BAPI冲不了object type（AWTYP） 为 BKPF的凭证，参考note 1799990
所以用BDC
BDC DEMO
perform frm_bdc_init.
perform frm_bdc_dynnr using 'SAPMF05A' '0105'.
perform frm_bdc_field using space 'RF05A-BELNS' t_data-belnr.
perform frm_bdc_field using space 'BKPF-BUKRS' t_data-bukrs.
perform frm_bdc_field using space 'RF05A-GJAHS' t_data-gjahr.
perform frm_bdc_field using space 'UF05A-STGRD' '01'. "冲销原因
perform frm_bdc_field using space 'BDC_OKCODE' '=BU'.
perform frm_bdc_call using 'FB08' changing t_data-rtype l_msgtext.
t_data-rtmsg = t_data-rtmsg && '冲销凭证' && t_data-belnr && l_msgtext.
read table gt_messtab with key msgtyp = 'S' msgid = 'F5' msgnr = '312'.
if sy-subrc = 0.
t_data-belnr_fb08 = gt_messtab-msgv1.
endif.
BAPI DEMO
* data: ls_bkpf type bkpf.
* data: l_msgtext(255).
* data: l_bapiacrev type bapiacrev.
* data: l_bus_act type glvor.
* data: lt_return type standard table of bapiret2.
* data: ls_return type bapiret2.
clear ls_bkpf.
select single * into ls_bkpf from bkpf where bukrs = t_data-bukrs
and gjahr = t_data-gjahr
and belnr = t_data-belnr.
"给 BAPI 函数相应的参数赋值
clear l_bapiacrev.
l_bapiacrev-obj_type = ls_bkpf-awtyp.
l_bapiacrev-obj_key = ls_bkpf-awkey.
l_bapiacrev-obj_key_r = ls_bkpf-awkey.
l_bapiacrev-pstng_date = ls_bkpf-budat.
l_bapiacrev-fis_period = ls_bkpf-monat.
l_bapiacrev-comp_code = ls_bkpf-bukrs.
* l_bapiacrev-ac_doc_no = ls_bkpf-belnr.
l_bapiacrev-reason_rev = '03'.
clear l_bus_act.
l_bus_act = ls_bkpf-glvor.
"取得系统 LOGICAL SYSTEM
call function 'OWN_LOGICAL_SYSTEM_GET'
importing
own_logical_system = l_bapiacrev-obj_sys.
" 调用 BAPI 函数，冲销会计凭证
refresh lt_return.
set update task local.
call function 'BAPI_ACC_DOCUMENT_REV_POST'
exporting
reversal = l_bapiacrev
bus_act = l_bus_act
tables
return = lt_return_rev.
read table lt_return_rev into data(ls_return_rev) with key type = 'E'.
if sy-subrc ne 0.
call function 'BAPI_TRANSACTION_COMMIT'
exporting
wait = 'X'.
t_data-rtype = 'S'.
else.
t_data-rtype = 'E'.
endif.
clear l_msgtext.
call function 'TB_MESSAGE_BUILD_TEXT'
exporting
langu = sy-langu
msgid = sy-msgid
msgno = sy-msgno
msgv1 = sy-msgv1
msgv2 = sy-msgv2
msgv3 = sy-msgv3
msgv4 = sy-msgv4
importing
text = l_msgtext.
concatenate t_data-rtmsg '冲销凭证' t_data-belnr l_msgtext into t_data-rtmsg.