汇票凭证专用事务码是F-36，预制凭证是F-65
参考了https://mp.weixin.qq.com/s/3PhfUsPmZ0ethWprXpa_dA
FB03查看银行承兑汇票凭证
对于特殊总账类型为W或者S的，双击进入可见出票人出票行 票据号等信息
汇票的信息是保存在BSED里的，而bapi没有提供这些字段信息，所以需要走增强
解决办法：隐式增强+BADI
增强位置1： FI_DOCUMENT_CHECK
一进来，先检查是否是W类型特殊总账 export操作在 调用bapi的时候赋值，推荐使用function函数来做，看的比较直观
如果是，把char_w 改为U
在函数最后，改回去
增强位置2：LFACIF5D
form最后的地方
把exten 数据传过来，传给bsed数据，传递数据可以用memory，也可以通过函数的方式，在函数组里建全局内表，然后调bapi的前面传数据过去，存到全局内表里，在增强里再调出来
以上是关于汇票凭证的增强，预制凭证的话也需要做几个增强
增强BADI为ACC_DOCUMENT
在自己代码里把增强结构加上
以下是完整代码
FUNCTION ZFIFM0005.
*"----------------------------------------------------------------------
*"*"本地接口：
*" IMPORTING
*" VALUE(IS_HEADER) TYPE ZFIS0007 OPTIONAL
*" EXPORTING
*" VALUE(ES_RETURN) TYPE ZBCT0002
*" TABLES
*" IT_ITEMS STRUCTURE ZFIS0008
*"----------------------------------------------------------------------
DATA:
LS_DOCUMENTHEADER LIKE BAPIACHE09,
LS_BAPIACGL09 LIKE BAPIACGL09,
LS_CUSTOMERCPD LIKE BAPIACAR09,
LS_ZFIS002 TYPE ZFIS0002,
LS_CURRENCYAMOUNT TYPE BAPIACCR09,
LS_EXTENSION2 TYPE BAPIPAREX,
LS_RETURN TYPE BAPIRET2,
LT_ACCOUNTGL TYPE TABLE OF BAPIACGL09 WITH HEADER LINE,
LT_ACCOUNTRECEIVABLE LIKE TABLE OF BAPIACAR09 WITH HEADER LINE,
LT_CURRENCYAMOUNT LIKE TABLE OF BAPIACCR09 WITH HEADER LINE,
LT_RETURN LIKE TABLE OF BAPIRET2 WITH HEADER LINE, "BAPIRET2
LT_EXTENSION2 LIKE TABLE OF BAPIPAREX WITH HEADER LINE.
DATA M_CURR(13) TYPE C .
*
DATA: LV_TYPE LIKE LS_DOCUMENTHEADER-OBJ_TYPE,
LV_KEY LIKE LS_DOCUMENTHEADER-OBJ_KEY,
LV_SYS LIKE LS_DOCUMENTHEADER-OBJ_SYS.
DATA:LV_SGL_FLD TYPE CHAR1.
DATA LV_UMSKZ TYPE UMSKZ. "特殊总账标识
DATA LV_CUSTOMER TYPE KUNNR.
DATA LV_ITEMNO_ACC TYPE POSNR_ACC .
DATA LV_BLART TYPE BLART.
DATA LS_ZFIS0009 TYPE ZFIS0009.
DATA LS_ZFIT0007 TYPE ZFIT0007.
DATA LS_BKPF TYPE BKPF.
DATA LS_ITEMS TYPE ZFIS0008.
DATA LS_ITEMS2 TYPE ZFIS0008.
DATA LV_MSG TYPE BAPI_MSG.
CHECK IS_HEADER IS NOT INITIAL
AND IT_ITEMS[] IS NOT INITIAL.
* 如果没输过账日期，默认当天
IF IS_HEADER-BUDAT IS INITIAL.
IS_HEADER-BUDAT = SY-DATUM.
ENDIF.
* 如果没输货币码，默认CNY
IF IS_HEADER-WAERS IS INITIAL.
IS_HEADER-WAERS = 'CNY'.
ENDIF.
* 如果没输凭证类型，默认DZ
IF IS_HEADER-WAERS IS INITIAL.
IS_HEADER-BLART = 'DZ'.
ENDIF.
CLEAR LS_ZFIT0007.
MOVE-CORRESPONDING IS_HEADER TO LS_ZFIT0007.
LS_ZFIT0007-STMPS = SY-DATUM && SY-UZEIT.
LS_DOCUMENTHEADER-HEADER_TXT = IS_HEADER-BKTXT.
LS_DOCUMENTHEADER-COMP_CODE = IS_HEADER-BUKRS.
LS_DOCUMENTHEADER-DOC_DATE = IS_HEADER-BUDAT.
LS_DOCUMENTHEADER-DOC_TYPE = IS_HEADER-BLART.
LS_DOCUMENTHEADER-PSTNG_DATE = IS_HEADER-BUDAT.
LS_DOCUMENTHEADER-USERNAME = SY-UNAME.
LS_DOCUMENTHEADER-FISC_YEAR = IS_HEADER-BUDAT+0(4).
LS_DOCUMENTHEADER-FIS_PERIOD = IS_HEADER-BUDAT+4(2).
*LS_DOCUMENTHEADER-BUS_ACT = 'RFBU'. "业务事务
LOOP AT IT_ITEMS INTO LS_ITEMS.
* 行项目号
LV_ITEMNO_ACC = SY-TABIX.
CLEAR:LV_CUSTOMER,
LV_SGL_FLD,
LS_ZFIS002.
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_INPUT'
EXPORTING
INPUT = LS_ITEMS-NEWKO
IMPORTING
OUTPUT = LV_CUSTOMER.
* PERFORM FRM_GET_BSCHL USING IS_HEADER-BLART LS_ITEMS-NEWUM CHANGING LV_BSCHL LV_CUSTOMER.
LS_CUSTOMERCPD-ITEMNO_ACC = LV_ITEMNO_ACC.
* 判断记账码
CASE LS_ITEMS-BSCHL.
WHEN '09' OR '11'.
CLEAR LS_CUSTOMERCPD.
LS_CUSTOMERCPD-ITEMNO_ACC = LV_ITEMNO_ACC. "行项目
LS_CUSTOMERCPD-CUSTOMER = LV_CUSTOMER. "客户编号
* LS_CUSTOMERCPD-GL_ACCOUNT = L_ZDHKONT. "总分类帐帐目
LS_CUSTOMERCPD-COMP_CODE = IS_HEADER-BUKRS. "公司代码
LS_CUSTOMERCPD-ALLOC_NMBR = LS_ITEMS-ZUONR. "分配
LS_CUSTOMERCPD-BLINE_DATE = LS_ITEMS-ZFBDT. "基准日期
LS_CUSTOMERCPD-ITEM_TEXT = LS_ITEMS-SGTXT. "项目文本
* 判断结算方式
IF LS_ITEMS-BSCHL = '09'.
IF IS_HEADER-CSSCODE IS NOT INITIAL.
* 商业承兑
IF IS_HEADER-CSSCODE = '04'.
* LS_CUSTOMERCPD-SP_GL_IND = 'W'. "特別总账标识
* 汇票需要的数据
LV_SGL_FLD = 'W'.
EXPORT LV_SGL_FLD TO MEMORY ID 'LV_SGL_FLD'.
MOVE-CORRESPONDING LS_ITEMS TO LS_ZFIS0009.
APPEND LS_ZFIS0009 TO GT_BSED.
* 银行承兑
ELSEIF IS_HEADER-CSSCODE = '06'.
* LS_CUSTOMERCPD-SP_GL_IND = 'S'. "特別总账标识
* 汇票需要的数据
LV_SGL_FLD = 'S'.
EXPORT LV_SGL_FLD TO MEMORY ID 'LV_SGL_FLD'.
MOVE-CORRESPONDING LS_ITEMS TO LS_ZFIS0009.
APPEND LS_ZFIS0009 TO GT_BSED.
ENDIF.
ENDIF.
ENDIF.
APPEND LS_CUSTOMERCPD TO LT_ACCOUNTRECEIVABLE.
WHEN '40' OR '50'.
CLEAR LS_BAPIACGL09.
LS_BAPIACGL09-ITEMNO_ACC = LV_ITEMNO_ACC. "行项目
LS_BAPIACGL09-GL_ACCOUNT = LV_CUSTOMER. "总账科目
LS_BAPIACGL09-PROFIT_CTR = LS_ITEMS-PRCTR. "利润中心
LS_BAPIACGL09-COMP_CODE = IS_HEADER-BUKRS. "公司代码
LS_BAPIACGL09-VALUE_DATE = LS_ITEMS-VALUT. "起息日
LS_BAPIACGL09-ITEM_TEXT = LS_ITEMS-SGTXT. "行项目文本
APPEND LS_BAPIACGL09 TO LT_ACCOUNTGL.
ENDCASE.
"贷项金额判断
IF LS_ITEMS-BSCHL EQ 50 OR LS_ITEMS-BSCHL EQ 11.
LS_ITEMS-WRBTR = -1 * LS_ITEMS-WRBTR.
ENDIF.
LS_CURRENCYAMOUNT-ITEMNO_ACC = LV_ITEMNO_ACC.
LS_CURRENCYAMOUNT-CURRENCY = IS_HEADER-WAERS.
LS_CURRENCYAMOUNT-AMT_DOCCUR = LS_ITEMS-WRBTR.
APPEND LS_CURRENCYAMOUNT TO LT_CURRENCYAMOUNT.
CLEAR LS_CURRENCYAMOUNT.
*
******增强扩展字段
LS_EXTENSION2-STRUCTURE = 'ZFIS0002' .
LS_ZFIS002-POSNR = LV_ITEMNO_ACC .
IF NOT LS_ITEMS-NEWUM IS INITIAL.
LS_ZFIS002-UMSKZ = LS_ITEMS-NEWUM .
ENDIF.
LS_ZFIS002-RSTGR = LS_ITEMS-RSTGR."'A01'.
LS_ZFIS002-BSCHL = LS_ITEMS-BSCHL. "LV_BSCHL .
LS_EXTENSION2-VALUEPART1 = LS_ZFIS002 .
APPEND LS_EXTENSION2 TO LT_EXTENSION2.
CLEAR LS_EXTENSION2.
CLEAR:LV_ITEMNO_ACC,LS_ITEMS.
ENDLOOP.
CALL FUNCTION 'BAPI_ACC_DOCUMENT_CHECK'
EXPORTING
DOCUMENTHEADER = LS_DOCUMENTHEADER
TABLES
ACCOUNTGL = LT_ACCOUNTGL
ACCOUNTRECEIVABLE = LT_ACCOUNTRECEIVABLE
CURRENCYAMOUNT = LT_CURRENCYAMOUNT
RETURN = LT_RETURN
EXTENSION2 = LT_EXTENSION2.
READ TABLE LT_RETURN INTO LS_RETURN WITH KEY TYPE = 'S'
NUMBER = '614'.
IF SY-SUBRC EQ 0 .
* 如果不是承兑,生成预制凭证
IF IS_HEADER-CSSCODE IS INITIAL.
CLEAR LS_EXTENSION2.
LS_EXTENSION2-STRUCTURE = 'PARK'.
LS_EXTENSION2-VALUEPART1 = 'PARK'.
APPEND LS_EXTENSION2 TO LT_EXTENSION2.
ENDIF.
CLEAR LT_RETURN.
CALL FUNCTION 'BAPI_ACC_DOCUMENT_POST'
EXPORTING
DOCUMENTHEADER = LS_DOCUMENTHEADER
IMPORTING
OBJ_TYPE = LV_TYPE
OBJ_KEY = LV_KEY
OBJ_SYS = LV_SYS
TABLES
ACCOUNTGL = LT_ACCOUNTGL
ACCOUNTRECEIVABLE = LT_ACCOUNTRECEIVABLE
CURRENCYAMOUNT = LT_CURRENCYAMOUNT
RETURN = LT_RETURN
EXTENSION2 = LT_EXTENSION2.
IF LINE_EXISTS( LT_RETURN[ TYPE = 'S' ] ).
ES_RETURN-TYPE = 'S'.
ES_RETURN-MESSAGE = LV_KEY+0(10).
CALL FUNCTION 'BAPI_TRANSACTION_COMMIT'
EXPORTING
WAIT = 'X'.
LS_ZFIT0007-BELNR = LV_KEY+0(10).
LS_ZFIT0007-TYPE ='S'.
LS_ZFIT0007-MESSAGE ='接口调用成功'.
ELSE.
SORT LT_RETURN BY TYPE ID NUMBER.
DELETE ADJACENT DUPLICATES FROM LT_RETURN COMPARING TYPE ID NUMBER.
ES_RETURN-TYPE = 'E'.
LOOP AT LT_RETURN INTO LS_RETURN.
CALL FUNCTION 'MESSAGE_TEXT_BUILD'
EXPORTING
MSGID = LS_RETURN-ID
MSGNR = LS_RETURN-NUMBER
MSGV1 = LS_RETURN-MESSAGE_V1
MSGV2 = LS_RETURN-MESSAGE_V2
MSGV3 = LS_RETURN-MESSAGE_V3
MSGV4 = LS_RETURN-MESSAGE_V4
IMPORTING
MESSAGE_TEXT_OUTPUT = LV_MSG.
CONCATENATE ES_RETURN-MESSAGE LV_MSG INTO ES_RETURN-MESSAGE.
CLEAR :LV_MSG,LS_RETURN.
ENDLOOP.
CALL FUNCTION 'BAPI_TRANSACTION_ROLLBACK'.
LS_ZFIT0007-BELNR = SPACE.
LS_ZFIT0007-TYPE ='E'.
LS_ZFIT0007-MESSAGE = ES_RETURN-MESSAGE.
ENDIF.
ELSE.
ES_RETURN-TYPE = 'E'.
LOOP AT LT_RETURN INTO LS_RETURN.
CALL FUNCTION 'MESSAGE_TEXT_BUILD'
EXPORTING
MSGID = LS_RETURN-ID
MSGNR = LS_RETURN-NUMBER
MSGV1 = LS_RETURN-MESSAGE_V1
MSGV2 = LS_RETURN-MESSAGE_V2
MSGV3 = LS_RETURN-MESSAGE_V3
MSGV4 = LS_RETURN-MESSAGE_V4
IMPORTING
MESSAGE_TEXT_OUTPUT = LV_MSG.
CONCATENATE ES_RETURN-MESSAGE LV_MSG INTO ES_RETURN-MESSAGE.
CLEAR :LV_MSG,LS_RETURN.
ENDLOOP.
LS_ZFIT0007-BELNR = SPACE.
LS_ZFIT0007-TYPE ='E'.
LS_ZFIT0007-MESSAGE = ES_RETURN-MESSAGE.
ENDIF.
MODIFY ZFIT0007 FROM LS_ZFIT0007.
ENDFUNCTION.