flutter: uses-material-design: true assets: - assets/images/ - assets/images/products/加载整个目录的时候,如果资源目录是多级的,那么需要注册所有能够直达图片资源的路径flutter: assets: - packages/fancy_backgrounds/backgrounds/background1.pnglib/路径是隐含的,不能出现在路径中 flutter本地