1. 导航栏返回监听 - 自定义导航栏按钮图片 -- Swift
let leftBarBtn = UIBarButtonItem(title: "", style: .plain, target: self,action: #selector(backToPrevious))
leftBarBtn.image = UIImage(named: "arrow--return")
self.navigationItem.leftBarButtonItem = leftBarBtn;
//返回按钮
func backToPrevious(){
self.navigationController?.popViewController(animated: true);
}










网友评论