• 第一步

DATA: LT_SORT_66 TYPE SLIS_T_SORTINFO_ALV.

• 第二步

  DATA WA_LT_SORT TYPE SLIS_SORTINFO_ALV.
  WA_LT_SORT-FIELDNAME = 'MATNR'.
  WA_LT_SORT-UP = 'X'.
  WA_LT_SORT-SUBTOT = 'X'.
  APPEND WA_LT_SORT TO LT_SORT_66.
ENDFORM.                    " F_SORT_BULID

• 第三步

  WA_FIELDCAT-SELTEXT_S = '数量'.
  WA_FIELDCAT-SELTEXT_M  = WA_FIELDCAT-SELTEXT_S.
  WA_FIELDCAT-SELTEXT_L  = WA_FIELDCAT-SELTEXT_S.
  WA_FIELDCAT-OUTPUTLEN = 10.
  WA_FIELDCAT-DO_SUM    = 'X'.
  APPEND WA_FIELDCAT TO GT_FIELDCAT.
  CLEAR WA_FIELDCAT.

• 第四步

   EXPORTING
     I_CALLBACK_PROGRAM                = G_REPID_66_1
     I_CALLBACK_PF_STATUS_SET          = 'SET_PF_STATUS'
     I_CALLBACK_USER_COMMAND           = 'USER_COMMAND'
     I_CALLBACK_TOP_OF_PAGE            = 'TOP_OF_PAGE'
     IS_LAYOUT                         =  LAYOUT
     IT_FIELDCAT                       =  GT_FIELDCAT
     IT_SORT                           = LT_SORT_66    " 再给一遍值