阿权的书房

-(void)imagePickerController:(UIImagePickerController *)picker didFinishPickingMediaWithInfo:(NSDictionary *)info  
{  
    NSString *type = [info objectForKey:UIImagePickerControllerMediaType];  
    if ([type isEqualToString:@"public.image"]) {  
        UIImage* image=[info objectForKey:UIImagePickerControllerOriginalImage];  
        UIImageOrientation imageOrientation=image.imageOrientation;  
        if(imageOrientation!=UIImageOrientationUp)  
        {  
            // 原始图片可以根据照相时的角度来显示，但UIImage无法判定，于是出现获取的图片会向左转９０度的现象。  
            // 以下为调整图片角度的部分  
            UIGraphicsBeginImageContext(image.size);  
            [image drawInRect:CGRectMake(0, 0, image.size.width, image.size.height)];  
            image = UIGraphicsGetImageFromCurrentImageContext();  
            UIGraphicsEndImageContext();  
            // 调整图片角度完毕  
        }  
        [picker dismissViewControllerAnimated:YES completion:nil];  
    }  
}