SDWebImage : NSURLErrorDomain - Code = 406 Overriding request headers in SDWebImage

请求头问题:

解决方案: 重写请求头,自定义一个:

[SDWebImageDownloader.sharedDownloader setValue:@"text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8"
                             forHTTPHeaderField:@"Accept"];

之后在请求加载你的图片用SD