python pika install: pip install pika Chinese rabbitmq doc: http://rabbitmq.mr-ping.com/PIKA lib doc: http://pika.readthedocs.io/en/latest/index.html ui practise website: http://tryrabbitmq.com/ python:获取时间:now_time = datetime.datetime.now()字符串拼接: "x…

第一部分:延迟消息的实现原理和知识点 使用RabbitMQ来实现延迟任务必须先了解RabbitMQ的两个概念:消息的TTL和死信Exchange,通过这两者的组合来实现上述需求. 消息的TTL(Time To Live) 消息的TTL就是消息的存活时间.RabbitMQ可以对队列和消息分别设置TTL.对队列设置就是队列没有消费者连着的保留时间,也可以对每一个单独的消息做单独的设置.超过了这个时间,我们认为这个消息就死了,称之为死信.如果队列设置了,消息也设置了,那么会取小的.所以一个消息如果被路…

1.增加pom.xml依赖 <!--rabbitmq消息队列依赖架包--> <dependency> <groupId>org.springframework.amqp</groupId> <artifactId>spring-rabbit</artifactId> <version>2.0.3.RELEASE</version> </dependency> <!-- rabbitmq消息队列…

Lately I performed a message queue benchmark, comparing several queuing frameworks (RabbitMQ, ActiveMQ…).Those benchmarks are part of a complete study conducted by Adina Mihailescu, and everything was presented at the April 2013 riviera.rb meet-up. Y…

依赖包: <!--RabbitMQ集成spring--> <!-- https://mvnrepository.com/artifact/org.springframework.amqp/spring-rabbit --> <dependency> <groupId>org.springframework.amqp</groupId> <artifactId>spring-rabbit</artifactId> <v…

依赖包 <!--RabbitMQ集成spring--> <!-- https://mvnrepository.com/artifact/org.springframework.amqp/spring-rabbit --> <dependency> <groupId>org.springframework.amqp</groupId> <artifactId>spring-rabbit</artifactId> <ve…

RabbitMQ生产者消息确认Confirm模式,分为普通模式.批量模式和异步模式,本次举例为普通模式. 源码: package org.study.confirm4; import com.rabbitmq.client.Channel; import com.rabbitmq.client.Connection; import org.junit.Test; import org.study.utils.ConnectionUtils; import java.io.IOException;…

使用RabbitMQ进行消息发布和订阅,生产者将消息发送给转发器(exchange),转发器根据路由键匹配已绑定的消息队列并转发消息,主题模式支持路由键的通配. 生产者代码: package org.study.exchange3.topic3; import com.rabbitmq.client.Channel; import com.rabbitmq.client.Connection; import org.junit.Test; import org.study.utils.Conne…

发送消息: package org.study.workfair; import com.rabbitmq.client.Channel; import com.rabbitmq.client.Connection; import org.junit.Test; import org.study.utils.ConnectionUtils; import java.io.IOException; import java.util.concurrent.TimeoutException; publ…

依赖包: <dependencies> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.12</version> <scope>test</scope> </dependency> <!-- https://mvnrepository.com/artifact…