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RabbitMQ简单应用の简单队列

（1）首先创建一个maven项目：

pom.xml，重点是配置RabbitMQ

  1     <dependencies>
  2         <dependency>
  3             <groupId>junit</groupId>
  4             <artifactId>junit</artifactId>
  5             <version>4.11</version>
  6             <!-- 表示开发的时候引入，发布的时候不会加载此包 -->
  7             <scope>test</scope>
  8         </dependency>
  9         <!-- spring核心包 -->
 10         <dependency>
 11             <groupId>org.springframework</groupId>
 12             <artifactId>spring-core</artifactId>
 13             <version>${spring.version}</version>
 14         </dependency>
 15 
 16         <dependency>
 17             <groupId>org.springframework</groupId>
 18             <artifactId>spring-web</artifactId>
 19             <version>${spring.version}</version>
 20         </dependency>
 21         <dependency>
 22             <groupId>org.springframework</groupId>
 23             <artifactId>spring-oxm</artifactId>
 24             <version>${spring.version}</version>
 25         </dependency>
 26         <dependency>
 27             <groupId>org.springframework</groupId>
 28             <artifactId>spring-tx</artifactId>
 29             <version>${spring.version}</version>
 30         </dependency>
 31 
 32         <dependency>
 33             <groupId>org.springframework</groupId>
 34             <artifactId>spring-jdbc</artifactId>
 35             <version>${spring.version}</version>
 36         </dependency>
 37 
 38         <dependency>
 39             <groupId>org.springframework</groupId>
 40             <artifactId>spring-webmvc</artifactId>
 41             <version>${spring.version}</version>
 42         </dependency>
 43         <dependency>
 44             <groupId>org.springframework</groupId>
 45             <artifactId>spring-aop</artifactId>
 46             <version>${spring.version}</version>
 47         </dependency>
 48 
 49         <dependency>
 50             <groupId>org.springframework</groupId>
 51             <artifactId>spring-context-support</artifactId>
 52             <version>${spring.version}</version>
 53         </dependency>
 54 
 55         <dependency>
 56             <groupId>org.springframework</groupId>
 57             <artifactId>spring-test</artifactId>
 58             <version>${spring.version}</version>
 59         </dependency>
 60         <!-- mybatis核心包 -->
 61         <dependency>
 62             <groupId>org.mybatis</groupId>
 63             <artifactId>mybatis</artifactId>
 64             <version>${mybatis.version}</version>
 65         </dependency>
 66         <!-- mybatis/spring包 -->
 67         <dependency>
 68             <groupId>org.mybatis</groupId>
 69             <artifactId>mybatis-spring</artifactId>
 70             <version>1.2.2</version>
 71         </dependency>
 72         <!-- 导入java ee jar 包 -->
 73         <dependency>
 74             <groupId>javax</groupId>
 75             <artifactId>javaee-api</artifactId>
 76             <version>7.0</version>
 77         </dependency>
 78         <!-- 导入Mysql数据库链接jar包 -->
 79         <dependency>
 80             <groupId>mysql</groupId>
 81             <artifactId>mysql-connector-java</artifactId>
 82             <version>5.1.30</version>
 83         </dependency>
 84         <!-- 导入dbcp的jar包，用来在applicationContext.xml中配置数据库 -->
 85         <dependency>
 86             <groupId>commons-dbcp</groupId>
 87             <artifactId>commons-dbcp</artifactId>
 88             <version>1.2.2</version>
 89         </dependency>
 90         <!-- JSTL标签类 -->
 91         <dependency>
 92             <groupId>jstl</groupId>
 93             <artifactId>jstl</artifactId>
 94             <version>1.2</version>
 95         </dependency>
 96         <!-- 日志文件管理包 -->
 97         <!-- log start -->
 98         <dependency>
 99             <groupId>log4j</groupId>
100             <artifactId>log4j</artifactId>
101             <version>${log4j.version}</version>
102         </dependency>
103 
104 
105         <!-- 格式化对象，方便输出日志 -->
106         <dependency>
107             <groupId>com.alibaba</groupId>
108             <artifactId>fastjson</artifactId>
109             <version>1.1.41</version>
110         </dependency> 
111         <dependency>
112             <groupId>org.slf4j</groupId>
113             <artifactId>slf4j-api</artifactId>
114             <version>${slf4j.version}</version>
115         </dependency>
116         <dependency>
117             <groupId>net.sf.json-lib</groupId>
118             <artifactId>json-lib</artifactId>
119             <version>2.4</version>
120             <classifier>jdk15</classifier>
121         </dependency>
122         <!-- https://mvnrepository.com/artifact/org.apache.ant/ant -->
123         <dependency>
124             <groupId>org.apache.ant</groupId>
125             <artifactId>ant</artifactId>
126             <version>1.8.2</version>
127         </dependency>
128         <dependency>
129             <groupId>org.slf4j</groupId>
130             <artifactId>slf4j-log4j12</artifactId>
131             <version>${slf4j.version}</version>
132         </dependency>
133         <!-- log end -->
134         <!-- 映入JSON -->
135         <dependency>
136             <groupId>org.codehaus.jackson</groupId>
137             <artifactId>jackson-mapper-asl</artifactId>
138             <version>1.9.13</version>
139         </dependency>
140         <!-- 上传组件包 -->
141         <dependency>
142             <groupId>commons-fileupload</groupId>
143             <artifactId>commons-fileupload</artifactId>
144             <version>1.3.1</version>
145         </dependency>
146         <dependency>
147             <groupId>commons-io</groupId>
148             <artifactId>commons-io</artifactId>
149             <version>2.4</version>
150         </dependency>
151         <dependency>
152             <groupId>commons-codec</groupId>
153             <artifactId>commons-codec</artifactId>
154             <version>1.9</version>
155         </dependency>
156         <dependency>
157             <groupId>net.sourceforge.jexcelapi</groupId>
158             <artifactId>jxl</artifactId>
159             <version>2.6.12</version>
160         </dependency> 
161         <!-- https://mvnrepository.com/artifact/org.json/json -->
162         <dependency>
163             <groupId>org.json</groupId>
164             <artifactId>json</artifactId>
165             <version>20171018</version>
166         </dependency>
167         <dependency>
168             <groupId>com.sun.jna</groupId>
169             <artifactId>jna</artifactId>
170             <version>3.0.9</version>
171         </dependency>
172         <dependency>
173             <groupId>com.examples</groupId>
174             <artifactId>examples</artifactId>
175             <version>1.1.2</version>
176         </dependency>
177         <dependency>
178             <groupId>com.rabbitmq</groupId>
179             <artifactId>amqp-client</artifactId>
180             <version>3.5.1</version>
181         </dependency>
182         <dependency>
183             <groupId>org.springframework.amqp</groupId>
184             <artifactId>spring-rabbit</artifactId>
185             <version>1.4.5.RELEASE</version>
186         </dependency>
187     </dependencies>

View Code

项目结构：

（1）首先创建获取MQ的链接工厂ConnectionUtils

 1 package com.mmr.rabbitmq.util;
 2 
 3 import java.io.IOException;
 4 
 5 import com.rabbitmq.client.Connection;
 6 import com.rabbitmq.client.ConnectionFactory;
 7 
 8 public class ConnectionUtils {
 9     /**
10      * @desc 获取Mq 的链接
11      * @author zp
12      * @throws IOException 
13      * @date 2018-7-19
14      */
15     public static  Connection getConnection() throws IOException {
16         // 1.定义一个链接工厂
17         ConnectionFactory factroy = new ConnectionFactory();
18         
19         // 2.设置服务地址
20         factroy.setHost("127.0.0.1");
21         
22         // 3.设置端口号
23         factroy.setPort(5672);
24         
25         // 4.vhost  设置数据库
26         factroy.setVirtualHost("vhtest");
27         
28         // 5.设置用户名
29         factroy.setUsername("jerry");
30         
31         // 6. 设置密码
32         factroy.setPassword("123456");
33         
34         // 7.返回链接
35         return factroy.newConnection();
36     }
37 }

View Code

（2）其次创建消息生产者Send，这里消息生产者每发送一次消息，我们就可以通过rabbitmq（http://localhost:15672）的服务Queues进行查看

 1 package com.mmr.rabbitmq.simple;
 2 
 3 import java.io.IOException;
 4 
 5 import com.mmr.rabbitmq.util.ConnectionUtils;
 6 import com.rabbitmq.client.Channel;
 7 import com.rabbitmq.client.Connection;
 8 
 9 public class Send {
10     private static final String QUEUE_NAME = "test_simple_queue";
11     public static void main(String[] args) throws IOException {
12         // 1.获取一个链接
13         Connection connection = ConnectionUtils.getConnection();
14         
15         // 2.获取一个通道
16         Channel channel = connection.createChannel();
17     
18         // 3.创建队列 创建队列声明
19         channel.queueDeclare(QUEUE_NAME, false, false, false, null);
20     
21         // 
22         String msg = "hello simple";
23         
24         channel.basicPublish("", QUEUE_NAME, null, msg.getBytes());
25         
26         System.out.println("---send msg :"+msg);
27         
28         channel.close();
29         
30         connection.close();
31     }
32 }

View Code

（3）最后创建消息消费者Recv，这里我们通过while循环可以获取每次rabbitmq（http://localhost:15672）的服务Queues接收到消息（方法一）

 1 package com.mmr.rabbitmq.simple;
 2 
 3 import java.io.IOException;
 4 
 5 import com.mmr.rabbitmq.util.ConnectionUtils;
 6 import com.rabbitmq.client.Channel;
 7 import com.rabbitmq.client.Connection;
 8 import com.rabbitmq.client.ConsumerCancelledException;
 9 import com.rabbitmq.client.QueueingConsumer;
10 import com.rabbitmq.client.QueueingConsumer.Delivery;
11 import com.rabbitmq.client.ShutdownSignalException;
12 
13 /**
14  * @desc 消费者获取消息
15  * @author zp
16  * @date 2018-7-19 
17  */
18 public class Recv {
19     private static final String QUEUE_NAME = "test_simple_queue";
20     public static void main(String[] args) throws IOException, ShutdownSignalException, ConsumerCancelledException, InterruptedException {
21         // 获取链接
22         Connection  connection = ConnectionUtils.getConnection();
23         
24         // 创建通道
25         Channel channel = connection.createChannel();
26         
27         // 定义队列消费者
28         QueueingConsumer consumer = new QueueingConsumer(channel);
29         
30         // 监听队列
31         channel.basicConsume(QUEUE_NAME, true, consumer);
32         
33         while (true) {
34             Delivery delivery = consumer.nextDelivery();// 下一个到达的
35             
36             String msgString = new String(delivery.getBody()); 
37             
38             System.out.println("[recv] msg:"+msgString);
39         }
40     }
41 }

View Code

（3）最后创建消息消费者Recv，这里我们通过while循环可以获取每次rabbitmq（http://localhost:15672）的服务Queues接收到消息（方法二）

 1 package com.mmr.rabbitmq.simple;
 2 
 3 import java.io.IOException;
 4 
 5 import com.mmr.rabbitmq.util.ConnectionUtils;
 6 import com.rabbitmq.client.Channel;
 7 import com.rabbitmq.client.Connection;
 8 import com.rabbitmq.client.ConsumerCancelledException;
 9 import com.rabbitmq.client.DefaultConsumer;
10 import com.rabbitmq.client.Envelope;
11 import com.rabbitmq.client.QueueingConsumer;
12 import com.rabbitmq.client.AMQP.BasicProperties;
13 import com.rabbitmq.client.QueueingConsumer.Delivery;
14 import com.rabbitmq.client.ShutdownSignalException;
15 
16 /**
17  * @desc 消费者获取消息
18  * @author zp
19  * @date 2018-7-19 
20  */
21 public class Recv {
22     private static final String QUEUE_NAME = "test_simple_queue";
23 
24     public static void main(String[] args) throws IOException{
25         // 获取链接
26         Connection connection = ConnectionUtils.getConnection();
27         
28         // 获取通道
29         Channel channel = connection.createChannel();
30         
31         // 队列声明
32         channel.queueDeclare(QUEUE_NAME, false, false, false, null);
33         
34         // 定义消费者
35         DefaultConsumer consumer = new DefaultConsumer(channel){
36             // 获取到到达的消息
37             @Override
38             public void handleDelivery(String consumerTag, Envelope envelope,
39                     BasicProperties properties, byte[] body) throws IOException {
40                 // TODO Auto-generated method stub
41                 //super.handleDelivery(consumerTag, envelope, properties, body);
42                 String msg = new String(body,"utf-8");
43                 System.out.println("new api recv:"+msg);
44             }
45         };
46         // 监听队列
47         channel.basicConsume(QUEUE_NAME, true,consumer);
48         
49         
50         
51     } 
52 }

View Code

这样一个简单的队列应用就完成了。

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原文地址：https://www.cnblogs.com/pengpengzhang/p/9334779.html