13-04

2023-10-19 21:51:44 +08:00
parent 75690361b3
commit d518b3c58a
44 changed files with 1496 additions and 10 deletions
--- a/lib/13/01/pages/page_b.dart
+++ b/lib/13/01/pages/page_b.dart
@@ -15,7 +15,7 @@ class PageB extends StatelessWidget {
        appBar: AppBar(
          title: const Text('B 界面'),
          backgroundColor: bgColor,
-
+          leading: BackButton(onPressed: _pop),
        ),
        body: Center(
          child: ElevatedButton(
@@ -29,4 +29,7 @@ class PageB extends StatelessWidget {
    router.value = ['/','a','b','c'];
  }

+  void _pop() {
+    router.value = List.of(router.value)..removeLast();
+  }
 }