Golang rabbitMQ生产者消费者

package main
import (
	"fmt"
	"github.com/streadway/amqp"
)
func failOnError(err error, msg string) {
	if err != nil {
		fmt.Println("%s: %s", msg, err)
	}
}
// 只能在安装 rabbitmq 的服务器上操作
func main() {
	conn, err := amqp.Dial("amqp://mquser:123456@127.0.0.1/toutiao")
	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(
		"toutiao.web.test", // 队列名字
		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
		"toutiao",     // consumer
		true,   // auto-ack,true消费了就消失
		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 {
			fmt.Println(fmt.Sprintf("返回的消息:%s",d.Body))
		}
	}()
	fmt.Println("[*] Waiting for messages. To exit press CTRL+C")
	<-forever
}

package main
import (
	"github.com/streadway/amqp"
	"log"
)
func failOnError(err error, msg string) {
	if err != nil {
		log.Fatalf("%s: %s", msg, err)
	}
}
// 只能在安装 rabbitmq 的服务器上操作
func main() {
	conn, err := amqp.Dial("amqp://mquser:123456@127.0.0.1/toutiao")
	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(
	"toutiao.web.test",   // name
		false, // durable
		false, // delete when unused
		false, // exclusive
		false, // no-wait
		nil, // arguments
)
	failOnError(err, "Failed to declare a queue")
	body := "Hello World!"  //发送的消息
	err = ch.Publish(
	"",         // exchange
		q.Name, // routing key
		false,  // mandatory
		false,  // immediate
		amqp.Publishing{
		ContentType: "text/plain",
			Body:        []byte(body),
		})
	log.Printf(" [x] Sent %s", body)
	failOnError(err, "Failed to publish a message")
}