package main

import (
    "fmt"
    "math/rand"
    "time"
)

func main() {
    const winners = 101    //内定号码
    const isDefault = true //是否内定 true 是 false 否
    number := [...]int{11, 22, 33, 44, 55, 66, 77, 88, 99, 00, 101}
    total := len(number)
    //将时间戳设置成种子数
    rand.Seed(time.Now().UnixNano())
    //随便展示一下
    for i := total * 3; i >= 0; i-- {
        fmt.Println("抽奖中：", number[rand.Intn(total)])
    }
    if isDefault {
        fmt.Println("中奖者是：", winners)
    } else {
        fmt.Println("中奖者是：", number[rand.Intn(total)])
    }
}