類型不同進(jìn)行四則運(yùn)算，需要先轉(zhuǎn)換類型否則會報錯杆烁。
let a:CGFloat = 5.5
let b:Int = 10
let c:Int = 3
let d = Int(a) + b
let e = CGFloat(b) - a
let f = Int(a) * b
let g = b / c
let h = b % c
let i = a / CGFloat(c)
let j = a.truncatingRemainder(dividingBy:CGFloat(c)) //浮點(diǎn)型取余數(shù)
輸出結(jié)果
AE086196-3CD6-4820-B9C3-B04ED2FD7879.png
