一. 使用Docker安装rabbitmq
1.1 拉取有后台管理的镜像
docker pull rabbitmq:3.12.0-management
1.2 启动容器
docker run -d --hostname my-rabbit --name rabbitmq -p 5672:5672 -p 15672:15672 rabbitmq:3.12.0-management
1.3 访问http://localhost:15672/ 用户名密码都是guest
部署完成
二. golang使用rabbitmq示例代码
2.1 添加vhost
2.2 获取amqp库
go get -u github.com/streadway/amqp
2.3 consumer代码
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://guest:[email protected]/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
}
2.4 producer代码
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://guest:guest@localhost:5672/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")
}
2.5 运行
producer
consumer