一个带有 firebase 后端的 Flutter Ecom 应用

lib
│───main.dart    
└───src
    │───config
    |    └──route.dart
    │───model
    │    │──category.dart
    |    │──data.dart
    |    └──product.dart
    │───pages
    |    │──homePage.dart
    |    │──mainPage.dart
    |    │──product_detail.dart
    |    └──shoping_cart_page.dart
    │───theme
    |    │──light_color.dart
    |    └──theme.dart
    └───widgets
         │──BottomNavigationBar
         |   |──bootom_navigation_bar.dart
         |   |──bottom_curved_Painter.dart
         |   └──centered_elasticIn_curve.dart
         |──bottom_navigation_bar.dart
         |  customRoute.dart
         |  prduct_icon.dart
         │──product_card.dart
         └──title_text.dart