ActionSheet:

UIActionSheet *sheet = [[UIActionSheet alloc] initWithTitle:@"确定要注销?" delegate:self cancelButtonTitle:@"取消" destructiveButtonTitle:@"确定" otherButtonTitles:nil, nil];

 [sheet showInView:self.view];

alertView    

    UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"数据展示" message:nil delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"确定", nil];

    // 设置对话框的类型

    alert.alertViewStyle = UIAlertViewStylePlainTextInput;

    // 取得唯一的那个文本框,显示英雄的名称

    [alert textFieldAtIndex:0].text = hero.name;

     [alert show];