xcode – Swift UIAlertController获取文本字段文本

func inputmsg() {

    var points = ""
    var outOf = ""

    var alertController = UIAlertController(title: "Input View",message: "Please Input Your Grade",preferredStyle: UIAlertControllerStyle.Alert)

    let actionCancle = UIAlertAction(title: "Cancle",style: UIAlertActionStyle.Cancel) { ACTION in

        println("Cacle")
    }
    let actionInput = UIAlertAction(title: "Input",style: UIAlertActionStyle.Default) { ACTION in

        println("Input")
        println(points)
        println(outOf)
    }

    alertController.addAction(actionCanclE)
    alertController.addAction(actionInput)
    alertController.addTextFieldWithConfigurationHandler({(txtField: UITextField!) in
        txtField.placeholder = "I got"
        txtField.keyboardType = UIKeyboardType.numberPad
        points = txtField.text
        })



    alertController.addTextFieldWithConfigurationHandler({(txtField: UITextField!) in
        txtField.placeholder = "Out Of"
        txtField.keyboardType = UIKeyboardType.numberPad
        outOf = txtField.text
    })
    presentViewController(alertController,animated: true,completion: nil)
}