golang rabbitmq topic 消费生产

使用注意订阅

• proudcut

package main

import (
	"github.com/gofiber/fiber/v2"
	"github.com/gofiber/fiber/v2/middleware/logger"
	"github.com/streadway/amqp"
	"log"
)

func main() {

	amqpServerURL := `amqp://127.0.0.1:5672`

	amqpExchangeName := `meet_member_exchange`
	amqpQueueName := `meet_member_queue`
	amqpRoutingKey := `meet_member_routing_key`

	connectRabbitMQ, err := amqp.Dial(amqpServerURL)
	if err != nil {
		panic(err)
	}
	defer connectRabbitMQ.Close()

	channelRabbitMQ, err := connectRabbitMQ.Channel()
	if err != nil {
		panic(err)
	}
	defer channelRabbitMQ.Close()

	if _, err = channelRabbitMQ.QueueDeclare(amqpQueueName, true, false, false, false, nil); err != nil {
		panic(err)
	}

	if err = channelRabbitMQ.ExchangeDeclare(amqpExchangeName, amqp.ExchangeTopic, true, false, false, false, nil); err != nil {
		panic(err)
	}

	if err = channelRabbitMQ.QueueBind(amqpQueueName, amqpRoutingKey, amqpExchangeName, false, nil); err != nil {
		panic(err)
	}

	app := fiber.New()

	app.Use(
		logger.New(),
	)

	app.Get("/send", func(c *fiber.Ctx) error {

		message := amqp.Publishing{
			ContentType: "text/plain",
			Body:        []byte(c.Query("msg")),
		}

		if err_ := channelRabbitMQ.Publish(amqpExchangeName, amqpRoutingKey, false, false, message); err_ != nil {
			return err_
		}

		return nil
	})

	log.Fatal(app.Listen(":3000"))
}

• consumer

package main

import (
	"github.com/streadway/amqp"
	"log"
)

func main() {

	amqpServerURL := `amqp://127.0.0.1:5672`

	amqpQueueName := `meet_member_queue`
	amqpConsumerName := `meet_member_consumer`

	connectRabbitMQ, err := amqp.Dial(amqpServerURL)
	if err != nil {
		panic(err)
	}
	defer connectRabbitMQ.Close()

	channelRabbitMQ, err := connectRabbitMQ.Channel()
	if err != nil {
		panic(err)
	}
	defer channelRabbitMQ.Close()

	messages, err := channelRabbitMQ.Consume(amqpQueueName, amqpConsumerName, true, false, false, false, nil)
	if err != nil {
		log.Println(err)
	}

	log.Println("Successfully connected to RabbitMQ")
	log.Println("Waiting for messages")

	forever := make(chan bool)

	go func() {
		for message := range messages {
			log.Printf(" > Received message: %s\n", message.Body)
		}
	}()
	<-forever
}