commit 5a29e0a0bc00c36629809b3b62e7cdd711bca2c1
Author: Yun <yun@yun.ink>
Date:   Thu Jan 11 22:19:02 2024 +0800

    提交

diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..359b08d
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module code.yun.ink/pkg/randomx
+
+go 1.19
diff --git a/randomx.go b/randomx.go
new file mode 100644
index 0000000..17c504a
--- /dev/null
+++ b/randomx.go
@@ -0,0 +1,43 @@
+package randomx
+
+import (
+	"errors"
+	"math/rand"
+	"time"
+)
+
+// 生成指定位数的随机字符串
+func RandomStr(length int) (string, error) {
+	if length <= 0 {
+		return "", errors.New("位数必须大于0")
+	}
+	str := "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ黄新云"
+	bytes := []rune(str)
+
+	// 初始化参数，并赋予空间
+	var result = make([]rune, 0, length)
+
+	// 初始化随机因子
+	r := rand.New(rand.NewSource(time.Now().UnixNano()))
+
+	for i := 0; i < length; i++ {
+		result = append(result, bytes[r.Intn(len(bytes))])
+	}
+
+	return string(result), nil
+}
+
+// 生成指定空间的随机数
+func RandomInt(min, max int) (int, error) {
+	c := max - min
+	if c <= 0 {
+		return 0, errors.New("max值需要大于min")
+	}
+
+	// 初始化随机因子
+	r := rand.New(rand.NewSource(time.Now().UnixNano()))
+
+	res := r.Intn(c)
+
+	return min + res, nil
+}
diff --git a/randomx_test.go b/randomx_test.go
new file mode 100644
index 0000000..27925b0
--- /dev/null
+++ b/randomx_test.go
@@ -0,0 +1,31 @@
+package randomx_test
+
+import (
+	"testing"
+
+	"code.yun.ink/pkg/randomx"
+)
+
+func TestRandomInt(t *testing.T) {
+	i, err := randomx.RandomInt(100, 101)
+	if err != nil {
+		t.Fatal(err.Error())
+	}
+	if i >= 100 && i <= 101 {
+		t.Log("正常")
+	} else {
+		t.Fatal("不正常", i)
+	}
+}
+
+func TestRandomStr(t *testing.T) {
+	str, err := randomx.RandomStr(10)
+	if err != nil {
+		t.Fatal(err.Error())
+	}
+	if len(str) == 10 {
+		t.Log("正常")
+	} else {
+		t.Fatal("不正常", str)
+	}
+}