feat(login): 更新登录页布局和跳转

lib/login.dart

@@ -0,0 +1,51 @@
+import 'package:flutter/material.dart';
+
+///
+/// 登录页
+///
+class Login extends StatefulWidget {
+  final Function? successCallback;
+
+  const Login({
+    Key? key,
+    this.successCallback,
+  }) : super(key: key);
+
+  @override
+  LoginState createState() => LoginState();
+}
+
+class LoginState extends State<Login> {
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      appBar: AppBar(
+        // title: Text(''),
+        backgroundColor: Theme.of(context).colorScheme.background,
+        centerTitle: false,
+      ),
+      body: SafeArea(
+        child: Column(
+          children: const [
+            Text(
+              '和数以千计的同好一起，',
+              style: TextStyle(
+                fontSize: 24,
+              ),
+            ),
+            Text(
+              '创造，改变',
+              style: TextStyle(
+                fontSize: 28,
+              ),
+            ),
+            Text(
+              '广阔九州，大有可为！',
+              style: TextStyle(fontSize: 22),
+            )
+          ],
+        ),
+      ),
+    );
+  }
+}

lib/main.dart

@@ -192,11 +192,11 @@ class BistroFrameState extends State<BistroFrame> {
             _index = index;
           });
 
-          loginRequired.forEach((index) {
+          for (var index in loginRequired) {
             if (_index == index) {
               Navigator.of(context).pushNamed(RouterTable.loginPath);
             }
-          });
+          }
         },
       ),
     );

lib/mine/login.dart

@@ -1,34 +0,0 @@
-import 'package:flutter/material.dart';
-
-///
-/// 登录页
-///
-class Login extends StatefulWidget {
-  final Function successCallback;
-
-  const Login({
-    required Key key,
-    required this.successCallback,
-  }) : super(key: key);
-
-  @override
-  LoginState createState() => LoginState();
-}
-
-class LoginState extends State<Login> {
-  @override
-  Widget build(BuildContext context) {
-    return Scaffold(
-      appBar:  AppBar(
-          title: const Text(
-            '登录',
-            style: TextStyle(
-              fontSize: 30,
-            ),
-          ),
-          centerTitle: true,
-        ),
-      body: const Text('登录'),
-    );
-  }
-}