go随机数从区间中取

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package main

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

/*
随机数从区间取数

y = 400 ~ 900

随机数范围: rand.Intn(max - min) + min
*/

func randZone() {
	x, y := rand.Intn(300)+200, rand.Intn(500)+400
	fmt.Println("random x,y: ", x, y)
}

func main() {
	rand.Seed(time.Now().UnixNano())
	for {
		randZone()
		time.Sleep(3e9)
	}
}