fjhx-cloud/hx-saas-project/saas-rocketmq/src/main/java/com/fjhx/rocketmq/consumer/ConsumerServiceERP.java

package com.fjhx.rocketmq.consumer;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;
import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus;
import org.apache.rocketmq.client.consumer.listener.MessageListenerConcurrently;
import org.apache.rocketmq.client.exception.MQClientException;
import org.apache.rocketmq.common.consumer.ConsumeFromWhere;
import org.apache.rocketmq.common.message.Message;
import org.apache.rocketmq.remoting.common.RemotingHelper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;

import java.util.List;

/**
 * @author caozhoujun
 * @version 1.2
 * @date 2020/6/22
 */
@Component
public class ConsumerServiceERP {

    private DefaultMQPushConsumer consumer;

    private String consumerGroup = "rocketmq_test_group_official_erp";



    public ConsumerServiceERP() throws MQClientException {
        consumer = new DefaultMQPushConsumer(consumerGroup);
        consumer.setNamesrvAddr("124.70.202.81:9876;124.70.177.208:9876;124.70.207.0:9876;124.70.188.19:9876");
        // 设置消费地点,从最后一个进行消费(其实就是消费策略)
        consumer.setConsumeFromWhere(ConsumeFromWhere.CONSUME_FROM_LAST_OFFSET);
        // 订阅主题的哪些标签
        consumer.subscribe("rocketmq_erp", "erp");
        // 注册监听器
        consumer.registerMessageListener((MessageListenerConcurrently)
                (msgs, context) -> {
                    try {
                        // 获取Message
                        Message msg = msgs.get(0);
                        // 标签
                        String str = new String(msg.getBody(), RemotingHelper.DEFAULT_CHARSET);
                        System.out.println("消费erp数据" + str);
                        JSONObject jsonObject = JSONObject.parseObject(str);
                        String whodoesp = jsonObject.get("whodoesp").toString();
                        return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
                    } catch (Exception e) {
                        e.printStackTrace();
                        return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
                    }

                });
        consumer.start();
    }
}