docker快速安装rabbitmq的方法步骤

一、获取镜像

#指定版本，该版本包含了web控制页面
docker pull rabbitmq:management

二、运行镜像

#方式一：默认guest 用户，密码也是 guest
docker run -d --hostname my-rabbit --name rabbit -p 15672:15672 -p 5672:5672 rabbitmq:management

#方式二：设置用户名和密码
docker run -d --hostname my-rabbit --name rabbit -e rabbitmq_default_user=user -e rabbitmq_default_pass=password -p 15672:15672 -p 5672:5672 rabbitmq:management

三、访问ui页面

http://localhost:15672/

四、golang案例

#producer生产者代码
package main

import (
  "fmt"

  "log"

  "github.com/streadway/amqp"
)

const (
  //amqp uri

  uri = "amqp://guest:guest@10.0.0.11:5672/" // 10.0.0.11为主机ip

  //durable amqp exchange name

  exchangename = ""

  //durable amqp queue name

  queuename = "test-queues"

  //body of message

  bodymsg string = "hello angel"
)

//如果存在错误，则输出

func failonerror(err error, msg string) {

  if err != nil {

    log.fatalf("%s: %s", msg, err)

    panic(fmt.sprintf("%s: %s", msg, err))

  }

}

func main() {

  //调用发布消息函数

  publish(uri, exchangename, queuename, bodymsg)

  log.printf("published %db ok", len(bodymsg))

}

//发布者的方法

//@amqpuri, amqp的地址

//@exchange, exchange的名称

//@queue, queue的名称

//@body, 主体内容

func publish(amqpuri string, exchange string, queue string, body string) {

  //建立连接

  log.printf("dialing %q", amqpuri)

  connection, err := amqp.dial(amqpuri)

  failonerror(err, "failed to connect to rabbitmq")

  defer connection.close()

  //创建一个channel

  log.printf("got connection, getting channel")

  channel, err := connection.channel()

  failonerror(err, "failed to open a channel")

  defer channel.close()

  log.printf("got queue, declaring %q", queue)

  //创建一个queue

  q, err := channel.queuedeclare(

    queuename, // name

    false, // durable

    false, // delete when unused

    false, // exclusive

    false, // no-wait

    nil, // arguments

  )

  failonerror(err, "failed to declare a queue")

  log.printf("declared queue, publishing %db body (%q)", len(body), body)

  // producer只能发送到exchange，它是不能直接发送到queue的

  // 现在我们使用默认的exchange（名字是空字符）这个默认的exchange允许我们发送给指定的queue

  // routing_key就是指定的queue名字

  err = channel.publish(

    exchange, // exchange

    q.name, // routing key

    false, // mandatory

    false, // immediate

    amqp.publishing{

      headers: amqp.table{},

      contenttype: "text/plain",

      contentencoding: "",

      body: []byte(body),
    })

  failonerror(err, "failed to publish a message")

}

五、拥有消息确认的代码

#producer
package main

import (
  "fmt"
  "github.com/streadway/amqp"
  "log"
  "os"
  "strings"
)

const (
  //amqp uri
  uri = "amqp://guest:guest@10.0.0.11:5672/"
  //durable amqp exchange name
  exchangename = ""
  //durable amqp queue name
  queuename = "test-queues-acknowledgments"
)

//如果存在错误，则输出
func failonerror(err error, msg string) {
  if err != nil {
    log.fatalf("%s: %s", msg, err)
    panic(fmt.sprintf("%s: %s", msg, err))
  }
}

func main() {
  bodymsg := bodyfrom(os.args)
  //调用发布消息函数
  publish(uri, exchangename, queuename, bodymsg)
  log.printf("published %db ok", len(bodymsg))
}

func bodyfrom(args []string) string {
  var s string
  if (len(args) < 2) || os.args[1] == "" {
    s = "hello angel"
  } else {
    s = strings.join(args[1:], " ")
  }
  return s
}

//发布者的方法
//@amqpuri, amqp的地址
//@exchange, exchange的名称
//@queue, queue的名称
//@body, 主体内容
func publish(amqpuri string, exchange string, queue string, body string) {
  //建立连接
  log.printf("dialing %q", amqpuri)
  connection, err := amqp.dial(amqpuri)
  failonerror(err, "failed to connect to rabbitmq")
  defer connection.close()

  //创建一个channel
  log.printf("got connection, getting channel")
  channel, err := connection.channel()
  failonerror(err, "failed to open a channel")
  defer channel.close()

  log.printf("got queue, declaring %q", queue)

  //创建一个queue
  q, err := channel.queuedeclare(
    queuename, // name
    false,   // durable
    false,   // delete when unused
    false,   // exclusive
    false,   // no-wait
    nil,    // arguments
  )
  failonerror(err, "failed to declare a queue")

  log.printf("declared queue, publishing %db body (%q)", len(body), body)

  // producer只能发送到exchange，它是不能直接发送到queue的。
  // 现在我们使用默认的exchange（名字是空字符）。这个默认的exchange允许我们发送给指定的queue。
  // routing_key就是指定的queue名字。
  err = channel.publish(
    exchange, // exchange
    q.name,  // routing key
    false,  // mandatory
    false,  // immediate
    amqp.publishing{
      headers:     amqp.table{},
      contenttype:   "text/plain",
      contentencoding: "",
      body:      []byte(body),
    })
  failonerror(err, "failed to publish a message")
}

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