sap利用VMD_EI_API=)MAINTAIN创建供应商主数据:FRM_VENDOR_CREATE. DATA:LV_FLG. DATA:LS_MAIN TYPE VMDS_EI_MAIN, LS_MESG TYPE CVIS_MESSAGE, LT_MSG TYPE BAPIRET2_T, LWA_MSG TYPE BAPIRET2, LT_VEND TYPE VMDS_EI_EXTERN_T, LWA_VEND TYPE VMDS_EI_EXTERN, LT_COMPANY TYPE VMDS_EI_COMPANY_T, LWA_CO