Golang RabbitMQ: アプリケーションのパフォーマンスを向上させるためのメッセージ ミドルウェアの実践

package main

import (
    "log"

    "github.com/streadway/amqp"
)

func main() {
    // 连接RabbitMQ
    conn, err := amqp.Dial("amqp://guest:guest@localhost:5672/")
    if err != nil {
        log.Fatalf("Failed to connect to RabbitMQ: %v", err)
    }
    defer conn.Close()

    // 创建Channel
    ch, err := conn.Channel()
    if err != nil {
        log.Fatalf("Failed to open a channel: %v", err)
    }
    defer ch.Close()

    // 声明队列
    queue, err := ch.QueueDeclare(
        "my_queue",
        true,
        false,
        false,
        false,
        nil,
    )
    if err != nil {
        log.Fatalf("Failed to declare a queue: %v", err)
    }

    // 发送消息
    err = ch.Publish(
        "",
        queue.Name,
        false,
        false,
        amqp.Publishing{
            ContentType: "text/plain",
            Body:        []byte("Hello, RabbitMQ!"),
        },
    )
    if err != nil {
        log.Fatalf("Failed to publish a message: %v", err)
    }

    log.Println("Message sent successfully!")
}

package main

import (
    "log"

    "github.com/streadway/amqp"
)

func main() {
    // 连接RabbitMQ
    conn, err := amqp.Dial("amqp://guest:guest@localhost:5672/")
    if err != nil {
        log.Fatalf("Failed to connect to RabbitMQ: %v", err)
    }
    defer conn.Close()

    // 创建Channel
    ch, err := conn.Channel()
    if err != nil {
        log.Fatalf("Failed to open a channel: %v", err)
    }
    defer ch.Close()

    // 声明队列
    queue, err := ch.QueueDeclare(
        "my_queue",
        true,
        false,
        false,
        false,
        nil,
    )
    if err != nil {
        log.Fatalf("Failed to declare a queue: %v", err)
    }

    // 接收消息
    msgs, err := ch.Consume(
        queue.Name,
        "",
        true,
        false,
        false,
        false,
        nil,
    )
    if err != nil {
        log.Fatalf("Failed to register a consumer: %v", err)
    }

    // 处理消息
    for msg := range msgs {
        log.Printf("Received a message: %s", msg.Body)
    }
}