feat(Go-Tool)： ArrayList添加深度复制方法以及单测类、添加Rand随机获取参数方法、RandByWeight根据权重随机获取奖励方法

test/rand/Rand_test.go

@@ -0,0 +1,25 @@
+/*
+ *  @Author : huangzj
+ *  @Time : 2020/6/29 17:15
+ *  @Description：
+ */
+
+package rand
+
+import (
+	"Go-Tool/util/rand"
+	"fmt"
+	"strconv"
+	"testing"
+)
+
+func TestRand(t *testing.T) {
+	fmt.Printf(strconv.Itoa(rand.GetRandInt(100, 2000)))
+	for _, r := range rand.GetRandIntNoRepeat(10, 100, 200) {
+		fmt.Printf(strconv.Itoa(r))
+	}
+
+	for _, r := range rand.GetDiffNum([]int{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}, 10) {
+		fmt.Printf(strconv.Itoa(r))
+	}
+}