feat(Go-Tool)：2021/06/16 新增一个数拆分成N个数且N个数相加和等于这个数工具、测试方法

util/splitNumToN/SpliNumTo3.go

@@ -0,0 +1,44 @@
+/*
+ *  @Author : huangZJ
+ *  @Time : 2021/6/16 10:50
+ *  @Description：
+ */
+
+package splitNumToN
+
+import (
+	"Go-Tool/util/rand"
+	"fmt"
+)
+
+//将一个数拆解成三个
+func SplitNumTo3(num int) {
+	randNumList := make([]int, 0)
+	var count int
+	for i := 0; i < 2; i++ {
+		randNum := getRandValue(num-count, 3-1-i)
+		randNumList = append(randNumList, randNum)
+		count = count + randNum
+	}
+
+	randNumList = append(randNumList, num-count)
+
+	for _, num := range randNumList {
+		fmt.Print(fmt.Sprintf("%d ", num))
+	}
+}
+
+//num 被随机的数
+//count count + 1 = 总随机数数量
+func getRandValue(num int, count int) int {
+	minValue := num - 6*count
+	if minValue <= 0 {
+		minValue = 1
+	}
+	maxValue := num - count*1
+	if maxValue > 6 {
+		maxValue = 6
+	}
+
+	return rand.GetRandInt(minValue, maxValue)
+}