随机数
- arc4random
let temp = Int(arc4random()%100)+1
print(temp)
- arc4random_uniform
let temp1 = Int(arc4random_uniform(100))+1
print(temp1)
随机数
let temp = Int(arc4random()%100)+1
print(temp)
let temp1 = Int(arc4random_uniform(100))+1
print(temp1)
