{"id":2161,"date":"2023-04-02T13:35:25","date_gmt":"2023-04-02T05:35:25","guid":{"rendered":"https:\/\/www.appblog.cn\/?p=2161"},"modified":"2023-04-05T13:17:40","modified_gmt":"2023-04-05T05:17:40","slug":"introduction-and-application-scenarios-of-7-queue-patterns-in-rabbitmq","status":"publish","type":"post","link":"https:\/\/www.appblog.cn\/index.php\/2023\/04\/02\/introduction-and-application-scenarios-of-7-queue-patterns-in-rabbitmq\/","title":{"rendered":"RabbitMQ\u4e03\u79cd\u961f\u5217\u6a21\u5f0f\u4ecb\u7ecd\u4e0e\u5e94\u7528\u573a\u666f\uff08\u901a\u4fd7\u6613\u61c2\uff09"},"content":{"rendered":"

\u4e03\u79cd\u6a21\u5f0f\u4ecb\u7ecd\u4e0e\u5e94\u7528\u573a\u666f<\/h2>\n

\u7b80\u5355\u6a21\u5f0f\uff08Hello World\uff09<\/h3>\n

\"RabbitMQ\u7b80\u5355\u6a21\u5f0f\"<\/p>\n

<\/p>\n

\u505a\u6700\u7b80\u5355\u7684\u4e8b\u60c5<\/strong>\uff0c\u4e00\u4e2a\u751f\u4ea7\u8005\u5bf9\u5e94\u4e00\u4e2a\u6d88\u8d39\u8005\uff0cRabbitMQ\u76f8\u5f53\u4e8e\u4e00\u4e2a\u6d88\u606f\u4ee3\u7406\uff0c\u8d1f\u8d23\u5c06A\u7684\u6d88\u606f\u8f6c\u53d1\u7ed9B
\n\u5e94\u7528\u573a\u666f<\/strong>\uff1a\u5c06\u53d1\u9001\u7684\u7535\u5b50\u90ae\u4ef6\u653e\u5230\u6d88\u606f\u961f\u5217\uff0c\u7136\u540e\u90ae\u4ef6\u670d\u52a1\u5728\u961f\u5217\u4e2d\u83b7\u53d6\u90ae\u4ef6\u5e76\u53d1\u9001\u7ed9\u6536\u4ef6\u4eba<\/p>\n

\u5de5\u4f5c\u961f\u5217\u6a21\u5f0f\uff08Work queues\uff09<\/h3>\n

\"RabbitMQ\u5de5\u4f5c\u961f\u5217\u6a21\u5f0f\"<\/p>\n

\u5728\u591a\u4e2a\u6d88\u8d39\u8005\u4e4b\u95f4\u5206\u914d\u4efb\u52a1\uff08\u7ade\u4e89\u7684\u6d88\u8d39\u8005\u6a21\u5f0f\uff09<\/strong>\uff0c\u4e00\u4e2a\u751f\u4ea7\u8005\u5bf9\u5e94\u591a\u4e2a\u6d88\u8d39\u8005\uff0c\u4e00\u822c\u9002\u7528\u4e8e\u6267\u884c\u8d44\u6e90\u5bc6\u96c6\u578b\u4efb\u52a1\uff0c\u5355\u4e2a\u6d88\u8d39\u8005\u5904\u7406\u4e0d\u8fc7\u6765\uff0c\u9700\u8981\u591a\u4e2a\u6d88\u8d39\u8005\u8fdb\u884c\u5904\u7406
\n\u5e94\u7528\u573a\u666f<\/strong>\uff1a\u4e00\u4e2a\u8ba2\u5355\u7684\u5904\u7406\u9700\u898110s\uff0c\u6709\u591a\u4e2a\u8ba2\u5355\u53ef\u4ee5\u540c\u65f6\u653e\u5230\u6d88\u606f\u961f\u5217\uff0c\u7136\u540e\u8ba9\u591a\u4e2a\u6d88\u8d39\u8005\u540c\u65f6\u5904\u7406\uff0c\u8fd9\u6837\u5c31\u662f\u5e76\u884c\u4e86\uff0c\u800c\u4e0d\u662f\u5355\u4e2a\u6d88\u8d39\u8005\u7684\u4e32\u884c\u60c5\u51b5<\/p>\n

\u8ba2\u9605\u6a21\u5f0f\uff08Publish\/Subscribe\uff09<\/h3>\n

\"RabbitMQ\u8ba2\u9605\u6a21\u5f0f\"<\/p>\n

\u4e00\u6b21\u5411\u8bb8\u591a\u6d88\u8d39\u8005\u53d1\u9001\u6d88\u606f<\/strong>\uff0c\u4e00\u4e2a\u751f\u4ea7\u8005\u53d1\u9001\u7684\u6d88\u606f\u4f1a\u88ab\u591a\u4e2a\u6d88\u8d39\u8005\u83b7\u53d6\uff0c\u4e5f\u5c31\u662f\u5c06\u6d88\u606f\u5c06\u5e7f\u64ad\u5230\u6240\u6709\u7684\u6d88\u8d39\u8005\u4e2d\u3002
\n\u5e94\u7528\u573a\u666f<\/strong>\uff1a\u66f4\u65b0\u5546\u54c1\u5e93\u5b58\u540e\u9700\u8981\u901a\u77e5\u591a\u4e2a\u7f13\u5b58\u548c\u591a\u4e2a\u6570\u636e\u5e93\uff0c\u8fd9\u91cc\u7684\u7ed3\u6784\u5e94\u8be5\u662f\uff1a<\/p>\n

    \n
  • \u4e00\u4e2afanout\u7c7b\u578b\u4ea4\u6362\u673a\u6247\u51fa\u4e24\u4e2a\u6d88\u606f\u961f\u5217\uff0c\u5206\u522b\u4e3a\u7f13\u5b58\u6d88\u606f\u961f\u5217\u3001\u6570\u636e\u5e93\u6d88\u606f\u961f\u5217<\/li>\n
  • \u4e00\u4e2a\u7f13\u5b58\u6d88\u606f\u961f\u5217\u5bf9\u5e94\u7740\u591a\u4e2a\u7f13\u5b58\u6d88\u8d39\u8005<\/li>\n
  • \u4e00\u4e2a\u6570\u636e\u5e93\u6d88\u606f\u961f\u5217\u5bf9\u5e94\u7740\u591a\u4e2a\u6570\u636e\u5e93\u6d88\u8d39\u8005<\/li>\n<\/ul>\n

    \u8def\u7531\u6a21\u5f0f\uff08Routing\uff09<\/h3>\n

    \"RabbitMQ\u8def\u7531\u6a21\u5f0f\"<\/p>\n

    \u6709\u9009\u62e9\u5730\uff08Routing key\uff09\u63a5\u6536\u6d88\u606f<\/strong>\uff0c\u53d1\u9001\u6d88\u606f\u5230\u4ea4\u6362\u673a\u5e76\u4e14\u8981\u6307\u5b9a\u8def\u7531key \uff0c\u6d88\u8d39\u8005\u5c06\u961f\u5217\u7ed1\u5b9a\u5230\u4ea4\u6362\u673a\u65f6\u9700\u8981\u6307\u5b9a\u8def\u7531key\uff0c\u4ec5\u6d88\u8d39\u6307\u5b9a\u8def\u7531key\u7684\u6d88\u606f
    \n\u5e94\u7528\u573a\u666f<\/strong>\uff1a\u5982\u5728\u5546\u54c1\u5e93\u5b58\u4e2d\u589e\u52a0\u4e861\u53f0iphone12\uff0ciphone12\u4fc3\u9500\u6d3b\u52a8\u6d88\u8d39\u8005\u6307\u5b9arouting key\u4e3aiphone12\uff0c\u53ea\u6709\u6b64\u4fc3\u9500\u6d3b\u52a8\u4f1a\u63a5\u6536\u5230\u6d88\u606f\uff0c\u5176\u5b83\u4fc3\u9500\u6d3b\u52a8\u4e0d\u5173\u5fc3\u4e5f\u4e0d\u4f1a\u6d88\u8d39\u6b64routing key\u7684\u6d88\u606f<\/p>\n

    \u4e3b\u9898\u6a21\u5f0f\uff08Topics\uff09<\/h3>\n

    \"RabbitMQ\u4e3b\u9898\u6a21\u5f0f\"<\/p>\n

    \u6839\u636e\u4e3b\u9898\uff08Topics\uff09\u6765\u63a5\u6536\u6d88\u606f<\/strong>\uff0c\u5c06\u8def\u7531key\u548c\u67d0\u6a21\u5f0f\u8fdb\u884c\u5339\u914d\uff0c\u6b64\u65f6\u961f\u5217\u9700\u8981\u7ed1\u5b9a\u5728\u4e00\u4e2a\u6a21\u5f0f\u4e0a\uff0c#<\/code>\u5339\u914d\u4e00\u4e2a\u8bcd\u6216\u591a\u4e2a\u8bcd\uff0c*<\/code>\u53ea\u5339\u914d\u4e00\u4e2a\u8bcd
    \n\u5e94\u7528\u573a\u666f<\/strong>\uff1a\u540c\u4e0a\uff0ciphone\u4fc3\u9500\u6d3b\u52a8\u53ef\u4ee5\u63a5\u6536\u4e3b\u9898\u4e3aiphone\u7684\u6d88\u606f\uff0c\u5982iphone12\u3001iphone13\u7b49<\/p>\n

    \u8fdc\u7a0b\u8fc7\u7a0b\u8c03\u7528\uff08RPC\uff09<\/h3>\n

    \"RabbitMQ\u8fdc\u7a0b\u8fc7\u7a0b\u8c03\u7528\"<\/p>\n

    \u5982\u679c\u6211\u4eec\u9700\u8981\u5728\u8fdc\u7a0b\u8ba1\u7b97\u673a\u4e0a\u8fd0\u884c\u529f\u80fd\u5e76\u7b49\u5f85\u7ed3\u679c\u5c31\u53ef\u4ee5\u4f7f\u7528RPC\uff0c\u5177\u4f53\u6d41\u7a0b\u53ef\u4ee5\u770b\u56fe\u3002
    \n\u5e94\u7528\u573a\u666f<\/strong>\uff1a\u9700\u8981\u7b49\u5f85\u63a5\u53e3\u8fd4\u56de\u6570\u636e\uff0c\u5982\u8ba2\u5355\u652f\u4ed8<\/p>\n

    \u53d1\u5e03\u8005\u786e\u8ba4\uff08Publisher Confirms\uff09<\/h3>\n

    \u4e0e\u53d1\u5e03\u8005\u8fdb\u884c\u53ef\u9760\u7684\u53d1\u5e03\u786e\u8ba4<\/strong>\uff0c\u53d1\u5e03\u8005\u786e\u8ba4\u662fRabbitMQ\u6269\u5c55\uff0c\u53ef\u4ee5\u5b9e\u73b0\u53ef\u9760\u7684\u53d1\u5e03\u3002\u5728\u901a\u9053\u4e0a\u542f\u7528\u53d1\u5e03\u8005\u786e\u8ba4\u540e\uff0cRabbitMQ\u5c06\u5f02\u6b65\u786e\u8ba4\u53d1\u9001\u8005\u53d1\u5e03\u7684\u6d88\u606f\uff0c\u8fd9\u610f\u5473\u7740\u5b83\u4eec\u5df2\u5728\u670d\u52a1\u5668\u7aef\u5904\u7406
    \n\u5e94\u7528\u573a\u666f<\/strong>\uff1a\u5bf9\u4e8e\u6d88\u606f\u53ef\u9760\u6027\u8981\u6c42\u8f83\u9ad8\uff0c\u6bd4\u5982\u94b1\u5305\u6263\u6b3e<\/p>\n

    \u4ee3\u7801\u6f14\u793a<\/h2>\n

    \u4ee3\u7801\u4e2d\u6ca1\u6709\u5bf9\u540e\u9762\u4e24\u79cd\u6a21\u5f0f\u6f14\u793a\uff0c\u6709\u5174\u8da3\u53ef\u4ee5\u81ea\u5df1\u7814\u7a76<\/p>\n

    <dependency>\n    <groupId>com.rabbitmq<\/groupId>\n    <artifactId>amqp-client<\/artifactId>\n    <version>5.6.0<\/version>\n<\/dependency><\/code><\/pre>\n
    \u7b80\u5355\u6a21\u5f0f<\/h3>\n
    import com.rabbitmq.client.Channel;\nimport com.rabbitmq.client.Connection;\nimport com.rabbitmq.client.ConnectionFactory;\n\nimport java.io.IOException;\nimport java.util.concurrent.TimeoutException;\n\npublic class Sender {\n\n    private final static String QUEUE_NAME = "simple_queue";\n\n    public static void main(String[] args) throws IOException, TimeoutException {\n        ConnectionFactory factory = new ConnectionFactory();\n        factory.setHost("localhost");\n        factory.setPort(5672);\n        Connection connection = factory.newConnection();\n        Channel channel = connection.createChannel();\n\n        \/\/ \u58f0\u660e\u961f\u5217\n        \/\/ queue\uff1a\u961f\u5217\u540d\n        \/\/ durable\uff1a\u662f\u5426\u6301\u4e45\u5316\n        \/\/ exclusive\uff1a\u662f\u5426\u6392\u5916  \u5373\u53ea\u5141\u8bb8\u8be5channel\u8bbf\u95ee\u8be5\u961f\u5217   \u4e00\u822c\u7b49\u4e8etrue\u7684\u8bdd\u7528\u4e8e\u4e00\u4e2a\u961f\u5217\u53ea\u80fd\u6709\u4e00\u4e2a\u6d88\u8d39\u8005\u6765\u6d88\u8d39\u7684\u573a\u666f\n        \/\/ autoDelete\uff1a\u662f\u5426\u81ea\u52a8\u5220\u9664  \u6d88\u8d39\u5b8c\u5220\u9664\n        \/\/ arguments\uff1a\u5176\u4ed6\u5c5e\u6027\n        channel.queueDeclare(QUEUE_NAME, false, false, false, null);\n\n        \/\/\u6d88\u606f\u5185\u5bb9\n        String message = "simplest mode message";\n        channel.basicPublish("", QUEUE_NAME, null, message.getBytes());\n        System.out.println("[x]Sent '" + message + "'");\n\n        \/\/\u6700\u540e\u5173\u95ed\u901a\u5173\u548c\u8fde\u63a5\n        channel.close();\n        connection.close();\n    }\n}<\/code><\/pre>\n
    import com.rabbitmq.client.Channel;\nimport com.rabbitmq.client.Connection;\nimport com.rabbitmq.client.ConnectionFactory;\nimport com.rabbitmq.client.DeliverCallback;\n\nimport java.io.IOException;\nimport java.util.concurrent.TimeoutException;\n\npublic class Receiver {\n\n    private final static String QUEUE_NAME = "simple_queue";\n\n    public static void main(String[] args) throws IOException, InterruptedException, TimeoutException {\n        \/\/ \u83b7\u53d6\u8fde\u63a5\n        ConnectionFactory factory = new ConnectionFactory();\n        factory.setHost("localhost");\n        factory.setPort(5672);\n        Connection connection = factory.newConnection();\n        Channel channel = connection.createChannel();\n\n        channel.queueDeclare(QUEUE_NAME, false, false, false, null);\n\n        DeliverCallback deliverCallback = (consumerTag, delivery) -> {\n            String message = new String(delivery.getBody(), "UTF-8");\n            System.out.println(" [x] Received '" +\n                    delivery.getEnvelope().getRoutingKey() + "':'" + message + "'");\n        };\n        channel.basicConsume(QUEUE_NAME, true, deliverCallback, consumerTag -> {\n        });\n    }\n}<\/code><\/pre>\n
    \u5de5\u4f5c\u961f\u5217\u6a21\u5f0f<\/h3>\n
    import com.rabbitmq.client.Channel;\nimport com.rabbitmq.client.Connection;\nimport com.rabbitmq.client.ConnectionFactory;\nimport com.rabbitmq.client.DeliverCallback;\n\nimport java.io.IOException;\nimport java.util.concurrent.TimeoutException;\n\npublic class Receiver1 {\n\n    private final static String QUEUE_NAME = "queue_work";\n\n    public static void main(String[] args) throws IOException, InterruptedException, TimeoutException {\n        ConnectionFactory factory = new ConnectionFactory();\n        factory.setHost("localhost");\n        factory.setPort(5672);\n        Connection connection = factory.newConnection();\n        Channel channel = connection.createChannel();\n\n        channel.queueDeclare(QUEUE_NAME, false, false, false, null);\n        \/\/ \u540c\u4e00\u65f6\u523b\u670d\u52a1\u5668\u53ea\u4f1a\u53d1\u9001\u4e00\u6761\u6d88\u606f\u7ed9\u6d88\u8d39\u8005\n        channel.basicQos(1);\n\n        DeliverCallback deliverCallback = (consumerTag, delivery) -> {\n            String message = new String(delivery.getBody(), "UTF-8");\n            System.out.println(" [x] Received '" +\n                    delivery.getEnvelope().getRoutingKey() + "':'" + message + "'");\n        };\n        channel.basicConsume(QUEUE_NAME, true, deliverCallback, consumerTag -> {\n        });\n\n    }\n}<\/code><\/pre>\n
    import com.rabbitmq.client.Channel;\nimport com.rabbitmq.client.Connection;\nimport com.rabbitmq.client.ConnectionFactory;\nimport com.rabbitmq.client.DeliverCallback;\n\nimport java.io.IOException;\nimport java.util.concurrent.TimeoutException;\n\npublic class Receiver2 {\n\n    private final static String QUEUE_NAME = "queue_work";\n\n    public static void main(String[] args) throws IOException, InterruptedException, TimeoutException {\n        ConnectionFactory factory = new ConnectionFactory();\n        factory.setHost("localhost");\n        factory.setPort(5672);\n        Connection connection = factory.newConnection();\n        Channel channel = connection.createChannel();\n\n        channel.queueDeclare(QUEUE_NAME, false, false, false, null);\n        \/\/ \u540c\u4e00\u65f6\u523b\u670d\u52a1\u5668\u53ea\u4f1a\u53d1\u9001\u4e00\u6761\u6d88\u606f\u7ed9\u6d88\u8d39\u8005\n        channel.basicQos(1);\n\n        DeliverCallback deliverCallback = (consumerTag, delivery) -> {\n            String message = new String(delivery.getBody(), "UTF-8");\n            System.out.println(" [x] Received '" +\n                    delivery.getEnvelope().getRoutingKey() + "':'" + message + "'");\n        };\n        channel.basicConsume(QUEUE_NAME, true, deliverCallback, consumerTag -> {\n        });\n    }\n}<\/code><\/pre>\n
    import com.rabbitmq.client.Channel;\nimport com.rabbitmq.client.Connection;\nimport com.rabbitmq.client.ConnectionFactory;\n\nimport java.io.IOException;\nimport java.util.concurrent.TimeoutException;\n\npublic class Sender {\n\n    private final static String QUEUE_NAME = "queue_work";\n\n    public static void main(String[] args) throws IOException, InterruptedException, TimeoutException {\n        ConnectionFactory factory = new ConnectionFactory();\n        factory.setHost("localhost");\n        factory.setPort(5672);\n        Connection connection = factory.newConnection();\n        Channel channel = connection.createChannel();\n\n        \/\/ \u58f0\u660e\u961f\u5217\n        channel.queueDeclare(QUEUE_NAME, false, false, false, null);\n        for (int i = 0; i < 100; i++) {\n            String message = "work mode message" + i;\n            channel.basicPublish("", QUEUE_NAME, null, message.getBytes());\n            System.out.println("[x] Sent '" + message + "'");\n            Thread.sleep(i * 10);\n        }\n\n        channel.close();\n        connection.close();\n    }\n}<\/code><\/pre>\n
    \u53d1\u5e03\u8ba2\u9605\u6a21\u5f0f<\/h3>\n
    import com.rabbitmq.client.Channel;\nimport com.rabbitmq.client.Connection;\nimport com.rabbitmq.client.ConnectionFactory;\nimport com.rabbitmq.client.DeliverCallback;\n\npublic class Receive1 {\n\n    private static final String EXCHANGE_NAME = "logs";\n\n    public static void main(String[] argv) throws Exception {\n        ConnectionFactory factory = new ConnectionFactory();\n        factory.setHost("localhost");\n        Connection connection = factory.newConnection();\n        Channel channel = connection.createChannel();\n\n        channel.exchangeDeclare(EXCHANGE_NAME, "fanout");\n        String queueName = channel.queueDeclare().getQueue();\n        channel.queueBind(queueName, EXCHANGE_NAME, "");\n\n        System.out.println(" [*] Waiting for messages. To exit press CTRL+C");\n\n        \/\/ \u8ba2\u9605\u6d88\u606f\u7684\u56de\u8c03\u51fd\u6570\n        DeliverCallback deliverCallback = (consumerTag, delivery) -> {\n            String message = new String(delivery.getBody(), "UTF-8");\n            System.out.println(" [x] Received '" + message + "'");\n        };\n\n        \/\/ \u6d88\u8d39\u8005\uff0c\u6709\u6d88\u606f\u65f6\u89e6\u53d1\u8ba2\u9605\u56de\u8c03\u51fd\u6570\n        channel.basicConsume(queueName, true, deliverCallback, consumerTag -> {\n        });\n    }\n}<\/code><\/pre>\n
    import com.rabbitmq.client.Channel;\nimport com.rabbitmq.client.Connection;\nimport com.rabbitmq.client.ConnectionFactory;\nimport com.rabbitmq.client.DeliverCallback;\n\npublic class Receive2 {\n\n    private static final String EXCHANGE_NAME = "logs";\n\n    public static void main(String[] argv) throws Exception {\n        ConnectionFactory factory = new ConnectionFactory();\n        factory.setHost("localhost");\n        Connection connection = factory.newConnection();\n        Channel channel = connection.createChannel();\n\n        channel.exchangeDeclare(EXCHANGE_NAME, "fanout");\n        String queueName = channel.queueDeclare().getQueue();\n        channel.queueBind(queueName, EXCHANGE_NAME, "");\n\n        System.out.println(" [*] Waiting for messages. To exit press CTRL+C");\n\n        \/\/ \u8ba2\u9605\u6d88\u606f\u7684\u56de\u8c03\u51fd\u6570\n        DeliverCallback deliverCallback = (consumerTag, delivery) -> {\n            String message = new String(delivery.getBody(), "UTF-8");\n            System.out.println(" [x] Received2 '" + message + "'");\n        };\n\n        \/\/ \u6d88\u8d39\u8005\uff0c\u6709\u6d88\u606f\u65f6\u89e6\u53d1\u8ba2\u9605\u56de\u8c03\u51fd\u6570\n        channel.basicConsume(queueName, true, deliverCallback, consumerTag -> {\n        });\n    }\n}<\/code><\/pre>\n
    import com.rabbitmq.client.Channel;\nimport com.rabbitmq.client.Connection;\nimport com.rabbitmq.client.ConnectionFactory;\n\npublic class Sender {\n\n    private static final String EXCHANGE_NAME = "logs";\n\n    public static void main(String[] argv) throws Exception {\n        ConnectionFactory factory = new ConnectionFactory();\n        factory.setHost("localhost");\n        Connection connection = factory.newConnection();\n        Channel channel = connection.createChannel();\n\n        channel.exchangeDeclare(EXCHANGE_NAME, "fanout");\n\n        String message = "publish subscribe message";\n        channel.basicPublish(EXCHANGE_NAME, "", null, message.getBytes("UTF-8"));\n        System.out.println(" [x] Sent '" + message + "'");\n\n        channel.close();\n        connection.close();\n    }\n}<\/code><\/pre>\n
    \u8def\u7531\u6a21\u5f0f<\/h3>\n
    import com.rabbitmq.client.Channel;\nimport com.rabbitmq.client.Connection;\nimport com.rabbitmq.client.ConnectionFactory;\nimport com.rabbitmq.client.DeliverCallback;\n\nimport java.io.IOException;\nimport java.util.concurrent.TimeoutException;\n\npublic class Receiver1 {\n\n    private final static String QUEUE_NAME = "queue_routing";\n    private final static String EXCHANGE_NAME = "exchange_direct";\n\n    public static void main(String[] args) throws IOException, TimeoutException {\n        ConnectionFactory factory = new ConnectionFactory();\n        factory.setHost("localhost");\n        factory.setPort(5672);\n        Connection connection = factory.newConnection();\n        Channel channel = connection.createChannel();\n\n        channel.queueDeclare(QUEUE_NAME, false, false, false, null);\n        \/\/ \u6307\u5b9a\u8def\u7531\u7684key\uff0c\u63a5\u6536key\u548ckey2\n        channel.queueBind(QUEUE_NAME, EXCHANGE_NAME, "key");\n        channel.queueBind(QUEUE_NAME, EXCHANGE_NAME, "key2");\n\n        channel.basicQos(1);\n\n        DeliverCallback deliverCallback = (consumerTag, delivery) -> {\n            String message = new String(delivery.getBody(), "UTF-8");\n            System.out.println(" [x] Received '" +\n                    delivery.getEnvelope().getRoutingKey() + "':'" + message + "'");\n        };\n        channel.basicConsume(QUEUE_NAME, true, deliverCallback, consumerTag -> {\n        });\n    }\n}<\/code><\/pre>\n
    import com.rabbitmq.client.Channel;\nimport com.rabbitmq.client.Connection;\nimport com.rabbitmq.client.ConnectionFactory;\nimport com.rabbitmq.client.DeliverCallback;\n\nimport java.io.IOException;\nimport java.util.concurrent.TimeoutException;\n\npublic class Receiver2 {\n\n    private final static String QUEUE_NAME = "queue_routing2";\n    private final static String EXCHANGE_NAME = "exchange_direct";\n\n    public static void main(String[] args) throws IOException, TimeoutException {\n        ConnectionFactory factory = new ConnectionFactory();\n        factory.setHost("localhost");\n        factory.setPort(5672);\n        Connection connection = factory.newConnection();\n        Channel channel = connection.createChannel();\n\n        channel.queueDeclare(QUEUE_NAME, false, false, false, null);\n        \/\/ \u4ec5\u63a5\u6536key2\n        channel.queueBind(QUEUE_NAME, EXCHANGE_NAME, "key2");\n\n        channel.basicQos(1);\n\n        DeliverCallback deliverCallback = (consumerTag, delivery) -> {\n            String message = new String(delivery.getBody(), "UTF-8");\n            System.out.println(" [x] Received '" +\n                    delivery.getEnvelope().getRoutingKey() + "':'" + message + "'");\n        };\n        channel.basicConsume(QUEUE_NAME, true, deliverCallback, consumerTag -> {\n        });\n    }\n}<\/code><\/pre>\n
    import com.rabbitmq.client.Channel;\nimport com.rabbitmq.client.Connection;\nimport com.rabbitmq.client.ConnectionFactory;\n\nimport java.io.IOException;\nimport java.util.concurrent.TimeoutException;\n\npublic class Sender {\n\n    private final static String EXCHANGE_NAME = "exchange_direct";\n    private final static String EXCHANGE_TYPE = "direct";\n\n    public static void main(String[] args) throws IOException, TimeoutException {\n        ConnectionFactory factory = new ConnectionFactory();\n        factory.setHost("localhost");\n        factory.setPort(5672);\n        Connection connection = factory.newConnection();\n        Channel channel = connection.createChannel();\n\n        \/\/ \u4ea4\u6362\u673a\u58f0\u660e\n        channel.exchangeDeclare(EXCHANGE_NAME, EXCHANGE_TYPE);\n\n        \/\/ \u53ea\u6709routingKey\u76f8\u540c\u7684\u624d\u4f1a\u6d88\u8d39\n        String message = "routing mode message";\n        channel.basicPublish(EXCHANGE_NAME, "key2", null, message.getBytes());\n        System.out.println("[x] Sent '" + message + "'");\n\/\/        channel.basicPublish(EXCHANGE_NAME, "key", null, message.getBytes());\n\/\/        System.out.println("[x] Sent '" + message + "'");\n\n        channel.close();\n        connection.close();\n    }\n}<\/code><\/pre>\n
    \u4e3b\u9898\u6a21\u5f0f<\/h3>\n
    import com.rabbitmq.client.Channel;\nimport com.rabbitmq.client.Connection;\nimport com.rabbitmq.client.ConnectionFactory;\nimport com.rabbitmq.client.DeliverCallback;\n\nimport java.io.IOException;\nimport java.util.concurrent.TimeoutException;\n\npublic class Receiver1 {\n\n    private final static String QUEUE_NAME = "queue_topic";\n    private final static String EXCHANGE_NAME = "exchange_topic";\n\n    public static void main(String[] args) throws IOException, InterruptedException, TimeoutException {\n        ConnectionFactory factory = new ConnectionFactory();\n        factory.setHost("localhost");\n        factory.setPort(5672);\n        Connection connection = factory.newConnection();\n        Channel channel = connection.createChannel();\n\n        channel.queueDeclare(QUEUE_NAME, false, false, false, null);\n        \/\/ \u53ef\u4ee5\u63a5\u6536key.1\n        channel.queueBind(QUEUE_NAME, EXCHANGE_NAME, "key.*");\n\n        channel.basicQos(1);\n\n        DeliverCallback deliverCallback = (consumerTag, delivery) -> {\n            String message = new String(delivery.getBody(), "UTF-8");\n            System.out.println(" [x] Received '" +\n                    delivery.getEnvelope().getRoutingKey() + "':'" + message + "'");\n        };\n        channel.basicConsume(QUEUE_NAME, true, deliverCallback, consumerTag -> {\n        });\n    }\n}<\/code><\/pre>\n
    import com.rabbitmq.client.Channel;\nimport com.rabbitmq.client.Connection;\nimport com.rabbitmq.client.ConnectionFactory;\nimport com.rabbitmq.client.DeliverCallback;\n\nimport java.io.IOException;\nimport java.util.concurrent.TimeoutException;\n\npublic class Receiver2 {\n\n    private final static String QUEUE_NAME = "queue_topic2";\n    private final static String EXCHANGE_NAME = "exchange_topic";\n    private final static String EXCHANGE_TYPE = "topic";\n\n    public static void main(String[] args) throws IOException, InterruptedException, TimeoutException {\n        ConnectionFactory factory = new ConnectionFactory();\n        factory.setHost("localhost");\n        factory.setPort(5672);\n        Connection connection = factory.newConnection();\n        Channel channel = connection.createChannel();\n\n        channel.queueDeclare(QUEUE_NAME, false, false, false, null);\n        \/\/ *\u53f7\u4ee3\u8868\u5355\u4e2a\u5355\u8bcd\uff0c\u53ef\u4ee5\u63a5\u6536key.1\n        channel.queueBind(QUEUE_NAME, EXCHANGE_NAME, "*.*");\n        \/\/ #\u53f7\u4ee3\u8868\u591a\u4e2a\u5355\u8bcd\uff0c\u53ef\u4ee5\u63a5\u6536key.1.2\n        channel.queueBind(QUEUE_NAME, EXCHANGE_NAME, "*.#");\n\n        channel.basicQos(1);\n\n        DeliverCallback deliverCallback = (consumerTag, delivery) -> {\n            String message = new String(delivery.getBody(), "UTF-8");\n            System.out.println(" [x] Received '" +\n                    delivery.getEnvelope().getRoutingKey() + "':'" + message + "'");\n        };\n        channel.basicConsume(QUEUE_NAME, true, deliverCallback, consumerTag -> {\n        });\n    }\n}<\/code><\/pre>\n
    import com.rabbitmq.client.Channel;\nimport com.rabbitmq.client.Connection;\nimport com.rabbitmq.client.ConnectionFactory;\n\nimport java.io.IOException;\nimport java.util.concurrent.TimeoutException;\n\npublic class Sender {\n\n    private final static String EXCHANGE_NAME = "exchange_topic";\n    private final static String EXCHANGE_TYPE = "topic";\n\n    public static void main(String[] args) throws IOException, TimeoutException {\n        ConnectionFactory factory = new ConnectionFactory();\n        factory.setHost("localhost");\n        factory.setPort(5672);\n        Connection connection = factory.newConnection();\n        Channel channel = connection.createChannel();\n\n        channel.exchangeDeclare(EXCHANGE_NAME, EXCHANGE_TYPE);\n\n        String message = "topics model message with key.1";\n        channel.basicPublish(EXCHANGE_NAME, "key.1", null, message.getBytes());\n        System.out.println("[x] Sent '" + message + "'");\n        String message2 = "topics model message with key.1.2";\n        channel.basicPublish(EXCHANGE_NAME, "key.1.2", null, message2.getBytes());\n        System.out.println("[x] Sent '" + message2 + "'");\n\n        channel.close();\n        connection.close();\n    }\n}<\/code><\/pre>\n
    \u56db\u79cd\u4ea4\u6362\u673a\u4ecb\u7ecd<\/h2>\n