ABAP中关于WS_DOWNLOAD的程序的知识点介绍
ABAP中关于WS_DOWNLOAD的程序的知识点介绍
*&---------------------------------------------------------------------*
*& Report ZZW_LOCAL_FILE_OPERATION1 *
*& *
*&---------------------------------------------------------------------*
*& *
*& *
*&---------------------------------------------------------------------*
REPORT ZZW_LOCAL_FILE_OPERATION1 .
tables: vbak , kna1 .
data: begin of z_sales occurs 10000,
kunnr like kna1-kunnr, "Customer number
name1 like kna1-name1, "Name
end of z_sales.
data: begin of t_colnames occurs 10,
name(15), "Column names for download
end of t_colnames.
selection-screen begin of block g2 with frame title text-001.
parameters: p_print radiobutton group l1, "View
p_down radiobutton group l1, "Download
p_file like rlgrap-filename default 'C:/TEMP/123.TXT'.
selection-screen end of block g2.
*----------------------------------------------------------------------*
* Selection Screen processing *
*----------------------------------------------------------------------*
at selection-screen on p_file.
* If download is checked, but no file name is entered, error
if p_down eq 'X' and p_file eq space.
message X004(SU) with 'Please enter file name for download.'.
endif.
*** Populate Itabs for download
* Column names
move 'Sold-to' to t_colnames-name.
append t_colnames.
move 'Name' to t_colnames-name.
append t_colnames.
* Data
*move kna1-kunnr to z_sales-kunnr.
*move kna1-name1 to z_sales-name1.
*append z_sales.
Select kunnr name1 into table z_sales
from kna1
where kunnr like 'Z%' .
* Call function module to download file
call function 'WS_DOWNLOAD'
exporting
filename = p_file
filetype = 'DAT'
* col_select = 'X'
tables
data_tab = z_sales
fieldnames = t_colnames
* EXCEPTIONS
* FILE_OPEN_ERROR = 1
* FILE_WRITE_ERROR = 2
* INVALID_FILESIZE = 3
* INVALID_TABLE_WIDTH = 4
* INVALID_TYPE = 5
* NO_BATCH = 6
* UNKNOWN_ERROR = 7
* GUI_REFUSE_FILETRANSFER = 8
* OTHERS = 9
.
if sy-subrc <> 0.
message id sy-msgid type sy-msgty number sy-msgno
with sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
endif.
