ALV-表头数据

   EXPORTING
     I_CALLBACK_PROGRAM                = I_REPID
    I_CALLBACK_PF_STATUS_SET          = 'SET_PF_STATUS'
    I_CALLBACK_USER_COMMAND           = 'USER_COMMAND'
   I_CALLBACK_TOP_OF_PAGE            = 'F_TOP_OF_PAGE'  "表头数据
     IS_LAYOUT                         = GS_LA
     IT_FIELDCAT                       = GT_F[]
   IT_SORT                           = I_SORT
     I_SAVE                            = 'A'
    TABLES
      T_OUTTAB                          = GT_X
   EXCEPTIONS
     PROGRAM_ERROR                     = 1
     OTHERS                            = 2.```


```DATA: LT_LISTHEADER TYPE SLIS_T_LISTHEADER,
       LS_LISTHEADER LIKE LINE OF LT_LISTHEADER.
  LS_LISTHEADER-TYP = 'H'.
  LS_LISTHEADER-INFO = '供应商收货清单报表'.
  APPEND LS_LISTHEADER TO LT_LISTHEADER.
  LS_LISTHEADER-TYP = 'S'.
  DATA S TYPE STRING.
  S = GT_X-NAME2.
  CONCATENATE '工厂：' S INTO LS_LISTHEADER-INFO.
  APPEND LS_LISTHEADER TO LT_LISTHEADER.
  LS_LISTHEADER-TYP = 'A'.
  DATA A TYPE STRING.
  CONCATENATE S_BUDAT-LOW'-' S_BUDAT-HIGH INTO A.
  CONCATENATE '期间：' A INTO LS_LISTHEADER-INFO.
  APPEND LS_LISTHEADER TO LT_LISTHEADER.
  CALL FUNCTION 'REUSE_ALV_COMMENTARY_WRITE' "添加图片
    EXPORTING
      I_LOGO             = 'ENJOYSAP_LOGO'
      IT_LIST_COMMENTARY = LT_LISTHEADER.```