1隐藏导航栏
- (void)viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
[self.navigationController setNavigationBarHidden:YES animated:YES];
}
2添加头部的view的view及约束
设置图片模式 防止拉伸变形
[_imagView setContentMode:UIViewContentModeScaleAspectFill];
1隐藏导航栏
- (void)viewWillAppear:(BOOL)animated {
[super viewWillAppear:animated];
[self.navigationController setNavigationBarHidden:YES animated:YES];
}
2添加头部的view的view及约束
设置图片模式 防止拉伸变形
[_imagView setContentMode:UIViewContentModeScaleAspectFill];