用这个function module 可以下载文件到本地,实现数据的local处理。
1。 首先,提两个相关的function module,涉及到参数CODEPAGE,影响文件的输出格式。
function module SCP_CODEPAGE_BY_EXTERNAL_NAME,可以转换输出文件格式,例,输入'UTF-8',返回4110,输入'GBK',返回8400。
function module NLS_GET_FRONTEND_CP,输入语言,返回参数CODEPAGE的四位数字值,例:输入'ZH',返回1160这个四位阿拉伯数字。
平时我们所用的,只要输入这四个参数就可以使用了。
DATA : C_FULLPATH TYPE STRING.
例如,
CALL FUNCTION 'GUI_DOWNLOAD'
EXPORTING
BIN_FILESIZE = 255
FILENAME = C_FULLPATH
FILETYPE = 'BIN'
APPEND = ''
IMPORTING
FILELENGTH = ''
TABLES
DATA_TAB = ''.
CALL FUNCTION 'GUI_DOWNLOAD'
EXPORTING
BIN_FILESIZE = 255
FILENAME = C_FULLPATH
FILETYPE = 'DAT'
APPEND = ' '
WRITE_FIELD_SEPARATOR = 'X'
HEADER = '00'
TRUNC_TRAILING_BLANKS = ' '
WRITE_LF = 'X'
COL_SELECT = ' '
COL_SELECT_MASK = ' '
DAT_MODE = ' '
CONFIRM_OVERWRITE = ' '
NO_AUTH_CHECK = ' '
CODEPAGE = '4103'
IGNORE_CERR = ABAP_TRUE
REPLACEMENT = '#'
WRITE_BOM = 'X'
TRUNC_TRAILING_BLANKS_EOL = 'X'
WK1_N_FORMAT = ' '
WK1_N_SIZE = ' '
WK1_T_FORMAT = ' '
WK1_T_SIZE = ' '
WRITE_LF_AFTER_LAST_LINE = ABAP_TRUE
SHOW_TRANSFER_STATUS = ABAP_TRUE
IMPORTING
FILELENGTH = TABLES
DATA_TAB = IT_KNA1
FIELDNAMES = IT_FILEDNAME[]
EXCEPTIONS
FILE_WRITE_ERROR = 1
NO_BATCH = 2
GUI_REFUSE_FILETRANSFER = 3
INVALID_TYPE = 4
NO_AUTHORITY = 5
UNKNOWN_ERROR = 6
HEADER_NOT_ALLOWED = 7
SEPARATOR_NOT_ALLOWED = 8
FILESIZE_NOT_ALLOWED = 9
HEADER_TOO_LONG = 10
DP_ERROR_CREATE = 11
DP_ERROR_SEND = 12
DP_ERROR_WRITE = 13
UNKNOWN_DP_ERROR = 14
ACCESS_DENIED = 15
DP_OUT_OF_MEMORY = 16
DISK_FULL = 17
DP_TIMEOUT = 18
FILE_NOT_FOUND = 19
DATAPROVIDER_EXCEPTION = 20
CONTROL_FLUSH_ERROR = 21
OTHERS = 22.
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