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lib/14/01/pages/app/app_tool_bar.dart

@@ -0,0 +1,64 @@
+import 'package:flutter/material.dart';
+import 'app_navigation.dart';
+
+class AppToolBar extends StatefulWidget implements PreferredSizeWidget{
+  const AppToolBar({super.key});
+
+  @override
+  State<AppToolBar> createState() => _AppToolBarState();
+
+  @override
+  Size get preferredSize => const Size.fromHeight(kToolbarHeight);
+}
+
+class _AppToolBarState extends State<AppToolBar> {
+
+  TextEditingController _ctrl = TextEditingController();
+
+  @override
+  void initState() {
+    super.initState();
+    _changRoute();
+    router.addListener(_changRoute);
+  }
+
+  @override
+  void dispose() {
+    router.removeListener(_changRoute);
+    _ctrl.dispose();
+    super.dispose();
+  }
+
+  void _changRoute() {
+    _ctrl.text=router.value.join(',');
+  }
+
+  @override
+  Widget build(BuildContext context) {
+
+    return AppBar(
+      backgroundColor: Colors.white,
+      elevation: 0,
+      title : TextField(
+        controller: _ctrl,
+        onSubmitted: _onSubmitted,
+        decoration: InputDecoration( //装饰
+            filled: true, //填充
+            fillColor: Color(0xffF3F6F9), //填充颜色
+            constraints: BoxConstraints(maxHeight: 34), //约束信息
+            contentPadding: EdgeInsets.only(top: -14,left: 10),
+            border: UnderlineInputBorder( //边线信息
+              borderSide: BorderSide.none,
+              borderRadius: BorderRadius.all(Radius.circular(6)),
+            ),
+            hintText: "请输入路由", //提示字
+            hintStyle: TextStyle(fontSize: 14) //提示字样式
+        ),
+      ),
+    );
+  }
+
+  void _onSubmitted(String value) {
+    router.value = value.split(',');
+  }
+}