需求描述:ME51N(创建)或ME52N(更改)采购申请时,当采购申请类型为“NB”,工厂为“2300”,创建标识为“R”时,点击“保存”时对需求跟踪号做必输检查。
![](https://img.haomeiwen.com/i2856867/c33633338d3ba763.png)
解决方法:首先找到增强位置,在函数组XM02的函数模块EXIT_SAPLMEREQ_005下
然后在这个出口函数中写入增强代码:
FORM frm_check_bednr USING i_reqitem TYPE mereq_item
CHANGING ct_message TYPE mereq_t_bapiret2.
DATA: lwa_message TYPE LINE OF mereq_t_bapiret2,
lv_message TYPE bapiret2-message_v1,
lv_bnfpo TYPE CHAR5.
IF i_reqitem-bsart = 'NB' AND i_reqitem-werks = 2300 AND i_reqitem-estkz = 'R'
AND i_reqitem-bednr IS INITIAL.
lwa_message-type = 'E'.
lwa_message-id = 'Z_1'.
lwa_message-number = '500'.
lv_message = '请输入需求跟踪号'.
WRITE i_reqitem-bnfpo TO lv_bnfpo.
SHIFT lv_bnfpo LEFT DELETING LEADING '0'."去前导零
CONCATENATE '项目' lv_bnfpo lv_message INTO lv_message.
lwa_message-message_v1 = lv_message.
APPEND lwa_message TO ct_message.
ENDIF.
ENDFORM.
点击“保存”时,效果如图:
![](https://img.haomeiwen.com/i2856867/696b81ad4e6b8caa.png)
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