switch.jpeg
判斷區(qū)間
switch credit {
case 0...30:
self.creditLab.text = "(credit)分，信用值較差"
case 30...70:
self.creditLab.text = "(credit)分撮慨，信用值一般"
case 70...90:
self.creditLab.text = "(credit)分竿痰，信用值較好"
default:
self.creditLab.text = "\(credit)分，信用值超好"
}
