String转数字
var text: String = "111"
var number: Int? = Int(text)let text: String = "111"
var n: Int = (text as NSString).integerValue数字转String
let number: Float = 123.5
var string: String = "\(number)"var number: Float = 123.5
var string = String(number)数字之间互转
var doubleNumber = 1.8
var intNumber = 0
intNumber = Int(doubleNumber)文章来源地址https://www.toymoban.com/news/detail-705627.html
文章来源：https://www.toymoban.com/news/detail-705627.html
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