UNICODE系统下的按固定长度下载之二

注:本程序只用于UNICODE系统，比如ECC6，或者部分的UNICODE版本的470、ECC5等

 

REPORT  z_barry_test.

 

DATA: BEGIN OF itab OCCURS 0 ,
        f1(8) TYPE c,
        f2(6) TYPE c,
        f3(12) TYPE c,
      END OF itab.

 

START-OF-SELECTION.
  itab-f1 = 'abc    '.
  itab-f2 = 'def    '.
  itab-f3 = '啊ANTF'.
  APPEND itab.
  itab-f1 = '测试'.
  itab-f2 = '中文'.
  itab-f3 = '四啊啊'.
  APPEND itab.
  itab-f1 = '测'.
  itab-f2 = '中文'.
  itab-f3 = '四三三abc'.
  APPEND itab.
  PERFORM download TABLES itab
                   USING 'c:\Barrytest.txt'.

 

*&---------------------------------------------------------------------*
*&      Form  download
*&---------------------------------------------------------------------*
FORM download TABLES intab
              USING filename TYPE c.
  DATA: BEGIN OF outtab OCCURS 0,
            line TYPE string ,
         END OF outtab.
  DATA: str TYPE string ,
        m TYPE i.
  FIELD-SYMBOLS: ,
                 .

 

  LOOP AT intab ASSIGNING .
    DO .
      ASSIGN COMPONENT sy-index OF STRUCTURE TO .
      IF sy-subrc <> 0 .EXIT. ENDIF.
      str = .
      DESCRIBE FIELD LENGTH m IN CHARACTER MODE .
      m = m - cl_abap_list_utilities=>dynamic_output_length( str ) .
      DO m TIMES.
        CONCATENATE str '' INTO str SEPARATED BY space.
      ENDDO.
      CONCATENATE outtab-line str INTO outtab-line.
    ENDDO.
    APPEND outtab.
    CLEAR outtab.
  ENDLOOP.

 

  str = filename.
  CALL METHOD cl_gui_frontend_services=>gui_download
    EXPORTING
      filename                  = str
      filetype                  = 'DAT'
      codepage                  = '8400'
      trunc_trailing_blanks_eol = ''
    CHANGING
      data_tab                  = outtab[].
ENDFORM.                    "download