目录 第一章 个人通讯录管理系统概述 ................................................................................................. 1 1.1 需求分析 ............................................................................................................................ 1 1.2 系统总体规划 .................................................................................................................... 1 1 .2 .1 系统功能简介 .......................................................................................................... 1 1 .2 .2 系统功能模块规划 .................................................................................................. 1 第二章 系统数据库设计 ................................................................................................................. 3 2.1 数据库需求分析 ................................................................................................................ 3 2.2 数据库字典 ........................................................................................................................ 3 2.3 E-R 图如下： .................................................................................................................... 4 第三章 数据类的编写 ..................................................................................................................... 6 3.1 数据库连接公共类 ............................................................................................................ 6 3.2 数据表操作类 .................................................................................................................... 7 3 .2 .1 用户表 ..................................................................................................................... 7 3 .2 .2 联系人表 ................................................................................................................. 8 3 .2 .1 分组表 ..........................
