SAP BDC 调用中 金额格式转换

在BDC调用中，由于用户设置不同，导致金额、日期等字段的输入格式不正确。此处给出 自创 金额转换FM 并配有 调用方式。

function zgm_conver_cuur.
*"----------------------------------------------------------------------
*"*"Local Interface:
*"  IMPORTING
*"     REFERENCE(I_STRIN)
*"     REFERENCE(I_DECIMALS) TYPE  I
*"  EXPORTING

*"     REFERENCE(E_STROUT)
*"----------------------------------------------------------------------
  data:l_dcpfm   like usr01-dcpfm,
       l_strin   type char20,
       l_reverse type char20,
       l_strout  type char20,
       l_str1    type string,
       l_str2    type string,
 
       l_mask    type string.
  data:l_lenth type i.
  data:l_lenth2 type i.
  clear l_mask.
  l_str2 = '___'.
  case i_decimals.
    when 2.
      l_str1 = '__'.
    when 3.
      l_str1 = '___'.
    when 4.
      l_str1 = '____'.
    when others.
  endcase.
 
  l_strin = i_strin.
  "remove Punctuation by space
  replace '.' with '' into l_strin.
  condense l_strin no-gaps.
  l_lenth = strlen( l_strin ).
  l_lenth2 = l_lenth - i_decimals.
 
  case l_lenth2.
    when 1 or 2 or 3.
    when 4 or 5 or 6.
    when others.
  endcase.
  "reverse string
  call function 'STRING_REVERSE'
    exporting
      string  = l_strin
      lang    = sy-langu
    importing
      rstring = l_reverse.
 
  select single dcpfm into l_dcpfm from usr01 where bname = sy-uname.
 
  case l_dcpfm.
    when ''.
      case l_lenth2.
        when 1 or 2 or 3.
          concatenate l_str1 l_str2 into l_mask separated by ','.
        when 4 or 5 or 6.
          concatenate l_str2 l_str2 into l_mask separated by '.'.
          concatenate l_str1 l_mask into l_mask separated by ','.
        when 7 or 8 or 9.
          concatenate l_str2 l_str2 l_str2 into l_mask separated by '.'.
          concatenate l_str1 l_mask into l_mask separated by ','.
        when 10 or 11 or 12.
          concatenate l_str2 l_str2 l_str2 l_str2 into l_mask separated by '.'.
          concatenate l_str1 l_mask into l_mask separated by ','.
        when others.
      endcase.
    when 'X'.
      case l_lenth2.
        when 1 or 2 or 3.
          concatenate l_str1 l_str2 into l_mask separated by '.'.
        when 4 or 5 or 6.
          concatenate l_str2 l_str2 into l_mask separated by ','.
          concatenate l_str1 l_mask into l_mask separated by '.'.
        when 7 or 8 or 9.
          concatenate l_str2 l_str2 l_str2 into l_mask separated by ','.
          concatenate l_str1 l_mask into l_mask separated by '.'.
        when 10 or 11 or 12.
          concatenate l_str2 l_str2 l_str2 l_str2 into l_mask separated by ','.
          concatenate l_str1 l_mask into l_mask separated by '.'.
        when others.
      endcase.
    when 'Y'.
      case l_lenth2.
        when 1 or 2 or 3.
          concatenate l_str1 l_str2 into l_mask separated by ','.
        when 4 or 5 or 6.
          concatenate l_str2 l_str2 into l_mask separated by space.
          concatenate l_str1 l_mask into l_mask separated by ','.
        when 7 or 8 or 9.
          concatenate l_str2 l_str2 l_str2 into l_mask separated by space.
          concatenate l_str1 l_mask into l_mask separated by ','.
        when 10 or 11 or 12.
          concatenate l_str2 l_str2 l_str2 l_str2 into l_mask separated by space.
          concatenate l_str1 l_mask into l_mask separated by ','.
        when others.
      endcase.
  endcase.
 
  write  l_reverse using edit mask l_mask to l_strout.
 
  if sy-subrc = 0.
    "reverse string
    call function 'STRING_REVERSE'
      exporting
        string  = l_strout
        lang    = sy-langu
      importing
        rstring = e_strout.
  endif.
endfunction.

  DATA:l_wrbtr LIKE bdcdata-fval.       "BDC Amount
 
    l_wrbtr = <lfs_post>-kwert.
 
    CONDENSE l_wrbtr NO-GAPS.
 
    CALL FUNCTION 'ZGM_CONVER_CUUR'
      EXPORTING
        i_strin    = l_wrbtr
        i_decimals = 2"两位小数，也可三位  四位
      IMPORTING
        e_strout   = l_wrbtr.