141 lines
3.7 KiB
Dart
141 lines
3.7 KiB
Dart
/// 应用异常基类
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abstract class AppException implements Exception {
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final String message;
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final String? code;
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final dynamic details;
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const AppException(this.message, {this.code, this.details});
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@override
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String toString() => 'AppException: $message';
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}
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/// 网络异常
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class NetworkException extends AppException {
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const NetworkException(super.message, {super.code, super.details});
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@override
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String toString() => 'NetworkException: $message';
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}
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/// 认证异常
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class AuthException extends AppException {
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const AuthException(super.message, {super.code, super.details});
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@override
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String toString() => 'AuthException: $message';
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}
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/// 验证异常
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class ValidationException extends AppException {
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const ValidationException(super.message, {super.code, super.details});
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@override
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String toString() => 'ValidationException: $message';
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}
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/// 服务器异常
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class ServerException extends AppException {
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const ServerException(super.message, {super.code, super.details});
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@override
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String toString() => 'ServerException: $message';
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}
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/// 缓存异常
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class CacheException extends AppException {
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const CacheException(super.message, {super.code, super.details});
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@override
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String toString() => 'CacheException: $message';
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}
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/// 文件异常
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class FileException extends AppException {
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const FileException(super.message, {super.code, super.details});
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@override
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String toString() => 'FileException: $message';
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}
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/// 权限异常
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class PermissionException extends AppException {
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const PermissionException(super.message, {super.code, super.details});
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@override
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String toString() => 'PermissionException: $message';
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}
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/// 业务逻辑异常
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class BusinessException extends AppException {
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const BusinessException(super.message, {super.code, super.details});
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@override
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String toString() => 'BusinessException: $message';
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}
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/// 超时异常
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class TimeoutException extends AppException {
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const TimeoutException(super.message, {super.code, super.details});
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@override
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String toString() => 'TimeoutException: $message';
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}
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/// 数据解析异常
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class ParseException extends AppException {
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const ParseException(super.message, {super.code, super.details});
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@override
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String toString() => 'ParseException: $message';
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}
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/// 通用应用异常
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class GeneralAppException extends AppException {
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const GeneralAppException(super.message, {super.code, super.details});
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@override
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String toString() => 'GeneralAppException: $message';
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}
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/// 异常处理工具类
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class ExceptionHandler {
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/// 处理异常并返回用户友好的错误信息
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static String getErrorMessage(dynamic error) {
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if (error is AppException) {
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return error.message;
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} else if (error is Exception) {
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return '发生了未知错误，请稍后重试';
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} else {
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return '系统错误，请联系客服';
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}
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}
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/// 记录异常
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static void logException(dynamic error, {StackTrace? stackTrace}) {
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// 这里可以集成日志记录服务，如Firebase Crashlytics
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print('Exception: $error');
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if (stackTrace != null) {
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print('StackTrace: $stackTrace');
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}
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}
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/// 判断是否为网络相关异常
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static bool isNetworkError(dynamic error) {
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return error is NetworkException ||
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error is TimeoutException ||
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(error is AppException && error.code?.contains('network') == true);
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}
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/// 判断是否为认证相关异常
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static bool isAuthError(dynamic error) {
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return error is AuthException ||
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(error is AppException && error.code?.contains('auth') == true);
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}
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/// 判断是否为验证相关异常
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static bool isValidationError(dynamic error) {
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return error is ValidationException ||
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(error is AppException && error.code?.contains('validation') == true);
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}
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} |