我知道這是一個非常基本的問題,如何使用for循環斯威夫特創造int數組3
但我嘗試很多方法,並始終顯示:
"fatal error: Array index out of range"
我想創建一個0〜100 int array
eq VAR integerArray = [0,1,2,3,...,100]
和我試圖
var integerArray = [Int]()
for i in 0 ... 100{
integerArray[i] = i
}
有也出現:致命錯誤:數組索引超出範圍
感謝您的幫助
完整代碼:
class AlertViewController: UIViewController,UIPickerViewDelegate, UIPickerViewDataSource {
@IBOutlet weak var integerPickerView: UIPickerView!
@IBOutlet weak var decimalPickerView: UIPickerView!
var integerArray = [Int]()
var decimalArray = [Int]()
override func viewDidLoad() {
super.viewDidLoad()
giveArrayNumber()
integerPickerView.delegate = self
decimalPickerView.delegate = self
integerPickerView.dataSource = self
decimalPickerView.dataSource = self
}
func giveArrayNumber(){
for i in 0 ... 100{
integerArray[i] = i
}
}
讀[文件](https://developer.apple.com/library/content/documentation/Swift/Conceptual/Swift_Programming_Language/CollectionTypes.html# // apple_ref/doc/uid/TP40014097-CH8-ID107)help:*「您可以通過調用數組的附加(_ :)方法將一個新項添加到數組的末尾:」*和*「您不能使用下標語法將新項目追加到數組的末尾。「* –