as400开发初阶

AS/400 开发初阶 1 1 AS/400 开发初阶AS/400 开发初阶 2 2 1 OS/400...............................................................................................................................................3 1.1 基本系统概念...........................................................................................................................3 1.2 作业...........................................................................................................................................3 1.3 程序开发...................................................................................................................................4 1.3.1 ＰＤＭ介绍..........................................................................................................................4 1.3.2 AS/400 的源码编辑器..........................................................................................................5 1.3.3 AS/400 的程序......................................................................................................................6 2 DB2/400 简介...................................................................................................................................8 2.1 DDS 简介..................................................................................................................................8 2.2 创建一个物理文件 PF .............................................................................................................8 2.3 创建一个逻辑文件 LF.............................................................................................................9 2.4 DB2 的常工具 ..........................................................................................................................9 3 RPG 语言..........................................................................................................................................9 3.1 H 定义.....................................................................................................................................10 3.2 F 数据库引用 .........................................................................................................................10 3.3 D 数据定义.............................................................................................................................10 3.3.1 定义格式........................................................................................................................11 3.3.2 例子................................................................................................................................11 3.4 C 计算逻辑.............................................................................................................................12 3.4.1 常用C 源码结构............................................................................................................12 3.4.2 程序参数........................................................................................................................13 3.4.3 子例程...............................................................