go gzip压缩 | compress/gzip

func (this *UserController) test() {
	var buf bytes.Buffer
	zw := gzip.NewWriter(&buf)
	// Setting the Header fields is optional.
	zw.Name = "a-new-hope.txt"
	zw.Comment = "an epic space opera by George Lucas"
	zw.ModTime = time.Date(1977, time.May, 25, 0, 0, 0, 0, time.UTC)
	_, err := zw.Write([]byte("A long time ago in a galaxy far, far away..."))
	if err != nil {
		//log.Fatal(err)
	}
	if err := zw.Close(); err != nil {
		//log.Fatal(err)
	}
	zr, err := gzip.NewReader(&buf)
	if err != nil {
		//log.Fatal(err)
	}
	logger.Debug("\nName: %s\nComment: %s\nModTime: %s\n", zr.Name, zr.Comment, zr.ModTime.UTC())
	/*
	if _, err := io.Copy(os.Stdout, zr); err != nil {
		//log.Fatal(err)
	}
	*/
	if err := zr.Close(); err != nil {
		//log.Fatal(err)
	}
	rBuf, err := ioutil.ReadAll(zr)
	logger.Debug("\nrBuf = %s\n", string(rBuf))
	// Output:
	// Name: a-new-hope.txt
	// Comment: an epic space opera by George Lucas
	// ModTime: 1977-05-25 00:00:00 +0000 UTC
	//
	// A long time ago in a galaxy far, far away...
}

实测谁出信息

参考资料 

压缩/gzip | compress/gzip

记一次golang的gzip优化