# 2. 需求规格说明

- [2.1. 引言](/docs/2.-xu-qiu-gui-ge-shuo-ming/yin-yan.md)
- [2.2. 总体概述](/docs/2.-xu-qiu-gui-ge-shuo-ming/zong-ti-gai-shu.md)
- [2.3. 数据描述](/docs/2.-xu-qiu-gui-ge-shuo-ming/shu-ju-miao-shu.md)
- [2.4. 功能需求](/docs/2.-xu-qiu-gui-ge-shuo-ming/gong-neng-xu-qiu.md)
- [2.5. 非功能需求](/docs/2.-xu-qiu-gui-ge-shuo-ming/fei-gong-neng-xu-qiu.md)
- [2.6. 约束条件](/docs/2.-xu-qiu-gui-ge-shuo-ming/yue-shu-tiao-jian.md)
