ABAP 取字段的简短描述

取字段的简短描述：

取字段描述
  DATA inttab LIKE STANDARD TABLE OF dfies WITH HEADER LINE.
  CALL FUNCTION 'DDIF_FIELDINFO_GET'
    EXPORTING
      tabname        = 'MARA'
      langu          = sy-langu
    TABLES
      dfies_tab      = inttab
    EXCEPTIONS
      not_found      = 1
      internal_error = 2
      OTHERS         = 3.