【转自 http://blog.itpub.net/195776/viewspace-1023914/】

1 信用检查调用的函数
FUNCTION SD_ORDER_CREDIT_CHECK

2 信用释放的函数(相关TCODE: VKM1)
FUNCTION SD_ORDER_CREDIT_RELEASE

3 对信用检查重调用和可用性检查重调用的程序(V_V1)
程序 SDV03V01

4 用户可增强的接口
Credit Check
If you want to carry out your own individual credit checks, that differ from those in the standard system, you must define them in the following user exits:

LVKMPTZZ 
LVKMPFZ1: USER_CREDIT_CHECK1 
LVKMPFZ2: USER_CREDIT_CHECK2 
LVKMPFZ3: USER_CREDIT_CHECK3 
User exit for availability check
User exit USEREXIT_AVAIL_CHECK_CREDIT exists in Include MV45AFZF.

5 重要的结构和其他函数
S067-ofaku 未清开票凭证
s067-olikw 交货
s066-oeikw 订单
SD_CREDIT_EXPOSURE : 计算销售值

6 可以参照的函数调用单元 LVKMPF0G

7 信用额度读取
CALL FUNCTION ‘CREDIT_EXPOSURE‘
EXPORTING
kkber = wa_result-kkber
kunnr = wa_result-kunnr
date_credit_exposure = ‘99991231‘
IMPORTING
creditlimit = old_klimk
open_delivery = old_olikw
open_invoice = old_ofakw
open_items = old_skfor
open_order = old_oeikw
PERCENTAGE = old_KLPRZ
sum_opens = old_oblig.

信用控制增强