key value pair helper function

chatSession.go

@@ -140,6 +140,10 @@ func (ss *openIDSessionData) setKvPair(key, val string) {
 	ss.UpdateAt = int32(time.Now().Unix())
 }
 
+func (ss *openIDSessionData) getVal(key string) string {
+	return ss.KvPair[key]
+}
+
 //main entry point for processing each incoming message
 //this stage has session date available
 func (ss *openIDSessionData) incomingMsg(v InWechatMsg) {