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2010-07-26 10:00:26

1.建表ZTEST_PHOTO,表结构如下:
MANDT MANDT CLNT 3 0 Client
PERNR PERSNO NUMC 8 0 Personnel number
PHOTO XSTRINGVAL RAWSTRING 0 0 XString
 
2.程序
*&---------------------------------------------------------------------*
*& Report ZPICTURE_Display
* create a screen 100 with a container PICTURE_CONTAINER
* GuiTitle T_100
* GuiStatus S_100
*&---------------------------------------------------------------------*
REPORT zpicture_Display.
DATA   : wa_ztest_photo TYPE ztest_photo,
         it_ztest_photo TYPE TABLE OF ztest_photo.
SELECTION-SCREEN BEGIN OF BLOCK b1 WITH FRAME TITLE text-001.
SELECT-OPTIONS : s_pernr FOR wa_ztest_photo-pernr NO INTERVALS .
PARAMETERS     : p_disp TYPE char1 RADIOBUTTON GROUP rda1 DEFAULT 'X'
                         USER-COMMAND com,
               p_upload TYPE char1 RADIOBUTTON GROUP rda1.
SELECTION-SCREEN END OF BLOCK b1.
IF p_disp IS NOT INITIAL.
  CALL SCREEN 100.
ELSE.
  DATA: lr_mime_rep TYPE REF TO if_mr_api.
  DATA: lv_filename TYPE string.
  DATA: lv_path     TYPE string.
  DATA: lv_fullpath TYPE string.
  DATA: lv_content  TYPE xstring.
  DATA: lv_length   TYPE  i.
  DATA: lv_rc TYPE sy-subrc.
  DATA: lt_file TYPE filetable.
  DATA: ls_file LIKE LINE OF lt_file.

  DATA: lt_data TYPE STANDARD TABLE OF x255.

  cl_gui_frontend_services=>file_open_dialog(
    CHANGING
      file_table              =  lt_file  " Table Holding Selected Files
      rc                      =  lv_rc  ). " Return Code, Number of Files or -1 If Error Occurred
  READ TABLE lt_file INTO ls_file INDEX 1.
  IF sy-subrc = 0.
    lv_filename = ls_file-filename.
  ENDIF.
  cl_gui_frontend_services=>gui_upload(
    EXPORTING
      filename                = lv_filename    " Name of file
      filetype                = 'BIN'
    IMPORTING
      filelength              =  lv_length   " File length
    CHANGING
      data_tab                = lt_data    " Transfer table for file contents
    EXCEPTIONS
      OTHERS                  = 19 ).

  CALL FUNCTION 'SCMS_BINARY_TO_XSTRING'
    EXPORTING
      input_length = lv_length
*    first_line   = 0
*    last_line    = 0
    IMPORTING
      buffer       = lv_content
    TABLES
      binary_tab   = lt_data
    EXCEPTIONS
      failed       = 1
      OTHERS       = 2.
  wa_ztest_photo-pernr = s_pernr-low.
  wa_ztest_photo-photo =  lv_content.
  MODIFY ztest_photo FROM wa_ztest_photo .
  IF sy-subrc = 0.
    MESSAGE 'Successfully Uploaded' TYPE 'I' DISPLAY LIKE 'S'.
  ENDIF.
ENDIF.
*&---------------------------------------------------------------------*
*&      Module  STATUS_0100  OUTPUT
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
MODULE status_0100 OUTPUT.

  SET PF-STATUS 'S_100'.
  SET TITLEBAR 'T_100'.
 
  DATA: w_lines TYPE i.
  TYPES pict_line(256) TYPE c.
  DATA :
  container TYPE REF TO cl_gui_custom_container,
  editor TYPE REF TO cl_gui_textedit,
  picture TYPE REF TO cl_gui_picture,
  pict_tab TYPE TABLE OF pict_line,
  url(255) TYPE c.
  DATA: graphic_url(255).
  DATA: BEGIN OF graphic_table OCCURS 0,
          line(255) TYPE x,
        END OF graphic_table.
  DATA: l_graphic_conv TYPE i.
  DATA: l_graphic_offs TYPE i.
  DATA: graphic_size TYPE i.
  DATA: l_graphic_xstr TYPE xstring.
  .
  CALL METHOD cl_gui_cfw=>flush.
  CREATE OBJECT:
  container EXPORTING container_name = 'PICTURE_CONTAINER',
  picture EXPORTING parent = container.

* selecting the data from the table..
  SELECT pernr photo FROM  ztest_photo INTO CORRESPONDING FIELDS OF TABLE      it_ztest_photo
                         WHERE pernr IN  s_pernr .
  READ TABLE it_ztest_photo INTO wa_ztest_photo INDEX 1.
  IF sy-subrc = 0.
    l_graphic_xstr = wa_ztest_photo-photo.
  ENDIF.
  graphic_size = XSTRLEN( l_graphic_xstr ).
  l_graphic_conv = graphic_size.
  l_graphic_offs = 0.
  WHILE l_graphic_conv > 255.
    graphic_table-line = l_graphic_xstr+l_graphic_offs(255).
    APPEND graphic_table.
    l_graphic_offs = l_graphic_offs + 255.
    l_graphic_conv = l_graphic_conv - 255.
  ENDWHILE.
  graphic_table-line = l_graphic_xstr+l_graphic_offs(l_graphic_conv).
  APPEND graphic_table.
  CALL FUNCTION 'DP_CREATE_URL'
    EXPORTING
      type     = 'IMAGE'
      subtype  = 'X-UNKNOWN'
      size     = graphic_size
      lifetime = 'T'
    TABLES
      data     = graphic_table
    CHANGING
      url      = url.
  CALL METHOD picture->load_picture_from_url
    EXPORTING
      url = url.
  CALL METHOD picture->set_display_mode
    EXPORTING
      display_mode = picture->display_mode_fit_center.
ENDMODULE.                 " STATUS_0100  OUTPUT
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