动态内表值导出为TXT文件

输入的内表动态确定，可以修改

代码如下

FUNCTION ZFM_TEST_FILE.
*"----------------------------------------------------------------------
*"*"本地接口：
*"  TABLES
*"      TAB
*"----------------------------------------------------------------------
  DATA :
    CL_TAB  TYPE REF TO  CL_ABAP_STRUCTDESCR,
    LT_FILE TYPE STANDARD TABLE OF STRING,
    WA_EILE LIKE LINE OF LT_FILE.

  FIELD-SYMBOLS :
    <FS_TAB> TYPE STANDARD TABLE,
    <FS_WAB> TYPE ANY,
    <FS_INT> TYPE  ABAP_COMPDESCR,
    <FS_VAL>  .
  LOOP AT TAB ASSIGNING <FS_WAB>.
    CL_TAB ?= CL_ABAP_TYPEDESCR=>DESCRIBE_BY_DATA( <FS_WAB> ).
    LOOP AT CL_TAB->COMPONENTS  ASSIGNING <FS_INT>.
      ASSIGN COMPONENT <FS_INT>-NAME OF STRUCTURE <FS_WAB> TO <FS_VAL>.
      IF SY-SUBRC = 0.
       IF WA_EILE IS NOT INITIAL.
         CONCATENATE WA_EILE <FS_VAL> INTO WA_EILE SEPARATED BY '|'.
         ELSE.
         WA_EILE = <FS_VAL> .
       ENDIF.

      ELSE.

      ENDIF.

    ENDLOOP.
    APPEND WA_EILE TO LT_FILE .
    CLEAR WA_EILE .
  ENDLOOP.
    DATA PATH TYPE string VALUE 'C:UsersjaxDesktop下载的文件'.
    path = path && '.TXT' .

   CALL METHOD CL_GUI_FRONTEND_SERVICES=>GUI_DOWNLOAD
               EXPORTING
                 FILENAME                = PATH
*                FILETYPE                = 'PDF'
                 CODEPAGE                = '4103' " '8400'
*                filetype                = 'BIN'
*                 FILETYPE                = 'BIN'
                 WRITE_BOM               = 'X'
*                 WRITE_LF                = 'X'
               CHANGING
                 DATA_TAB                = LT_FILE
               EXCEPTIONS
                 FILE_WRITE_ERROR        = 1
                 NO_BATCH                = 2
                 GUI_REFUSE_FILETRANSFER = 3
                 INVALID_TYPE            = 4
                 NO_AUTHORITY            = 5
                 UNKNOWN_ERROR           = 6
                 HEADER_NOT_ALLOWED      = 7
                 SEPARATOR_NOT_ALLOWED   = 8
                 FILESIZE_NOT_ALLOWED    = 9
                 HEADER_TOO_LONG         = 10
                 DP_ERROR_CREATE         = 11
                 DP_ERROR_SEND           = 12
                 DP_ERROR_WRITE          = 13
                 UNKNOWN_DP_ERROR        = 14
                 ACCESS_DENIED           = 15
                 DP_OUT_OF_MEMORY        = 16
                 DISK_FULL               = 17
                 DP_TIMEOUT              = 18
                 FILE_NOT_FOUND          = 19
                 DATAPROVIDER_EXCEPTION  = 20
                 CONTROL_FLUSH_ERROR     = 21
                 NOT_SUPPORTED_BY_GUI    = 22
                 ERROR_NO_GUI            = 23
                 OTHERS                  = 24.

ENDFUNCTION. 

 

效果如图