我们可以使用rand对象生成随机数。我们应该为rand对象提供一些种子，以使生成数量不同。如果我们不提供种子，那么编译器将产生相同的结果。
Go随机数生成
package main
import "fmt"
import (
"math/rand"
//"time"
"time"
)
func main() {
fmt.Print(rand.Intn(100)) //将产生 0 到 100 之间的随机整数
fmt.Println()
fmt</span><span class="pun">.</span><span class="typ">Print</span><span class="pun">(</span><span class="pln">rand</span><span class="pun">.</span><span class="typ">Float64</span><span class="pun">())</span><span class="pln"> </span><span class="com">// 将产生0到1之间的随机数</span><span class="pln">
fmt</span><span class="pun">.</span><span class="typ">Println</span><span class="pun">()</span><span class="pln">
rand</span><span class="pun">.</span><span class="typ">Seed</span><span class="pun">(</span><span class="pln">time</span><span class="pun">.</span><span class="typ">Now</span><span class="pun">().</span><span class="typ">Unix</span><span class="pun">())</span><span class="pln"> </span><span class="com">//产生随机数</span><span class="pln">
myrand </span><span class="pun">:=</span><span class="pln"> random</span><span class="pun">(</span><span class="lit">1</span><span class="pun">,</span><span class="pln"> </span><span class="lit">20</span><span class="pun">)</span><span class="pln">
fmt</span><span class="pun">.</span><span class="typ">Println</span><span class="pun">(</span><span class="pln">myrand</span><span class="pun">)</span><span class="pln">
}
func random(min, max int) int {
return rand.Intn(max - min) + min
}
输出:
81 0.9405090880450124 17
