feat:增加菜单栏模块
This commit is contained in:
244
lib/utils/http_util.dart
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244
lib/utils/http_util.dart
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@@ -0,0 +1,244 @@
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import 'package:blog_app/config/app_config.dart';
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import 'package:blog_app/utils/sp_util.dart';
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import 'package:dio/dio.dart';
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import 'log_util.dart';
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class HttpUtil {
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static final HttpUtil _instance = HttpUtil._internal();
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factory HttpUtil() => _instance;
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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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// 超时时间
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final int timeout = 5;
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HttpUtil._internal() {
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// 初始化Dio实例
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BaseOptions options = BaseOptions(
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baseUrl: AppConfig.baseApiUrl,
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connectTimeout: Duration(seconds: timeout),
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receiveTimeout: 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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}) => _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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}) => _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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}) => _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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}) => _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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// 文件上传
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Future<dynamic> upload(
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String path,
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String filePath, {
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Map<String, dynamic>? queryParameters,
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}) async {
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try {
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FormData formData = FormData.fromMap({
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'file': await MultipartFile.fromFile(filePath),
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});
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Response response = await _dio.post(
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path,
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data: formData,
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queryParameters: queryParameters,
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);
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return response.data;
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} catch (e) {
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_handleError(e);
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rethrow;
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}
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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> && 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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print(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: return '错误请求，请检查参数';
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case 401: return '未授权，请登录';
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case 403: return '禁止访问，权限不足';
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case 404: return '资源不存在';
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case 405: return '方法不允许';
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case 408: return '请求超时';
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case 500: return '服务器内部错误';
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case 502: return '网关错误';
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case 503: return '服务不可用';
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case 504: return '网关超时';
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default: 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_util.dart
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12
lib/utils/log_util.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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61
lib/utils/sp_util.dart
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61
lib/utils/sp_util.dart
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@@ -0,0 +1,61 @@
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import 'package:shared_preferences/shared_preferences.dart';
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class SPUtil {
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static late SharedPreferences _prefs;
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/// 初始化
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static Future<void> init() async {
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_prefs = await SharedPreferences.getInstance();
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}
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/// 存储数据
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static Future<bool> set(String key, dynamic value) {
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if (value is String) return _prefs.setString(key, value);
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if (value is int) return _prefs.setInt(key, value);
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if (value is bool) return _prefs.setBool(key, value);
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if (value is double) return _prefs.setDouble(key, value);
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if (value is List<String>) return _prefs.setStringList(key, value);
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throw ArgumentError('Unsupported value type: ${value.runtimeType}');
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}
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/// 获取数据
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static dynamic get(String key, [dynamic defaultValue]) {
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if (!_prefs.containsKey(key)) return defaultValue;
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return _prefs.get(key) ?? defaultValue;
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}
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/// 获取字符串
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static String getString(String key, [String defaultValue = '']) {
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return _prefs.getString(key) ?? defaultValue;
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}
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/// 获取布尔值
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static bool getBool(String key, [bool defaultValue = false]) {
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return _prefs.getBool(key) ?? defaultValue;
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}
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/// 获取整数
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static int getInt(String key, [int defaultValue = 0]) {
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return _prefs.getInt(key) ?? defaultValue;
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}
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/// 获取浮点数
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static double getDouble(String key, [double defaultValue = 0.0]) {
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return _prefs.getDouble(key) ?? defaultValue;
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}
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/// 获取字符串列表
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static List<String> getStringList(String key, [List<String> defaultValue = const []]) {
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return _prefs.getStringList(key) ?? defaultValue;
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}
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/// 删除数据
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static Future<bool> remove(String key) {
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return _prefs.remove(key);
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}
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/// 清空所有数据
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static Future<bool> clear() {
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return _prefs.clear();
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}
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}
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