4.3 天气预报的功能需求分析.......................................................................8
4.4 系统性能要求...........................................................................................8
4.5 可行性研究...............................................................................................9
4.5.1 经济可行性..................................................................................9
4.5.2 技术可行性..................................................................................9
4.5.3 运行可行性..................................................................................9
4.5.4 法律可行性..................................................................................9
5 总体设计.................................................................................................10
5.1 设计原则.................................................................................................10
5.1.1 实用性原则................................................................................10
5.1.2 可扩展性与可维护性原则........................................................10
5.1.3 安全可靠性原则........................................................................10
5.1.4 用户界面设计原则....................................................................10
5.1.5 数据库设计原则........................................................................10
5.2 功能构架图.............................................................................................11
5.3 数据库关系 E-R 图 ................................................................................12
6 系统界面设计.........................................................................................13
7 系统调试与测试.....................................................................................14
7.1 程序调试.................................................................................................15
7.2 配置站点.................................................................................................15
7.2.1 JDK 的安装和配置 ...................................................................15
7.2.2 Android SDK 安装 ....................................................................15
