Apply .gitignore rules

.svn/pristine/86/8662ce73407a4f43552270d1d03fec78949097a5.svn-base

@@ -0,0 +1,104 @@
+package fileUtil
+
+import (
+	"archive/tar"
+	"io"
+	"os"
+	"path/filepath"
+)
+
+// 对一组文件进行tar打包
+// sourceList:源文件完整路径列表
+// target:目标文件名称
+// 返回值
+// 错误对象
+func Tar(sourceList []string, target string) error {
+	tarFile, err := os.Create(target)
+	if err != nil {
+		return err
+	}
+	defer tarFile.Close()
+
+	tarball := tar.NewWriter(tarFile)
+	defer tarball.Close()
+
+	// 对源文件遍历处理
+	for _, item := range sourceList {
+		info, err := os.Stat(item)
+		if err != nil || info.IsDir() {
+			continue
+		}
+
+		header, err := tar.FileInfoHeader(info, info.Name())
+		if err != nil {
+			return err
+		}
+
+		header.Name = filepath.Base(item)
+
+		if err := tarball.WriteHeader(header); err != nil {
+			return err
+		}
+
+		file, err := os.Open(item)
+		if err != nil {
+			return err
+		}
+		defer file.Close()
+
+		if _, err = io.Copy(tarball, file); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// 对一组文件进行tar解包
+// source:源文件完整路径
+// target:目标文件名称
+// 返回值
+// 错误对象
+func Untar(source, target string) error {
+	reader, err := os.Open(source)
+	if err != nil {
+		return err
+	}
+	defer reader.Close()
+	tarReader := tar.NewReader(reader)
+
+	// 给目标文件夹赋值，如果传空，则默认为当前文件夹
+	if target == "" {
+		target = filepath.Dir(source)
+	}
+
+	for {
+		header, err := tarReader.Next()
+		if err == io.EOF {
+			break
+		} else if err != nil {
+			return err
+		}
+
+		targetFilePath := filepath.Join(target, header.Name)
+		info := header.FileInfo()
+		if info.IsDir() {
+			if err = os.MkdirAll(targetFilePath, info.Mode()); err != nil {
+				return err
+			}
+			continue
+		}
+
+		file, err := os.OpenFile(targetFilePath, os.O_CREATE|os.O_TRUNC|os.O_WRONLY, info.Mode())
+		if err != nil {
+			return err
+		}
+		defer file.Close()
+		_, err = io.Copy(file, tarReader)
+		if err != nil {
+			return err
+		}
+	}
+
+	return nil
+}