[3.1.1环境要求](3.1.1%E7%8E%AF%E5%A2%83%E8%A6%81%E6%B1%82.md) [3.1.2、框架目录结构](3.1.2%E3%80%81%E6%A1%86%E6%9E%B6%E7%9B%AE%E5%BD%95%E7%BB%93%E6%9E%84.md) [3.1.3、入口文件](3.1.3%E3%80%81%E5%85%A5%E5%8F%A3%E6%96%87%E4%BB%B6.md)