SAP/FICO/BAPI_ACC_DOCUMENT_POST-外币凭证金额和本位币误差问题处理
场景：通过BAPI_ACC_DOCUMENT_POST创建USD币别凭证SAP会自动带出CNY本位币金额，本位币金额是USD通过SAP配置的汇率计算出来的，有时候会有误差。
想要实现的功能：凭证金额和本位币金额都有外部系统传入设置不需要SAP自动通过汇率计算
CALL FUNCTION 'BAPI_ACC_DOCUMENT_POST'
EXPORTING
documentheader = gd_documentheader
customercpd = gd_customercpd
contractheader = gd_fica_hd
IMPORTING
obj_key = lv_key
TABLES
accountgl = it_accountgl
accountreceivable = it_accountreceivable
accountpayable = it_accountpayable
accounttax = it_accounttax
currencyamount = it_currencyamount "通过这个传入参数设置如下
criteria = it_criteria
valuefield = it_valuefield
代码解释 EXTENSION1 = IT_EXTENSION
extension2 = it_extension2
return = it_return
paymentcard = it_paymentcard
contractitem = it_fica_it
realestate = it_re.
代码解释"注意点：it_currencyamount 里面数量一定要按照itemno_acc curr_type 排序
CLEAR it_currencyamount.
it_currencyamount-itemno_acc = g_n.
it_currencyamount-curr_type = ‘00’."凭证币别标识
it_currencyamount-currency = gt_act-waers."凭证币别(外币如USD)
it_currencyamount-amt_doccur = gt_act-wrbtr."凭证币别对应的金额
it_currencyamount-exch_rate = gt_act-kursf."汇率（可不传输）
APPEND it_currencyamount.
IF ( gt_act-dmbtr IS NOT INITIAL OR gt_act-dmbtr <> 0 )
AND gt_act-h_waers IS NOT INITIAL.
it_currencyamount-itemno_acc = g_n."
it_currencyamount-curr_type = ‘10’."本位币币别标识（如CNY）
it_currencyamount-currency = gt_act-h_waers."本位币币别
it_currencyamount-amt_doccur = gt_act-dmbtr."本位币币别对应的金额
it_currencyamount-exch_rate = gt_act-kursf."汇率（可不传输）
APPEND it_currencyamount.
ENDIF.