SAP-WEB-GUI无法上传excel问题

使用GUI端上载函数，S/4正常上传可以获取数据，但是在WEBGUI上无法正常获取数据，改成用字节流上传即可避免这个问题

*&---------------------------------------------------------------------*
*---------------------------------------------------------------------*
* Report ZPW_EXCELUPLOAD
*---------------------------------------------------------------------*
REPORT ZGXTS_WEBUPLOAD.FIELD-SYMBOLS : <gt_data>       TYPE STANDARD TABLE .SELECTION-SCREEN BEGIN OF BLOCK b1 WITH FRAME .PARAMETERS : p_file TYPE ibipparms-path OBLIGATORY,p_ncol TYPE i OBLIGATORY DEFAULT 10.
SELECTION-SCREEN END OF BLOCK b1 .*--------------------------------------------------------------------*
* at selection screen
*--------------------------------------------------------------------*
AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_file.DATA: lv_rc TYPE i.DATA: lt_file_table TYPE filetable,ls_file_table TYPE file_table.CALL METHOD cl_gui_frontend_services=>file_open_dialogEXPORTINGwindow_title = 'Select a file'CHANGINGfile_table   = lt_file_tablerc           = lv_rc.IF sy-subrc = 0.READ TABLE lt_file_table INTO ls_file_table INDEX 1.p_file = ls_file_table-filename.ENDIF.START-OF-SELECTION .PERFORM read_file .PERFORM process_file.*---------------------------------------------------------------------*
* Form READ_FILE
*---------------------------------------------------------------------*
FORM read_file .DATA : lv_filename      TYPE string,lt_records       TYPE solix_tab,lv_headerxstring TYPE xstring,lv_filelength    TYPE i.lv_filename = p_file.CALL FUNCTION 'GUI_UPLOAD'EXPORTINGfilename                = lv_filenamefiletype                = 'BIN'IMPORTINGfilelength              = lv_filelengthheader                  = lv_headerxstringTABLESdata_tab                = lt_recordsEXCEPTIONSfile_open_error         = 1file_read_error         = 2no_batch                = 3gui_refuse_filetransfer = 4invalid_type            = 5no_authority            = 6unknown_error           = 7bad_data_format         = 8header_not_allowed      = 9separator_not_allowed   = 10header_too_long         = 11unknown_dp_error        = 12access_denied           = 13dp_out_of_memory        = 14disk_full               = 15dp_timeout              = 16OTHERS                  = 17."convert binary data to xstring"if you are using cl_fdt_xl_spreadsheet in odata then skips this step"as excel file will already be in xstringCALL FUNCTION 'SCMS_BINARY_TO_XSTRING'EXPORTINGinput_length = lv_filelengthIMPORTINGbuffer       = lv_headerxstringTABLESbinary_tab   = lt_recordsEXCEPTIONSfailed       = 1OTHERS       = 2.IF sy-subrc <> 0."Implement suitable error handling hereENDIF.DATA : lo_excel_ref TYPE REF TO cl_fdt_xl_spreadsheet .TRY .lo_excel_ref = NEW cl_fdt_xl_spreadsheet(document_name = lv_filenamexdocument     = lv_headerxstring ) .CATCH cx_fdt_excel_core."Implement suitable error handling hereENDTRY ."Get List of Worksheetslo_excel_ref->if_fdt_doc_spreadsheet~get_worksheet_names(IMPORTINGworksheet_names = DATA(lt_worksheets) ).IF NOT lt_worksheets IS INITIAL.READ TABLE lt_worksheets INTO DATA(lv_woksheetname) INDEX 1.DATA(lo_data_ref) = lo_excel_ref->if_fdt_doc_spreadsheet~get_itab_from_worksheet(lv_woksheetname )."now you have excel work sheet data in dyanmic internal tableASSIGN lo_data_ref->* TO <gt_data>.ENDIF.ENDFORM.*---------------------------------------------------------------------*
* Form PROCESS_FILE
*---------------------------------------------------------------------*
FORM process_file .DATA : lv_numberofcolumns   TYPE i,lv_date_string       TYPE string,lv_target_date_field TYPE datum.FIELD-SYMBOLS : <ls_data>  TYPE any,<lv_field> TYPE any."you could find out number of columns dynamically from table <gt_data>lv_numberofcolumns = p_ncol .LOOP AT <gt_data> ASSIGNING <ls_data> FROM 2 ."processing columnsDO lv_numberofcolumns TIMES.ASSIGN COMPONENT sy-index OF STRUCTURE <ls_data> TO <lv_field> .IF sy-subrc = 0 .CASE sy-index .
*          when 1 .
*          when 2 .WHEN 10 .lv_date_string = <lv_field> .PERFORM date_convert USING lv_date_string CHANGING lv_target_date_field .WRITE lv_target_date_field .WHEN OTHERS.WRITE : <lv_field> .ENDCASE .ENDIF.ENDDO .NEW-LINE .ENDLOOP .
ENDFORM.*---------------------------------------------------------------------*
* Form DATE_CONVERT
*---------------------------------------------------------------------*
FORM date_convert USING iv_date_string TYPE string CHANGING cv_date TYPE datum .DATA: lv_convert_date(10) TYPE c.lv_convert_date = iv_date_string ."date format YYYY/MM/DDFIND REGEX '^\d{4}[/|-]\d{1,2}[/|-]\d{1,2}$' IN lv_convert_date.IF sy-subrc = 0.CALL FUNCTION '/SAPDMC/LSM_DATE_CONVERT'EXPORTINGdate_in             = lv_convert_datedate_format_in      = 'DYMD'to_output_format    = ' 'to_internal_format  = 'X'IMPORTINGdate_out            = lv_convert_dateEXCEPTIONSillegal_date        = 1illegal_date_format = 2no_user_date_format = 3OTHERS              = 4.ELSE." date format DD/MM/YYYYFIND REGEX '^\d{1,2}[/|-]\d{1,2}[/|-]\d{4}$' IN lv_convert_date.IF sy-subrc = 0.CALL FUNCTION '/SAPDMC/LSM_DATE_CONVERT'EXPORTINGdate_in             = lv_convert_datedate_format_in      = 'DDMY'to_output_format    = ' 'to_internal_format  = 'X'IMPORTINGdate_out            = lv_convert_dateEXCEPTIONSillegal_date        = 1illegal_date_format = 2no_user_date_format = 3OTHERS              = 4.ENDIF.ENDIF.IF sy-subrc = 0.cv_date = lv_convert_date .ENDIF.ENDFORM .

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