SAP ABAP详解与高断应用.pdf

【核心代码】详解

目 录
前言
第 1 章 ABAP 面向对象编程 ······································································································ 1
1.1 面向对象的基本要素 ····································································································· 2
1.1.1 封装 ························································································································ 2
1.1.2 多态 ························································································································ 3
1.1.3 继承 ························································································································ 3
1.1.4 面向对象的成员 ······································································································· 4
1.1.5 接口 ······················································································································ 10
1.2 本地类的实现 ·············································································································· 12
1.2.1 程序设计 ··············································································································· 12
1.2.2 程序测试 ··············································································································· 26
1.3 全局类的实现 ·············································································································· 26
1.3.1 接口制作 ··············································································································· 26
1.3.2 接口的使用（类的创建） ························································································ 31
1.3.3 类的测试 ··············································································································· 37
第 2 章 ALV 应用 ······················································································································ 38
2.1 函数 ALV 和面向对象事件 ························································································· 44
2.1.1 程序设计 ··············································································································· 44
2.1.2 程序测试 ··············································································································· 59
2.2 面向对象 ALV ·············································································································· 60
2.2.1 Dynpro 控件 ALV ··································································································· 60
2.3 面向对象 ALV ·············································································································· 82
2.3.1 程序设计 ··············································································································· 82
2.3.2 程序测试 ··············································································································· 95
2.4 ALV 树 ························································································································· 97
2.4.1 程序设计 ··············································································································· 97
2.4.2 程序测试 ············································································································· 109
第 3 章 接口 ····························································································································· 111
3.1 SAP 数据交换接口的类型 ························································································ 111
3.1.1 CPI-C 简介··········································································································· 111
3.1.2 RFC 简介 ············································································································· 112
3.1.3 ALE 简介 ············································································································· 112
3.2 SAP R/3 的接口方式 ·································································································· 114
3.2.1 IDOC 接口 ··········································································································· 114
3.2.2 RFC 接口 ············································································································· 119 
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3.2.3 BAPI 接口 ··········································································································· 130
3.3 ALE/IDoc 应用 ··········································································································· 135
3.3.1 SAP 系统间数据传输配置 ····················································································· 135
3.3.2 SAP 系统间数据扩张传输 ····················································································· 149
3.3.3 SAP 系统与其他系统间数据传输 ··········································································· 186
3.4 RFC 应用 ···················································································································· 187
3.4.1 同步 RFC 方式的远程函数调用 ·············································································· 187
3.4.2 异步 RFC 方式的远程函数调用 ·············································································· 188
3.4.3 并行 RFC 方式的远程函数调用 ·············································································· 190
3.4.4 事务 RFC 方式的远程函数调用 ·············································································· 193
3.4.5 队列 RFC 方式的远程函数调用 ·············································································· 196
3.4.6 外部系统 RFC 方式的远程调用 ·············································································· 198
3.5 BAPI 的应用 ·············································································································· 217
3.5.1 SAP 业务对象 ······································································································ 217
3.5.2 BAPI 定义 ··········································································································· 218
3.5.3 BAPI 调用 ··········································································································· 225
第 4 章 增强 ····························································································································· 236
4.1 概述 ···························································································································· 236
4.1.1 第一代增强 ·········································································································· 236
4.1.2 第二代增强 ·········································································································· 238
4.1.3 第三代增强 ·········································································································· 243
4.1.4 第四代增强 ·········································································································· 245
4.2 第一代增强的应用 ····································································································· 245
4.3 第二代增强的应用 ····································································································· 245
4.3.1 数据元素及关键字 ································································································ 245
4.3.2 字段增强 ············································································································· 246
4.3.3 GuiXT 增强 ·········································································································· 250
4.3.4 表增强 ················································································································· 255
4.3.5 函数增强 ············································································································· 259
4.3.6 菜单增强 ············································································································· 263
4.3.7 屏幕增强 ············································································································· 268
4.4 第三代增强的应用 ····································································································· 276
4.4.1 BADI 增强 ··········································································································· 276
4.4.2 BTE 增强 ············································································································· 287
4.5 第四代增强（Code Enhancement）的应用 ······························································ 293
第 5 章 ABAP 面试问题及答案 ······························································································ 298
5.1 语法 ···························································································································· 298
5.1.1 基础知识 ············································································································· 298
5.1.2 应用技术 ············································································································· 301 
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5.2 数据字典相关问题 ····································································································· 304
5.3 报表相关问题 ············································································································ 306
5.3.1 基本报表 ············································································································· 306
5.3.2 ALV 报表 ············································································································ 308
5.3.3 SmartForm 报表 ···································································································· 308
5.4 对话程序 ···················································································································· 309
5.4.1 事件 ···················································································································· 309
5.4.2 控件 ···················································································································· 309
5.4.3 语法 ···················································································································· 310
5.5 批处理 ························································································································ 310
5.5.1 原理 ···················································································································· 310
5.5.2 语法 ···················································································································· 311
5.6 增强 ···························································································································· 312
5.7 接口 ···························································································································· 313
5.7.1 RFC 接口 ············································································································· 314
5.7.2 BAPI 接口 ··········································································································· 315
5.7.3 其他 ···················································································································· 316
5.8 数据库知识 ················································································································ 317
5.8.1 基础知识 ············································································································· 317
5.8.2 ABAP 和数据库 ··································································································· 318
5.9 业务知识 ···················································································································· 321
5.10 其他 ·························································································································· 324
第 6 章 常用工具 ····················································································································· 328
6.1 SAP 简单报表生成工具 ···························································································· 328
6.1.1 Quick View ··········································································································· 328
6.1.2 Quick Query ········································································································· 331
6.2 SAP 快速录入工具 ···································································································· 345