Golang gzip的压缩和解压

 package src

 import (
     "bytes"
     "compress/gzip"
 )

 func GzipEncode(in []byte) ([]byte, error) {
     var (
         buffer bytes.Buffer
         out    []byte
         err    error
     )
     writer := gzip.NewWriter(&buffer)
     _, err = writer.Write(in)
     if err != nil {
         writer.Close()
         return out, err
     }
     err = writer.Close()
     if err != nil {
         return out, err
     }

     return buffer.Bytes(), nil
 }

 func GzipDecode(in []byte) ([]byte, error) {
     reader, err := gzip.NewReader(bytes.NewReader(in))
     if err != nil {
         var out []byte
         return out, err
     }
     defer reader.Close()

     return ioutil.ReadAll(reader)
 }