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不知道业务怎么配置的，创建销售单时，一堆计划行类别，什么CN,DN。。。都有，但是审核后需要计划行变更为CP，这样在MD04才能看到需求。
原有逻辑是弄个后台程序，审核后调一下，更新一下计划行，这样是会有需求的。。。
但是，业务有个习惯喜欢VA02直接审，或者是交货后还来修改等等。。。这时候就需要在VA02里做增强。，
原本的开发还是调程序。。。这就产生了很多问题。后来我自己写增强审核的时候自动修改计划行类别，巴特，不产生需求。。。这特么鬼，后来各种找，各种DEBUG，找到根源了。。。
Now，来个增强，实现：MV45AFZZ USEREXIT_SAVE_DOCUMENT_PREPARE
IF ( i_stonO = ‘20‘ AND i_stonN = ‘30‘ ). LOOP AT XVBEP INTO GX_VBEP. LY_I = SY-TABIX. CASE VBAK-AUART. WHEN ‘ZOR‘ . IF GX_VBEP-ETTYP <> ‘CP‘ AND GX_VBEP-ETTYP <> ‘ZD‘. GX_VBEP-ETTYP = ‘CP‘. IF SY-TCODE = ‘VA01‘. ELSEIF SY-TCODE = ‘VA02‘. GX_VBEP-UPDKZ = ‘U‘. GX_VBEP-BEDSD = ‘X‘. GX_VBEP-BDAALT = ‘05‘. GX_VBEP-BDART = ‘05‘. GX_VBEP-PLART = ‘0‘. IF XVBBE[] IS INITIAL. GW_VBBE-MANDT = SY-MANDT. GW_VBBE-VBELN = GX_VBEP-VBELN. GW_VBBE-POSNR = GX_VBEP-POSNR. GW_VBBE-ETENR = GX_VBEP-ETENR. GW_VBBE-MBDAT = GX_VBEP-EDATU. GW_VBBE-VBTYP = ‘C‘. GW_VBBE-BDART = ‘05‘. GW_VBBE-PLART = ‘0‘. GW_VBBE-UPDKZ = ‘I‘. GW_VBBE-OMENG = GX_VBEP-LMENG. GW_VBBE-VMENG = GX_VBEP-BMENG. GW_VBBE-MEINS = GX_VBEP-VRKME. GW_VBBE-PZMNG = GX_VBEP-LMENG. GW_VBBE-AUART = XVBAK-AUART. GW_VBBE-KUNNR = XVBAK-KUNNR. READ TABLE XVBAP INTO GX_VBAP WITH KEY POSNR = GX_VBEP-POSNR. IF SY-SUBRC = 0. LY_J = SY-TABIX. GX_VBAP-SUMBD = ‘A‘. GX_VBAP-UPDKZ = ‘U‘. GX_VBAP-BEDUP = ‘X‘. MODIFY XVBAP FROM GX_VBAP INDEX LY_J TRANSPORTING SUMBD UPDKZ BEDUP. GW_VBBE-MATNR = GX_VBAP-MATNR. GW_VBBE-WERKS = GX_VBAP-WERKS. GW_VBBE-LGORT = GX_VBAP-LGORT. GW_VBBE-CHARG = GX_VBAP-CHARG. GW_VBBE-AWAHR = GX_VBAP-AWAHR. GW_VBBE-VPZUO = GX_VBAP-VPZUO. ENDIF. INSERT GW_VBBE INTO XVBBE INDEX GX_VBEP-ETENR. ENDIF. ENDIF. ENDIF. WHEN ‘ZKB‘ . IF GX_VBEP-ETTYP <> ‘E1‘. GX_VBEP-ETTYP = ‘E1‘. IF SY-TCODE = ‘VA01‘. ELSEIF SY-TCODE = ‘VA02‘. GX_VBEP-UPDKZ = ‘U‘. GX_VBEP-BEDSD = ‘X‘. GX_VBEP-BDAALT = ‘05‘. GX_VBEP-BDART = ‘05‘. GX_VBEP-PLART = ‘0‘. IF XVBBE[] IS INITIAL. GW_VBBE-MANDT = SY-MANDT. GW_VBBE-VBELN = GX_VBEP-VBELN. GW_VBBE-POSNR = GX_VBEP-POSNR. GW_VBBE-ETENR = GX_VBEP-ETENR. GW_VBBE-MBDAT = GX_VBEP-EDATU. GW_VBBE-VBTYP = ‘C‘. GW_VBBE-BDART = ‘05‘. GW_VBBE-PLART = ‘0‘. GW_VBBE-UPDKZ = ‘I‘. GW_VBBE-OMENG = GX_VBEP-LMENG. GW_VBBE-VMENG = GX_VBEP-BMENG. GW_VBBE-MEINS = GX_VBEP-VRKME. GW_VBBE-PZMNG = GX_VBEP-LMENG. GW_VBBE-AUART = XVBAK-AUART. GW_VBBE-KUNNR = XVBAK-KUNNR. READ TABLE XVBAP INTO GX_VBAP WITH KEY POSNR = GX_VBEP-POSNR. IF SY-SUBRC = 0. LY_J = SY-TABIX. GX_VBAP-SUMBD = ‘A‘. GX_VBAP-UPDKZ = ‘U‘. GX_VBAP-BEDUP = ‘X‘. MODIFY XVBAP FROM GX_VBAP INDEX LY_J TRANSPORTING SUMBD UPDKZ BEDUP. GW_VBBE-MATNR = GX_VBAP-MATNR. GW_VBBE-WERKS = GX_VBAP-WERKS. GW_VBBE-LGORT = GX_VBAP-LGORT. GW_VBBE-CHARG = GX_VBAP-CHARG. GW_VBBE-AWAHR = GX_VBAP-AWAHR. GW_VBBE-VPZUO = GX_VBAP-VPZUO. ENDIF. INSERT GW_VBBE INTO XVBBE INDEX GX_VBEP-ETENR. ENDIF. ENDIF. ENDIF. WHEN ‘ZSP‘ . READ TABLE XVBAP INTO GX_VBAP WITH KEY POSNR = GX_VBEP-POSNR. IF SY-SUBRC = 0. IF GX_VBAP-PSTYV = ‘ZSNN‘ AND GX_VBEP-ETTYP <> ‘ZN‘. GX_VBEP-ETTYP = ‘ZN‘. IF SY-TCODE = ‘VA01‘. ELSEIF SY-TCODE = ‘VA02‘. GX_VBEP-UPDKZ = ‘U‘. GX_VBEP-BEDSD = ‘X‘. GX_VBEP-BDAALT = ‘05‘. GX_VBEP-BDART = ‘05‘. GX_VBEP-PLART = ‘0‘. IF XVBBE[] IS INITIAL. GW_VBBE-MANDT = SY-MANDT. GW_VBBE-VBELN = GX_VBEP-VBELN. GW_VBBE-POSNR = GX_VBEP-POSNR. GW_VBBE-ETENR = GX_VBEP-ETENR. GW_VBBE-MBDAT = GX_VBEP-EDATU. GW_VBBE-VBTYP = ‘C‘. GW_VBBE-BDART = ‘05‘. GW_VBBE-PLART = ‘0‘. GW_VBBE-UPDKZ = ‘I‘. GW_VBBE-OMENG = GX_VBEP-LMENG. GW_VBBE-VMENG = GX_VBEP-BMENG. GW_VBBE-MEINS = GX_VBEP-VRKME. GW_VBBE-PZMNG = GX_VBEP-LMENG. GW_VBBE-AUART = XVBAK-AUART. GW_VBBE-KUNNR = XVBAK-KUNNR. READ TABLE XVBAP INTO GX_VBAP WITH KEY POSNR = GX_VBEP-POSNR. IF SY-SUBRC = 0. LY_J = SY-TABIX. GX_VBAP-SUMBD = ‘A‘. GX_VBAP-UPDKZ = ‘U‘. GX_VBAP-BEDUP = ‘X‘. MODIFY XVBAP FROM GX_VBAP INDEX LY_J TRANSPORTING SUMBD UPDKZ BEDUP. GW_VBBE-MATNR = GX_VBAP-MATNR. GW_VBBE-WERKS = GX_VBAP-WERKS. GW_VBBE-LGORT = GX_VBAP-LGORT. GW_VBBE-CHARG = GX_VBAP-CHARG. GW_VBBE-AWAHR = GX_VBAP-AWAHR. GW_VBBE-VPZUO = GX_VBAP-VPZUO. ENDIF. INSERT GW_VBBE INTO XVBBE INDEX GX_VBEP-ETENR. ENDIF. ENDIF. ELSEIF GX_VBAP-PSTYV = ‘ZSAN‘ AND GX_VBEP-ETTYP <> ‘CP‘. GX_VBEP-ETTYP = ‘CP‘. IF SY-TCODE = ‘VA01‘. ELSEIF SY-TCODE = ‘VA02‘. GX_VBEP-UPDKZ = ‘U‘. GX_VBEP-BEDSD = ‘X‘. GX_VBEP-BDAALT = ‘05‘. GX_VBEP-BDART = ‘05‘. GX_VBEP-PLART = ‘0‘. IF XVBBE[] IS INITIAL. GW_VBBE-MANDT = SY-MANDT. GW_VBBE-VBELN = GX_VBEP-VBELN. GW_VBBE-POSNR = GX_VBEP-POSNR. GW_VBBE-ETENR = GX_VBEP-ETENR. GW_VBBE-MBDAT = GX_VBEP-EDATU. GW_VBBE-VBTYP = ‘C‘. GW_VBBE-BDART = ‘05‘. GW_VBBE-PLART = ‘0‘. GW_VBBE-UPDKZ = ‘I‘. GW_VBBE-OMENG = GX_VBEP-LMENG. GW_VBBE-VMENG = GX_VBEP-BMENG. GW_VBBE-MEINS = GX_VBEP-VRKME. GW_VBBE-PZMNG = GX_VBEP-LMENG. GW_VBBE-AUART = XVBAK-AUART. GW_VBBE-KUNNR = XVBAK-KUNNR. READ TABLE XVBAP INTO GX_VBAP WITH KEY POSNR = GX_VBEP-POSNR. IF SY-SUBRC = 0. LY_J = SY-TABIX. GX_VBAP-SUMBD = ‘A‘. GX_VBAP-UPDKZ = ‘U‘. GX_VBAP-BEDUP = ‘X‘. MODIFY XVBAP FROM GX_VBAP INDEX LY_J TRANSPORTING SUMBD UPDKZ BEDUP. GW_VBBE-MATNR = GX_VBAP-MATNR. GW_VBBE-WERKS = GX_VBAP-WERKS. GW_VBBE-LGORT = GX_VBAP-LGORT. GW_VBBE-CHARG = GX_VBAP-CHARG. GW_VBBE-AWAHR = GX_VBAP-AWAHR. GW_VBBE-VPZUO = GX_VBAP-VPZUO. ENDIF. INSERT GW_VBBE INTO XVBBE INDEX GX_VBEP-ETENR. ENDIF. ENDIF. ENDIF . ENDIF. WHEN OTHERS. ENDCASE. MODIFY XVBEP FROM GX_VBEP. ENDLOOP. ENDIF.
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原文地址：http://www.cnblogs.com/sapSB/p/5569636.html
