四川省电力公司企业资源管理(ERP)系统实施项目 程序开发标准.docVIP

四川省电力公司企业资源管理(ERP)系统实施项目 程序开发标准 企业资源管理(ERP)系统实施项目 　 程序开发标准 目　　录 3Program Coding Standard 31.1 Program Structure 71.2 Variables in Programs 71.3 Coding Style 71.4 Report Standard 81.5 Data Definition 81.6 Batch Program / Interface Standard 91.7 Message 91.8 Program Logic 91.9 Data Access 111.10 Internal Table 111.11 String Operation 111.12 Online Standard Program Coding Standard Currently, ABAP programming language supports both object-oriented programming and procedural programming. However, in order to increase the program readability and to shorten the development time, procedural programming is recommended for the report programming. This section will provide some guidelines for ABAP/4 developers to follow. 1.1 Program Structure ABAP programs are responsible for data processing within individual dialog steps of an application program. It must be divided into difference processing blocks. In order to increase the readability, the processing blocks should be placed in sequence according to the processing time. For example, *amp;amp;* *amp; 程序名称： zhrr0001 amp;* *amp; 程序描述： 岗位聘用合同书 amp;* *amp; 开发人员： Jess Zeng amp;* *amp; 创建日期： 2006/08/01 amp;* *amp; 程序用途： 按照人事董事部“岗位聘用合同书”固定格式编写. amp;* *amp; 打印A4纸上，树排版。一般情况下，输入人员编号， amp;* *amp; 打印某一个人的合同书。 amp;* *amp; 更改记录 　　 amp;* *amp; 日期 更改人. 更改版本 主要更改内容描述 　 amp;* *amp; 2006/02/15 jess.zeng DEVK926584 新建　　　　　 amp;* *amp; 2006/07/27 jess.zeng DEVK926590 amp;* *amp;amp;* REPORT ZHRR0001 NO STANDARD PAGE HEADING LINE-SIZE 192 LINE-COUNT 58 MESSAGE-ID Z001. * 声明使用到的表 Tables: T001, VBAK, VBAP. ** * 定义常量 * ** CONSTANTS: CNS_CHAR_X(1) TYPE C VALUE #