SAP 控制小数位的长度显示

日常使用ALV报表时，如果不想显示指定列的小位，可以通过判断字段名，指定    **-DECIMALS_OUT = '0'. "去掉小数点后的0

DATA:
 g_line              TYPE slis_fieldcat_alv,
 gt_fieldcat         TYPE slis_t_fieldcat_alv.
* 输出 alv 报表
FORM frm_show_alv .

  DEFINE append_alv_field.
    CLEAR g_line.
    g_line-fieldname    = &1.
    g_line-tabname      = 'GT_ALV'.
    g_line-reptext_ddic = &2.
    g_line-seltext_l    = &2.
    g_line-seltext_m    = &2.
    g_line-seltext_s    = &2.
    g_line-cfieldname   = &3.
    g_line-ctabname     = &4.
    g_line-no_out       = &5.
    g_line-no_zero      = &6.
    g_line-outputlen    = &7.
    g_line-qfieldname   = &8.
    g_line-just         = &9.
    g_line-ddictxt      = 'L'.
    g_line-do_sum       = 'X'.
    if  g_line-fieldname = 'LFIMG'. "如果字段名为LFIMG，则将小数位设置为0，其它的设置为2位
      g_line-DECIMALS_OUT       = '0'. "去掉小数点后的0
     else.
       g_line-DECIMALS_OUT       = '2'. "去掉小数点后的0
    endif.

    APPEND g_line TO gt_fieldcat.
  END-OF-DEFINITION.


**ALV 显示字段
  REFRESH:gt_fieldcat.
  gt_layout-colwidth_optimize = 'X'. " 自适应宽度

  append_alv_field 'VKORG' '公司' '' '' '' '' '' '' ''.
  append_alv_field 'vtweg' '渠道' '' '' '' '' '' '' ''.
  append_alv_field 'WADAT_IST' '票据日期' '' '' '' '' '' '' ''.
  append_alv_field 'VBELN' '交货单号' '' '' '' '' '' '' ''.
  append_alv_field 'RYBH' '业务员号' '' '' '' '' '' '' ''.
  append_alv_field 'RYXM' '业务员姓名' '' '' '' '' '' '' ''.
  append_alv_field 'kunnr' '客户号' '' '' '' '' '' '' ''.
  append_alv_field 'name1' '客户名称' '' '' '' '' '' '' ''.
  append_alv_field 'matnr' '物料号' '' '' '' '' '' '' ''.
  append_alv_field 'maktx' '物料描述' '' '' '' '' '' '' ''.
  append_alv_field 'lfart' '类型' '' '' '' '' '' '' ''.
  append_alv_field 'LFIMG' '交货数量' '' '' '' '' '' '' ''.
  append_alv_field 'hsdj' '单价' '' '' '' '' '' '' ''.
  append_alv_field 'hsje' '金额' '' '' '' '' '' '' ''.
  append_alv_field 'NETWR' '订单金额' '' '' '' '' '' '' ''.
  append_alv_field 'KWMENG' '订单数量' '' '' '' '' '' '' ''.
  append_alv_field 'VTWEG' '行项目' '' '' '' '' '' '' ''.
  append_alv_field 'DDBH' '订单号' '' '' '' '' '' '' ''.

  append_alv_field 'vkbur' '销售办公室' '' '' '' '' '' '' ''.
  append_alv_field 'vkgrp' '销售组' '' '' '' '' '' '' ''.
  append_alv_field 'bzirk' '销售地区' '' '' '' '' '' '' ''.



  CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
    EXPORTING
      i_callback_program = sy-repid
*     i_callback_pf_status_set = 'FRM_STATUS'   "GUI指定子程序
*     i_callback_user_command  = 'FRM_USER_COMM' "客户命令指定子程序
      is_layout          = gt_layout
      it_fieldcat        = gt_fieldcat[]
*     it_events          = events[]
    TABLES
      t_outtab           = gt_tab[] "指定要显示的内表名称
    EXCEPTIONS
      program_error      = 1
      OTHERS             = 2.


ENDFORM.

**判断字段名称，设置指定字段的小数位
    if  g_line-fieldname = 'LFIMG'. "如果字段名为LFIMG，则将小数位设置为0，其它的设置为2位
      g_line-DECIMALS_OUT       = '0'. "去掉小数点后的0
     else.
       g_line-DECIMALS_OUT       = '2'. "去掉小数点后的0
    endif.
执行效果：