type-pools: IXML,ABAP.
types: begin of XML_LINE,DATA(256) type X,end of XML_LINE.
data: L_IXML type ref to IF_IXML,L_STREAMFACTORY type ref to IF_IXML_STREAM_FACTORY,L_OSTREAM type ref to IF_IXML_OSTREAM,L_RENDERER type ref to IF_IXML_RENDERER,L_DOCUMENT type ref to IF_IXML_DOCUMENT.
data: L_ELEMENT_FLIGHTS type ref to IF_IXML_ELEMENT,L_ELEMENT_AIRLINE type ref to IF_IXML_ELEMENT,L_ELEMENT_FLIGHT type ref to IF_IXML_ELEMENT,L_ELEMENT_DUMMY type ref to IF_IXML_ELEMENT,L_VALUE type STRING.
data: L_XML_TABLE type table of XML_LINE,L_XML_SIZE type I,L_RC type I.
data: LT_SPFLI type table of SPFLI.
data: L_SPFLI type SPFLI.

start-of-selection.
* Fill the internal table
 select * from SPFLI into table LT_SPFLI.

* Sort internal table
 sort LT_SPFLI by CARRID.

* 生成XML数据
 loop at LT_SPFLI into L_SPFLI.

 at first.
* Creating a ixml factory
 L_IXML = CL_IXML=>CREATE( ).
* Creating the dom object model
 L_DOCUMENT = L_IXML->CREATE_DOCUMENT( ).
* Fill root node with value flow
 L_ELEMENT_FLIGHTS = L_DOCUMENT->CREATE_SIMPLE_ELEMENT(
 NAME = 'flow'
 PARENT = L_DOCUMENT ).


 L_RC = L_ELEMENT_FLIGHTS->SET_ATTRIBUTE( NAME = 'KEY' VALUE = 'gsgs-cgdd' ).
 L_RC = L_ELEMENT_FLIGHTS->SET_ATTRIBUTE( NAME = 'DES' VALUE = '广深公司-采购订单').
 L_RC = L_ELEMENT_FLIGHTS->SET_ATTRIBUTE( NAME = 'BAPI' VALUE ='ZBAPI_MM_RK_AFTER_APP' ).

 L_ELEMENT_AIRLINE = L_DOCUMENT->CREATE_SIMPLE_ELEMENT(
 NAME = 'customform'
 PARENT = L_ELEMENT_FLIGHTS ).
 endat.

 at new CONNID.

 L_ELEMENT_FLIGHT = L_DOCUMENT->CREATE_SIMPLE_ELEMENT(
 NAME = 'fd'
 PARENT = L_ELEMENT_AIRLINE ).

 L_VALUE = L_SPFLI-CONNID.
 L_RC = L_ELEMENT_FLIGHT->SET_ATTRIBUTE( NAME = 'n' VALUE =
'flight' ).
 endat.

 L_VALUE = L_SPFLI-DEPTIME.
 L_ELEMENT_DUMMY = L_DOCUMENT->CREATE_SIMPLE_ELEMENT(
 NAME = 'V'
 VALUE = L_VALUE
 PARENT = L_ELEMENT_FLIGHT ).
 endloop.
* Creating a stream factory
 L_STREAMFACTORY = L_IXML->CREATE_STREAM_FACTORY( ).
* Connect internal XML table to stream factory
 L_OSTREAM = L_STREAMFACTORY->CREATE_OSTREAM_ITABLE( TABLE =
L_XML_TABLE ).
* Rendering the document
 L_RENDERER = L_IXML->CREATE_RENDERER( OSTREAM = L_OSTREAM
 DOCUMENT = L_DOCUMENT ).
 L_RC = L_RENDERER->RENDER( ).

*************************************************************
* 将xml数据导出到本地
* 取得XML数据大小
 L_XML_SIZE = L_OSTREAM->GET_NUM_WRITTEN_RAW( ).
* 将xml数据导出到本地
* call method CL_GUI_FRONTEND_SERVICES=>GUI_DOWNLOAD
* exporting
* BIN_FILESIZE = L_XML_SIZE
* FILENAME = 'E:\flights.xml'
* FILETYPE = 'BIN'
* changing
* DATA_TAB = L_XML_TABLE
* exceptions
* others = 24.
* if SY-SUBRC <> 0.
* message id SY-MSGID type SY-MSGTY number SY-MSGNO
* with SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
* endif.
************************************************************

****************************************************
**--将XML数据导入到内表
* data XMLDATA type XSTRING .
* data: RESULT_XML type standard table of SMUM_XMLTB .
* data: RETURN type standard table of BAPIRET2 .
* data: WA_XML type SMUM_XMLTB.
*
*如果需要上载XML可以用一下方法
* call function 'GUI_UPLOAD'
* exporting
* FILENAME = 'E:\flights.xml'
* FILETYPE = 'BIN'
* importing
* FILELENGTH = L_XML_SIZE
* tables
* DATA_TAB = L_XML_TABLE.

**--将XML数据导入到内表
* call function 'SCMS_BINARY_TO_XSTRING'
* exporting
* INPUT_LENGTH = L_XML_SIZE
* importing
* BUFFER = XMLDATA
* tables
* BINARY_TAB = L_XML_TABLE
* exceptions
* @R_403_159@ = 1
* others = 2.
*
* call function 'SMUM_XML_PARSE'
* exporting
* XML_INPUT = XMLDATA
* tables
* XML_TABLE = RESULT_XML
* RETURN = RETURN.
*
* loop at RESULT_XML into WA_XML .
* endloop.



************************************************

**************************************************
*将XML转换成字符串
 data: W_STRING type XSTRING.
 data LS_XML type STRING.

*将XML转换成字符串
 call function 'SDIXML_DOM_TO_XML'
 exporting
 DOCUMENT = L_DOCUMENT
 importing
 XML_AS_STRING = W_STRING
 SIZE = L_XML_SIZE
 tables
 XML_AS_TABLE = L_XML_TABLE
 exceptions
 NO_DOCUMENT = 1
 others = 2.
 if SY-SUBRC <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
* WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
 endif.

* 将Xstring转换成二进制
* call function 'SCMS_XSTRING_TO_BINARY'
* exporting
* BUFFER = W_STRING
* importing
* OUTPUT_LENGTH = L_XML_SIZE
* tables
* BINARY_TAB = L_XML_TABLE.

 call function 'SCMS_BINARY_TO_STRING'
 exporting
 INPUT_LENGTH = L_XML_SIZE
 importing
 TEXT_BUFFER = LS_XML
 tables
 BINARY_TAB = L_XML_TABLE
 exceptions
 @R_403_159@ = 1
 others = 2.

 if SY-SUBRC <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
* WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
 endif.
****************************************************************

*******************************************************************
** 用XSLT的方式解析、生成XML
* data LT_TABLE type standard table of CHAR2048.
* data: GT_RESULT_XML type ABAP_TRANS_RESBIND_TAB,* GS_RESULT_XML type ABAP_TRANS_RESBIND.
*data lo_oref TYPE REF TO cx_root.
* try.
* call transformation ID "此ID是transformation，也可以用事务代码strans自定义一个transformation
* source xml LT_TABLE
* result (GT_RESULT_XML) .
*
* catch CX_ST_ERROR into LO_OREF.
** LS_MSG-MSGTYP = 'E'.
** LS_MSG-MSGNO = '000'.
** LS_MSG-MSGTXT = LO_OREF->GET_TEXT( ).
** append LS_MSG to C_MSGOUT.
* endtry.