feat:更新主题色适配

lib/views/login.dart

@@ -4,6 +4,7 @@ import 'package:flutter_common/utils/toast_util.dart';
 import 'package:flutter_form_builder/flutter_form_builder.dart';
 import 'package:food_hub_app/apis/session.dart';
 import 'package:food_hub_app/models/session.dart';
+import 'package:food_hub_app/widgets/common/form.dart';
 import 'package:food_hub_app/widgets/common/index.dart';
 import 'package:form_builder_validators/form_builder_validators.dart';
 
@@ -85,7 +86,6 @@ class _LoginPage extends State<LoginPage> {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      backgroundColor: Colors.grey[100],
       body: Form(
         key: _formKey,
         child: Column(
@@ -145,7 +145,8 @@ class _LoginPage extends State<LoginPage> {
           name: 'username',
           initialValue: _username,
           keyboardType: TextInputType.text,
-          decoration: formInputDecoration(
+          decoration: buildInputDecoration(
+            context: context,
             hintText: "请输入账号",
             prefixIcon: Icons.person,
           ),
@@ -169,22 +170,18 @@ class _LoginPage extends State<LoginPage> {
           obscureText: _isObscure,
           onSaved: (v) => _password = v!,
           validator: FormBuilderValidators.required(),
-          decoration: InputDecoration(
-            prefixIcon: Icon(Icons.lock),
+          decoration: buildInputDecoration(
+            context: context,
             hintText: "请输入密码",
-            hintStyle: TextStyle(color: Colors.grey),
-            border: OutlineInputBorder(),
-            filled: true,
-            fillColor: Colors.white,
+            prefixIcon: Icons.lock,
+          ).copyWith(
             suffixIcon: IconButton(
               icon: Icon(Icons.remove_red_eye, color: _eyeColor),
               onPressed: () {
+                final colors = Theme.of(context).colorScheme;
                 setState(() {
                   _isObscure = !_isObscure;
-                  _eyeColor =
-                      (_isObscure
-                          ? Colors.grey
-                          : Theme.of(context).iconTheme.color)!;
+                  _eyeColor = (_isObscure ? Colors.grey : colors.surface);
                 });
               },
             ),