UIImageView* headerImVC = [[UIImageView alloc]initWithFrame:CGRectMake(0, 0, 82, 82)];
headerImVC.image = [UIImage imageNamed:@"head.png"];
headerImVC.userInteractionEnabled = YES;//默认为NO，需要改为YES，否则会触发不了手势
UITapGestureRecognizer* tap = [[UITapGestureRecognizer alloc]initWithTarget:self action:@selector(didiHeadImVC)];
tap.numberOfTapsRequired = 1;
[headerImVC addGestureRecognizer:tap];
[view addSubview:headerImVC];
