1、RabbitMQ
消息队列解决了什么问题
- 异步处理
- 应用解耦
- 流量削锋
- 日志处理
运行rabbitmq镜像
# docker run --name rabbitmq -tid -p 5672:5672 -p 15672:15672 -p 25672:25672 rabbitmq
修改rabbitmq设置
# docker exec -it 容器号 /bin/bash
新增用户
# rabbitmqctl add_user [user_name] [pwd]
查看用户
# rabbitmqctl list_users
Setting permissions for user "[user_name]" in vhost "/" ...
# rabbitmqctl set_permissions -p "/" [user_name] ".*" ".*" ".*"
# rabbitmqctl list_permissions -p /
将[user_name]用户设置为administrator角色
# rabbitmqctl set_user_tags asdf administrator
删除guest用户
# rabbitmqctl delete_user guest
开启web界面
# rabbitmq-plugins enable rabbitmq_management
web访问
# http://IP:15672
Java操作RabbitMQ
- simple 简单队列
- work queues 工作队列 公平分发 轮询分发
- publish/subscribe 发布订阅
- routing 路由选择 通配符模式
- Topics 主题
- 手动和自动确认消息
- 队列的持久化和非持久化
- rabbitMQ的延迟队列
依赖
com.rabbitmq amqp-client 4.0.2 org.slf4j slf4j-api 1.7.10 org.slf4j slf4j-log4j12 1.7.5 log4j log4j 1.2.17 junit junit 4.11
2、简单队列
2.2、定义连接MQ的工具
public class connectionUtil {
public static Connection getConnection() throws IOException, TimeoutException {
//定义链接工厂
ConnectionFactory factory = new ConnectionFactory();
//设置服务地址[运行rabbitMQ的地址]
factory.setHost("192.168.168.130");
//AMQ的端口号
factory.setPort(5672);
//vHost
factory.setVirtualHost("lgz");
factory.setUsername("lgz");
factory.setPassword("pwd123456");
return factory.newConnection();
}
}
2.3、生产者发送消息
//测试发送信息
public class ProducerSend {
private static final String QUEUE_NAME="test_simple_queue";
public static void main(String[] args) throws IOException, TimeoutException {
System.out.println("cs");
//获取链接
Connection connection = connectionUtil.getConnection();
//从链接中获取通道
Channel channel = connection.createChannel();
//队列声明
channel.queueDeclare(QUEUE_NAME,false,false,false,null);
String msg="hello simple";
channel.basicPublish("",QUEUE_NAME,null,msg.getBytes());
System.out.println("test success");
channel.close();
connection.close();
}
}
2.4、消费者获取信息
public class comsumerGain {
private static final String QUE_NAME="test_simple_queue";
public static void main(String[] args) throws IOException, TimeoutException {
//获取链接
Connection connection = connectionUtil.getConnection();
//创建通道
Channel channel = connection.createChannel();
//定义消费者
DefaultConsumer consumer = new DefaultConsumer(channel) {
//获取到达的消息
@Override
public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
super.handleDelivery(consumerTag, envelope, properties, body);
String msg = new String(body, "utf-8");
System.out.println(msg);
}
};
//监听队列
channel.basicConsume(QUE_NAME,true,consumer);
}
}
2.5、简单队列的缺点
- 耦合性高:生产者一 一对应消费者
3、工作队列
3.1、工作队列模型
3.2、生产者演示
public class WorkQueue {
public static final String QUEUE_NAME="work_queue";
public static void main(String[] args) throws IOException, TimeoutException, InterruptedException {
//创建连接
Connection connection = connectionUtil.getConnection();
//获取channel链接
Channel channel = connection.createChannel();
//
channel.queueDeclare(QUEUE_NAME,false,false,false,null);
for (int i = 0; i <50 ; i++) {
String msg="No"+i;
System.out.println(msg);
channel.basicPublish("",QUEUE_NAME,null,msg.getBytes());
Thread.sleep(i*20);
}
channel.close();
connection.close();
}
}
3.3、消费者1
public class WorkRecv {
private final static String QUEUE_NAME="work_queue";
public static void main(String[] args) throws IOException, TimeoutException {
//获取链接
Connection connection = connectionUtil.getConnection();
//获取channel
Channel channel = connection.createChannel();
//声明队列
channel.queueDeclare(QUEUE_NAME,false,false,false,null);
//定义一个消费者
DefaultConsumer defaultConsumer = new DefaultConsumer(channel) {
//消息触发
@Override
public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
super.handleDelivery(consumerTag, envelope, properties, body);
String msg=new String(body,"utf-8");
System.out.println("receive"+msg);
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}finally {
System.out.println("结束");
}
}
};
channel.basicConsume(QUEUE_NAME,true,defaultConsumer);
}
3.4、消费者2
public class WorkRecv {
private final static String QUEUE_NAME="work_queue";
public static void main(String[] args) throws IOException, TimeoutException {
//获取链接
Connection connection = connectionUtil.getConnection();
//获取channel
Channel channel = connection.createChannel();
//声明队列
channel.queueDeclare(QUEUE_NAME,false,false,false,null);
//定义一个消费者
DefaultConsumer defaultConsumer = new DefaultConsumer(channel) {
//消息触发
@Override
public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
super.handleDelivery(consumerTag, envelope, properties, body);
String msg=new String(body,"utf-8");
System.out.println("receive"+msg);
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}finally {
System.out.println("结束");
}
}
};
channel.basicConsume(QUEUE_NAME,true,defaultConsumer);
}
}
3.5、总结
- 采用了轮询算法轮询机制
4、公平分发
4.1、生产者
public class WorkQueue {
public static final String QUEUE_NAME="work_queue";
public static void main(String[] args) throws IOException, TimeoutException, InterruptedException {
//创建连接
Connection connection = connectionUtil.getConnection();
//获取channel链接
Channel channel = connection.createChannel();
//
channel.queueDeclare(QUEUE_NAME,false,false,false,null);
/*
* 每个消费者发送确认消息之前,消息队列不发送下一个消息到消费者。【一次只处理一个消息】
* */
int prefetchCount=1;
channel.basicQos(prefetchCount);
for (int i = 0; i <50 ; i++) {
String msg="No"+i;
System.out.println(msg);
channel.basicPublish("",QUEUE_NAME,null,msg.getBytes());
Thread.sleep(i*20);
}
channel.close();
connection.close();
}
}
4.2、消费者1
public class WorkRecv {
private final static String QUEUE_NAME="work_queue";
public static void main(String[] args) throws IOException, TimeoutException {
//获取链接
Connection connection = connectionUtil.getConnection();
//获取channel
final Channel channel = connection.createChannel();
//声明队列
channel.queueDeclare(QUEUE_NAME,false,false,false,null);
channel.basicQos(1); //一次只分发一个
//定义一个消费者
DefaultConsumer defaultConsumer = new DefaultConsumer(channel) {
//消息触发
@Override
public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
super.handleDelivery(consumerTag, envelope, properties, body);
String msg=new String(body,"utf-8");
System.out.println("receive"+msg);
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}finally {
System.out.println("结束");
channel.basicAck(envelope.getDeliveryTag(),false);
}
}
};
channel.basicConsume(QUEUE_NAME,false,defaultConsumer);
}
}
4.2、消费者2
public class WorkReceive {
private final static String QUEUE_NAME="work_queue";
public static void main(String[] args) throws IOException, TimeoutException {
//获取链接
Connection connection = connectionUtil.getConnection();
//获取channel
final Channel channel = connection.createChannel();
//声明队列
channel.queueDeclare(QUEUE_NAME,false,false,false,null);
//保证每次只分发一个
channel.basicQos(1);
//定义一个消费者
DefaultConsumer defaultConsumer = new DefaultConsumer(channel) {
//消息触发
@Override
public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
super.handleDelivery(consumerTag, envelope, properties, body);
String msg=new String(body,"utf-8");
System.out.println("receive"+msg);
try {
Thread.sleep(2000);
} catch (InterruptedException e) {
e.printStackTrace();
}finally {
System.out.println("【start】:");
//手动回执一个消息
channel.basicAck(envelope.getDeliveryTag(),false);
}
}
};
channel.basicConsume(QUEUE_NAME,false,defaultConsumer);
}
}
4.3、疑难问题
- basicQos(1);用于限制rabbitMQ一次只分发一个消息
- 使用公平分发必须关闭自动应答ack,改成手动的
5、消息应答与消息持久化
5.1、消息应答
- boolean autoack=false (手动确认模式),如果有消费者宕机,则会将信息交付给其他的消费者。【rabbitmq支持消息应答,消费者发送一个消息确认,则rabbitmq会进行删除内存数据】
- Boolean autoAck=true (自动确认模式),一旦rabbitmq将消息分发给消费者就会从内存中删除
如果这种情况下,杀死正在执行的消费者,就会造成正在处理的信息丢失。
- 默认情况下是autoAck是false
- 如果rabbitMQ宕机,则服务器数据仍然丢失
5.2、消息持久化
//声明队列
channel.queueDeclare(QUEUE_NAME,[durable]false,false,false,null);
//durable:持久化,
将程序中的durable的false改称为true,也是不可以的。因为定义的QUEUE_NAME代表这个queue是未持久化的,rabbitmq不准重新定义一个已存在的队列
- 在控制台【访问mq的界面】进行删除这个队列
6、订阅模式【fanout】
- 一个生产者,多个消费者
- 每个消费者都有自己的队列
- 生产者将消息发送到交换机【转发器】,而不是直接发送到队列中
- 每个队列都绑定在交换机
- 生产者发送的消息,经过交换机到达队列【实现一个消息被多个消费者消费】
- 交换机中无法数据【只有队列具有存储能力】,如果想要进行存储
6.1、生产者
public class Send {
public static final String EXCHANGE_NAME="test_exchange_fanout";
public static void main(String[] args) throws IOException, TimeoutException {
Connection connection = ConnectionUtil.getConnection();
Channel channel = connection.createChannel();
//声明交换机
channel.exchangeDeclare(EXCHANGE_NAME,"fanout");//分发
String msg="hello_exchange";
channel.basicPublish(EXCHANGE_NAME,"",null,msg.getBytes());
System.out.println("send:"+msg);
channel.close();
connection.close();
}
}
6.2、消费者
public class Receive1 {
public static final String QUEUE_NAME="test_queue_exchange";
public static final String EXCHANGE_NAME="test_exchange_fanout";
public static void main(String[] args) throws IOException, TimeoutException {
Connection connection = ConnectionUtil.getConnection();
final Channel channel = connection.createChannel();
channel.queueDeclare(QUEUE_NAME,false,false,false,null);
//绑定队列到交换机
channel.queueBind(QUEUE_NAME,EXCHANGE_NAME,"");
channel.basicQos(1);//保证每次只能分发一个
DefaultConsumer defaultConsumer = new DefaultConsumer(channel) {
@Override
public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
super.handleDelivery(consumerTag, envelope, properties, body);
String msg=new String(body,"utf-8");
System.out.println("Receive1"+msg);
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}finally {
System.out.println("[ok]");
channel.basicAck(envelope.getDeliveryTag(),false);
}
}
};
boolean autoAck=false;
channel.basicConsume(QUEUE_NAME,autoAck,defaultConsumer);
}
}
6.3、消费者2
public class Receive2{
public static final String QUEUE_NAME="email_queue_exchange";
public static final String EXCHANGE_NAME="test_exchange_fanout";
public static void main(String[] args) throws IOException, TimeoutException {
Connection connection = ConnectionUtil.getConnection();
final Channel channel = connection.createChannel();
channel.queueDeclare(QUEUE_NAME,false,false,false,null);
//绑定队列到交换机
channel.queueBind(QUEUE_NAME,EXCHANGE_NAME,"");
channel.basicQos(1);//保证每次只能分发一个
DefaultConsumer defaultConsumer = new DefaultConsumer(channel) {
@Override
public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
super.handleDelivery(consumerTag, envelope, properties, body);
String msg=new String(body,"utf-8");
System.out.println("Receive2"+msg);
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}finally {
System.out.println("[ok2]");
channel.basicAck(envelope.getDeliveryTag(),false);
}
}
};
boolean autoAck=false;
channel.basicConsume(QUEUE_NAME,autoAck,defaultConsumer);
}
}
7、Routing【direct】
一方面接收生产者的消息,另一方面向队列发送消息
Fanout(不处理路由键)
Direct(处理路由键)
7.1、路由模式
7.2、生产者
public class Send {
public static final String EXCHANGE_NAME="test_exchange_direct";
public static void main(String[] args) throws IOException, TimeoutException {
Connection connection = ConnectionUtil.getConnection();
Channel channel = connection.createChannel();
//声明交换机
channel.exchangeDeclare(EXCHANGE_NAME,"direct");
String msg=new String("Hello direct");
String routingKey="warning";
channel.basicPublish(EXCHANGE_NAME,routingKey,null,msg.getBytes());
System.out.println("send"+msg);
channel.close();
connection.close();
}
}
7.3、消费者1
public class Receive1 {
public static final String EXCHANGE_NAME="test_exchange_direct";
public static final String QUEUE_NAME="queue_direct_1";
public static void main(String[] args) throws IOException, TimeoutException {
Connection connection = ConnectionUtil.getConnection();
final Channel channel = connection.createChannel();
//
channel.queueDeclare(QUEUE_NAME,false,false,false,null);
channel.basicQos(1);
channel.queueBind(QUEUE_NAME,EXCHANGE_NAME,"error");
//定义一个消费者
DefaultConsumer consumer = new DefaultConsumer(channel) {
@Override
public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
super.handleDelivery(consumerTag, envelope, properties, body);
String msg=new String(body,"utf-8");
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}finally {
System.out.println("[done]"+msg);
channel.basicAck(envelope.getDeliveryTag(),false);
}
}
};
boolean autoAck=false;//自动应答false
channel.basicConsume(QUEUE_NAME,autoAck,consumer);
}
}
7.3、消费者2
public class Receive2 {
public static final String EXCHANGE_NAME="test_exchange_direct";
public static final String QUEUE_NAME="queue_direct_1";
public static void main(String[] args) throws IOException, TimeoutException {
Connection connection = ConnectionUtil.getConnection();
final Channel channel = connection.createChannel();
//
channel.queueDeclare(QUEUE_NAME,false,false,false,null);
channel.basicQos(1);
channel.queueBind(QUEUE_NAME,EXCHANGE_NAME,"error");
channel.queueBind(QUEUE_NAME,EXCHANGE_NAME,"warning");
channel.queueBind(QUEUE_NAME,EXCHANGE_NAME,"info");
//定义一个消费者
DefaultConsumer consumer = new DefaultConsumer(channel) {
@Override
public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
super.handleDelivery(consumerTag, envelope, properties, body);
String msg=new String(body,"utf-8");
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}finally {
System.out.println("[done]"+msg);
channel.basicAck(envelope.getDeliveryTag(),false);
}
}
};
boolean autoAck=false;//自动应答false
channel.basicConsume(QUEUE_NAME,autoAck,consumer);
}
}
8、Topics Exchange
类似于sql中的模糊查询,
将路由键routing key和某个模式盘匹配
匹配一个或者多个
- *匹配一个
8.1、生产者
public class Send {
private static final String EXCHANGE_NAME="test_exchange_topic";
public static void main(String[] args) throws IOException, TimeoutException {
Connection connection = ConnectionUtil.getConnection();
Channel channel = connection.createChannel();
channel.exchangeDeclare(EXCHANGE_NAME,"topic");
String msg="商品";
channel.basicPublish(EXCHANGE_NAME,"goods.delete",null,msg.getBytes());
System.out.println("---send"+msg);
channel.close();
connection.close();
}
}
8.2、消费者1
public class Receive1 {
public static final String QUEUE_NAME="test_queue_topic_1";
private static final String EXCHANGE_NAME="test_exchange_topic";
public static void main(String[] args) throws IOException, TimeoutException {
Connection connection = ConnectionUtil.getConnection();
final Channel channel = connection.createChannel();
channel.queueDeclare(QUEUE_NAME,false,false,false,null);
//绑定队列到交换机
channel.queueBind(QUEUE_NAME,EXCHANGE_NAME,"goods.add");
channel.basicQos(1);//保证每次只能分发一个
DefaultConsumer defaultConsumer = new DefaultConsumer(channel) {
@Override
public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
super.handleDelivery(consumerTag, envelope, properties, body);
String msg=new String(body,"utf-8");
System.out.println("Receive1"+msg);
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}finally {
System.out.println("[ok]");
channel.basicAck(envelope.getDeliveryTag(),false);
}
}
};
boolean autoAck=false;
channel.basicConsume(QUEUE_NAME,autoAck,defaultConsumer);
}
}
8.2、消费者2
public class Receive2 {
public static final String QUEUE_NAME="test_queue_topic_1=2";
private static final String EXCHANGE_NAME="test_exchange_topic";
public static void main(String[] args) throws IOException, TimeoutException {
Connection connection = ConnectionUtil.getConnection();
final Channel channel = connection.createChannel();
channel.queueDeclare(QUEUE_NAME,false,false,false,null);
//绑定队列到交换机
channel.queueBind(QUEUE_NAME,EXCHANGE_NAME,"goods.#");
channel.basicQos(1);//保证每次只能分发一个
DefaultConsumer defaultConsumer = new DefaultConsumer(channel) {
@Override
public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
super.handleDelivery(consumerTag, envelope, properties, body);
String msg=new String(body,"utf-8");
System.out.println("Receive1"+msg);
try {
Thread.sleep(1000);
} catch (InterruptedException e) {
e.printStackTrace();
}finally {
System.out.println("[ok]");
channel.basicAck(envelope.getDeliveryTag(),false);
}
}
};
boolean autoAck=false;
channel.basicConsume(QUEUE_NAME,autoAck,defaultConsumer);
}
}
9、消息确认机制
在MQ中可以通过持久化数据解决rabbitmq服务器异常的数据丢失问题
生产者将消息发送出去以后,如何知道消息到底有没有到达rabbitmq服务器?
- 方式一:AMQP实现事务机制
- 方式二:Confirm模式
9.1、事务机制
txSelect :用户将当前channel设置成transaction模式
txCommit:用于提交事务
txRollback:回滚事务
生产者
public class TxSend {
private static final String QUEUE_NAME="tx_queue";
public static void main(String[] args) throws IOException, TimeoutException {
Connection connection = ConnectionUtil.getConnection();
Channel channel = connection.createChannel();
String msg="hello autoCommit";
channel.queueDeclare(QUEUE_NAME,false,false,false,null);
try {
channel.txSelect();
channel.basicPublish("",QUEUE_NAME,null,msg.getBytes());
channel.txCommit();
int i=1/0;
System.out.println(msg);
} catch (IOException e) {
channel.txRollback();
System.out.println("error");
e.printStackTrace();
}
channel.close();
connection.close();
}
}
消费者
public class TxReceive1 {
private static final String QUEUE_NAME="tx_queue";
public static void main(String[] args) throws IOException, TimeoutException {
Connection connection = ConnectionUtil.getConnection();
Channel channel = connection.createChannel();
channel.queueDeclare(QUEUE_NAME,false,false,false,null);
channel.basicConsume(QUEUE_NAME,true,new DefaultConsumer(channel){
@Override
public void handleDelivery(String consumerTag, Envelope envelope, AMQP.BasicProperties properties, byte[] body) throws IOException {
super.handleDelivery(consumerTag, envelope, properties, body);
System.out.println("receive"+new String(body,"utf-8"));
}
});
}
}
9.2、生产者Confirm模式
9.2.1、发送单条
public class Send1 {
private static final String QUEUE_NAME="tx_queue";
public static void main(String[] args) throws IOException, TimeoutException, InterruptedException {
Connection connection = ConnectionUtil.getConnection();
Channel channel = connection.createChannel();
channel.queueDeclare(QUEUE_NAME,false,false,false,null);
//设置为confirm模式
channel.confirmSelect();
String msg="confirm_text";
channel.basicPublish("",QUEUE_NAME,null,msg.getBytes());
if (!channel.waitForConfirms()){
System.out.println("send message failed");
}else {
System.out.println("success");
}
channel.close();
connection.close();
}
}
9.2.2、批量发送
public class SendMore {
private static final String QUEUE_NAME="confirm_queue";
public static void main(String[] args) throws IOException, TimeoutException, InterruptedException {
Connection connection = ConnectionUtil.getConnection();
Channel channel = connection.createChannel();
channel.queueDeclare(QUEUE_NAME,false,false,false,null);
//设置为confirm模式
channel.confirmSelect();
String msg="confirm_text";
channel.basicPublish("",QUEUE_NAME,null,msg.getBytes());
//主要进行遍历发送,串行的【发送完之后在进行确认】
for (int i = 0; i <10 ; i++) {
channel.basicPublish("",QUEUE_NAME,null,msg.getBytes());
}
if (!channel.waitForConfirms()){
System.out.println("send message failed");
}else {
System.out.println("success");
}
channel.close();
connection.close();
}
}
9.3、异步模式
10、参数详解
10.1、queueDeclare
//绑定channel与消息队列
//参数一:队列名称【如果不存在该队列,则自动创建】
//参数二:durable【是否要进行持久化】
//参数三:exclusive【是否独占队列】
//参数四:是否在消费完成之后是否要立即删除队列【true:自动删除】【false:不自动删除】
//参数五:额外参数
channel.QueueDeclare(name, durable, autoDelete, exclusive, noWait, args);
channel.queueDeclare("helloWorld",false,false,false,null);
10.2、basicPublish
//发布消息
/*
* 参数1:【exchange】交换机名称
* 参数2:【routingKey】队列名称
* 参数3:【props】传递消息的额外设置
* 参数4:传递消息的具体内容【byte类型】
*
* */
channel.basicPublish("","helloWorld",null,"hello rabbitMQ".getBytes());
10.3、basicConsume
//消费信息
/*
* 参数一:队列名称
* 参数二:开启消息的自动确认机制
* 参数三:消费时的回调接口
* */
channel.basicConsume("helloWorld",true,consumer);
11、整合Boot
11.1、依赖导入
org.springframework.boot
spring-boot-starter-amqp
2.2.6.RELEASE
11.2、yml
spring:
application:
name: rabbit-springboot
rabbitmq:
host: 192.168.168.130
port: 5672
virtual-host: /
username: lgz
password: pwd123456
11.3boottest
@Autowired
private RabbitTemplate rabbitTemplate;
@Test
void contextLoads() {
rabbitTemplate.convertAndSend("hello","helloWorld");
System.out.println(1);
}
11.4、
@SpringBootTest
class BootRabbitmqApplicationTests {
@Autowired
private RabbitTemplate rabbitTemplate;
@Test
void contextLoads() {
rabbitTemplate.convertAndSend("hello","helloWorld");
System.out.println(1);
}
@Test
public void testWork(){
for (int i = 0; i <5 ; i++) {
rabbitTemplate.convertAndSend("work","work模型");
}
}
@Test
public void testFanout(){
rabbitTemplate.convertAndSend("logs","","Fanout model");
}
@Test
public void testRouting(){
rabbitTemplate.convertAndSend("directs","info","info_key_routing_information");
}
@Test
public void testTopic(){
rabbitTemplate.convertAndSend("topics","user.save","user.save exchange");
}
}
11.5、测试topic[消费者]
@RabbitListener(bindings = {
@QueueBinding(
value = @Queue,
exchange = @Exchange(type = "topic",name = "topics"),
key = {"product.save","product.*"}
)
})
public void receive(String msg){
System.out.println("consumer1"+msg);
}
@RabbitListener(bindings = {
@QueueBinding(
value = @Queue,
exchange = @Exchange(type = "topic",name = "topics"),
key = {"user.save","user.*"}
)
})
public void receive2(String msg){
System.out.println("consumer2"+msg);
}
11.5、测试routing
@RabbitListener(bindings = {
@QueueBinding(
value = @Queue,
exchange = @Exchange(value = "directs",type = "direct"),
key = {"info","error"}
)
})
public void receive1(String msg){
System.out.println(msg);
}
11.6、普通的work
@RabbitListener(queuesToDeclare = @Queue("work"))
public void receive(String message){
System.out.println("message:["+message+"]");
}
11.7、Fanout模式
@RabbitListener(bindings = {
@QueueBinding(
value = @Queue, //创建临时队列
exchange =@Exchange(value = "logs", type = "fanout") //绑定的交换机
)
})
public void receive1(String msg){
System.out.println("["+msg+"]");
}
11.8、Simple
@Component
@RabbitListener(queuesToDeclare = @Queue("hello"))
public class Hello {
@RabbitHandler
public void receive1(String message){
System.out.println("message"+message);
}
}