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七牛库和很多其他的库都有crypto的冲突，类似lottie, auto_router等等，应该尽快升级库
Because auto_route_generator >=1.0.2 depends on build ^2.0.0 which depends on crypto ^3.0.0, auto_route_generator >=1.0.2 requires crypto ^3.0.0.
And because every version of qiniu_sdk_base depends on crypto ^2.1.5, auto_route_generator >=1.0.2 is incompatible with qiniu_sdk_base.
And because qiniu_flutter_sdk 0.2.0 depends on qiniu_sdk_base ^0.2.0 and no versions of qiniu_flutter_sdk match >0.2.0 <0.3.0, auto_route_generator >=1.0.2 is incompatible with qiniu_flutter_sdk ^0.2.0.
So, because ahlan_shop depends on both qiniu_flutter_sdk ^0.2.0 and auto_route_generator ^1.0.2, version solving failed.
pub get failed (1; So, because ahlan_shop depends on both qiniu_flutter_sdk ^0.2.0 and auto_route_generator ^1.0.2, version solving failed.)

上传到东南亚地域，会报如下错，也没有提供可以指定地域的方法
lutter: StorageError [StorageErrorType.RESPONSE, 400]: {error: incorrect region, please use up-as0.qiniup.com, bucket is: english-word1}

目前 flutter sdk 是否提供了文件的删除方法?

提示 StorageError [StorageErrorType.RESPONSE, 400]: {error: invalid multipart format: request Content-Type isn't multipart/form-data}

设置强制表单上传 forceBySingle：true 时可以上传

比如一个图，图片地址是www.xxx.png
能否直接upload('www.xxx.png')?
或者作为一个future？

如果上传的文件已存在，如何覆盖文件

存在需要多次上传覆盖的场景，如果每次都是用新的key，将是一种资源浪费

根据官网API文档
https://developer.qiniu.com/kodo/1312/upload

表单上传里的key在服务端不是必填字段

但这里即使resource.name == null，dio也会默认填充空字符串
https://github.com/cfug/dio/blob/adc6842d6664d427bb06bc44aa870340bd127ef4/dio/lib/src/form_data.dart#L29

需要加上if (resource.name != null) 'key': resource.name

请把 UUID 包升级到最新版本，谢谢

我的DIO版本号是： dio: ^5.2.1+1
sdk是：0.5.0
上传图片提示这个错，但是不影响上传。

[🔔 Dio] _MultiStream<List<int>> cannot be used to imply a default content-type, please set a proper content-type in the request. #0 ImplyContentTypeInterceptor.onRequest (package:dio/src/interceptors/imply_content_type.dart:45:36) #1 DioMixin.fetch.requestInterceptorWrapper.<anonymous closure>.<anonymous closure> (package:dio/src/dio_mixin.dart:385:26) #2 new Future.<anonymous closure> (dart:async/future.dart:256:37) #3 Timer._createTimer.<anonymous closure> (dart:async-patch/timer_patch.dart:18:15) #4 _Timer._runTimers (dart:isolate-patch/timer_impl.dart:398:19) #5 _Timer._handleMessage (dart:isolate-patch/timer_impl.dart:429:5) #6 _RawReceivePort._handleMessage (dart:isolate-patch/isolate_patch.dart:189:12) [🔔 Dio] _MultiStream<List<int>> cannot be used to imply a default content-type, please set a proper content-type in the request. #0 ImplyContentTypeInterceptor.onRequest (package:dio/src/interceptors/imply_content_type.dart:45:36) #1 DioMixin.fetch.requestInterceptorWrapper.<anonymous closure>.<anonymous closure> (package:dio/src/dio_mixin.dart:385:26) #2 new Future.<anonymous closure> (dart:async/future.dart:256:37) #3 Timer._createTimer.<anonymous closure> (dart:async-patch/timer_patch.dart:18:15) #4 _Timer._runTimers (dart:isolate-patch/timer_impl.dart:398:19) #5 _Timer._handleMessage (dart:isolate-patch/timer_impl.dart:429:5) #6 _RawReceivePort._handleMessage (dart:isolate-patch/isolate_patch.dart:189:12)

应该是 qiniu_flutter_sdk

SDK内未包含token生成代码，然后就对照该 上传凭证 文档撸了一个token生成的代码. 如下:

出现问题:

• 401 {error: bad token}
• 403 {“error”:”key doesn’t match with scope”}

import 'dart:convert';
import 'dart:io';
import 'package:crypto/crypto.dart';
import 'package:path/path.dart';
import 'package:qiniu_flutter_sdk/qiniu_flutter_sdk.dart';

const returnBody ="{\"name\":\$(fname),\"size\":\$(fsize),\"w\":\$(imageInfo.width),\"h\":\$(imageInfo.height),\"hash\":\$(etag)}";
class Qiniu {
  final String _appid;
  final String _secret;
  final String _bucket;
  final Storage _storage = Storage();

  Qiniu(this._appid, this._secret, this._bucket);

  String _signal(fileName) {
    var deadline = DateTime.now().add(Duration(hours: 1));
    var unixTs = deadline.toUtc().millisecondsSinceEpoch / 1000;
    var putPolicy = jsonEncode({
      "scope": "$_bucket:$fileName",
      "deadline": unixTs.toInt(),
      "returnBody": returnBody
    });
    var b64 = base64Encode(utf8.encode(putPolicy));
    var hmacSha1 = Hmac(sha1, utf8.encode(this._secret));
    var d = hmacSha1.convert(utf8.encode(b64));
    var sig = base64Encode(d.bytes);
    return "$_appid:$sig:$b64";
  }

  Future<void> upload(File file, Function callback) async {
    var fn = basename(file.path);
    var token = _signal(fn);
    _storage.putFile(file, token,options: PutOptions(key: "$_bucket:$fn")).then((resp) {
      if (null != callback) {
        Function.apply(callback, [callback]);
      }
    }).catchError((e, s) {
      print(e);
    });
  }
}

找到了，，应该用这个版本。
qiniu_sdk_base 0.3.1

上传图片后返回的是一个key和hash，那么这种情况如何通过这个访问地址+参数的形式去获取图片的缩略图呢？
如何获取上传图片的缩略图。

_MultiStream<List> cannot be used to imply a default content-type, please set a proper content-type in the request.

Just want merge this PR #54

请问这是什么原因？

需要配置敏感数据，不然跳过了大多数测试导致覆盖率下降

目前的sdk 要求的参数File 不是html.File，无法直接在web中使用。
另外我想在网页中上传图片，用了Flutter官方提供的image_picker_for_web 图片选择插件，不过这个插件所返回的图片对象是没有本地文件地址的，所以无法提供File对象，这样就无法在客户端直传七牛云了，请问七牛能考虑这样的应用场景，提供web版的sdk吗？