From a35ac4f2d3f75c67cf03c56c49153f7b13eb0b15 Mon Sep 17 00:00:00 2001
From: sre <sre@yangqiao.org>
Date: Thu, 23 Jun 2022 16:34:29 +0800
Subject: [PATCH] os function

---
 gtool.go                  |  2 ++
 operaSystem/entry.go      |  4 ++++
 operaSystem/entry_test.go |  3 +++
 operaSystem/file.go       | 37 +++++++++++++++++++++++++++++++++++++
 operaSystem/file_test.go  | 14 ++++++++++++++
 operaSystem/info.go       | 15 +++++++++++++++
 operaSystem/info_test.go  | 11 +++++++++++
 7 files changed, 86 insertions(+)
 create mode 100644 operaSystem/entry.go
 create mode 100644 operaSystem/entry_test.go
 create mode 100644 operaSystem/file.go
 create mode 100644 operaSystem/file_test.go
 create mode 100644 operaSystem/info.go
 create mode 100644 operaSystem/info_test.go

diff --git a/gtool.go b/gtool.go
index 9a9fbd9..a4a674d 100644
--- a/gtool.go
+++ b/gtool.go
@@ -5,6 +5,7 @@ import (
 	"git.sre.ink/go/gtool/crypto"
 	"git.sre.ink/go/gtool/file"
 	"git.sre.ink/go/gtool/net"
+	"git.sre.ink/go/gtool/operaSystem"
 	"git.sre.ink/go/gtool/rand"
 	"git.sre.ink/go/gtool/regx"
 	"git.sre.ink/go/gtool/str"
@@ -18,5 +19,6 @@ var (
 	Conv  convert.Conv
 	Regx  regx.Regx
 	File  file.File
+	OS    operaSystem.OperaSystem
 	NET   net.NET
 )
diff --git a/operaSystem/entry.go b/operaSystem/entry.go
new file mode 100644
index 0000000..b3b0a3a
--- /dev/null
+++ b/operaSystem/entry.go
@@ -0,0 +1,4 @@
+package operaSystem
+
+type OperaSystem struct {
+}
diff --git a/operaSystem/entry_test.go b/operaSystem/entry_test.go
new file mode 100644
index 0000000..19ca245
--- /dev/null
+++ b/operaSystem/entry_test.go
@@ -0,0 +1,3 @@
+package operaSystem
+
+var operaSystem OperaSystem
diff --git a/operaSystem/file.go b/operaSystem/file.go
new file mode 100644
index 0000000..b78917f
--- /dev/null
+++ b/operaSystem/file.go
@@ -0,0 +1,37 @@
+package operaSystem
+
+import (
+	"encoding/base64"
+	"os"
+)
+
+func (fl *OperaSystem) ByteToBase64(b []byte) string {
+	return base64.StdEncoding.EncodeToString(b)
+}
+
+// Base64ToByte base64 string to byte
+// baseStr parameter is base64 string
+func (fl *OperaSystem) Base64ToByte(baseStr string) ([]byte, error) {
+	return base64.StdEncoding.DecodeString(string(baseStr))
+}
+
+// ByteToFile The byte array is converted into a file and landed
+// The parameter b is the bate array filePath file path
+func (fl *OperaSystem) ByteToFile(b []byte, filePath string) error {
+	//Open file Create a file if there is no file
+	file, err := os.OpenFile(filePath, os.O_RDWR|os.O_CREATE, os.ModePerm)
+	if err != nil {
+		return err
+	}
+	_, err = file.Write(b)
+	if err != nil {
+		return err
+	}
+	defer func(file *os.File) {
+		err := file.Close()
+		if err != nil {
+			panic(err)
+		}
+	}(file)
+	return nil
+}
diff --git a/operaSystem/file_test.go b/operaSystem/file_test.go
new file mode 100644
index 0000000..9ca07d0
--- /dev/null
+++ b/operaSystem/file_test.go
@@ -0,0 +1,14 @@
+package operaSystem
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestFile_ByteToBase64(t *testing.T) {
+	byteStr := []byte("hello world!")
+	base64Str := operaSystem.ByteToBase64(byteStr)
+	byteResult, _ := operaSystem.Base64ToByte(base64Str)
+	fmt.Println(base64Str)
+	fmt.Println(byteResult)
+}
diff --git a/operaSystem/info.go b/operaSystem/info.go
new file mode 100644
index 0000000..16136d0
--- /dev/null
+++ b/operaSystem/info.go
@@ -0,0 +1,15 @@
+package operaSystem
+
+import "runtime"
+
+func (os *OperaSystem) GOOS() string {
+	return runtime.GOOS
+}
+
+func (os *OperaSystem) GOARCH() string {
+	return runtime.GOARCH
+}
+
+func (os *OperaSystem) GOGC() string {
+	return runtime.Compiler
+}
diff --git a/operaSystem/info_test.go b/operaSystem/info_test.go
new file mode 100644
index 0000000..0fa6bb4
--- /dev/null
+++ b/operaSystem/info_test.go
@@ -0,0 +1,11 @@
+package operaSystem
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestOS_GOOS(t *testing.T) {
+	fmt.Println(operaSystem.GOOS())
+	fmt.Println(operaSystem.GOGC())
+}