如何将SAP数据传输到其他系统（Transferring Data from SAP to Other Systems）
在sap里有GUI_DOWNLOAD 函数将sap的数据下载到客户端机器（presentation server），而Dataset则是将数据传输到应用服务器（Application server）。然而在有些时候需要将数据传输到第三方其他系统(3rd Party System)，这是我们就可以使用FTP命令来完成数据传输。
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1、相关函数 HTTP_SCRAMBLE FTP_CONNECT FTP_R3_TO_SERVER FTP_DISCONNECT RFC_CONNECTION_CLOSE 2、函数说明 HTTP_SCRAMBLE: 将密码转化为SAP的格式 样例代码 l_pwd = p_pwd. l_slen = STRLEN( l_pwd ). CALL FUNCTION 'HTTP_SCRAMBLE' exporting source = l_pwd sourcelen = l_slen key = c_key importing destination = l_pwd. FTP_CONNECT : 连接其他系统 * To Connect to the Server using FTP 样例代码 CALL FUNCTION 'FTP_CONNECT' EXPORTING user = p_user password = l_pwd host = p_host rfc_destination = c_dest IMPORTING handle = w_hdl EXCEPTIONS OTHERS = 1. IF sy-subrc <> 0. MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4. ENDIF. FTP_R3_TO_SERVER: 将SAP的内表数据按字符方式传输到其他系统. 样例代码 CALL FUNCTION 'FTP_R3_TO_SERVER' EXPORTING handle = w_hdl fname = <file path of destination system> character_mode = 'X' TABLES text = <internal table data> EXCEPTIONS tcpip_error = 1 command_error = 2 data_error = 3 OTHERS = 4. IF sy-subrc <> 0. MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4 RAISING invalid_output_file. ENDIF. FTP_DISCONNECT: 关闭SAP与其他系统的连接. 样例代码 * To disconnect the FTP CALL FUNCTION 'FTP_DISCONNECT' EXPORTING handle = w_hdl. RFC_CONNECTION_CLOSE:关闭SAP与其他系统的RFC连接. 样例代码 CALL FUNCTION 'RFC_CONNECTION_CLOSE' EXPORTING destination = c_dest EXCEPTIONS OTHERS = 1. 3、SAP的样例代码 report rsftp004. parameters: suser(30) type c lower case, spwd(30) type c lower case, shost(64) type c lower case, duser(30) type c lower case, dpwd(30) type c lower case, dhost(64) type c lower case, lines type i default 1000, pasv. selection-screen skip 1. parameters: dest like rfcdes-rfcdest default 'SAPFTP'. types: begin of text, line(120) type c, end of text. types: begin of blob, line(80) type x, end of blob. data: shdl type i, dhdl type i, key type i value 26101957, slen type i, bline(80) type x, sdocid like sysuuid-c, ddocid like sysuuid-c, blob_length type i, cmd(120), error. data: result type table of text with header line, bindata type table of blob with header line. * Create data set extended check off. error = 0. bline = '0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F' & '0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F' & '0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F' & '0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F0F'. do lines times. bindata-line = bline. append bindata. enddo. call function 'SYSTEM_UUID_C_CREATE' importing uuid = sdocid. call function 'SYSTEM_UUID_C_CREATE' importing uuid = ddocid. * connect to ftp server - source slen = strlen( spwd ). call function 'HTTP_SCRAMBLE' exporting source = spwd sourcelen = slen key = key importing destination = spwd. call function 'SAPGUI_PROGRESS_INDICATOR' exporting text = 'Connect to FTP Server - Source'. call function 'FTP_CONNECT' exporting user = suser password = spwd host = shost rfc_destination = dest importing handle = shdl. * connect to ftp server - destination slen = strlen( dpwd ). call function 'HTTP_SCRAMBLE' exporting source = dpwd sourcelen = slen key = key importing destination = dpwd. call function 'SAPGUI_PROGRESS_INDICATOR' exporting text = 'Connect to FTP Server - Destination'. call function 'FTP_CONNECT' exporting user = duser password = dpwd host = dhost rfc_destination = dest importing handle = dhdl. if not pasv is initial. refresh result. call function 'FTP_COMMAND' exporting handle = shdl command = 'set passive on' tables data = result exceptions tcpip_error = 1 command_error = 2 data_error = 3. if sy-subrc eq 0. write: / 'Set passive mode - Source'. endif. refresh result. call function 'FTP_COMMAND' exporting handle = dhdl command = 'set passive on' tables data = result exceptions tcpip_error = 1 command_error = 2 data_error = 3. if sy-subrc eq 0. write: / 'Set passive mode - Destination'. endif. skip 1. endif. * Create file on Source blob_length = lines * 80. call function 'SAPGUI_PROGRESS_INDICATOR' exporting text = 'Create File on Source'. call function 'FTP_R3_TO_SERVER' exporting handle = shdl fname = sdocid blob_length = blob_length tables blob = bindata. * Copy Files call function 'SAPGUI_PROGRESS_INDICATOR' exporting text = 'Copy File to Destination'. refresh result. call function 'FTP_COPY' exporting handle_source = shdl handle_destination = dhdl file_source = sdocid file_destination = ddocid tables data = result exceptions tcpip_error = 1 command_error = 2 data_error = 3 others = 4. if sy-subrc ne 0. error = 1. endif. loop at result. write / result-line. endloop. * compare content if error eq 0. call function 'SAPGUI_PROGRESS_INDICATOR' exporting text = 'Compare Content'. skip 1. refresh bindata. call function 'FTP_SERVER_TO_R3' exporting handle = shdl fname = sdocid importing blob_length = blob_length tables blob = bindata. slen = lines * 80. if slen ne blob_length. error = 1. write: / 'Length error - expected',slen,'received',blob_length. else. loop at bindata. if bindata-line ne bline. slen = sy-tabix * 80. write: / 'Content error at',slen,bindata-line. error = 1. exit. endif. endloop. endif. refresh bindata. call function 'FTP_SERVER_TO_R3' exporting handle = dhdl fname = ddocid importing blob_length = blob_length tables blob = bindata. slen = lines * 80. if slen ne blob_length. error = 1. write: / 'Length error - expected',slen,'received',blob_length. else. loop at bindata. if bindata-line ne bline. slen = sy-tabix * 80. write: / 'Content error at',slen,bindata-line. error = 1. exit. endif. endloop. endif. if error eq 0. write: / 'Content compare OK'. else. write: / 'Content compare error'. endif. skip 1. endif. * Delete concatenate 'del' sdocid into cmd separated by ' '. refresh result. call function 'SAPGUI_PROGRESS_INDICATOR' exporting text = 'Delete Files'. call function 'FTP_COMMAND' exporting handle = shdl command = cmd tables data = result exceptions tcpip_error = 1 command_error = 2 data_error = 3. loop at result. write / result-line. endloop. concatenate 'del' ddocid into cmd separated by ' '. refresh result. call function 'FTP_COMMAND' exporting handle = dhdl command = cmd tables data = result exceptions tcpip_error = 1 command_error = 2 data_error = 3. loop at result. write / result-line. endloop. * Disconnect call function 'FTP_DISCONNECT' exporting handle = shdl. call function 'FTP_DISCONNECT' exporting handle = dhdl. call function 'RFC_CONNECTION_CLOSE' exporting destination = dest exceptions others = 1. if error ne 0. format color col_negative. write: / 'Error im Test'. else. format color col_positive. write: / ' Test OK'. endif. * password not visible at selection-screen output. loop at screen. if screen-name = 'SPWD' or screen-name = 'DPWD'. screen-invisible = '1'. modify screen. endif. endloop. |
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