# MIGO新增页签增强
原创 斌将军 [ 斌将军 ](javascript:void\(0\);)
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**1**
**文档说明**
本方法是将新增字段,展示在MIGO的新增页签中,并保存到自建表。
新增页签的方法,和采购订单新增页签的方法原理基本一致,都是需要创建函数组,并实现相应方法和屏幕,并在增强中调用该函数组,展示出屏幕,实现对应操作。
**2**
**实现过程**
**2.1**
**创建自建表和结构**
自建表中存储物料凭证主键和增强的字段ZNUM单据号
参考自建表,创建对应的结构,用于函数组数据传递
创建表类型,用于增强实施类
**2.2**
**增强和函数组**
为了清楚的展示增强和调用的函数之间的关系,此处将增强和函数实现放在一起讲解
**2.2.1 创建增强实施和函数组**
根据增强点MB_MIGO_BADI创建实施
点击实施类,添加表类型到实施类属性
创建函数组ZEMIGO,并声明全局变量
**2.2.2 初始化**
实现增强方法IF_EX_MB_MIGO_BADI~INIT
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"--------------------@斌将军--------------------method IF_EX_MB_MIGO_BADI~INIT. APPEND gf_class_id TO ct_init.endmethod."--------------------@斌将军--------------------
**2.2.3 实现PBO**
创建SET函数ZEMIGO_SET_DATA
创建子屏幕9001,类型选择子屏幕
实现增强方法IF_EX_MB_MIGO_BADI~PBO_DETAIL
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"--------------------@斌将军--------------------METHOD if_ex_mb_migo_badi~pbo_detail. IF gf_class_id = i_class_id. DATA: wa_item TYPE zspp001. CHECK i_line_id IS NOT INITIAL. e_cprog = 'SAPLZEMIGO'."函数组 e_dynnr = '9001'."展示的页签屏幕 e_heading = '客户数据'."页签标题
g_line_id = i_line_id. READ TABLE it_item INTO wa_item WITH KEY line_id = i_line_id. CALL FUNCTION 'ZEMIGO_SET_DATA' EXPORTING i_input = wa_item. ENDIF.ENDMETHOD."--------------------@斌将军--------------------**2.2.4 实现PAI**
创建GET函数ZEMIGO_GET_DATA
实现增强方法IF_EX_MB_MIGO_BADI~PAI_DETAIL
• * * * * * * * * * * * * * * * * * * *
"--------------------@斌将军--------------------METHOD if_ex_mb_migo_badi~pai_detail. DATA: wa_item_new TYPE zspp001, wa_item_old TYPE zspp001.
CHECK i_line_id <> 0.
CALL FUNCTION 'ZEMIGO_GET_DATA' IMPORTING e_out = wa_item_new.
MODIFY it_item FROM wa_item_new TRANSPORTING znum WHERE line_id = i_line_id. READ TABLE it_item INTO wa_item_old WITH KEY line_id = i_line_id.
IF wa_item_new-line_id <> i_line_id. e_force_change = 'X'. ENDIF.
ENDMETHOD."--------------------@斌将军--------------------**2.2.5 实现MODIFY**
实现增强方法IF_EX_MB_MIGO_BADI~LINE_MODIFY
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"--------------------@斌将军--------------------METHOD if_ex_mb_migo_badi~line_modify. DATA: wa_item_new TYPE zspp001, wa_item_old TYPE zspp001, wa_ztmm_i_migo01 TYPE ztpp001, l_subrc TYPE sy-subrc.
READ TABLE it_item INTO wa_item_old WITH KEY line_id = i_line_id. l_subrc = sy-subrc. IF sy-subrc <> 0. IF cs_goitem-mblnr IS NOT INITIAL AND cs_goitem-mjahr IS NOT INITIAL AND cs_goitem-zeile IS NOT INITIAL.
SELECT SINGLE * FROM ztpp001 INTO wa_ztmm_i_migo01 WHERE mblnr = cs_goitem-mblnr AND mjahr = cs_goitem-mjahr AND zeile = cs_goitem-zeile.
IF wa_ztmm_i_migo01 IS NOT INITIAL. MOVE-CORRESPONDING wa_ztmm_i_migo01 TO wa_item_new. ENDIF. ENDIF.
wa_item_new-line_id = i_line_id. INSERT wa_item_new INTO TABLE it_item. ELSE. CHECK g_line_id = i_line_id. CALL FUNCTION 'ZEMIGO_GET_DATA' IMPORTING e_out = wa_item_new.* wa_item_new-line_id = i_line_id.
MODIFY it_item FROM wa_item_new TRANSPORTING znum WHERE line_id = i_line_id. ENDIF.
ENDMETHOD. "--------------------@斌将军--------------------**2.2.6 实现DELETE**
实现增强方法IF_EX_MB_MIGO_BADI~LINE_DELETE
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"--------------------@斌将军--------------------METHOD IF_EX_MB_MIGO_BADI~LINE_DELETE. DELETE TABLE it_item WITH TABLE KEY line_id = i_line_id.ENDMETHOD. "--------------------@斌将军--------------------
**2.2.7 实现RESET**
实现增强方法IF_EX_MB_MIGO_BADI~RESET
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"--------------------@斌将军--------------------METHOD IF_EX_MB_MIGO_BADI~RESET.* Clear all internal data: CLEAR: gt_extdata, g_no_input, gs_exdata_header, g_cancel, it_item, g_line_id.
ENDMETHOD. "--------------------@斌将军--------------------**2.2.8 实现存表**
创建UPDATE函数ZEMIGO_UPDATE_DATA
选择处理类型
实现增强方法IF_EX_MB_MIGO_BADI~POST_DOCUMENT
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"--------------------@斌将军--------------------METHOD if_ex_mb_migo_badi~post_document.
DATA: wa_ztmm_i_migo01 TYPE ztpp001, lt_ztmm_i_migo01 TYPE TABLE OF ztpp001, wa_item TYPE zspp001, wa_mseg TYPE mseg.
IF it_item IS NOT INITIAL. LOOP AT it_item INTO wa_item. IF g_cancel IS INITIAL. READ TABLE it_mseg INTO wa_mseg WITH KEY line_id = wa_item-line_id. ELSE. READ TABLE it_mseg INTO wa_mseg WITH KEY smbln = wa_item-mblnr smblp = wa_item-zeile sjahr = wa_item-mjahr. ENDIF. IF sy-subrc IS INITIAL. MOVE-CORRESPONDING wa_item TO wa_ztmm_i_migo01. MOVE-CORRESPONDING wa_mseg TO wa_ztmm_i_migo01. APPEND wa_ztmm_i_migo01 TO lt_ztmm_i_migo01. ENDIF. ENDLOOP. CALL FUNCTION 'ZEMIGO_UPDATE_DATA' IN UPDATE TASK TABLES t_item = lt_ztmm_i_migo01. ENDIF.
ENDMETHOD. "--------------------@斌将军--------------------**2.2.9 控制编辑状态**
可以通过里面对应的ACTION,来控制增强字段的显示效果,比如在A04显示物料凭证时,设置增强字段为不可更改
创建函数ZEMIGO_SET_GOACTION接收ACTION
实现屏幕流
实现增强方法IF_EX_MB_MIGO_BADI~MODE_SET
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"--------------------@斌将军--------------------METHOD if_ex_mb_migo_badi~mode_set.* ACTION and REFDOC will discribe the mode of transaction MIGO.* ----------------------------------------------------------------------* i_action:* A01 = Goods receipt* A02 = Return delivery* A03 = Cancellation* A04 = Display* A05 = Release GR bl.st.* A06 = Subsequent deliv.* A07 = Goods issue** i_refdoc:* R01 = Purchase order* R02 = Material document* R03 = Delivery note* R04 = Inbound delivery* R05 = Outbound delivery* R06 = Transport* R07 = Transport ID code* R08 = Order* R09 = Reservation* R10 = Other GR*-----------------------------------------------------------------------
• In case of 'DISPLAY' the global field G_NO_INPUT will be set to 'X'.* The result is that a different external subscreen will be choosen in* method PBO_DETAIL. IF i_action = 'A04' OR i_action = 'A03'. g_no_input = 'X'. ENDIF.* In case of 'CANCEL' the global field G_CANCEL will be set to 'X'.* The result is that in method POST_DOCUMENT a different handling is* used IF i_action = 'A03'. g_cancel = 'X'. ENDIF. CALL FUNCTION 'ZEMIGO_SET_GOACTION' EXPORTING i_goaction = i_action.ENDMETHOD. "--------------------@斌将军--------------------
**2.3**
**测试效果**
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