GO *** 作RabbitMQ

GO *** 作RabbitMQ

docker快速安装mq

docker run -d --hostname my-rabbit --name some-rabbit -e RABBITMQ_DEFAULT_USER=admins -e RABBITMQ_DEFAULT_PASS=123qwe123 -p15672:15672 -p5672:5672 rabbitmq:management-alpine

go 需要安装

go get github.com/streadway/amqp

生产者代码send.go

package main

import (
	"log"

	amqp "github.com/rabbitmq/amqp091-go"
)

func failonError(err error, msg string) {
	if err != nil {
		log.Panicf("%s: %s", msg, err)
	}
}

func main() {
	conn, err := amqp.Dial("amqp://admins:[email protected]:5672/")
	failonError(err, "Failed to connect to RabbitMQ")
	defer conn.Close()

	ch, err := conn.Channel()
	failonError(err, "Failed to open a channel")
	defer ch.Close()

	q, err := ch.QueueDeclare(
		"test", // name
		false,  // durable
		false,  // delete when unused
		false,  // exclusive
		false,  // no-wait
		nil,    // arguments
	)
	failonError(err, "Failed to declare a queue")

	body := "bv xxxjbjb"
	err = ch.Publish(
		"",     // exchange
		q.Name, // routing key
		false,  // mandatory
		false,  // immediate
		amqp.Publishing{
			ContentType: "text/plain",
			Body:        []byte(body),
		})
	failonError(err, "Failed to publish a message")
	log.Printf(" [x] Sent %sn", body)
}

消费者 receive.go

 package main

import (
	"log"

	amqp "github.com/rabbitmq/amqp091-go"
)

func failonError(err error, msg string) {
	if err != nil {
		log.Panicf("%s: %s", msg, err)
	}
}

func main() {
	conn, err := amqp.Dial("amqp://admins:[email protected]:5672/")
	failonError(err, "Failed to connect to RabbitMQ")
	defer conn.Close()

	ch, err := conn.Channel()
	failonError(err, "Failed to open a channel")
	defer ch.Close()

	q, err := ch.QueueDeclare(
		"test", // name
		false,  // durable
		false,  // delete when unused
		false,  // exclusive
		false,  // no-wait
		nil,    // arguments
	)
	failonError(err, "Failed to declare a queue")

	msgs, err := ch.Consume(
		q.Name, // queue
		"",     // consumer
		true,   // auto-ack
		false,  // exclusive
		false,  // no-local
		false,  // no-wait
		nil,    // args
	)
	failonError(err, "Failed to register a consumer")

	forever := make(chan bool)

	go func() {
		for d := range msgs {
			log.Printf("Received a message: %s", d.Body)
		}
	}()

	log.Printf(" [*] Waiting for messages. To exit press CTRL+C")
	<-forever
}

官网链接

https://www.rabbitmq.com/tutorials/tutorial-one-go.html