Question

我无法将当前周转换为secondviewcontroller。我的代码是这样的：

我的阵列：

var EUW = [("Week 1", "4 matches", "EUW"), ("Week 2", "4 matches", "EUW")]
var NA = [("Week 3" ,"4 matches", "NA"), ("Week 4", "4 matches", "NA")]

我的代码如下：

override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
   var secondscene = segue.destinationViewController as SecondViewController
    if let indexPath = MyTable.indexPathForSelectedRow() {
        let (currentweek,amountofmatches) = EUW[indexPath.row]
        secondscene.match = currentweek
        }

现在这段代码适用于第一部分，这很明显，因为我没有定义任何部分。因此，当我在secondviewcontroller中创建一个标签，说明它收到的那个星期它在第1周第1周的第1周，第2周第2周但在第2部分（NA部分）中说它在第3周第1周点击时说当点击第4周第2周时

但是当我尝试像这样定义第二部分时：

override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
   var secondscene = segue.destinationViewController as SecondViewController
    if let indexPath = MyTable.indexPathForSelectedRow() {
       if indexPath.section == 0 { 
           let (currentweek,amountofmatches) = EUW[indexPath.row]
          } else { let (currentweek,amountofmatches) = NA[indexPath.row]
          }
        secondscene.match = currentweek
        }

然后它说当前周是一个未解析的标识符，它不构建代码。

Answer 1

看起来范围有问题。在最后一组代码中，您可以在currentweek语句中定义if：

let (currentweek,amountofmatches) = EUW[indexPath.row]

因此，在currentweek语句之外无法访问if变量。要解决此问题，您可以执行以下操作：

   var (currentweek:String,amountofmatches:String);
   if indexPath.section == 0 { 
       (currentweek,amountofmatches) = EUW[indexPath.row]
   } else { 
       (currentweek,amountofmatches) = NA[indexPath.row]
   }
   secondscene.match = currentweek

将tableview中的文本从2个部分转换为第二个视图控制器

1 个答案: