@interface CommunityTableViewCell (){     CGRect oldframe ;}@end//开始touch-(void)touchesBegan:(NSSet
    
      *)touches withEvent:(UIEvent *)event{    UITouch *touch = [touches anyObject];    //如果touch的是图片    if ([touch.view isMemberOfClass:[UIImageView class]]) {        UIImageView *selectView =  (UIImageView *)touch.view;        [self showImage:selectView];    }    }//图片放大-(void)showImage:(UIImageView *)avatarImageView{       UIImage *image=avatarImageView.image;    UIWindow *window=[UIApplication sharedApplication].keyWindow;    UIView *backgroundView=[[UIView alloc]initWithFrame:[UIScreen mainScreen].bounds] ;        oldframe=[avatarImageView convertRect:avatarImageView.bounds toView:window];        backgroundView.backgroundColor=[UIColor blackColor];    backgroundView.alpha=0;        UIImageView *imageView=[[UIImageView alloc]initWithFrame:oldframe];    imageView.image=image;    imageView.tag=1;        [backgroundView addSubview:imageView];    [window addSubview:backgroundView];        UITapGestureRecognizer *tap=[[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(hideImage:)];    [backgroundView addGestureRecognizer: tap];        [UIView animateWithDuration:0.3 animations:^{        imageView.frame=CGRectMake(0,(YiChe_Size.size.height-image.size.height*YiChe_Size.size.width/image.size.width)/2,YiChe_Size.size.width, image.size.height*YiChe_Size.size.width/image.size.width);        backgroundView.alpha=1;    } completion:^(BOOL finished) {            }];}//再次点击隐藏图片-(void)hideImage:(UITapGestureRecognizer*)tap{    UIView *backgroundView=tap.view;    UIImageView *imageView=(UIImageView*)[tap.view viewWithTag:1];    [UIView animateWithDuration:0.3 animations:^{        imageView.frame=oldframe;        backgroundView.alpha=0;    } completion:^(BOOL finished) {        [backgroundView removeFromSuperview];    }];}