UI对话框

对话框

• 方法一

    UIAlertView *alertView = [[UIAlertView alloc] initWithTitle:@"111" message:@"2222" delegate:self cancelButtonTitle:@"取消" otherButtonTitles:@"好的", nil];
  
    [alertView show];
  

  

</br>

• 方法二

 // 创建弹框控制器
    UIAlertController *alert = [UIAlertController alertControllerWithTitle:@"请输入团购信息" message:nil preferredStyle:UIAlertControllerStyleAlert];

        [alert addAction:[UIAlertAction actionWithTitle:@"取消" style:UIAlertActionStyleDefault handler:^(UIAlertAction *action) {
        NSLog(@"点击了不知道按钮");
    }]];

    [alert addAction:[UIAlertAction actionWithTitle:@"确定" style:UIAlertActionStyleDestructive handler:^(UIAlertAction *action) {
        NSLog(@"点击了不知道2按钮");
    }]];

      // 显示控制器
    [self presentViewController:alert animated:YES completion:nil];

• 当preferredStyle = UIAlertControllerStyleAlert 时 </br>

</br>

• 当preferredStyle = UIAlertControllerStyleActionSheet 时 </br>

• 输入文本框时

   [alert addTextFieldWithConfigurationHandler:^(UITextField *textField) {
       textField.placeholder = @"请输入团购价格";
   }];