关于通过使用BAPI创建销售订单（抬头信息中：含增强字段）

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通过bapi函数创建销售订单，并更新增强字段

1，为构造增强字段（BAPE_VBAK，BAPE_VBAKX，VBAK,VBAKKOM,）

2，增强标准程序：将增强的字段赋给标准程序

（FV45KFAK -> FV45KFAK_VBAK_FUELLEN_VBAKKOM -> vbak_fuellen_vbakkom）

ENHANCEMENT 1  ZSD_SAPFV45K.    "active version
* 创建销售订单时候，维护自定义字段
  IF US_VBAKKOM1-ZZZG IS NOT INITIAL.
    VBAK-ZZZG = US_VBAKKOM1-ZZZG.
*    VBAKX-ZZZG = US_VBAKKOMX1-ZZZG.
  ENDIF.
ENDENHANCEMENT.

3，调用bapi函数

  MOVE 'BAPE_VBAK' TO LWA_EXTENSIONIN-STRUCTURE.

  CALL METHOD CL_ABAP_CONTAINER_UTILITIES=>FILL_CONTAINER_C
    EXPORTING
      IM_VALUE     = LWA_BAPE_VBAK
    IMPORTING
      EX_CONTAINER = LWA_EXTENSIONIN-VALUEPART1.

  APPEND LWA_EXTENSIONIN TO LT_EXTENSIONIN.

  CLEAR LWA_EXTENSIONIN.
  CLEAR LT_EXTENSIONIN.

  MOVE 'BAPE_VBAKX' TO LWA_EXTENSIONIN-STRUCTURE.
  MOVE LWA_BAPE_VBAKX TO LWA_EXTENSIONIN-VALUEPART1.
  APPEND LWA_EXTENSIONIN TO LT_EXTENSIONIN.
  CLEAR LT_EXTENSIONIN.

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