关于QRFC我也没细研究，有兴趣的可以看看几个标准demo程序：
RSTRFCT0
RSTRFCT1
RSTRFCQ4
report rstrfct0 NO STANDARD PAGE HEADING.
TYPE-POOLS:
abap.
TYPES number_type TYPE c LENGTH 5.
PARAMETERS: qname TYPE trfcqout-qname default 'BASIS_TEST_Q1',
rfcdest TYPE rfcdes-rfcdest default 'TRAN_TEST',
ncall TYPE number_type default '00001',
nluw TYPE number_type default '00001',
nosend TYPE abap_bool default abap_false,
separate TYPE abap_bool default abap_false,
updtask TYPE abap_bool default abap_false.
PARAMETERS: display TYPE abap_bool default abap_true no-DISPLAY.
TYPES: tcpicLineTab TYPE STANDARD TABLE OF abaptext.
TYPES: BEGIN OF displayLine,
dest TYPE rfcdest,
tid TYPE arfctid,
xcall TYPE i, " the x.luw
END OF displayLine.
TYPES: displayLineTab TYPE STANDARD TABLE OF displayLine.
*----------------------------------------------------------------------*
* CLASS lcl_main DEFINITION
*----------------------------------------------------------------------*
CLASS lcl_main DEFINITION FINAL .
PUBLIC SECTION.
CLASS-METHODS: run.
METHODS: constructor
IMPORTING i_qname TYPE trfcqout-qname
i_dest TYPE rfcdes-rfcdest
i_ncall TYPE number_type
i_nluw TYPE number_type
i_nosend TYPE abap_bool
i_separate TYPE abap_bool
i_updtask TYPE abap_bool
i_display TYPE abap_bool,
create_luws_on_commit.
PRIVATE SECTION.
DATA: l_qname TYPE trfcqout-qname,
l_dest TYPE rfcdes-rfcdest,
l_ncall TYPE number_type,
l_nluw TYPE number_type,
l_nosend TYPE abap_bool,
l_separate TYPE abap_bool,
l_updtask TYPE abap_bool,
l_display TYPE abap_bool.
DATA: lt_result TYPE TABLE OF displayLine .
METHODS: fill_tcpic_table
IMPORTING i_len type I
i_qname type trfcqout-qname
CHANGING it_tcpic type tcpicLineTab,
get_tid
IMPORTING i_dest TYPE rfcdest
RETURNING VALUE(e_tid) TYPE arfctid,
append_to_result_tab
IMPORTING x_call type sy-index,
display_result
IMPORTING x_luw TYPE sy-index
i_subrc TYPE abap_bool
i_display type abap_bool.
ENDCLASS.
*----------------------------------------------------------------------*
* CLASS lcl_main IMPLEMENTATION
*----------------------------------------------------------------------*
CLASS lcl_main IMPLEMENTATION.
* **********************************************************************
* METHOD : run
* Created : 07.11.2007 13:14:07
* *********************************************************************
METHOD run .
DATA: l_appl TYPE REF TO lcl_main.
CREATE OBJECT l_appl
EXPORTING i_qname = qname
i_dest = rfcdest
i_ncall = ncall
i_nluw = nluw
i_nosend = nosend
i_separate = separate
i_updtask = updtask
i_display = display.
l_appl->create_luws_on_commit( ).
ENDMETHOD. "run
* **********************************************************************
* METHOD : constructor
* Created : 07.11.2007 15:38:04
* *********************************************************************
METHOD constructor .
* initial the destination
me->l_qname = i_qname.
me->l_dest = i_dest.
me->l_ncall = i_ncall.
me->l_nluw = i_nluw.
me->l_nosend = i_nosend.
me->l_separate = i_separate.
me->l_updtask = i_updtask.
me->l_display = i_display.
ENDMETHOD. "constructor
* **********************************************************************
* METHOD : fill_tcpic_table
* Created : 07.11.2007 15:38:31
* the method is used to initial the table which will be used in the function call
* *********************************************************************
METHOD fill_tcpic_table .
DATA: linenr type number_type,
etext TYPE abaptext value ' Line No.: '. "#EC NOTEXT
if i_len = 0.
RETURN.
endif.
etext = i_qname.
etext 40(32) = '12345678901234567890123456789012'.
do i_len TIMES.
linenr = linenr 1.
etext 20(6) = linenr.
APPEND etext to it_tcpic.
enddo.
ENDMETHOD. "fill_tcpic_table
* **********************************************************************
* METHOD : create_luws_commit1
* Created : 07.11.2007 15:32:18
* Call TRFC_QUEUE_INITIALIZE is neccessary because working with
* "Mischbetrieb" (QRFC and TRFC in one LUW) and the call is a TRFC-call
* *********************************************************************
METHOD create_luws_on_commit .
DATA: l_len TYPE I VALUE 1.
DATA: lt_tcpic TYPE tcpicLineTab.
DATA: r_subrc TYPE abap_bool.
r_subrc = abap_true.
fill_tcpic_table( EXPORTING i_len = l_len
i_qname = me->l_qname
CHANGING it_tcpic = lt_tcpic ).
DO me->l_nluw TIMES.
* Update task and qRFC in a commit work
if me->l_updtask = abap_true.
CALL FUNCTION 'STFC_CALL_QRFC' IN UPDATE TASK
EXPORTING
QNAME = me->l_qname
DEST = me->l_dest
NCALL = 1
NOSEND = me->l_nosend
QMESS = space .
endif.
DO me->l_ncall TIMES.
* Set Queue Name for the next qRFC-call
CALL FUNCTION 'TRFC_SET_QUEUE_NAME'
EXPORTING
QNAME = me->l_qname
NOSEND = me->l_nosend
EXCEPTIONS
INVALID_QUEUE_NAME = 1
OTHERS = 2 .
if sy-subrc <> 0.
r_subrc = abap_false.
exit.
endif.
* The call has the same TID like the TID of the previous call.
if me->l_separate = abap_false.
CALL FUNCTION 'STFC_WRITE_TO_TCPIC'
in BACKGROUND TASK
DESTINATION me->l_dest
TABLES
TCPICDAT = lt_tcpic.
else.
* The call will be assigned with a new TID
CALL FUNCTION 'STFC_WRITE_TO_TCPIC'
in BACKGROUND TASK
AS SEPARATE UNIT
DESTINATION me->l_dest
TABLES
TCPICDAT = lt_tcpic.
endif.
* append the created QRFC luw in the result table
append_to_result_tab( x_call = sy-index ).
ENDDO.
COMMIT WORK.
display_result( x_luw = sy-index
i_subrc = r_subrc
i_display = me->l_display ).
ENDDO.
ENDMETHOD. "create_luws_commit1
* **********************************************************************
* METHOD : get_tid
* Created : 07.11.2007 15:07:31
* get the TID of the created LUW
* *********************************************************************
METHOD get_tid .
CALL FUNCTION 'ID_OF_BACKGROUNDTASK'
EXPORTING
DEST = i_dest
IMPORTING
TID = e_tid .
ENDMETHOD. "get_tid
* **********************************************************************
* METHOD : display_result
* Created : 07.11.2007 15:37:49
* *********************************************************************
METHOD display_result .
FIELD-SYMBOLS TYPE displayLine.
if i_display = abap_true.
if i_subrc = abap_false.
WRITE: / 'Error while calling of TRFC_SET_QUEUE_NAME'. "#EC NOTEXT
RETURN.
endif.
write: / 'LUW-No. :', x_luw. "#EC NOTEXT
write: / 'No. of Calls :', me->l_ncall, ' Queue Name:', me->l_qname. "#EC NOTEXT
skip 1.
WRITE: at /3(32) 'Destination', 36(24)'TID', 66 'x.call'. "#EC NOTEXT
WRITE: / '-----------------------------------------------------------------------------'.
LOOP AT me->lt_result ASSIGNING .
if IS ASSIGNED.
WRITE: AT /3(32) -dest, 36(24) -tid, 66 -xcall.
endif.
ENDLOOP.
refresh me->lt_result.
SKIP 2.
else.
SORT lt_result BY tid xcall.
* export the result table, thus the unittest can retrieve it and compare it with the database result
EXPORT
ex_tab = me->lt_result
to MEMORY ID '%_RSTRFCT0'.
endif.
ENDMETHOD. "display_result
* **********************************************************************
* METHOD : append_to_result_tab
* Created : 07.11.2007 15:03:25
* *********************************************************************
METHOD append_to_result_tab .
data: l_result TYPE displayLine.
l_result-dest = me->l_dest.
l_result-tid = get_tid( i_dest = me->l_dest ).
l_result-xcall = x_call.
APPEND l_result to lt_result.
ENDMETHOD. "append_to_result_tab
ENDCLASS.
**************************************************************
* this class is used for unittest
**************************************************************
CLASS lcl_unittest DEFINITION FOR TESTING RISK LEVEL HARMLESS DURATION MEDIUM FINAL.
PRIVATE SECTION.
CONSTANTS: qname TYPE trfcqout-qname VALUE 'RSTRFCT0'.
DATA: dest TYPE rfcdes-rfcdest VALUE 'RSTRFCT0'.
METHODS: do_unittest1 FOR TESTING,
get_luws_in_db CHANGING ct_result_db TYPE displayLineTab.
ENDCLASS.
*----------------------------------------------------------------------*
* CLASS lcl_unittest IMPLEMENTATION
*----------------------------------------------------------------------*
CLASS lcl_unittest IMPLEMENTATION. "lcl_unittest DEFINITION
method do_unittest1.
DATA: db_tab TYPE displayLineTab,
rep_tab TYPE displayLineTab.
* delete old queue
CALL FUNCTION 'TRFC_QOUT_DELETE_QUEUE'
EXPORTING
QNAME = qname
DEST = dest .
SUBMIT RSTRFCT0 with qname = qname
WITH rfcdest = dest
WITH nosend = 'X'
WITH display = abap_false
AND RETURN.
* import the result table from the memory.
IMPORT
ex_tab = rep_tab[]
FROM MEMORY ID '%_RSTRFCT0'.
if sy-subrc = 0.
FREE MEMORY ID '%_RSTRFCT0'.
endif.
* get the LUWs from the QRFC tables
get_luws_in_db( CHANGING ct_result_db = db_tab ).
cl_aunit_assert=>assert_equals(
exp = rep_tab
act = db_tab ).
* delete the created queue
CALL FUNCTION 'TRFC_QOUT_DELETE_QUEUE'
EXPORTING
QNAME = qname
DEST = dest .
endmethod. "do_unittest1
* **********************************************************************
* METHOD : get_luws_in_db
* Created : 08.11.2007 15:51:16
* *********************************************************************
METHOD get_luws_in_db .
DATA: lt_states TYPE STANDARD TABLE OF arfcsstate,
l_tid TYPE arfctid,
l_result TYPE displayLine.
FIELD-SYMBOLS: TYPE arfcsstate.
SELECT * FROM arfcsstate
APPENDING TABLE lt_states
WHERE arfcdest = me->dest
AND arfcreturn = 'O'.
LOOP at lt_states ASSIGNING .
l_result-dest = -arfcdest.
l_tid-arfcipid = -arfcipid.
l_tid-arfcpid = -arfcpid.
l_tid-arfctime = -arfctime.
l_tid-arfctidcnt = -arfctidcnt.
l_result-tid = l_tid.
l_result-xcall = -arfcluwcnt.
APPEND l_result to ct_result_db.
ENDLOOP.
SORT ct_result_db BY dest xcall.
ENDMETHOD. "get_luws_in_db
ENDCLASS. "lcl_unittest IMPLEMENTATION
START-OF-SELECTION.
lcl_main=>run( ).
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