sdwebimage

- (void)webDataManager:(SDWebDataManager *)dataManager didFinishWithData:(NSData *)aData isCache:(BOOL)isCache
{
	UIImage *img=[UIImage imageWithData:aData];
    
    if(aData.length == 79107 || aData.length == 78588 || aData.length == 78762 || aData.length == 7854)
    {
//        NSLog(@"------------default_big_pic------------");
        self.image = PNGImage(@"default_big_pic");
        return;
    }
    NSLog(@"img size = %@",NSStringFromCGSize(img.size));
    if(img.size.height == img.size.width)
    {
        //正方形图片等比例缩放
        self.contentMode = UIViewContentModeScaleAspectFit;
    }
    else
    {
        //等比例放大
        CGSize size = self.frame.size;
        UIImageView *viewimg = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, size.width, size.height)];
        viewimg.image = img;
        self.image = viewimg.image;
        return;
    }
    
    
    self.image = img;
}

　　

转载于:https://www.cnblogs.com/zcw-ios/articles/5543284.html