// 判斷輸入的字元串是否為數字,不含其它字元
func isPurnInt(string: String) -> Bool {
let scan: Scanner = Scanner(string: string)
var val:Int = 0
return scan.scanInt(&val) && scan.isAtEnd
}
轉載于:https://www.cnblogs.com/PLA-Artillery/p/6023592.html
// 判斷輸入的字元串是否為數字,不含其它字元
func isPurnInt(string: String) -> Bool {
let scan: Scanner = Scanner(string: string)
var val:Int = 0
return scan.scanInt(&val) && scan.isAtEnd
}
轉載于:https://www.cnblogs.com/PLA-Artillery/p/6023592.html