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SMOD和CMOD_SAP刘梦_新浪博客

原文:http://blog.sina.com.cn/s/blog_45f2f8670100hm99.html
1.简要介绍增强情况
1.1 SMOD包括具体的增强CMOD是包含一组SMOD编写的增强.
1.2 User exits (Function module exits)是sap其命名规则如下:
EXIT_>program name<>3 digit suffix<</font>
示例:
创建设备主数据Tcode是IE对应程序为01SAPMIEQ进入程序,点击编辑->搜索,你会在程序中找到(使用)CALL CUSTOMER-FUNCTION字符串)以下代码:
CALL CUSTOMER-FUNCTION '001'
EXPORTING
ACTIVITY_TYPE = ACTIVITY_TYPE
DATA_EQUI = EQUI
DATA_EQKT = EQKT
DATA_EQUZ = EQUZ
DATA_ILOA = ILOA
MAIN_CLASS = RM63E-KLASSE
IMPORTING
UPDATE_DATA_EQ = UPDATE_DATA_EQ
UPDATE_FLAGS_EQ = UPDATE_FLAGS_EQ
UPDATE_DATA_EZ = UPDATE_DATA_EZ
UPDATE_FLAGS_EZ = UPDATE_FLAGS_EZ
EXCEPTIONS
POSTING_NOT_ALLOWED = 1
POSTING_NOT_ALLOWED_EXT = 2
OTHERS = 3.
则exit calls function module名称为: EXIT_ SAPMIEQ0_001
2、先试用SMOD建立一个SAP增强
2.1.选择一种增强:IEQM点击修改,进入0003sap增强维护屏幕;
2.2、点击"组件"按钮,进入组件维护屏;
2.3.移动光标"功能模块名",如:EXIT_SAPMIEQ0_001;
2.4、选择"代码修改"按钮进入函数模块;
2.5.双击函数模块include单元,进入include单元添加自定义代码并激活保存;
3、使用CMOD建立增强项目
3.1.输入自定义项目名,单击"创建";
3.2.选择进入增强项目"配置增强",进入增强屏幕配置;
3.3.输入增强名称如下:IEQM0003
3.四、保存,退出;
4、使用CMOD将加强项目激活,便大工告成。
如何查找
*判断是否存在相应增强的定义(SMOD)
select single name from modsapa into mod0-name
where name = 'PPCO0002'.
if sy-subrc = 0.
endif.
select single * from tadir into ps_tadir_db
where pgmid = 'R3TR'
and object = 'SMOD'
and obj_name = 'PPCO0002'.
*判断是否存在相应增强项目的定义(CMOD)
SELECT SINGLE name FROM MODATTR into mod0-name
WHERE NAME = 'PPCO0002'..
*提取增强的定义的组件 (可以用此反查增强定义)
select * from modsap
where name = 'PPCO0002'.
*判断该增强是否移植到BADI实现
*Enhancement & has already been migrated in Business Add-In definition
select single migrated badi_def into (migrated, exit_name)
from modsapa where name = modname.
if sy-subrc = 0 and migrated = seex_true.
message s621 with modname exit_name.
check mode ne 'CHAM'.
endif.
MODTYP 类型:
E : 功能退出
S : 屏幕
T : 表
C : GUI代码
sap增强存在MODSAP表内
*获取增强组件的参见函数MOD_SAP_MEMBER_TEXT
*获得退出功能模块的信息
select single * from tftit
where "SPRAS" = '1' AND "FUNCNAME" = 'EXIT_SAPLCORE_001'
if sy-subrc = 0.
endif.
*值得学习的函数
MOD_KUN_ACTIVATE(会操作相关报表)

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