增加login页面

lib/main.dart

@@ -1,6 +1,6 @@
 import 'package:flutter/material.dart';
 
-import 'pages/splash.dart';
+import 'pages/login.dart';
 
 
 void main() {
@@ -13,7 +13,7 @@ class MyApp extends StatelessWidget {
   @override
   Widget build(BuildContext context) {
     return MaterialApp(
-      home: const SplashPage(),
+      home: const LoginPage(),
       debugShowCheckedModeBanner: false,
       theme: ThemeData(
         //设置主题色

lib/pages/login.dart

@@ -0,0 +1,74 @@
+import 'package:flutter/material.dart';
+
+import '../common/app_colors.dart';
+import '../common/assets.dart';
+
+class LoginPage extends StatefulWidget {
+  const LoginPage({Key? key}) : super(key: key);
+
+  @override
+  State<LoginPage> createState() => _LoginPageState();
+}
+
+class _LoginPageState extends State<LoginPage> {
+  //登录表达
+  Widget _buildForm() {
+    return Container();
+  }
+
+  //主视图 拆成函数
+  Widget _buildView(BuildContext context) {
+    return Center(
+      child: Column(
+        mainAxisAlignment: MainAxisAlignment.center,
+        children: [
+          //logo
+          Image.asset(
+            AssetsImages.logoPng,
+            height: 60,
+            width: 57,
+          ),
+
+          const SizedBox(height: 22),
+
+          //主标题
+          const Text(
+            "Let's sign you in",
+            style: TextStyle(
+              fontSize: 20,
+              fontWeight: FontWeight.bold,
+              color: Colors.white,
+            ),
+          ),
+
+          const SizedBox(height: 10),
+
+          //子标题
+          const Text(
+            "Wlecome back,you've been missed",
+            style: TextStyle(
+              fontSize: 13,
+              fontWeight: FontWeight.w300,
+              color: Color(0xFFEEEEEE),
+            ),
+          ),
+
+          const SizedBox(height: 55),
+
+          //表单
+          _buildForm(),
+
+          //end
+        ],
+      ),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return Scaffold(
+      backgroundColor: AppColors.backgroundSplash,
+      body: _buildView(context),
+    );
+  }
+}