session

1. session move from astaxie/session to beego/session
2. support 4 type session

session/sess_gob.go

@@ -0,0 +1,38 @@
+package session
+
+import (
+	"bytes"
+	"encoding/gob"
+)
+
+func init() {
+	gob.Register([]interface{}{})
+	gob.Register(map[int]interface{}{})
+	gob.Register(map[string]interface{}{})
+	gob.Register(map[interface{}]interface{}{})
+	gob.Register(map[string]string{})
+	gob.Register(map[int]string{})
+	gob.Register(map[int]int{})
+	gob.Register(map[int]int64{})
+}
+
+func encodeGob(obj map[interface{}]interface{}) ([]byte, error) {
+	buf := bytes.NewBuffer(nil)
+	enc := gob.NewEncoder(buf)
+	err := enc.Encode(obj)
+	if err != nil {
+		return []byte(""), err
+	}
+	return buf.Bytes(), nil
+}
+
+func decodeGob(encoded []byte) (map[interface{}]interface{}, error) {
+	buf := bytes.NewBuffer(encoded)
+	dec := gob.NewDecoder(buf)
+	var out map[interface{}]interface{}
+	err := dec.Decode(&out)
+	if err != nil {
+		return nil, err
+	}
+	return out, nil
+}