关于enhancement的学习笔记

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第一章关于ENHANCEMENT ......................................................................................................................... 4
第一节简单描述 ......................................................................................................................................... 4
 第一代 [User Exit] ........................................................................................................................... 4
 第二代 [Customer Exit] ................................................................................................................... 4
 第三代 [Classic BADI] ..................................................................................................................... 4
 ecc6中新增的增强框架 (Enhancement Framework) ...................................................................... 4
第二节 SUMMARY ............................................................................................................................................. 4
第二章介绍CUSTOMER EXIT ..................................................................................................................... 6
第一节概述 ................................................................................................................................................. 6
 Categories of customer-Exits: ..................................................................................................... 6
 How to find the all Customer Exit ............................................................................................. 8
 How to find the Customer Exit ..................................................................................................... 8
 How to implement it ......................................................................................................................... 8
第二节 FUNCTION-EXITS ................................................................................................................................ 11
 How to Find a Function Exit and implement it ................................................................... 11
第三节 MENU–EXITS .................................................................................................................................... 17
 How to find the Menu-exits ......................................................................................................... 17
 Find the Menu-Exit and implement it. ..................................................................................... 17
第四节 SCREEN-EXIT .................................................................................................................................... 21
 How to find the screen-exit ....................................................................................................... 21
 Find the screen exit and implement it. ................................................................................. 21
第三章 ENHANCEMENTS TO DICTIONARY ELEMENTS .................................................................................. 24
第一节 TABLE ENHANCEMENTS ........................................................................................................................... 24
 Append structure ............................................................................................................................. 25
 Include ............................................................................................................................................. 25
第二节 FIELD EXITS ..................................................................................................................................... 26
 How to implement ............................................................................................................................. 26
第三节 TEXT ENHANCEMENTS ............................................................................................................................ 26
 How to find it ................................................................................................................................ 26
 How to implement it ....................................................................................................................... 26
第四节 FIXED VALUE APPEND ........................................................................................................................... 29
第五节 SEARCH HELP EXIT .............................................................................................................................. 30
第四章 VALIDATIONS ............................................................................................................................... 32
第一节 WHAT ARE VALIDATIONS? ..................................................................................................................... 32
第二节 BASIC STEPS IN CONFIGURING VALIDATIONS .......................................................................................... 33
第三节 RELATED TRANSACTION CODES ............................................................................................................... 33
第五章 SUBSTITUTIONS ............................................................................................................................ 37
第一节 WHAT IS THE DIFFERENT BETWEEN VALIDATION AND SUBSTITUTION ............................................................. 37
第六章 BUSINESS TRANSACTION EVENT(BTE) .......................................................................................... 41
Enhancement in SAP-学习笔记 2011
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第一节 HOW TO FIND THE BTE ....................................................................................................................... 41
第二节 HOW TO IMPLEMENT IT ......................................................................................................................... 43
第七章 ENHANCEMENT POINTS/OPTIONS AND ENHANCEMENT SECTIONS ................................................... 43
第一节 ENHANCEMENT SPOT ............................................................................................................................. 43
 How to use the enhancement spot .............................................................................................. 43
第二节 EXPLICIT ENHANCEMENT POINTS AND SECTIONS ...................................................................................... 45
 Over view ......................................................................................................................................... 45
 How to find the enhancement points and implement ............................................................ 45
 How to find the enhancement sections and implement ........................................................ 48
第三节 IMPLICIT ENHANCEMENT POINTS AND OPTIONS ........................................................................................ 51
 Over view ......................................................................................................................................... 51
 How to enhance interfaces for SAP function modules ........................................................ 52
 How to implement interfaces for sap function modules .................................................... 52
 How to Enhance source code for SAP function modules ..................................................... 53
 How to implement source code for sap function modules .................................................. 54
 How to Enhance interfaces for global SAP methods ............................................................ 56
 How to implement interface for global sap methods .......................................................... 57
 How to Defining a pre/post/overwrite method for the method of a global SAP class 58
 How to implement a pre/post/overwrite method for the method of a global SAP class 58
 How to Enhance source code in methods of global SAP classes ...................................... 60
 How to implement source code in methods of global SAP classes .................................. 60
 How to enhance source code in sap program .......................................................................... 63
 How to implement source code in sap program ...................................................................... 63
 How to create enhancement-points ............................................................................................ 64
 How to implement enhancement-points ...................................................................................... 65
 How to create enhancement sections ........................................................................................ 66
 How to implement enhancement sections .................................................................................. 66
第八章 CLASSIC BUSINESS ADD-INS (BADIS) ....................................................................................... 67
第一节 OVER VIEW ....................................................................................................................................... 67
第二节 HOW TO FIND THE CLASSIC BADI ........................................................................................................ 69
 Use free search ............................................................................................................................. 69
第三节 HOW TO IMPLEMENT THE CLASSIC BADI ................................................................................................ 70
第九章 NEW BADIS .................................................................................................................................. 73
第一节 OVER VIEW ....................................................................................................................................... 73
第二节 NEW BADI PROGRAM EXIT .................................................................................................................... 74
 How to find the new BADIS ......................................................................................................... 74
 How to implement new BADIS ....................................................................................................... 76
第三节 NEW BADI MENU EXITS ....................................................................................................................... 81
 Over view ........................................................................................................................................ 81
Enhancement in SAP-学习笔记 2011
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 How to find and implement the new BADI menu exit ............................................................ 82
 How to implement it ...................................................................................................................... 82
第四节 NEW BADI SCREEN EXIT ..................................................................................................................... 87
 Over view ......................................................................................................................................... 87
 How to find and implement new BADI screen exit .............................................................. 88
 How to implement it ...................................................................................................................... 88
第十章 SWITCH FRAMEWORK ...................................................................................................................... 94
第一节 DEFINING A SWITCH ............................................................................................................................ 94
第二节 DEFINING A BUSINESS FUNCTION ........................................................................................................... 95
第三节 ACTIVATING/DEACTIVATING BUSINESS FUNCTIONS .................................................................................... 95