TYPES : BEGIN OF t_alv,
            trno    LIKE zcf0070t-trno,   "거래관리번호
            ptdt    LIKE zcf0070t-ptdt,   "만기일
            trdt    LIKE zcf0070t-trdt,   "거래일자
            prdcd   LIKE zcf0070t-prdcd,  "제품코드
            trqnt   LIKE zcf0070t-trqnt,  "거래량
            lmein   LIKE zcf0070t-lmein,  "기본단위
            trgb    LIKE zcf0070t-trgb,   "거래구분
            trgbt(10),                    "TRGB Fix Value
            waers   LIKE zcf0070t-waers,  "통화키
            netpr   LIKE zcf0070t-netpr,  "거래단가
            commi   LIKE zcf0070t-commi,  "수수료
            traten  LIKE zcf0002t-traten, "수수료율
            tratec  LIKE zcf0070t-tratec, "수수료율코드
            netp1   LIKE zcf0070t-netpr,  "Current Price
*            netp2   LIKE zcf0070t-netpr,  "Evaluation
            netp2   TYPE p DECIMALS 2,     "Evaluation
            settcnt LIKE zcf0070t-settcnt,"청산횟수
            fcmcdk  LIKE zcf0070t-fcmcdk, "FCM 구매처코드
            name1   LIKE lfa1-name1,      "FCM name
            ibcdk   LIKE zcf0070t-ibcdk,  "IB 구매처코드
            name2   LIKE lfa1-name1,      "IB name
            hggb    LIKE zcf0070t-hggb,   "Hedge구분
            hggbt(12),                    "Hedge fix value
            note    LIKE zcf0070t-note,   "비고

            ct      TYPE lvc_t_scol,      "Color
            deci    TYPE lvc_t_fcat,      "DECIMALS
          END OF t_alv,

  DATA : gs_variant          TYPE disvariant,
         gs_layout           TYPE slis_layout_alv,
         gs_def_variant      TYPE disvariant,
         gs_alv              TYPE t_alv,
         gs_lfa1             TYPE t_lfa1,
         gs_0010t            LIKE zcf0010t,
         gs_tsd3t            TYPE t_tsd3t,
         gs_tratec           LIKE zcf0002t.

  gs_layout-coltab_fieldname = 'CT'.
*  gs_layout-expand_fieldname = 'DECI'.

  SORT gt_alv BY ptdt trdt prdcd.
* Display ALV
  CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
    EXPORTING
      i_callback_program       = sy-repid
      it_fieldcat              = gt_fieldcat
      i_callback_user_command  = c_user_command           "USER_COMMAND
      is_layout                = gs_layout
      i_callback_top_of_page   = c_top_of_page            "TOP_OF_PAGE
      i_callback_pf_status_set = c_set_status             "SET_STATUS
      i_default                = 'X'
      i_save                   = 'A'
      is_variant               = gs_variant
    TABLES
      t_outtab                 = gt_alv.

빨간색이 색을 필드값으로 비교할려구 만든거구요..CT

파란색 부분이 코드값에 따라 필드 자릿수를 나타낼려구 만들었는데요... DECI

색은  gs_layout-coltab_fieldname = 'CT'. 이렇게 선언하면 되는데요..

필드 자릿수는 어떤식으로 넣어줘야되는지 궁금해서 한번 여쭤 볼께요..

고수님들 부탁 드립니다..^^