lv_poper
 importing
   e_date               =  l_date
* EXCEPTIONS
*   INPUT_FALSE          = 1
*   T009_NOTFOUND        = 2
*   T009B_NOTFOUND       = 3
*   OTHERS               = 4
          .
if sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
*         WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
endif.

 if l_date is not initial.
 endif.