138 lines
5.1 KiB
Dart
138 lines
5.1 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_bloc/flutter_bloc.dart';
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import '../../blocs/admin/admin_bloc.dart';
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import '../../utils/web_theme.dart';
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import 'widgets/user_management_table.dart';
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class UserManagementScreen extends StatefulWidget {
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const UserManagementScreen({super.key});
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@override
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State<UserManagementScreen> createState() => _UserManagementScreenState();
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}
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class _UserManagementScreenState extends State<UserManagementScreen> {
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@override
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void initState() {
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super.initState();
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// 加载用户数据
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context.read<AdminBloc>().add(LoadUsers());
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: WebTheme.getBackgroundColor(context),
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body: Align(
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alignment: Alignment.topCenter,
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child: ConstrainedBox(
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constraints: const BoxConstraints(maxWidth: 1600),
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child: Padding(
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padding: const EdgeInsets.all(16.0),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.start,
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children: [
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// 页面标题
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Container(
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margin: const EdgeInsets.only(bottom: 16),
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child: Text(
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'用户管理',
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style: TextStyle(
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fontSize: 24,
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fontWeight: FontWeight.bold,
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color: WebTheme.getTextColor(context),
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),
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),
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),
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// 内容区域
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Expanded(
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child: BlocBuilder<AdminBloc, AdminState>(
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builder: (context, state) {
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if (state is AdminLoading) {
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return Center(
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child: CircularProgressIndicator(
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valueColor: AlwaysStoppedAnimation<Color>(
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WebTheme.getTextColor(context),
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),
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),
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);
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} else if (state is AdminError) {
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.error_outline,
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size: 64,
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color: Colors.red,
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),
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const SizedBox(height: 16),
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Text(
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'加载失败：${state.message}',
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style: TextStyle(
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color: WebTheme.getTextColor(context),
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fontSize: 16,
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),
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textAlign: TextAlign.center,
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),
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const SizedBox(height: 16),
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ElevatedButton(
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onPressed: () {
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context.read<AdminBloc>().add(LoadUsers());
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},
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style: ElevatedButton.styleFrom(
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backgroundColor: WebTheme.getTextColor(context),
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foregroundColor: WebTheme.getBackgroundColor(context),
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),
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child: const Text('重试'),
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),
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],
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),
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);
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} else if (state is UsersLoaded) {
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return UserManagementTable(users: state.users);
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} else {
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// 初始状态或其他状态，显示空状态
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return Center(
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child: Column(
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mainAxisAlignment: MainAxisAlignment.center,
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children: [
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Icon(
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Icons.people_outline,
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size: 64,
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color: WebTheme.getSecondaryTextColor(context),
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),
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const SizedBox(height: 16),
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Text(
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'暂无用户数据',
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style: TextStyle(
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color: WebTheme.getSecondaryTextColor(context),
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fontSize: 16,
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),
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),
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const SizedBox(height: 16),
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ElevatedButton(
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onPressed: () {
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context.read<AdminBloc>().add(LoadUsers());
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},
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style: ElevatedButton.styleFrom(
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backgroundColor: WebTheme.getTextColor(context),
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foregroundColor: WebTheme.getBackgroundColor(context),
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),
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child: const Text('加载用户'),
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),
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],
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),
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);
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}
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},
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),
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),
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],
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),
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),
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),
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),
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);
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}
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} |