.NET平台的RabbitMQ使用封装Demo详解
RabbitMQ是一个开源的消息队列系统,支持多种消息递协议。在使用RabbitMQ时,可以使用.NET平台来快速开发和部署RabbitMQ应用程序。本文将介绍如何使用.NET平台的RabbitMQ使用封装Demo,并提供两个示例说明。
RabbitMQ使用封装Demo
在.NET平台中,可以使用RabbitMQ.Client库来快速开发和部署RabbitMQ应用程序。RabbitMQ.Client库提供了一系列的API,可以方便地实现RabbitMQ的生产者和消费者。
在.NET平台中,可以使用以下代码来创建一个RabbitMQ的生产者:
using RabbitMQ.Client;
using System.Text;
class Program
{
static void Main(string[] args)
{
var factory = new ConnectionFactory() { HostName = "localhost" };
using (var connection = factory.CreateConnection())
using (var channel = connection.CreateModel())
{
channel.QueueDeclare(queue: "hello",
durable: false,
exclusive: false,
autoDelete: false,
arguments: null);
string message = "Hello World!";
var body = Encoding.UTF8.GetBytes(message);
channel.BasicPublish(exchange: "",
routingKey: "hello",
basicProperties: null,
body: body);
Console.WriteLine(" [x] Sent {0}", message);
}
Console.WriteLine(" Press [enter] to exit.");
Console.ReadLine();
}
}
在上述代码中,我们使用RabbitMQ.Client库创建了一个名为 hello
的队列,并发送了一条消息到队列中。
在.NET平台中,可以使用以下代码来创建一个RabbitMQ的消费者:
using RabbitMQ.Client;
using RabbitMQ.Client.Events;
using System;
using System.Text;
class Program
{
static void Main(string[] args)
{
var factory = new ConnectionFactory() { HostName = "localhost" };
using (var connection = factory.CreateConnection())
using (var channel = connection.CreateModel())
{
channel.QueueDeclare(queue: "hello",
durable: false,
exclusive: false,
autoDelete: false,
arguments: null);
var consumer = new EventingBasicConsumer(channel);
consumer.Received += (model, ea) =>
{
var body = ea.Body.ToArray();
var message = Encoding.UTF8.GetString(body);
Console.WriteLine(" [x] Received {0}", message);
};
channel.BasicConsume(queue: "hello",
autoAck: true,
consumer: consumer);
Console.WriteLine(" Press [enter] to exit.");
Console.ReadLine();
}
}
}
在上述代码中,我们使用RabbitMQ.Client库创建了一个名为 hello
的队列,并创建了一个消费者来接收队列中的消息。
示例说明
示例一:使用.NET平台的RabbitMQ发送和接收消息
在本示例中,我们将使用.NET平台的RabbitMQ发送和接收消息。具体步骤如下:
- 创建一个RabbitMQ的生产者并发送一条消息到队列中。
- 创建一个RabbitMQ的消费者并接收队列中的消息。
using RabbitMQ.Client;
using RabbitMQ.Client.Events;
using System;
using System.Text;
class Program
{
static void Main(string[] args)
{
// 创建一个RabbitMQ的生产者并发送一条消息到队列中
var factory = new ConnectionFactory() { HostName = "localhost" };
using (var connection = factory.CreateConnection())
using (var channel = connection.CreateModel())
{
channel.QueueDeclare(queue: "hello",
durable: false,
exclusive: false,
autoDelete: false,
arguments: null);
string message = "Hello World!";
var body = Encoding.UTF8.GetBytes(message);
channel.BasicPublish(exchange: "",
routingKey: "hello",
basicProperties: null,
body: body);
Console.WriteLine(" [x] Sent {0}", message);
}
// 创建一个RabbitMQ的消费者并接收队列中的消息
using (var connection = factory.CreateConnection())
using (var channel = connection.CreateModel())
{
channel.QueueDeclare(queue: "hello",
durable: false,
exclusive: false,
autoDelete: false,
arguments: null);
var consumer = new EventingBasicConsumer(channel);
consumer.Received += (model, ea) =>
{
var body = ea.Body.ToArray();
var message = Encoding.UTF8.GetString(body);
Console.WriteLine(" [x] Received {0}", message);
};
channel.BasicConsume(queue: "hello",
autoAck: true,
consumer: consumer);
Console.WriteLine(" Press [enter] to exit.");
Console.ReadLine();
}
}
}
在上述代码中,我们创建了一个RabbitMQ的生产者并发送了一条消息到队列中,然后创建了一个RabbitMQ的消费者并接收队列中的消息。
示例二:使用.NET平台的RabbitMQ实现消息持久化和确认机制
在本示例中,我们将使用.NET平台的RabbitMQ实现消息持久化和确认机制。具体步骤如下:
- 创建一个RabbitMQ的生产者并将消息设置为持久化消息。
- 创建一个RabbitMQ的消费者并确认消息已被接收。
using RabbitMQ.Client;
using RabbitMQ.Client.Events;
using System;
using System.Text;
class Program
{
static void Main(string[] args)
{
// 创建一个RabbitMQ的生产者并将消息设置为持久化消息
var factory = new ConnectionFactory() { HostName = "localhost" };
using (var connection = factory.CreateConnection())
using (var channel = connection.CreateModel())
{
channel.QueueDeclare(queue: "hello",
durable: true,
exclusive: false,
autoDelete: false,
arguments: null);
string message = "Hello World!";
var body = Encoding.UTF8.GetBytes(message);
channel.BasicPublish(exchange: "",
routingKey: "hello",
basicProperties: new BasicProperties { DeliveryMode = 2 },
body: body);
Console.WriteLine(" [x] Sent {0}", message);
}
// 创建一个RabbitMQ的消费者并确认消息已被接收
using (var connection = factory.CreateConnection())
using (var channel = connection.CreateModel())
{
channel.QueueDeclare(queue: "hello",
durable: true,
exclusive: false,
autoDelete: false,
arguments: null);
var consumer = new EventingBasicConsumer(channel);
consumer.Received += (model, ea) =>
{
var body = ea.Body.ToArray();
var message = Encoding.UTF8.GetString(body);
Console.WriteLine(" [x] Received {0}", message);
channel.BasicAck(deliveryTag: ea.DeliveryTag, multiple: false);
};
channel.BasicConsume(queue: "hello",
autoAck: false,
consumer: consumer);
Console.WriteLine(" Press [enter] to exit.");
Console.ReadLine();
}
}
}
在上述代码中,我们创建了一个RabbitMQ的生产者并将消息设置为持久化消息,然后创建了一个RabbitMQ的消费者并确认消息已被接收。
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