Go-实现猜数字游戏代码

 

实现猜数字游戏代码

package main

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

func creatRandNum(p *int) {
    // 设置随机种子
    rand.Seed(time.Now().UnixNano())
    var num int
    for {
        num = rand.Intn(10000) //一定是4位数
        if num >= 1000 {
            break
        }
    }
    *p = num
}

func getNum(randSlice []int, randNum int) {
    randSlice[0] = randNum / 1000
    randSlice[1] = randNum % 1000 / 100
    randSlice[2] = randNum % 100 / 10
    randSlice[3] = randNum % 10
}

func onGame(randSlice []int) {
    var keyNum int
    keySlice := make([]int, 4)
    for {
        for {
            fmt.Println("请输入4位数字：")
            fmt.Scan(&keyNum)
            if keyNum > 999 && keyNum < 10000 {
                break
            }
            fmt.Println("请输入正确的4位数字！")
        }
        fmt.Println("keyNum=", keyNum)
        getNum(keySlice, keyNum)
        fmt.Println("keySlice=", keySlice)
        n := 0
        for i := 0; i < 4; i++ {
            if keySlice[i] > randSlice[i] {
                fmt.Printf("第%d位大了一点\n", i+1)
            } else if keySlice[i] < randSlice[i] {
                fmt.Printf("第%d位小了一点\n", i+1)
            } else {
                fmt.Printf("第%d位猜对了\n", i+1)
                n++
            }
        }
        if n == 4 {
            fmt.Println("全部才对，猜对数字为", keyNum)
            break
        }
    }
}

func main() {
    var randNum int

    // 产生一个4位的随机数
    creatRandNum(&randNum)
    fmt.Println("randNum=", randNum)

    randSlice := make([]int, 4)
    //获取各位的数字
    getNum(randSlice, randNum)
    fmt.Println("randSlice=", randSlice)

    onGame(randSlice)
}