[1、结构目录](1%E3%80%81%E7%BB%93%E6%9E%84%E7%9B%AE%E5%BD%95.md) [2、资源路径](2%E3%80%81%E8%B5%84%E6%BA%90%E8%B7%AF%E5%BE%84.md) [3、生命周期](3%E3%80%81%E7%94%9F%E5%91%BD%E5%91%A8%E6%9C%9F.md)