ABAP 金额和数量增加千分位分隔符

FUNCTION CONVERSION_EXIT_ZTHOU_OUTPUT.
*"----------------------------------------------------------------------
*"*"區域介面：
*"  IMPORTING
*"     VALUE(INPUT)
*"  EXPORTING
*"     VALUE(OUTPUT)
*"----------------------------------------------------------------------

  DATA : ZCLEN TYPE I,
         N TYPE I,
         ZCSTR TYPE STRING,
         ZCSTR2 TYPE STRING,
         ZCTEMP(3) TYPE C,
*         ZFLAG(1) TYPE C VALUE '.',
         ZFLAG2 TYPE C,
         ZCDEC TYPE STRING, "记录小数部分.
         ZNUM(30),
         ZNUM_H(30),
         ZTOTAL(30),
         ZTOTAL_H(30).

  CONDENSE: INPUT.
  IF '-' CA INPUT.
    ZFLAG2 = 'X'.
    INPUT = ABS( INPUT ).
  ENDIF.
*---------------------------------------------------------------------------------------------*1
  IF INPUT IS NOT INITIAL.
* 分离整数与小数，好单独处理整数。
* 压缩字符串，去除前面的空格。
    SPLIT INPUT AT '.' INTO ZCSTR ZCDEC.
    CONDENSE: ZCSTR,ZCDEC.
    ZCLEN = STRLEN( ZCSTR ).
* 在循环中从右面在每三位的前面加上一个逗号。
    WHILE ZCLEN > 3.
      N = ZCLEN - 3.
      ZCTEMP = ZCSTR+N(3).
      IF NOT ZCSTR2 IS INITIAL.
        CONCATENATE ZCTEMP ',' ZCSTR2 INTO ZCSTR2.
      ELSE.
        ZCSTR2 = ZCTEMP.
      ENDIF.
      ZCLEN = ZCLEN - 3.
    ENDWHILE.
* 将不剩下的不足三位数加到前面
    IF ZCLEN > 0.
      IF ZCSTR2 IS NOT INITIAL.
        CONCATENATE ZCSTR+0(ZCLEN) ',' ZCSTR2 INTO ZCSTR2.
      ELSE.
        CONCATENATE ZCSTR+0(ZCLEN) '' INTO ZCSTR2.
      ENDIF.

    ENDIF.

    IF ZFLAG2 = 'X'.
      CONCATENATE '-' ZCSTR2 INTO ZCSTR2.
    ENDIF.
    CLEAR ZCSTR.
* 将处理过的整数与小数连接起来。
    IF ZCDEC IS NOT INITIAL.
      CONCATENATE ZCSTR2 '.' ZCDEC INTO OUTPUT.
    ELSE.
      OUTPUT = ZCSTR2.
*      CONCATENATE ZCDEC '00' INTO ZCDEC.
*      CONCATENATE ZCSTR2 ZCDEC  INTO ZCSTR SEPARATED BY ZFLAG.
    ENDIF.
* 将值返回
*      IS_RESULT-AMOUNT = ZCSTR.
  ELSE.
*      IS_RESULT-AMOUNT = ZNUM.
    OUTPUT = INPUT.
  ENDIF.

ENDFUNCTION.