sap:向服务器写(更新)文件

本文介绍了一个使用SAP GUI进行文件上传的ABAP程序示例。该程序定义了必要的参数和数据类型,并通过调用GUI_UPLOAD函数模块实现文件读取。之后,将读取的数据写入指定的文件中。

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REPORT Z_FILE_UPLOAD .

PARAMETER: PA_FILEU  TYPE ESEFTAPPL.
PARAMETER: PA_FILE   TYPE ESEFTFRONT.
TYPES: BEGIN OF GSTRT_FILEU,
         LINE(2000) TYPE C,
       END OF GSTRT_FILEU.
DATA: GSTR_FILEU TYPE GSTRT_FILEU,
      GITAB_FILEU LIKE TABLE OF GSTR_FILEU.
START-OF-SELECTION.
  PERFORM FM_FILEREAD.
  PERFORM FM_UPDATA.
*&---------------------------------------------------------------------*
*&      Form  FM_FILEREAD
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*  -->  p1        text
*  <--  p2        text
*----------------------------------------------------------------------*
FORM FM_FILEREAD.
  DATA: LC_FILENAME TYPE STRING.
  LC_FILENAME = PA_FILE.
  CALL FUNCTION 'GUI_UPLOAD'
    EXPORTING
      FILENAME                      = LC_FILENAME
*     FILETYPE                      = 'ASC'
*     HAS_FIELD_SEPARATOR           = ' '
*     HEADER_LENGTH                 = 0
*     READ_BY_LINE                  = 'X'
*     DAT_MODE                      = ' '
*   IMPORTING
*     FILELENGTH                    =
*     HEADER                        =
    TABLES
      DATA_TAB                      = GITAB_FILEU
   EXCEPTIONS
     FILE_OPEN_ERROR               = 1
     FILE_READ_ERROR               = 2
     NO_BATCH                      = 3
     GUI_REFUSE_FILETRANSFER       = 4
     INVALID_TYPE                  = 5
     NO_AUTHORITY                  = 6
     UNKNOWN_ERROR                 = 7
     BAD_DATA_FORMAT               = 8
     HEADER_NOT_ALLOWED            = 9
     SEPARATOR_NOT_ALLOWED         = 10
     HEADER_TOO_LONG               = 11
     UNKNOWN_DP_ERROR              = 12
     ACCESS_DENIED                 = 13
     DP_OUT_OF_MEMORY              = 14
     DISK_FULL                     = 15
     DP_TIMEOUT                    = 16
     OTHERS                        = 17
            .
  IF SY-SUBRC <> 0.
     MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
             WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
  ENDIF.
ENDFORM.                    " FM_FILEREAD
*&---------------------------------------------------------------------*
*&      Form  FM_UPDATA
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*  -->  p1        text
*  <--  p2        text
*----------------------------------------------------------------------*
FORM FM_UPDATA.
  OPEN DATASET PA_FILEU  FOR OUTPUT IN TEXT MODE encoding DEFAULT.
  IF SY-SUBRC = 0.
    LOOP AT GITAB_FILEU INTO GSTR_FILEU.
      TRANSFER GSTR_FILEU-LINE TO PA_FILEU.
    ENDLOOP.
    CLOSE DATASET PA_FILEU.
*  ELSE.
*    TRANSFER '' TO PA_FILEU.
  ENDIF.
  CLOSE DATASET PA_FILEU.
ENDFORM.                    " FM_UPDATA     

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