[安装 Flask](%E5%9F%BA%E7%A1%80/%E5%AE%89%E8%A3%85Flask.md) [项目结构](%E5%9F%BA%E7%A1%80/%E9%A1%B9%E7%9B%AE%E7%BB%93%E6%9E%84.md) [所需扩展包](%E5%9F%BA%E7%A1%80/%E6%89%80%E9%9C%80%E6%89%A9%E5%B1%95%E5%8C%85.md)