【iOS】UIAlertController

    UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"提示"
                                                                   message:@"确定要删除？"
                                                            preferredStyle:UIAlertControllerStyleAlert];

    [alert addAction:[UIAlertAction actionWithTitle:@"取消"
                                              style:UIAlertActionStyleCancel
                                            handler:^(UIAlertAction *action){NSLog(@"点击了取消按钮");}]];
    [alert addAction:[UIAlertAction actionWithTitle:@"确定"
                                              style:UIAlertActionStyleDefault
                                            handler:^(UIAlertAction *action){NSLog(@"点击了确定按钮");}]];
    [self presentViewController:alert animated:YES completion:nil];

效果图如下：