package demo.mq; import org.apache.rocketmq.spring.core.RocketMQTemplate; public class WalletDeductProducer { private RocketMQTemplate rocketMQTemplate; public void send(WalletDeductReq req) { rocketMQTemplate.syncSend(CapitalMqConstants.TOPIC + ":" + CapitalMqConstants.TAG_WALLET_DEDUCT, req); } }