Apply .gitignore rules

.svn/pristine/03/03df81ec69165cb7077f9e740559446368aca1f2.svn-base

@@ -0,0 +1,78 @@
+package fileUtil
+
+import (
+	"compress/gzip"
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+)
+
+// 对文件进行gzip压缩
+// source:源文件完整路径
+// target:目标文件文件夹（如果传空字符串，则为当前文件夹）
+// 返回值
+// 错误对象
+func Gzip(source, target string) error {
+	reader, err := os.Open(source)
+	if err != nil {
+		return err
+	}
+	defer reader.Close()
+
+	// 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)
+	}
+	fileName := filepath.Base(source)
+
+	targetFilePath := filepath.Join(target, fmt.Sprintf("%s.gz", fileName))
+	writer, err := os.Create(targetFilePath)
+	if err != nil {
+		return err
+	}
+	defer writer.Close()
+
+	archiver := gzip.NewWriter(writer)
+	archiver.Name = fileName
+	defer archiver.Close()
+
+	_, err = io.Copy(archiver, reader)
+
+	return err
+}
+
+// 对文件进行gzip解压缩
+// source:源文件完整路径
+// target:目标文件文件夹（解压缩文件的名字是内部自动赋值）
+// 返回值
+// 错误对象
+func UnGzip(source, target string) error {
+	reader, err := os.Open(source)
+	if err != nil {
+		return err
+	}
+	defer reader.Close()
+
+	archive, err := gzip.NewReader(reader)
+	if err != nil {
+		return err
+	}
+	defer archive.Close()
+
+	// 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)
+	}
+
+	targetFilePath := filepath.Join(target, archive.Name)
+	writer, err := os.Create(targetFilePath)
+	if err != nil {
+		return err
+	}
+	defer writer.Close()
+
+	_, err = io.Copy(writer, archive)
+
+	return err
+}