1.建立springboot项目,并引入依赖
打开idea,点击File-New-Project,选择下图红色框中的
点击Next,出现下图,可以改名,也可以不改,我的是改了名字的
然后点击下一步,在搜索框输入rabbit
选择红色框中的选项,然后在选择右侧的Messageing,将Spring for RabbitMQ打上对勾。这样springboot会把rabbitmq的依赖自动导入
最后生成的依赖项是对的,但是我没有在test文件夹下的测试类中,是在src的路径写的测试,还需要一些其他依赖。pom文件全部依赖如下
<dependencies>
<dependency>
<groupId>com.rabbitmq</groupId>
<artifactId>amqp-client</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-test</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
</dependency>
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-amqp</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.springframework.amqp</groupId>
<artifactId>spring-rabbit-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
2.编写配置文件
#ip地址和端口号
spring.rabbitmq.addresses=192.168.157.129:5672
#登录rabbit的账号和密码
spring.rabbitmq.username=zhao
spring.rabbitmq.password=123
#虚拟机器名称
spring.rabbitmq.virtual-host=/
spring.rabbitmq.connection-timeout=15000
#监听这设置
spring.rabbitmq.listener.simple.acknowledge-mode=manual
spring.rabbitmq.listener.simple.concurrency=5
spring.rabbitmq.listener.simple.max-concurrency=10
#队列交换机设置
spring.rabbitmq.listener.order.queue.name = queue-2
spring.rabbitmq.listener.order.queue.durable=true
spring.rabbitmq.listener.order.exchange.name=exchange-2
spring.rabbitmq.listener.order.exchange.durable=true
spring.rabbitmq.listener.order.exchange.type=topic
spring.rabbitmq.listener.order.exchange.ignoreDeclarationExceptions=true
spring.rabbitmq.listener.order.key=springboot.*
例子概图
3.消费者
package com.example.demo.consumer;
import com.rabbitmq.client.Channel;
import org.springframework.amqp.rabbit.annotation.*;
import org.springframework.amqp.support.AmqpHeaders;
import org.springframework.messaging.Message;
import org.springframework.messaging.handler.annotation.Headers;
import org.springframework.messaging.handler.annotation.Payload;
import org.springframework.stereotype.Component;
import java.util.Map;
@Component
public class RabbitRecever {
@RabbitListener(bindings = @QueueBinding(
value = @Queue(value = "queue-1", declare = "true"),
exchange = @Exchange(value = "exchange-1",
declare = "true",
durable = "true", type = "topic",
ignoreDeclarationExceptions = "true"),
key = "springboot.*"
)
)
@RabbitHandler
public void onMessage(Message message, Channel channel) throws Exception {
System.out.println("-----------------------------------------");
System.out.println("消费端Payload:" + message.getPayload());
long deliveryTag = (Long) message.getHeaders().get(AmqpHeaders.DELIVERY_TAG);
//手工ack
channel.basicAck(deliveryTag, false);
}
// spring.rabbitmq.listener.order.queue.name = queue-1
// spring.rabbitmq.listener.order.queue.durable=true
// spring.rabbitmq.listener.order.exchange.name=exchange-1
// spring.rabbitmq.listener.order.exchange.durable=true
// spring.rabbitmq.listener.order.exchange.type=topic
// spring.rabbitmq.listener.order.exchange.ignoreDeclarationExceptions=true
// spring.rabbitmq.listener.order.key=springboot.*
@RabbitListener(bindings = @QueueBinding(
value = @Queue(value = "${spring.rabbitmq.listener.order.queue.name}",
declare = "${spring.rabbitmq.listener.order.queue.durable}"),
exchange = @Exchange(value = "${spring.rabbitmq.listener.order.exchange.name}",
durable = "${spring.rabbitmq.listener.order.exchange.durable}",
type = "${spring.rabbitmq.listener.order.exchange.type}",
ignoreDeclarationExceptions = "${spring.rabbitmq.listener.order.exchange.ignoreDeclarationExceptions}"),
key = "${spring.rabbitmq.listener.order.key}"
)
)
@RabbitHandler
public void onOrderMessage(@Payload com.example.demo.entity.Order order, Channel channel,
@Headers Map<String, Object> headers) throws Exception {
System.out.println("-----------------------------------------");
System.out.println("消费端order:" + order.getId());
long deliveryTag = (Long) headers.get(AmqpHeaders.DELIVERY_TAG);
//手工ack
channel.basicAck(deliveryTag, false);
}
}
4.生产者
package com.example.demo;
import com.example.demo.entity.Order;
import org.springframework.amqp.rabbit.connection.CorrelationData;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.amqp.rabbit.core.RabbitTemplate.ConfirmCallback;
import org.springframework.amqp.rabbit.core.RabbitTemplate.ReturnCallback;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.messaging.Message;
import org.springframework.messaging.MessageHeaders;
import org.springframework.messaging.support.MessageBuilder;
import org.springframework.stereotype.Component;
import java.util.Map;
@Component
public class RabbitSender {
//自动注入RabbitTemplate模板类
@Autowired
private RabbitTemplate rabbitTemplate;
//回调函数: confirm确认
final ConfirmCallback confirmCallback = new ConfirmCallback() {
@Override
public void confirm(CorrelationData correlationData, boolean ack, String cause) {
System.err.println("correlationData: " + correlationData);
System.err.println("ack: " + ack);
if(!ack){
System.err.println("异常处理....");
}
}
};
//回调函数: return返回
final ReturnCallback returnCallback = new ReturnCallback() {
@Override
public void returnedMessage(org.springframework.amqp.core.Message message, int replyCode, String replyText,
String exchange, String routingKey) {
System.err.println("return exchange: " + exchange + ", routingKey: "
+ routingKey + ", replyCode: " + replyCode + ", replyText: " + replyText);
}
};
//发送消息方法调用: 构建Message消息
public void send(Object message, Map<String, Object> properties) throws Exception {
MessageHeaders mhs = new MessageHeaders(properties);
Message msg = MessageBuilder.createMessage(message, mhs);
rabbitTemplate.setConfirmCallback(confirmCallback);
rabbitTemplate.setReturnCallback(returnCallback);
//id + 时间戳 全局唯一
CorrelationData correlationData = new CorrelationData("1234567890");
rabbitTemplate.convertAndSend("exchange-1", "springboot.abc", msg, correlationData);
System.out.println("发送了!");
}
//发送消息方法调用: 构建自定义对象消息
public void sendOrder(Order order) throws Exception {
rabbitTemplate.setConfirmCallback(confirmCallback);
rabbitTemplate.setReturnCallback(returnCallback);
//id + 时间戳 全局唯一
CorrelationData correlationData = new CorrelationData("0987654321");
rabbitTemplate.convertAndSend("exchange-2", "springboot.def", order, correlationData);
}
}
5.实体
package com.example.demo.entity;
import java.io.Serializable;
public class Order implements Serializable {
private String id;
private String name;
public Order() {
}
public Order(String id, String name) {
super();
this.id = id;
this.name = name;
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}
6.测试类
package com.example.demo;
import com.example.demo.entity.Order;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.test.context.junit4.SpringRunner;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
@RunWith(SpringRunner.class)
@SpringBootTest
public class ApplicationTests {
@Test
public void contextLoads(){
}
@Autowired
private RabbitSender rabbitSender;
private SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
@Test
public void testSender1() throws Exception{
Map<String ,Object> properties = new HashMap<>();
properties.put("number","12345");
properties.put("send_time",simpleDateFormat.format(new Date()));
rabbitSender.send("你好!",properties);
System.out.println("成功了!");
}
@Test
public void testSender2() throws Exception{
Order order = new Order("001","你好,哈哈!");
rabbitSender.sendOrder(order);
System.out.println("成功了!");
}
}
建立晚上后,运行测试类中的方法即可。