lib/common/request/token_interceptor.dart

import 'package:dio/dio.dart';
class TokenInterceptor extends Interceptor {
  @override
  void onRequest(RequestOptions options, RequestInterceptorHandler handler) {
    /// todo 判断token不为空插入
    options.headers["Auth-token"] = '';
    options.headers["version"] = '1.0.0';
    super.onRequest(options, handler);
  }
}