完善移动端错误提示中文化

apps/service_app/lib/ui/features/auth/login_page.dart

@@ -1,7 +1,11 @@
+// 功能描述：提供工作人员端手机号密码登录界面及本地输入校验。
+// 版本：1.1.0
 import 'package:flutter/material.dart';
 
 import '../../../app/dependencies.dart';
+import '../../../data/services/api_client.dart';
 
+/// 工作人员端手机号密码登录页面。
 class LoginPage extends StatefulWidget {
   const LoginPage({required this.session, super.key});
 
@@ -11,22 +15,41 @@ class LoginPage extends StatefulWidget {
   State<LoginPage> createState() => _LoginPageState();
 }
 
+/// 管理登录输入、提交状态和错误提示。
 class _LoginPageState extends State<LoginPage> {
+  static final RegExp _phonePattern = RegExp(r'^1[3-9]\d{9}$');
+
   final _phone = TextEditingController();
   final _password = TextEditingController();
   bool _busy = false;
   String? _error;
+  String? _phoneError;
   bool _obscurePassword = true;
 
+  /// 校验手机号并提交登录请求。
   Future<void> _login() async {
+    final phone = _phone.text.trim();
+    if (!_phonePattern.hasMatch(phone)) {
+      setState(() {
+        _phoneError = '请输入正确的11位手机号';
+        _error = null;
+      });
+      return;
+    }
+
     setState(() {
       _busy = true;
+      _phoneError = null;
       _error = null;
     });
     try {
-      await widget.session.login(_phone.text.trim(), _password.text);
+      await widget.session.login(phone, _password.text);
     } catch (error) {
-      if (mounted) setState(() => _error = error.toString());
+      // 登录接口使用统一密码错误码，页面不区分账号是否存在，避免泄露账号状态。
+      final message = error is ApiException
+          ? (error.code == 1108 ? '手机号或密码错误' : error.toString())
+          : '登录失败，请稍后重试';
+      if (mounted) setState(() => _error = message);
     } finally {
       if (mounted) setState(() => _busy = false);
     }
@@ -84,9 +107,13 @@ class _LoginPageState extends State<LoginPage> {
                 TextField(
                   controller: _phone,
                   keyboardType: TextInputType.phone,
-                  decoration: const InputDecoration(
+                  onChanged: (_) {
+                    if (_phoneError != null) setState(() => _phoneError = null);
+                  },
+                  decoration: InputDecoration(
                     labelText: '工作人员手机号',
-                    prefixIcon: Icon(Icons.phone_outlined),
+                    prefixIcon: const Icon(Icons.phone_outlined),
+                    errorText: _phoneError,
                   ),
                 ),
                 const SizedBox(height: 14),