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最新推荐文章于 2024-03-01 08:10:28 发布

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本文介绍了一个ABAP编程环境中关于文件操作的具体示例，包括使用对话框选择文件名、检查文件是否存在等基本功能。通过调用不同的ABAP函数和方法实现文件的打开、保存等功能。

"1,GET FILENAME

CALL FUNCTION 'F4_FILENAME'.

CALL METHOD cl_gui_frontend_services=>file_save_dialog
  EXPORTING
    default_extension    = 'XLS'
    default_file_name    = <lv_filename>
  CHANGING
    filename             = <lv_filename>
    path                 = <lv_path>
    fullpath             = <lv_fullpath>
  EXCEPTIONS
    cntl_error           = 1
    error_no_gui         = 2
    not_supported_by_gui = 3
    OTHERS               = 4.

CALL FUNCTION 'WS_FILENAME_GET'
  EXPORTING
    def_filename     = <lv_filename>
    def_path         = <lv_path>
    mask             = ',*.xls,*.xls,'
    mode             = 'S'  " O = open , S = save
*     title          = text-003
  IMPORTING
    filename         = <lv_filename>
  EXCEPTIONS
    inv_winsys       = 1
    no_batch         = 2
    selection_cancel = 3
    selection_error  = 4
    OTHERS           = 5.

"2 文件操作

CALL METHOD cl_gui_frontend_services=>file_exist
  EXPORTING
    file                 = <path>
  RECEIVING
    result               = <rc_result>
  EXCEPTIONS
    cntl_error           = 1
    error_no_gui         = 2
    wrong_parameter      = 3
    not_supported_by_gui = 4
    OTHERS               = 5.

'FILE_DELETE'
'FILE_COPY'
'FILE_OPEN_DIALOG'
'FILE_SAVE_DIALOG'
'EXECUTE'