sap-abap-交货出口-交货单保存前设定所有行项发货仓位且过账前检查是否仓位一致

开发要求：制作交货单的人员，需要同一张单的交货仓位保持一致，设计成在保存前将所有行都改为和第一行项的仓位一致。

在发货过时会检查如发现不一致，不于过账。

用户出口如下：



修改 Userexit_save_document_prepare 例程



代码如下：

*---------------------------------------------------------------------*
*       FORM USEREXIT_SAVE_DOCUMENT_PREPARE                           *
*---------------------------------------------------------------------*
*       This userexit can be used for changes or checks, before a     *
*       document is saved.                                            *
*                                                                     *
*       If field T180-TRTYP contents 'H', the document will be        *
*       created, else it will be changed.                             *
*                                                                     *
*       This form is called at the beginning of form BELEG_SICHERN    *
*                                                                     *
*---------------------------------------------------------------------*
FORM userexit_save_document_prepare.

IF sy-uname = 'HS014'.
BREAK-POINT.
ENDIF.

"只处理对客户发货，公司间交易不处理.
IF ( tcode = 'VL02N' OR tcode = 'VL02' OR tcode = 'VL01N' OR tcode = 'VL01' ) and ( xlikp-VKORG = '1010' or  xlikp-VKORG = '1020' ).

"DATA: XLIPS_C LIKE LIPSVB OCCURS 0 WITH HEADER LINE.
"DATA: I_LIPS LIKE LIPSVB OCCURS 0 WITH HEADER LINE.
data: c_lgort like xlips-lgort , i_idx type i,i_Cnt type i, msg type string.

IF sy-ucomm = 'WABU_T'. "过账 需要检查 如果有不同仓位，则报错.
c_lgort = ''.
i_idx = 0.
loop at xlips  .
if i_idx = 0 . "取得第一行的库位
i_idx = i_idx + 1.
c_lgort = c_lgort = xlips-lgort.
endif.
if c_lgort <> xlips-lgort.
message '交货单内存在不同的交货仓位，请通知销售助理修改正确后再过账.' type 'E'.
endif.
clear xlips.
endloop.
endif.

IF sy-ucomm = 'SICH_T' or sy-ucomm = 'YES' .  "如果是保存(或退出提示保存) ,则统一更新仓位.
c_lgort = ''.
i_idx = 0.
i_Cnt = 0.
loop at xlips  .
if i_idx = 0 . "取得第一行的仓位
i_idx = i_idx + 1.
c_lgort = c_lgort = xlips-lgort.
if c_lgort = ''.
message '在保存交货单前请填写第一行项的交货仓位' type 'E'.
else.
concatenate  '你在第一行项输入的仓是' c_lgort ',增强系统将按此仓位更新所有行项' into msg.
message msg type 'I'.
endif.
endif.

if c_lgort <> xlips-lgort.
"更新仓位
xlips-lgort = c_lgort.

"更新标识 U 表示该纪录被修改，需要更新,D表示删除,I表示新增
if  xlips-updkz = ' '.
xlips-updkz = 'U'.
endif.
modify xlips.
i_Cnt = i_Cnt + 1.

endif.
clear xlips.
endloop.
if i_Cnt > 1.
msg = i_Cnt .
concatenate  '更新了' msg '个行项的仓位' into msg.
message msg type 'I'.
endif.
endif.
ENDIF.
ENDFORM.                    "USEREXIT_SAVE_DOCUMENT_PREPARE
*eject