feat: 新增rocketmq单点、集群版本

2025-02-26 19:58:27 +08:00
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+# RocketMQ 单实例版
+
+https://rocketmq.apache.org/zh/docs/4.x/quickstart/01quickstart
+
+### 部署方式
+
+```shell
+sh install.sh
+```
+
+### Maven依赖
+
+```xml
+
+<dependency>
+    <groupId>org.apache.rocketmq</groupId>
+    <artifactId>rocketmq-client</artifactId>
+    <version>4.9.6</version>
+</dependency>
+```
+
+### 生产者 官方示例
+
+```java
+import org.apache.rocketmq.client.producer.DefaultMQProducer;
+import org.apache.rocketmq.client.producer.SendResult;
+import org.apache.rocketmq.common.message.Message;
+
+public class ProducerExample {
+    public static void main(String[] args) throws Exception {
+        // 创建生产者实例，并设置生产者组名
+        DefaultMQProducer producer = new DefaultMQProducer("please_rename_unique_group_name");
+        // 设置 Name Server 地址，此处为示例，实际使用时请替换为真实的 Name Server 地址
+        producer.setNamesrvAddr("localhost:9876");
+        producer.start();
+
+        try {
+            // 创建消息实例，指定 topic、Tag和消息体
+            Message msg = new Message("TestTopic", "TagA", ("Hello RocketMQ").getBytes());
+            // 发送消息并获取发送结果
+            SendResult sendResult = producer.send(msg);
+            System.out.println("Message sent: " + new String(msg.getBody()));
+            System.out.println("Send result: " + sendResult);
+        } catch (Exception e) {
+            e.printStackTrace();
+            System.out.println("Message sending failed.");
+        } finally {
+            // 关闭生产者
+            producer.shutdown();
+        }
+    }
+}
+```
+
+### 消费者 官方示例
+
+```java
+import org.apache.rocketmq.client.consumer.DefaultMQPushConsumer;
+import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyContext;
+import org.apache.rocketmq.client.consumer.listener.ConsumeConcurrentlyStatus;
+import org.apache.rocketmq.client.consumer.listener.MessageListenerConcurrently;
+import org.apache.rocketmq.common.message.MessageExt;
+
+import java.util.List;
+
+public class ConsumerExample {
+    public static void main(String[] args) throws Exception {
+        // 创建消费者实例，并设置消费者组名
+        DefaultMQPushConsumer consumer = new DefaultMQPushConsumer("please_rename_unique_group_name");
+        // 设置 Name Server 地址，此处为示例，实际使用时请替换为真实的 Name Server 地址
+        consumer.setNamesrvAddr("localhost:9876");
+        // 订阅指定的主题和标签（* 表示所有标签）
+        consumer.subscribe("TestTopic", "*");
+
+        // 注册消息监听器
+        consumer.registerMessageListener(new MessageListenerConcurrently() {
+            @Override
+            public ConsumeConcurrentlyStatus consumeMessage(List<MessageExt> msgs, ConsumeConcurrentlyContext context) {
+                for (MessageExt msg : msgs) {
+                    System.out.println("Received message: " + new String(msg.getBody()));
+                }
+                return ConsumeConcurrentlyStatus.CONSUME_SUCCESS;
+            }
+        });
+
+        // 启动消费者
+        consumer.start();
+        System.out.println("Consumer started.");
+    }
+}
+```
+
+### 访问地址
+
+访问地址：http://192.168.235.104:8080
+
+### 示例
+
+![demo](demo.png)
+