SpringBoot整合Rabbitmq设置消息请求头

        String str = "{"origin":"BBC","origin_coupon_id":51,"name":"123","start_time":1537763820,"end_time":1540874220,"duration":"","validity_type":0,"type":1,"total_cnt":"10000","area":""}";
        Message message = MessageBuilder.withBody(str.getBytes())
                .setContentType(MessageProperties.CONTENT_TYPE_TEXT_PLAIN)
                .setContentEncoding("utf-8")
                .setMessageId(UUID.randomUUID()+"")
                .build();
        rabbitmqTemplate.convertAndSend("COUPON_EXCHANGE","COUPON_QUEUE",message);