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Contents The documentation is divided into five sections: Introduction to ABAP This contains the basics of application programming in the R/3 System. This information is essential for an understanding of ABAP programming. Following an overview of the R/3 Basis system, it introduces the essential features of application programs and the ABAP programming language. Finally, it gives a short introduction to how you can create an application program in the ABAP Workbench. The ABAP Programming Language This section describes the statements in the ABAP programming language. Beginning with simple statements for data declarations, data processing, and program flow control, it progresses to topics such as modularization and special techniques, explaining which ABAP statements can be used for which purposes. ABAP User Dialogs The different screens that can belong to ABAP programs are displayed here. This shows how you can program and control interaction between ABAP programs and users in the form of screens. Running ABAP Programs This section explains how ABAP programs are executed in the R/3 System. It shows how you can start programs, the conditions under which you must start them, and the different kinds of program execution. ABAP Database Access This section explains how to work with the database in the R/3 System. It describes the parts of the programming language that are converted into SQL statements in the database, and shows how you can program database updates. ABAP Objects This is an introduction to ABAP Objects, the object-oriented extension of ABAP. Objects, classes and interfaces are introduced as the basic elements of ABAP objects. It shows how classes can be defined independently using interfaces or inheritance. It then goes on to introduce further components of classes, namely methods and events. ABAP and JavaScript The section describes how to link JavaScript programs in ABAP using class CL_JAVA_SCRIPT. Appendix The appendix contains summary descriptions and overviews, including a list of all system fields, an ABAP statement reference and a glossary.

BC ABAP/4 用户指南 BC ABAP/4 用户指南 读者注意事项 ABAP/4 简介 第一部分：ABAP/4 基础 ABAP/4 基础 第二部分： 编写 ABAP/4 报表 编写 ABAP/4 报表 第三部分： 编写 ABAP/4 事务 编写 ABAP/4 事务

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