- update

.gitignore

@@ -4,6 +4,6 @@
 .idea
 .vscode
 *.log
-goinit.sh
-gomod.sh
+*_test.go
+go_mod.sh
 /vendor/

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2018 李光春
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

@@ -0,0 +1,17 @@
+<h1>
+<a href="https://www.dtapp.net/">Golang</a>
+</h1>
+
+📦 Golang Random
+
+[comment]: <> (go)
+[![godoc](https://pkg.go.dev/badge/go.dtapp.net/gorandom?status.svg)](https://pkg.go.dev/go.dtapp.net/gorandom)
+[![goproxy.cn](https://goproxy.cn/stats/go.dtapp.net/gorandom/badges/download-count.svg)](https://goproxy.cn/stats/go.dtapp.net/gorandom)
+[![goreportcard.com](https://goreportcard.com/badge/go.dtapp.net/gorandom)](https://goreportcard.com/report/go.dtapp.net/gorandom)
+[![deps.dev](https://img.shields.io/badge/deps-go-red.svg)](https://deps.dev/go/go.dtapp.net%2Fgorandom)
+
+#### 安装
+
+```go
+go get -v -u go.dtapp.net/gorandom@v1.0.3
+```

go.mod

@@ -1,3 +1,3 @@
 module go.dtapp.net/gorandom
 
-go 1.18
+go 1.22

gorandom.go

@@ -1,7 +1,7 @@
 package gorandom
 
 import (
-	"math/rand"
+	"math/rand/v2"
 	"time"
 )
 
@@ -15,7 +15,11 @@ func random[T int | int64](n T, chars string) string {
 	if n <= 0 {
 		return ""
 	}
-	r := rand.New(rand.NewSource(time.Now().UnixNano()))
+
+	// 随机数生成器，加入时间戳保证每次生成的随机数不一样
+	seed := time.Now().UnixNano()                          // rand内部运算的随机数
+	r := rand.New(rand.NewPCG(uint64(seed), uint64(seed))) // rand计算得到的随机数
+
 	bytes := make([]byte, n, n)
 	l := len(chars)
 	var i T = 0
@@ -23,7 +27,7 @@ func random[T int | int64](n T, chars string) string {
 		if i >= n {
 			break
 		}
-		bytes[i] = chars[r.Intn(l)]
+		bytes[i] = chars[r.IntN(l)]
 		i++
 	}
 	return string(bytes)
@@ -48,3 +52,19 @@ func Numeric[T int | int64](n T) string {
 func Ascii[T int | int64](n T) string {
 	return random(n, ascii)
 }
+
+func Range(min int64, max int64) int64 {
+
+	var number int64
+	for {
+		// 生成在范围 [min, max) 内的随机数
+		number = int64(rand.IntN(int(max)-int(min)) + int(min))
+
+		// 检查随机数是否大于 min 且小于 max
+		if number > min && number < max {
+			break
+		}
+	}
+
+	return number
+}

version.go

@@ -1,3 +1,3 @@
 package gorandom
 
-const Version = "1.0.0"
+const Version = "1.0.3"