UIAlertView' is deprecated: first deprecated in iOS 9.0 - UIAlertView is deprecated. Use UIAlert

UIAlertController * cancleAlertController = [UIAlertController alertControllerWithTitle:nil message:@"你确定退出登录？" preferredStyle:UIAlertControllerStyleAlert];

//    第一种添加方法

[cancleAlertController addAction:[UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleDefault handler:^(UIAlertAction * _Nonnull action) {

NSLog(@"点击取消");

}]];

//    第二种添加方法

UIAlertAction * otherAction = [UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {

NSLog(@"点击确定");

}];

[cancleAlertController addAction:otherAction];

//弹出视图

[self presentViewController:cancleAlertController animated:YES completion:nil];