first commit

clientsdk/baseutils/ziptool.go

@@ -0,0 +1,87 @@
+package baseutils
+
+import (
+	"bytes"
+	"compress/flate"
+	"compress/zlib"
+	"io/ioutil"
+
+	"github.com/micro/go-micro/util/log"
+)
+
+// UnzipByteArray zip解压缩
+func UnzipByteArray(data []byte) ([]byte, error) {
+	reader, err := zlib.NewReader(bytes.NewReader(data))
+	if err != nil {
+		return nil, err
+	}
+
+	retBytes, err := ioutil.ReadAll(reader)
+	defer reader.Close()
+	if err != nil {
+		return nil, err
+	}
+
+	return retBytes, nil
+}
+
+// CompressByteArray zip压缩
+func CompressByteArray(data []byte) []byte {
+	var in bytes.Buffer
+	w := zlib.NewWriter(&in)
+	w.Write(data)
+	w.Close()
+	return in.Bytes()
+}
+
+// 进行zlib压缩
+func DoZlibCompress(src []byte) []byte {
+	var in bytes.Buffer
+	w, _ := zlib.NewWriterLevel(&in, zlib.DefaultCompression)
+	w.Write(src)
+	w.Close()
+	return in.Bytes()
+}
+
+func AE(msg []byte) []byte {
+	ml := len(msg)
+	var pwd []byte
+	for i := 0; i < ml; i++ {
+		S := 0xAE ^ msg[i]
+		pwd = append(pwd, S)
+	}
+	return DoZlibCompress(pwd)
+}
+
+// DeflateZip DeflateZip
+func DeflateZip(data []byte) []byte {
+	// 一个缓存区压缩的内容
+	buffer := bytes.NewBuffer(nil)
+
+	// 创建一个flate.Writer
+	flateWrite, err := flate.NewWriter(buffer, flate.BestCompression)
+	if err != nil {
+		log.Info("DeflateZip err = ", err)
+		return nil
+	}
+	defer flateWrite.Close()
+	flateWrite.Write(data)
+	flateWrite.Flush()
+
+	return buffer.Bytes()
+}
+
+// DeflateUnZip DeflateUnZip
+func DeflateUnZip(data []byte) []byte {
+	// 一个缓存区压缩的内容
+	flateReader := flate.NewReader(bytes.NewReader(data))
+	defer flateReader.Close()
+	// 输出
+	retBytes, err := ioutil.ReadAll(flateReader)
+	if err != nil {
+		log.Info("DeflateUnZip err = ", err)
+		return nil
+	}
+
+	return retBytes
+}