ECC：创建供应商vmd_ei_api=＞maintain_bapi

FUNCTION zmd_creat_lifnr.
*"----------------------------------------------------------------------
*"*"局部接口：
*"  IMPORTING
*"     VALUE(IT_MD017) TYPE  ZPIDT_MD017_BODY_TAB
*"  EXPORTING
*"     VALUE(EV_TYPE) TYPE  BAPI_MTYPE
*"     VALUE(EV_MSG) TYPE  BAPI_MSG
*"     VALUE(EV_LIFNR) TYPE  LIFNR
*"----------------------------------------------------------------------
  DATA:ls_md017 LIKE LINE OF it_md017.
  DATA:ls_item1 LIKE LINE OF ls_md017-item1.
  DATA:ls_item2 LIKE LINE OF ls_md017-item2.
  DATA:ls_item3 LIKE LINE OF ls_md017-item3.
  DATA:ls_mesg TYPE cvis_message,
          lt_msg TYPE bapiret2_t,
          lwa_msg TYPE bapiret2.
  DATA: ls_return TYPE bapiret2.
  DATA: ls_master_data TYPE vmds_ei_main.    "基础信息
  DATA: l