basic_publish()通过routing_key路由消息的核心依赖Exchange 类型和绑定规则。 默认Exchange ("") 是 Direct 类型,直接将routing_key作为目标队列名称。 生产环境中应显式声明 Exchange 和绑定规则,避免依赖默认行为。 来自为知笔记(Wiz)
public void basicPublish(String exchange, String routingKey, BasicProperties props, byte[] body) throws IOException { this.basicPublish(exchange, routingKey, false, props, body); } 为了更好理解,我们将之前的生产者Producer类中的channel.queueDeclare(QUEUE_NAME, false, false, false, null);注释: 代...
awaitch.BasicPublishAsync(exchange:string.Empty, routingKey: props.ReplyTo!, mandatory:true, basicProperties: replyProps, body: responseBytes); //消息确认 awaitch.BasicAckAsync(deliveryTag: ea.DeliveryTag, multiple:false); } }; awaitchannel.BasicConsumeAsync(QUEUE_NAME,false, consumer); Console.W...
}; channel.BasicPublishAsync(exchange, routingKey, false, properties, body, cancellationToken); } catch (OperationCanceledException ex) { Console.WriteLine($"Operation was canceled: {ex.Message}"); //throw; // Re-throw if you want to propagate the cancellation ...
for the message - routing headers etc * body - the message body */ channel.basicPublish(String...
basicPublish("", QUEUE_NAME, null, message.getBytes()); System.out.println("Sent '" + message + "'"); channel.close(); connection.close(); } } 3.3 消息接受者 代码语言:javascript 代码运行次数:0 运行 AI代码解释 import com.rabbitmq.client.*; import java.io.IOException; public class ...
channel.basicPublish("", QUEUE_NAME, null, message.getBytes("UTF-8")); System.out.println(" [x] Sent '" + message + "'"); } catch (Exception e) { e.printStackTrace(); }finally { connection.close(); } } } 执行消息发送程序,向 RabbitMQ 发送一条消息。
设置消息持久化方式也非常简单,只需要在调用basicPublish发布消息时添加属性MessageProperties.PERSISTENT_TEXT_PLAIN即可,后续会具体用到。 但是即使消息持久化了,依然不能保证消息百分百的不能丢失。假如消息将要持久化到磁盘还没持久化成功的情况下,服务器发生宕机,服务器重启后还是丢失的,因为消息没有持久化成功。只要...
ConfirmMessage.publishAsync(); } // 单个 public static void publishOne() throws IOException, TimeoutException, InterruptedException { Channel channel = MqUtils.getChannel(); String queueName = UUID.randomUUID().toString(); // 声明队列,第2个参数为true-表示队列持久化 ...
本文说明云消息队列 RabbitMQ 版客户端调用AMQP 0-9-1协议时的返回码,您可以根据返回信息与解决方案自助排查错误。 返回码列表 返回码(reply-code) 返回信息(reply-text) 描述 解决方案 200 no route has mandatory 调用basicPublish方法发送消息且设置mandatory=true时,如果Exchange根据自身类型和消息的RoutingKey无法...