基于RabbitMQ的消息总线 - xinwu-yang/cube-java GitHub Wiki

使用说明

  1. 引入依赖
<dependency>
    <groupId>com.tievd.cube.starter</groupId>
    <artifactId>starter-rabbitmq</artifactId>
</dependency>
  1. 推送消息API介绍
参数名 参数描述 参数类型
queueName 队列名称(队列自动创建,无需手动) String
handlerName 参数 自定义消息处理器beanName
params 参数 Object
expiration 延迟时间 int(毫秒) 
//立即发送 void sendMessage(String queueName, Object params)
//发送延时消息 void sendMessage(String queueName, Object params, Integer expiration)
//发送远程消息 void publishEvent(String handlerName, BaseMap params)
  1. 编写示例（简单3步完成消息的发送和接收）
//注入消息发送客户端
@Autowired
private RabbitMqClient  rabbitMqClient;

//发送消息示例代码
BaseMap map = new BaseMap();
map.put("orderId", "12345");
rabbitMqClient.sendMessage("test", map);
//延迟10秒发送
//rabbitMqClient.sendMessage("test", map, 10000);

//编写消息监听监听器
//定义接收者（可以定义N个接受者，消息会均匀的发送到N个接收者中）
import com.rabbitmq.client.Channel;
import lombok.extern.slf4j.Slf4j;
import org.jeecg.boot.starter.rabbitmq.core.BaseRabbiMqHandler;
import org.jeecg.boot.starter.rabbitmq.listenter.MqListener;
import org.jeecg.common.annotation.RabbitComponent;
import org.jeecg.common.base.BaseMap;
import org.springframework.amqp.rabbit.annotation.RabbitHandler;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.amqp.support.AmqpHeaders;
import org.springframework.messaging.handler.annotation.Header;

@Slf4j
@RabbitListener(queues = "test3")
@RabbitComponent(value = "testListener3")
public class DemoRabbitMqListener3 extends BaseRabbiMqHandler<BaseMap> {

    @RabbitHandler
    public void onMessage(BaseMap baseMap, Channel channel, @Header(AmqpHeaders.DELIVERY_TAG) long deliveryTag) {
        super.onMessage(baseMap, deliveryTag, channel, new MqListener<BaseMap>() {
            @Override
            public void handler(BaseMap map, Channel channel) {
                String orderId = map.get("orderId").toString();
                log.info("业务处理3：orderId:" + orderId);
            }
        });
    }
}

或者

import com.rabbitmq.client.Channel;
import lombok.extern.slf4j.Slf4j;
import org.jeecg.boot.starter.rabbitmq.core.BaseRabbiMqHandler;
import org.jeecg.boot.starter.rabbitmq.listenter.MqListener;
import org.jeecg.common.annotation.RabbitComponent;
import org.jeecg.common.base.BaseMap;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.amqp.support.AmqpHeaders;
import org.springframework.messaging.handler.annotation.Header;

@Slf4j
@RabbitComponent(value = "testListener2")
public class DemoRabbitMqListener2 extends BaseRabbiMqHandler<BaseMap> {

    @RabbitListener(queues = "test2")
    public void onMessage(BaseMap baseMap, Channel channel, @Header(AmqpHeaders.DELIVERY_TAG) long deliveryTag) {
        super.onMessage(baseMap, deliveryTag, channel, new MqListener<BaseMap>() {
            @Override
            public void handler(BaseMap map, Channel channel) {
                String orderId = map.get("orderId");
                log.info("业务处理2：orderId:" + orderId);
            }
        });
    }
}
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