优化生产数据的数据结构

producer.go

@@ -141,14 +141,10 @@ func (p *Producer) buildMessage(data ProducerData) *sarama.ProducerMessage {
 		Key:       sarama.StringEncoder(data.Key),
 		Timestamp: time.Now(),
 	}
-	switch v := data.Data.(type) {
-	case string:
-		mes.Value = sarama.StringEncoder(v)
-	case []byte:
-		mes.Value = sarama.ByteEncoder(v)
-	default:
-		byteData, _ := json.Marshal(data.Data)
-		mes.Value = sarama.ByteEncoder(byteData)
+	if nil == data.Data {
+		data.Data = make(map[interface{}]interface{})
 	}
+	byteData, _ := json.Marshal(data.Data)
+	mes.Value = sarama.ByteEncoder(byteData)
 	return mes
 }