圖片下載到相機中

- (void)downloadAction:(UIButton*)sender{

    [[SDWebImageManagersharedManager]downloadImageWithURL:[NSURLURLWithString:self.model.url]options:0progress:^(NSIntegerreceivedSize, NSInteger expectedSize) {
        NSLog(@"處理下載進度");
    } completed:^(UIImage*image, NSError *error, SDImageCacheType cacheType,BOOL finished, NSURL *imageURL) {
        if (error) {
            NSLog(@"%@",error);
        }
        if (image) {

//將圖片寫入相冊中
            UIImageWriteToSavedPhotosAlbum(image,self,@selector(imageSavedToPhotosAlbum:didFinishSavingWithError:contextInfo:),nil);
            NSLog(@"圖片操作");
        }
    }];

}



- (void)imageSavedToPhotosAlbum:(UIImage*)image didFinishSavingWithError:(NSError*)error contextInfo:(void*)contextInfo
{
    NSString *message = @"呵呵";
    if (!error) {
        message = @"成功保存到相冊";
    }else
    {
        message = [error description];
    }
    NSLog(@"message is %@",message);
}