feat:增加公共组件
This commit is contained in:
28
lib/utils/convert_utils.dart
Normal file
28
lib/utils/convert_utils.dart
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@@ -0,0 +1,28 @@
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import '../models/common_model.dart';
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List<T> convertList<T>(
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dynamic data,
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T Function(Map<String, dynamic>) fromJson,
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) {
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if (data is List) {
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return data.map((item) => fromJson(item as Map<String, dynamic>)).toList();
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}
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throw FormatException(
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'Expected a list of items for conversion, but got ${data.runtimeType}',
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);
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}
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PageResult<T> convertPage<T>(
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dynamic data,
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T Function(Map<String, dynamic>) fromJson,
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) {
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if (data is Map<String, dynamic>) {
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return PageResult<T>.fromJson(
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data,
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(json) => fromJson(json as Map<String, dynamic>),
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);
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}
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throw FormatException(
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'Expected a Map for page response conversion, but got ${data.runtimeType}',
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);
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}
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@@ -11,3 +11,20 @@ String formatDateString(String date) {
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String formatTime(DateTime datetime) {
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return DateFormat('yyyy-MM-dd HH:mm:ss').format(datetime);
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}
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bool isToday(DateTime? date) {
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if (date == null) return false;
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final now = DateTime.now();
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return date.year == now.year &&
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date.month == now.month &&
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date.day == now.day;
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}
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bool isAfterToday(DateTime? date) {
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if (date == null) return false;
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if (!isToday(date)) return false;
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return date.isAfter(DateTime.now());
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}
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251
lib/utils/http_utils.dart
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251
lib/utils/http_utils.dart
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@@ -0,0 +1,251 @@
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import 'package:dio/dio.dart';
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import 'log_utils.dart';
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import 'sp_utils.dart';
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class HttpUtil {
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static HttpUtil? _instance;
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factory HttpUtil({
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required String baseUrl,
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int timeout = 5,
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}) {
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_instance ??= HttpUtil._internal(
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baseUrl: baseUrl,
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timeout: timeout,
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);
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return _instance!;
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}
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final String baseUrl;
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final int timeout;
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late Dio _dio;
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// 请求头配置
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Map<String, dynamic> headers = {
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'Content-Type': 'application/json;charset=UTF-8',
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'Accept': 'application/json',
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};
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HttpUtil._internal({
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required this.baseUrl,
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required this.timeout,
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}) {
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_initDio();
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}
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void _initDio() {
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BaseOptions options = BaseOptions(
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baseUrl: baseUrl,
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connectTimeout: Duration(seconds: timeout),
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receiveTimeout: Duration(seconds: timeout),
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sendTimeout: Duration(seconds: timeout),
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headers: headers,
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);
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_dio = Dio(options);
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// 添加请求拦截器
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_dio.interceptors.add(
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InterceptorsWrapper(
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onRequest: (options, handler) {
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logger.d("请求URL: ${options.uri}");
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if (options.data != null) {
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logger.d("请求参数: ${options.data}");
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}
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if (SPUtil.getString('token').isNotEmpty) {
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options.headers['satoken'] = SPUtil.getString('token');
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}
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return handler.next(options);
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},
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),
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);
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// 添加响应拦截器
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_dio.interceptors.add(
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InterceptorsWrapper(
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onResponse: (response, handler) {
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logger.d("响应状态码: ${response.statusCode}");
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// logger.d("响应数据: ${response.data}");
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return handler.next(response);
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},
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),
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);
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// 添加错误拦截器
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_dio.interceptors.add(
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InterceptorsWrapper(
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onError: (DioException e, handler) {
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_handleError(e);
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return handler.next(e);
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},
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),
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);
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}
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// 基础请求方法（处理所有类型的请求）
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Future<T> _request<T>(
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String path, {
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required String method,
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dynamic data,
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Map<String, dynamic>? queryParameters,
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T Function(dynamic data)? converter,
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}) async {
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try {
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Response response = await _dio.request(
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path,
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data: data,
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queryParameters: queryParameters,
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options: Options(method: method),
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);
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// 处理响应数据
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if (converter != null) {
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return converter(response.data);
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}
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// 没有转换器时尝试直接返回（可能不安全，建议提供转换器）
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return response.data;
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} catch (e) {
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rethrow;
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}
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}
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// GET请求
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Future<T> get<T>(
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String path, {
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Map<String, dynamic>? queryParameters,
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T Function(dynamic data)? converter,
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}) =>
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_request(
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path,
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method: "GET",
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queryParameters: queryParameters,
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converter: converter,
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);
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// POST请求
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Future<T> post<T>(
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String path, {
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dynamic data,
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Map<String, dynamic>? queryParameters,
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T Function(dynamic data)? converter,
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}) =>
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_request(
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path,
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method: "POST",
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data: data,
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queryParameters: queryParameters,
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converter: converter,
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);
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// PUT请求
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Future<T> put<T>(
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String path, {
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dynamic data,
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Map<String, dynamic>? queryParameters,
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T Function(dynamic data)? converter,
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}) =>
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_request(
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path,
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method: "PUT",
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data: data,
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queryParameters: queryParameters,
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converter: converter,
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);
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// DELETE请求
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Future<T> delete<T>(
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String path, {
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dynamic data,
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Map<String, dynamic>? queryParameters,
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T Function(dynamic data)? converter,
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}) =>
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_request(
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path,
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method: "DELETE",
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data: data,
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queryParameters: queryParameters,
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converter: converter,
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);
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// 错误处理
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void _handleError(dynamic error) {
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String errorMessage = '未知错误';
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if (error is DioException) {
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switch (error.type) {
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case DioExceptionType.connectionTimeout:
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errorMessage = '连接超时，请检查网络连接';
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break;
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case DioExceptionType.sendTimeout:
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errorMessage = '发送超时，请检查网络连接';
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break;
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case DioExceptionType.receiveTimeout:
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errorMessage = '接收超时，请检查网络连接';
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break;
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case DioExceptionType.cancel:
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errorMessage = '请求已取消';
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break;
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case DioExceptionType.badCertificate:
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errorMessage = '证书验证失败';
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break;
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case DioExceptionType.badResponse:
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// 处理HTTP响应错误（4xx, 5xx）
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final statusCode = error.response?.statusCode ?? 0;
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final responseData = error.response?.data;
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if (responseData is Map<String, dynamic> &&
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responseData.containsKey('message')) {
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// 服务器返回了自定义错误消息
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errorMessage = responseData['message']?.toString() ?? '未知错误';
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} else {
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errorMessage = _getHttpErrorMessage(statusCode);
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}
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break;
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case DioExceptionType.connectionError:
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errorMessage = '网络连接错误，请检查网络设置';
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break;
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case DioExceptionType.unknown:
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if (error.error != null) {
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errorMessage = '未知错误: ${error.error.toString()}';
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}
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errorMessage = '发生未知错误';
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break;
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}
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} else {
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errorMessage = '非Dio错误: $error';
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}
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logger.e(errorMessage);
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// showErrorToast(errorMessage);
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}
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String _getHttpErrorMessage(int statusCode) {
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// 根据HTTP状态码返回对应的错误消息
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switch (statusCode) {
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case 400:
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return '错误请求，请检查参数';
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case 401:
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return '未授权，请登录';
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case 403:
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return '禁止访问，权限不足';
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case 404:
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return '资源不存在';
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case 405:
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return '方法不允许';
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case 408:
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return '请求超时';
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case 500:
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return '服务器内部错误';
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case 502:
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return '网关错误';
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case 503:
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return '服务不可用';
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case 504:
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return '网关超时';
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default:
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return 'HTTP错误: $statusCode';
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}
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}
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}
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12
lib/utils/log_utils.dart
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12
lib/utils/log_utils.dart
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@@ -0,0 +1,12 @@
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import 'package:logger/logger.dart';
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// 全局日志实例，在整个项目中共享
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final Logger logger = Logger(
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printer: PrettyPrinter(
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methodCount: 1,
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colors: true,
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dateTimeFormat: DateTimeFormat.dateAndTime,
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),
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// 可选：配置输出到文件（需配合文件操作库）
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// output: FileOutput(file: File('logs/app.log')),
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);
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24
lib/utils/number_utils.dart
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24
lib/utils/number_utils.dart
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@@ -0,0 +1,24 @@
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/// 将数字格式化为中文单位（万/亿）
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String formatChineseDecimal(num number, {int decimalPlaces = 2}) {
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if (number < 10000) {
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return number.toString();
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} else if (number < 100000000) {
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// 万单位
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double result = number / 10000.0;
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return '${_formatDecimal(result, decimalPlaces)}万';
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} else {
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// 亿单位
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double result = number / 100000000.0;
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return '${_formatDecimal(result, decimalPlaces)}亿';
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}
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}
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String _formatDecimal(double number, int decimalPlaces) {
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// 去除末尾的0和小数点
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String formatted = number.toStringAsFixed(decimalPlaces);
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if (formatted.contains('.')) {
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formatted = formatted.replaceAll(RegExp(r'0*$'), '');
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formatted = formatted.replaceAll(RegExp(r'\.$'), '');
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}
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return formatted;
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}
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87
lib/utils/theme_utils.dart
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87
lib/utils/theme_utils.dart
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@@ -0,0 +1,87 @@
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import 'package:flutter/material.dart';
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class ThemeColor {
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final String name;
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final Color primaryColor;
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final MaterialColor materialColor;
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ThemeColor({
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required this.name,
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required this.primaryColor,
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required this.materialColor,
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});
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}
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final List<ThemeColor> defaultThemes = [
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ThemeColor(
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name: '梦幻紫',
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primaryColor: Color(0xFF8B5CF6),
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materialColor: MaterialColor(0xFF8B5CF6, {
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50: Color(0xFFF5F3FF),
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100: Color(0xFFEDE9FE),
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200: Color(0xFFDDD6FE),
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300: Color(0xFFC4B5FD),
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400: Color(0xFFA78BFA),
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500: Color(0xFF8B5CF6),
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600: Color(0xFF7C3AED),
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700: Color(0xFF6D28D9),
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800: Color(0xFF5B21B6),
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900: Color(0xFF4C1D95),
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}),
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),
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ThemeColor(
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name: '活力橙',
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primaryColor: Color(0xFFF59E0B),
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materialColor: MaterialColor(0xFFF59E0B, {
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50: Color(0xFFFFFBEB),
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100: Color(0xFFFEF3C7),
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200: Color(0xFFFDE68A),
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300: Color(0xFFFCD34D),
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400: Color(0xFFFBBF24),
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500: Color(0xFFF59E0B),
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600: Color(0xFFD97706),
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700: Color(0xFFB45309),
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800: Color(0xFF92400E),
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900: Color(0xFF78350F),
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}),
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),
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ThemeColor(
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name: '浪漫粉',
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primaryColor: Color(0xFFEC4899),
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materialColor: MaterialColor(0xFFEC4899, {
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50: Color(0xFFFDF2F8),
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100: Color(0xFFFCE7F3),
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200: Color(0xFFFBCFE8),
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300: Color(0xFFF9A8D4),
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400: Color(0xFFF472B6),
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500: Color(0xFFEC4899),
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600: Color(0xFFDB2777),
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700: Color(0xFFBE185D),
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800: Color(0xFF9D174D),
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900: Color(0xFF831843),
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}),
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),
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ThemeColor(
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name: '清新青',
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primaryColor: Color(0xFF06B6D4),
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materialColor: MaterialColor(0xFF06B6D4, {
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50: Color(0xFFF0FDFA),
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100: Color(0xFFCCFBF1),
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200: Color(0xFF99F6E4),
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300: Color(0xFF5EEAD4),
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400: Color(0xFF2DD4BF),
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500: Color(0xFF06B6D4),
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600: Color(0xFF0891B2),
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700: Color(0xFF0E7490),
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800: Color(0xFF155E75),
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900: Color(0xFF164E63),
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}),
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),
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];
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ThemeColor getThemeColor(String themeName) {
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return defaultThemes.firstWhere(
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(theme) => theme.name == themeName,
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orElse: () => defaultThemes[0],
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);
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}
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Reference in New Issue
Block a user