- init

.drone.yml

@@ -0,0 +1,17 @@
+kind: pipeline
+type: docker
+name: clone
+
+steps:
+  - name: Test
+    image: golang:1.18
+    commands:
+      - go env -w GO111MODULE=on
+      - go env -w GOPROXY=https://goproxy.cn,direct
+      - go test -v ./...
+  - name: Benchmark
+    image: golang:1.18
+    commands:
+      - go env -w GO111MODULE=on
+      - go env -w GOPROXY=https://goproxy.cn,direct
+      - go test -bench=. -benchmem

.gitignore

@@ -0,0 +1,9 @@
+.env
+.git
+.svn
+.idea
+.vscode
+*.log
+goinit.sh
+gomod.sh
+/vendor/

go.mod

@@ -0,0 +1,3 @@
+module go.dtapp.net/gorandom
+
+go 1.18

gorandom.go

@@ -0,0 +1,50 @@
+package gorandom
+
+import (
+	"math/rand"
+	"time"
+)
+
+const numbers string = "0123456789"
+const letters string = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz"
+const specials = "~!@#$%^*()_+-=[]{}|;:,./<>?"
+const alphanumerics string = letters + numbers
+const ascii string = alphanumerics + specials
+
+func random[T int | int64](n T, chars string) string {
+	if n <= 0 {
+		return ""
+	}
+	r := rand.New(rand.NewSource(time.Now().UnixNano()))
+	bytes := make([]byte, n, n)
+	l := len(chars)
+	var i T = 0
+	for {
+		if i >= n {
+			break
+		}
+		bytes[i] = chars[r.Intn(l)]
+		i++
+	}
+	return string(bytes)
+}
+
+// Alphanumeric 随机字母数字
+func Alphanumeric[T int | int64](n T) string {
+	return random(n, alphanumerics)
+}
+
+// Alphabetic 随机字母
+func Alphabetic[T int | int64](n T) string {
+	return random(n, letters)
+}
+
+// Numeric 随机数字
+func Numeric[T int | int64](n T) string {
+	return random(n, numbers)
+}
+
+// Ascii 随机ASCII
+func Ascii[T int | int64](n T) string {
+	return random(n, ascii)
+}

version.go

@@ -0,0 +1,3 @@
+package gorandom
+
+const Version = "1.0.0"

version_test.go

@@ -0,0 +1,7 @@
+package gorandom
+
+import "testing"
+
+func TestVersion(t *testing.T) {
+	t.Log(Version)
+}