iOS 上传音频文件

/*
 * amrData 音频文件
 * dict         你要是不用当然可以不传啦...看项目
 */
+ (void)uploadAudioWithAudio:(NSData *)amrData
                  withParams:(NSMutableDictionary *)dict
             successCallback:(void(^)(NSDictionary *))success
            withFailCallback:(void(^)(NSError *))fail;

+ (void)uploadAudioWithAudio:(NSData *)amrData
                  withParams:(NSMutableDictionary *)dict
             successCallback:(void(^)(NSDictionary *))success
            withFailCallback:(void(^)(NSError *))fail
{
    AFHTTPSessionManager * manager = [AFHTTPSessionManager manager];
    manager.responseSerializer = [AFJSONResponseSerializer serializer];
    [manager POST:[NSString stringWithFormat:@"%@/webupload/wenda",kWebURLDefine] parameters:nil constructingBodyWithBlock:^(id  _Nonnull formData) {
//123.amr 约定啊    
        [formData appendPartWithFileData:amrData name:@"file" fileName:@"123.amr" mimeType:@"audio/mpeg"];
    } progress:^(NSProgress * _Nonnull uploadProgress) {
        
    } success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
        NSDictionary *dict = (NSDictionary *)responseObject;
        success(dict);
    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
        [manager.operationQueue cancelAllOperations];
        fail(error);
    }];
}