File file.File

file/entry.go

@@ -0,0 +1,4 @@
+package file
+
+type File struct {
+}

file/entry_test.go

@@ -0,0 +1,3 @@
+package file
+
+var file File

file/file.go

@@ -0,0 +1,37 @@
+package file
+
+import (
+	"encoding/base64"
+	"os"
+)
+
+func (fl *File) ByteToBase64(b []byte) string {
+	return base64.StdEncoding.EncodeToString(b)
+}
+
+// Base64ToByte base64 string to byte
+// baseStr parameter is base64 string
+func (fl *File) 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 *File) 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
+}

file/file_test.go

@@ -0,0 +1,14 @@
+package file
+
+import (
+	"fmt"
+	"testing"
+)
+
+func TestFile_ByteToBase64(t *testing.T) {
+	byteStr := []byte("hello world!")
+	base64Str := file.ByteToBase64(byteStr)
+	byteresult, _ := file.Base64ToByte(base64Str)
+	fmt.Println(base64Str)
+	fmt.Println(byteresult)
+}

gtool.go

@@ -3,6 +3,7 @@ package gtool
 import (
 	"git.sre.ink/go/gtool/convert"
 	"git.sre.ink/go/gtool/crypto"
+	"git.sre.ink/go/gtool/file"
 	"git.sre.ink/go/gtool/rand"
 	"git.sre.ink/go/gtool/regx"
 	"git.sre.ink/go/gtool/str"
@@ -15,4 +16,5 @@ var (
 	Rand  rand.Rand
 	Conv  convert.Conv
 	Regx  regx.Regx
+	File  file.File
 )