信息发布系统详细设计文档1目录第一部分、引言....................................................................................................................................21.1编写目的.............................................................................................................................................21.2背景.....................................................................................................................................................31.3定义.....................................................................................................................................................33.1程序描述.............................................................................................................................................53.2整体结构.............................................................................................................................................53.3性能.....................................................................................................................................................53.4输入输出项.........................................................................................................................................53.5算法.....................................................................................................................................................53.6主要类的设计.....................................................................................................................................53.7存储分配.............................................................................................................................................73.8注释.....................................................................................................................................................73.9限制条件....................................................................................................................