-4
我需要根据数组给出行的标题,但我不知道如何做到这一点。我是iOS新手。如何在Swift 3的PickerView中为行设置标题?
class ViewController: UIViewController , UIPickerViewDelegate, UIPickerViewDataSource{
@IBOutlet weak var pickerView: UIPickerView!
@IBOutlet weak var label: UILabel!
var names: Array<String>?
var department: Array<String>?
override func viewDidLoad() {
super.viewDidLoad()
// Do any additional setup after loading the view, typically from a nib.
names = ["Vineeta", "Shubham" ,"Anand", "Vivek", "Akshay", "Harshit", "Vikas", "Prasoon", "Sunil"]
department = ["iOS","Angular", ".Net", "iOS","iOS", ".Net", "Android","Android", "Angular"]
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
func numberOfComponents(in pickerView: UIPickerView) -> Int {
return 2
}
func pickerView(_ pickerView: UIPickerView, numberOfRowsInComponent component: Int) -> Int {
return 9
}
func pickerView(_ pickerView: UIPickerView, titleForRow row: Int, forComponent component: Int) -> String? {
if component == 0 {
[names o]
}
}
}
你所以看起来你已经尝试过的东西,而且重要的代码部分是空白提供了大量的代码。你只是要求某人为你写代码。 – Abizern
感谢您的反馈@Abizem,下次我会在提出任何问题之前记住这一点。 –