初始化

lib/core/config/global.dart

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+class Config {
+  ///获取环境
+  static String getEnv() {
+    const env = String.fromEnvironment('ENV', defaultValue: 'dev');
+    return env;
+  }
+
+  ///获取接口地址
+  static String baseUrl() {
+    if (getEnv() == 'dev') {
+      return 'https://mindapp.test.tuzuu.com/api';
+    } else {
+      return 'https://mindapp.cells.org.cn/api';
+    }
+  }
+}

lib/core/event/event_bus.dart

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+import 'dart:async';
+
+import 'global_event.dart';
+
+/// 全局事件总线
+class EventBus {
+  EventBus._();
+
+  static final _instance = EventBus._();
+
+  factory EventBus() => _instance;
+
+  // StreamController，广播模式可以让多个地方监听
+  final StreamController<GlobalEvent> _controller = StreamController.broadcast();
+
+  /// 发送事件
+  void publish(GlobalEvent event) {
+    _controller.add(event);
+  }
+
+  /// 监听事件
+  Stream<GlobalEvent> get stream => _controller.stream;
+
+
+
+  /// 关闭流（一般应用生命周期结束时调用）
+  void dispose() {
+    _controller.close();
+  }
+}

lib/core/event/global_event.dart

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+import 'package:app/data/models/common/version_dto.dart';
+
+///基类
+abstract class GlobalEvent {
+  const GlobalEvent();
+}
+
+
+///重新登录
+class UnauthorizedEvent extends GlobalEvent {}
+
+///版本更新
+class VersionUpdateEvent extends GlobalEvent {
+  final VersionDto version;
+  const VersionUpdateEvent(this.version);
+}

lib/core/network/interceptor.dart

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+import 'package:app/data/models/api_dto.dart';
+import 'package:app/data/repository/auto_repo.dart';
+import 'package:dio/dio.dart';
+import 'package:flutter_easyloading/flutter_easyloading.dart';
+
+import '../event/event_bus.dart';
+import '../event/global_event.dart';
+
+///请求拦截器
+void onRequest(RequestOptions options, RequestInterceptorHandler handler) async {
+  String? token = await AuthRepo.getToken();
+  options.headers['Authorization'] = 'Bearer $token';
+  return handler.next(options);
+}
+
+///响应拦截器
+void onResponse(Response<dynamic> response, ResponseInterceptorHandler handler) async {
+  var apiResponse = ApiDto.fromJson(response.data);
+  if (apiResponse.code == 1) {
+    response.data = apiResponse.data;
+    handler.next(response);
+  } else if (apiResponse.code == 401) {
+    final bus = EventBus();
+    bus.publish(UnauthorizedEvent());
+    handler.next(response);
+  } else {
+    handler.reject(
+      DioException(
+        requestOptions: response.requestOptions,
+        response: response,
+        error: {'code': apiResponse.code, 'message': apiResponse.message},
+      ),
+    );
+    showError(apiResponse.message);
+  }
+}
+
+///错误响应
+void onError(DioException e, ErrorInterceptorHandler handler) async {
+  var title = "";
+  if (e.type == DioExceptionType.connectionTimeout) {
+    title = "请求超时";
+  } else if (e.type == DioExceptionType.badResponse) {
+    if (e.response?.statusCode == 401) {
+      final bus = EventBus();
+      bus.publish(UnauthorizedEvent());
+      title = "登录信息已失效，请重新登录";
+    } else if (e.response?.statusCode == 404) {
+      title = "接口404不存在";
+    } else {
+      title = "500";
+    }
+  } else if (e.type == DioExceptionType.connectionError) {
+    title = "网络连接失败";
+  } else {
+    title = "异常其他错误";
+  }
+  showError(title);
+  handler.next(e);
+}
+
+///显示错误信息
+void showError(String message) {
+  EasyLoading.showError(message);
+}

lib/core/network/request.dart

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+import 'package:dio/dio.dart';
+
+import '../config/global.dart';
+import 'interceptor.dart';
+
+class Request {
+  static Dio _dio = Dio();
+
+  //返回单例
+  factory Request() {
+    return Request._instance();
+  }
+
+  //初始化
+  Request._instance() {
+    //创建基本配置
+    final BaseOptions options = BaseOptions(
+      baseUrl: Config.baseUrl(),
+      connectTimeout: const Duration(seconds: 10),
+      receiveTimeout: const Duration(seconds: 10),
+    );
+
+    _dio = Dio(options);
+
+    _dio.interceptors.add(InterceptorsWrapper(
+      onRequest: onRequest,
+      onResponse: onResponse,
+      onError: onError,
+    ));
+  }
+
+  ///get请求
+  Future<T> get<T>(String path, [Map<String, dynamic>? params]) async {
+    var res = await _dio.get(path, queryParameters: params);
+    return res.data;
+  }
+
+  ///post请求
+  Future<T> post<T>(String path, Object? data) async {
+    var res = await _dio.post(path, data: data);
+    return res.data;
+  }
+}

lib/core/theme/base/app_colors_base.dart

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+import 'dart:ui';
+
+abstract class AppColorsBase {
+  /// 品牌主色
+  Color get primaryStart;
+
+  Color get primaryEnd;
+
+  // 灰度
+  Color get textPrimary;
+
+  Color get textSecondary;
+
+  Color get textTertiary;
+
+  // 状态颜色
+  Color get success;
+
+  Color get warning;
+
+  Color get info;
+
+  Color get danger;
+
+
+  // 容器色
+  Color get surfaceContainerLowest;
+
+  Color get surfaceContainerLow;
+
+  Color get surfaceContainer;
+
+  Color get surfaceContainerHigh; //白色卡片 / item
+
+  //阴影颜色
+  Color get shadow;
+}

lib/core/theme/base/app_text_style.dart

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+import 'package:flutter/material.dart';
+import 'app_colors_base.dart'; // 假设你之前定义了 AppColorsBase
+
+TextTheme buildTextTheme(AppColorsBase colors) {
+  return TextTheme(
+    // 标题层级
+    titleLarge: TextStyle(
+      fontSize: 22, // 比正文大6
+      fontWeight: FontWeight.w700,
+      color: colors.textPrimary,
+    ),
+    titleMedium: TextStyle(
+      fontSize: 20, // 比正文大4
+      fontWeight: FontWeight.w700,
+      color: colors.textPrimary,
+    ),
+    titleSmall: TextStyle(
+      fontSize: 18, // 比正文大2
+      fontWeight: FontWeight.w700,
+      color: colors.textPrimary,
+    ),
+
+    // 正文字体
+    bodyLarge: TextStyle(
+      fontSize: 18, // 稍大正文
+      color: colors.textPrimary,
+    ),
+    bodyMedium: TextStyle(
+      fontSize: 16, // 正文标准
+      color: colors.textPrimary,
+    ),
+    bodySmall: TextStyle(
+      fontSize: 14, // 辅助正文
+      color: colors.textPrimary,
+    ),
+
+    // 标签/提示文字
+    labelLarge: TextStyle(
+      fontSize: 14, // 比正文小一点
+      fontWeight: FontWeight.w500,
+      color: colors.textSecondary,
+    ),
+    labelMedium: TextStyle(
+      fontSize: 12,
+      fontWeight: FontWeight.w500,
+      color: colors.textSecondary,
+    ),
+    labelSmall: TextStyle(
+      fontSize: 11,
+      fontWeight: FontWeight.w400,
+      color: colors.textSecondary,
+    ),
+  );
+}

lib/core/theme/base/app_theme_ext.dart

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+import 'package:flutter/material.dart';
+
+import 'app_colors_base.dart';
+
+@immutable
+class AppThemeExtension extends ThemeExtension<AppThemeExtension> {
+  final AppColorsBase baseTheme;
+
+  const AppThemeExtension({required this.baseTheme});
+
+  @override
+  ThemeExtension<AppThemeExtension> copyWith({
+    AppColorsBase? baseTheme,
+  }) {
+    return AppThemeExtension(
+      baseTheme: baseTheme ?? this.baseTheme,
+    );
+  }
+
+  @override
+  AppThemeExtension lerp(AppThemeExtension? other, double t) {
+    if (other is! AppThemeExtension) return this;
+    return t < 0.5 ? this : other; // 或者 this/base 混合逻辑
+  }
+}
+
+extension AppThemeExt on BuildContext {
+  AppThemeExtension get themeEx => Theme.of(this).extension<AppThemeExtension>()!;
+
+  Gradient get primaryGradient => LinearGradient(
+    begin: Alignment.centerLeft,
+    end: Alignment.centerRight,
+    colors: [themeEx.baseTheme.primaryStart, themeEx.baseTheme.primaryEnd],
+  );
+
+
+  Color get primaryStart => themeEx.baseTheme.primaryStart;
+
+  Color get primaryEnd => themeEx.baseTheme.primaryEnd;
+
+  ///主题
+  Color get success => themeEx.baseTheme.success;
+
+  Color get warning => themeEx.baseTheme.warning;
+
+  Color get danger => themeEx.baseTheme.danger;
+
+  Color get info => themeEx.baseTheme.info;
+
+  //字体灰度
+  Color get textSecondary => themeEx.baseTheme.textSecondary;
+
+  Color get textTertiary => themeEx.baseTheme.textTertiary;
+
+  double get pagePadding => 12;
+}

lib/core/theme/theme.dart

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+import 'package:flutter/material.dart';
+
+import 'base/app_colors_base.dart';
+import 'base/app_text_style.dart';
+import 'base/app_theme_ext.dart';
+
+export 'themes/light_theme.dart';
+export 'base/app_theme_ext.dart';
+
+class AppTheme {
+  static ThemeData createTheme(AppColorsBase themeBase) {
+    final textTheme = buildTextTheme(themeBase);
+    return ThemeData(
+      useMaterial3: true,
+      fontFamily: "资源圆体",
+      scaffoldBackgroundColor: themeBase.surfaceContainerHigh,
+      colorScheme: ColorScheme.fromSeed(
+        primary: themeBase.primaryStart,
+        seedColor: themeBase.primaryStart,
+        brightness: Brightness.light,
+
+        onSurfaceVariant: themeBase.textSecondary,
+        //背景色
+        surfaceContainerHigh: themeBase.surfaceContainerHigh,
+        surfaceContainer: themeBase.surfaceContainer,
+        surfaceContainerLow: themeBase.surfaceContainerLow,
+        surfaceContainerLowest: themeBase.surfaceContainerLowest,
+        //阴影
+        shadow: themeBase.shadow,
+      ),
+      textTheme: textTheme,
+      extensions: [AppThemeExtension(baseTheme: themeBase)],
+      // pageTransitionsTheme: const PageTransitionsTheme(),
+      appBarTheme: AppBarTheme(
+        backgroundColor: Colors.white,
+        titleTextStyle: textTheme.titleMedium,
+        scrolledUnderElevation: 0,
+
+      ),
+    );
+  }
+}

lib/core/theme/themes/light_theme.dart

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+import 'dart:ui';
+
+import 'package:flutter/material.dart';
+
+import '../base/app_colors_base.dart';
+
+class LightTheme extends AppColorsBase {
+  @override
+  Color get primaryStart => const Color(0xff44EAB3);
+
+  @override
+  Color get primaryEnd => const Color(0xff1EDCDA);
+
+  @override
+  Color get textPrimary => const Color(0xff222932);
+
+  @override
+  Color get textSecondary => const Color(0xffA6B0BE);
+
+  @override
+  Color get textTertiary => const Color(0xffC7CDD5);
+
+  @override
+  Color get success => const Color(0xff00D4B5);
+
+  @override
+  Color get warning => const Color(0xffFF9200);
+
+  @override
+  Color get info => const Color(0xffededed);
+
+  @override
+  Color get danger => const Color(0xffFF4900);
+
+  @override
+  Color get surfaceContainerLowest => Color(0xffE0E0E0);
+
+  @override
+  Color get surfaceContainerLow => Color(0xffF0F0F0);
+
+  @override
+  Color get surfaceContainer =>  Color(0xFFF2F5FA);
+
+  @override
+  Color get surfaceContainerHigh => Color(0xffFFFFFF);
+
+  @override
+  Color get shadow => const Color.fromRGBO(0, 0, 0, 0.1);
+}

lib/core/utils/format/time.dart

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+/// 格式化时间
+String formatDate(dynamic date, [String format = 'YYYY-MM-DD hh:mm:ss']) {
+  DateTime dateTime;
+
+  if (date is String) {
+    // 如果是字符串类型，尝试将其解析为 DateTime
+    dateTime = DateTime.tryParse(date) ?? DateTime.now();
+  } else if (date is DateTime) {
+    // 如果是 DateTime 类型，直接使用
+    dateTime = date;
+  } else {
+    // 如果不是合法的输入类型，默认使用当前时间
+    dateTime = DateTime.now();
+  }
+
+  final yyyy = dateTime.year.toString();
+  final MM = (dateTime.month).toString().padLeft(2, '0');
+  final dd = (dateTime.day).toString().padLeft(2, '0');
+  final HH = (dateTime.hour).toString().padLeft(2, '0');
+  final mm = (dateTime.minute).toString().padLeft(2, '0');
+  final ss = (dateTime.second).toString().padLeft(2, '0');
+
+  String result = format
+      .replaceFirst(RegExp('YYYY'), '$yyyy')
+      .replaceFirst(RegExp('MM'), MM)
+      .replaceFirst(RegExp('DD'), dd)
+      .replaceFirst(RegExp('hh'), HH)
+      .replaceFirst(RegExp('mm'), mm)
+      .replaceFirst(RegExp('ss'), ss);
+
+  return result;
+}

lib/core/utils/storage.dart

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+import 'dart:convert';
+
+import 'package:shared_preferences/shared_preferences.dart';
+
+class Storage {
+  /// 存储数据
+  static Future<void> set(String key, dynamic value) async {
+    SharedPreferences sp = await SharedPreferences.getInstance();
+    if (value is String) {
+      sp.setString(key, value);
+    } else if (value is int) {
+      sp.setInt(key, value);
+    } else if (value is bool) {
+      sp.setBool(key, value);
+    } else if (value is double) {
+      sp.setDouble(key, value);
+    } else if (value is Map) {
+      String jsonStr = jsonEncode(value);
+      sp.setString(key, jsonStr);
+    }
+  }
+
+  /// 获取数据
+  /// - [decoder] 解码器，不传默认返回原数据
+  static Future<T?> get<T>(
+      String key, {
+        T Function(dynamic json)? decoder,
+      }) async {
+    final sp = await SharedPreferences.getInstance();
+    final value = sp.get(key);
+
+    //如果不存在
+    if (value == null) return null;
+
+    // 如果需要反序列化
+    if (decoder != null && value is String) {
+      return decoder(jsonDecode(value));
+    }
+
+    return value as T?;
+  }
+
+  //删除数据
+  static Future<void> remove(key) async {
+    SharedPreferences sp = await SharedPreferences.getInstance();
+    sp.remove(key);
+  }
+
+  //判断键是否存在
+  static Future<bool> hasKey(String key) async {
+    SharedPreferences sp = await SharedPreferences.getInstance();
+    return sp.containsKey(key);
+  }
+}

lib/core/utils/system.dart

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+import 'dart:io';
+import 'dart:ui';
+
+import 'package:flutter/services.dart';
+import 'package:flutter_easyloading/flutter_easyloading.dart';
+import 'package:permission_handler/permission_handler.dart';
+
+///判断是否是安卓
+bool isAndroid(){
+  return Platform.isAndroid;
+}
+
+/// 封装通用权限处理方法
+/// - [permissions] 需要检查的权限列表
+/// - [onGranted] 当所有权限都被授予时调用的回调
+/// - [onDenied] 当有权限被拒绝时调用的回调
+/// - [onPermanentlyDenied] 当有权限被永久拒绝时调用的回调（可选，默认打开设置页）
+Future<void> checkAndRequestPermissions({
+  required List<Permission> permissions,
+  required VoidCallback onGranted,
+  VoidCallback? onDenied,
+  VoidCallback? onPermanentlyDenied,
+}) async {
+  // 判断当前权限状态
+  Map<Permission, PermissionStatus> statuses = {};
+  for (final permission in permissions) {
+    statuses[permission] = await permission.status;
+  }
+
+  // 筛选出未授权的权限
+  final needRequest = statuses.entries.where((entry) => !entry.value.isGranted).map((entry) => entry.key).toList();
+  // 如果全部已有权限
+  if (needRequest.isEmpty) {
+    onGranted();
+    return;
+  }
+
+  // 请求未授权的权限
+  final requestResult = await needRequest.request();
+
+  //是否全部授权
+  bool allGranted = true;
+  //是否有任何一个授权了
+  bool anyPermanentlyDenied = false;
+
+  for (final permission in permissions) {
+    final status = requestResult[permission] ?? await permission.status;
+
+    if (status.isPermanentlyDenied) {
+      anyPermanentlyDenied = true;
+      allGranted = false;
+      break;
+    } else if (!status.isGranted) {
+      allGranted = false;
+    }
+  }
+
+  if (allGranted) {
+    onGranted();
+  } else if (anyPermanentlyDenied) {
+    if (onPermanentlyDenied != null) {
+      onPermanentlyDenied();
+    } else {
+      openAppSettings(); // 可选：默认打开设置页
+    }
+  } else {
+    if (onDenied != null) {
+      onDenied();
+    }
+  }
+}
+
+///复制文本到剪切板
+void copyToClipboard(String text) {
+  Clipboard.setData(ClipboardData(text: text));
+  EasyLoading.showToast('已复制到剪切板');
+}

lib/core/utils/transfer/download.dart

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+//下载文件
+import 'dart:io';
+
+import 'package:path_provider/path_provider.dart';
+
+class LocalDownload {
+  static Future<String> getLocalFilePath(String url, String path) async {
+    Uri uri = Uri.parse(url);
+    String fileName = uri.pathSegments.last;
+    //获取下载目录
+    Directory dir = await getApplicationCacheDirectory();
+    Directory uploadPath = Directory("${dir.path}$path/");
+    return uploadPath.path + fileName;
+  }
+
+  /// 公用下载方法
+  /// url 下载网络地址
+  /// path 存储地址，如/test
+  /// onProgress 下载回调函数
+  /// onDone 下载完毕回调
+  static downLoadFile({
+    required url,
+    required path,
+    required Function(double) onProgress,
+    required Function(String) onDone,
+  }) async {
+    HttpClient client = HttpClient();
+    Uri uri = Uri.parse(url);
+    //获取本地文件路径
+    String filePath = await getLocalFilePath(url, path);
+    // 发起 get 请求
+    HttpClientRequest request = await client.getUrl(uri);
+    // 响应
+    HttpClientResponse response = await request.close();
+    int contentLength = response.contentLength; // 获取文件总大小
+    int bytesReceived = 0; // 已接收的字节数
+    List<int> chunkList = [];
+    if (response.statusCode == 200) {
+      response.listen(
+        (List<int> chunk) {
+          chunkList.addAll(chunk);
+          bytesReceived += chunk.length; //更新已接受的字节数
+          //进度
+          double progress = bytesReceived * 100 / contentLength * 100;
+          progress = (progress / 100).truncateToDouble();
+          onProgress(progress);
+        },
+        onDone: () async {
+          //下载完毕
+          client.close();
+          File file = File(filePath);
+          if (!file.existsSync()) {
+            file.createSync(recursive: true);
+            await file.writeAsBytes(chunkList);
+          }
+          onDone(file.path);
+        },
+        onError: () {
+          client.close();
+        },
+        cancelOnError: true,
+      );
+    }
+  }
+
+  ///获取本地地址
+  ///
+  static Future<String> getFilePath({
+    required url,
+    required path,
+  }) async {
+    //获取本地文件路径
+    String filePath = await getLocalFilePath(url, path);
+    File file = File(filePath);
+    if (file.existsSync()) {
+      return file.path;
+    } else {
+      return '';
+    }
+  }
+}

lib/core/utils/transfer/file_type.dart

@@ -0,0 +1,46 @@
+enum FileType {
+  image,
+  pdf,
+  other,
+}
+
+class FileMeta {
+  final String name; // 不含后缀
+  final String extension; // 不含点
+  final FileType type;
+
+  const FileMeta({
+    required this.name,
+    required this.extension,
+    required this.type,
+  });
+}
+
+FileMeta parseFileMeta(String path) {
+  final uri = Uri.parse(path);
+  final fileName = uri.pathSegments.isNotEmpty ? uri.pathSegments.last : '';
+
+  if (!fileName.contains('.')) {
+    return const FileMeta(
+      name: '',
+      extension: '',
+      type: FileType.other,
+    );
+  }
+
+  final index = fileName.lastIndexOf('.');
+  final name = fileName.substring(0, index);
+  final ext = fileName.substring(index + 1).toLowerCase();
+
+  final type = switch (ext) {
+    'jpg' || 'jpeg' || 'png' || 'webp' || 'gif' => FileType.image,
+    'pdf' => FileType.pdf,
+    _ => FileType.other,
+  };
+
+  return FileMeta(
+    name: name,
+    extension: ext,
+    type: type,
+  );
+}

lib/core/utils/transfer/select_file.dart

@@ -0,0 +1,70 @@
+import 'dart:io';
+import 'package:file_picker/file_picker.dart';
+import 'package:flutter_easyloading/flutter_easyloading.dart';
+import 'package:flutter_image_compress/flutter_image_compress.dart';
+import 'package:path_provider/path_provider.dart';
+import 'package:path/path.dart' as p;
+
+/// 选择文件
+/// - [type] 文件类型
+/// - [allowedExtensions] 允许的扩展名
+/// - [maxSize] 最大文件大小
+Future<List<File>> selectFile({
+  required FileType type,
+  List<String>? allowedExtensions,
+  int maxSize = 1024 * 1024 * 20,
+}) async {
+  List<File> files = [];
+  bool hasOversize = false;
+
+  FilePickerResult? result = await FilePicker.platform.pickFiles(
+    type: type,
+    allowedExtensions: allowedExtensions,
+  );
+  // 判断空
+  if (result == null) return [];
+
+  //进行文件大小，压缩、等操作
+  for (final e in result.files) {
+    if (e.size > maxSize) {
+      hasOversize = true;
+      continue;
+    }
+    if (e.path == null) continue;
+
+    if (type == FileType.image) {
+      final compressed = await compressImage(File(e.path!));
+      files.add(compressed);
+    } else {
+      files.add(File(e.path!));
+    }
+  }
+  //提示
+  if (hasOversize) {
+    EasyLoading.showInfo('已过滤超过 20MB 的文件');
+  }
+  return files;
+}
+
+/// 压缩图片
+Future<File> compressImage(File file) async {
+  final dir = await getTemporaryDirectory();
+  final targetPath = p.join(
+    dir.path,
+    '${DateTime.now().millisecondsSinceEpoch}.jpg',
+  );
+
+  final result = await FlutterImageCompress.compressAndGetFile(
+    file.absolute.path,
+    targetPath,
+    quality: 80,
+    format: CompressFormat.jpeg,
+    minWidth: 1080,
+    minHeight: 1080,
+  );
+
+  if (result == null) {
+    throw Exception('Image compression failed');
+  }
+  return File(result.path);
+}

lib/core/utils/transfer/upload.dart

@@ -0,0 +1,59 @@
+import 'dart:io';
+import 'package:app/data/api/common_api.dart';
+import 'package:app/data/models/common/qiu_token_dto.dart';
+import 'package:crypto/crypto.dart';
+import 'package:dio/dio.dart';
+import 'package:flutter_easyloading/flutter_easyloading.dart';
+
+import '../../config/global.dart';
+
+class QinUpload {
+  ///获取七牛token
+  static Future<QiuTokenDto> _getQiuToken(File file, String path) async {
+    // 读取文件的字节数据
+    final fileBytes = await file.readAsBytes();
+    String fileMd5 = md5.convert(fileBytes).toString();
+    //前缀
+    var prefix = Config.getEnv() == "dev" ? "test" : "release";
+    var suffix = file.path.split(".").last;
+
+    var res = await getQiuTokenApi(
+      "shangyiapp/$prefix/$path/$fileMd5.$suffix",
+    );
+    return res;
+  }
+
+  ///上传文件
+  /// - [file] 文件
+  /// - [path] 目标目录,不以/开头和结尾
+  static Future<String?> upload({
+    required File file,
+    required String path,
+
+  }) async {
+    var qiuToken = await _getQiuToken(file, path);
+    //数据
+    FormData formData = FormData.fromMap({
+      "file": await MultipartFile.fromFile(file.path),
+      "token": qiuToken.upToken,
+      "fname": qiuToken.fileKey,
+      "key": qiuToken.fileKey,
+    });
+    try {
+      Dio dio = Dio();
+      Response response = await dio.post(
+        qiuToken.uploadUrl!,
+        data: formData,
+        onSendProgress: (int sent, int total) {
+          // double progress = sent * 100 / total * 100;
+          // progress = (progress / 100).truncateToDouble();
+        },
+      );
+      String key = response.data['key'];
+      return "https://${qiuToken.domain}/$key";
+    } catch (e) {
+      EasyLoading.showError("上传失败");
+      return null;
+    }
+  }
+}