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Golang范围内的随机数

代码示例

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golang范围内的随机数 

rand.Intn(max - min) + min
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在golang中选择1到5之间的随机数 

package main
import (
    "fmt"
    "math/rand"
    "time"    #ADDED
)

func main() {
    // Seed should be set once, better spot is func init()
    rand.Seed(time.Now().UTC().UnixNano())   #ADDED
    fmt.Println(randInt(1, 1000))
}

func randInt(min int, max int) int {
    return min + rand.Intn(max-min)
}

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去生成随机数
golang范围内的随机数

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