From c5280523caa79a5680db680e1534256770c320df Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=9D=8E=E5=85=89=E6=98=A5?= <gc@dtapp.net>
Date: Fri, 27 May 2022 00:09:46 +0800
Subject: [PATCH] - init

---
 .drone.yml      | 17 +++++++++++++++++
 .gitignore      |  9 +++++++++
 go.mod          |  3 +++
 gorandom.go     | 50 +++++++++++++++++++++++++++++++++++++++++++++++++
 version.go      |  3 +++
 version_test.go |  7 +++++++
 6 files changed, 89 insertions(+)
 create mode 100644 .drone.yml
 create mode 100644 .gitignore
 create mode 100644 go.mod
 create mode 100644 gorandom.go
 create mode 100644 version.go
 create mode 100644 version_test.go

diff --git a/.drone.yml b/.drone.yml
new file mode 100644
index 0000000..c56c479
--- /dev/null
+++ b/.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
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..4794692
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,9 @@
+.env
+.git
+.svn
+.idea
+.vscode
+*.log
+goinit.sh
+gomod.sh
+/vendor/
\ No newline at end of file
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..2a5e8ef
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module go.dtapp.net/gorandom
+
+go 1.18
diff --git a/gorandom.go b/gorandom.go
new file mode 100644
index 0000000..34281cc
--- /dev/null
+++ b/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)
+}
diff --git a/version.go b/version.go
new file mode 100644
index 0000000..d1b1ddd
--- /dev/null
+++ b/version.go
@@ -0,0 +1,3 @@
+package gorandom
+
+const Version = "1.0.0"
diff --git a/version_test.go b/version_test.go
new file mode 100644
index 0000000..2b0146d
--- /dev/null
+++ b/version_test.go
@@ -0,0 +1,7 @@
+package gorandom
+
+import "testing"
+
+func TestVersion(t *testing.T) {
+	t.Log(Version)
+}