golang使用rabbitMQ入门代码

package main

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

func main() {
   go sendMessagePreSecond()
   receive()
}

func sendMessagePreSecond() {
   for {
      send()
      time.Sleep(1 * time.Second)
   }
}

func send() {
   conn, err := amqp.Dial("amqp://hsn:qwer1234@192.168.147.132/")
   failOnError(err, "Failed to connect to RabbitMQ")
   defer conn.Close()
   ch, err := conn.Channel()
   failOnError(err, "Failed to open a channel")
   defer ch.Close()
   queue, e := ch.QueueDeclare("test_queue", false, false, false, false, nil)
   failOnError(e, "Failed to declare a queue")
   body := "hello world!"
   err = ch.Publish("", queue.Name, false, false, amqp.Publishing{
      ContentType: "text/plain",
      Body:        []byte(body),
   })
   failOnError(err, "Failed to publish a message")
   log.Println("send")
}

func receive() {
   conn, err := amqp.Dial("amqp://hsn:qwer1234@192.168.147.132/")
   failOnError(err, "Failed to connect to RabbitMQ")
   defer conn.Close()
   ch, err := conn.Channel()
   failOnError(err, "Failed to open a channel")
   defer ch.Close()
   queue, err := ch.QueueDeclare("test_queue", false, false, false, false, nil)
   failOnError(err, "Failed to declare queue")
   msgCh, err := ch.Consume(queue.Name, "", true, false, false, false, nil)
   failOnError(err, "Failed to receive message")
   forever := make(chan bool)
   go func() {
      for d := range msgCh {
         log.Println("message: ", string(d.Body))
      }
   }()
   log.Printf(" [*] Waiting for messages. To exit press CTRL+C")
   <-forever
}

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