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  • C#实现ActiveMQ消息队列

      本文使用C#实现ActiveMQ消息队列功能。

    一、首先需要导入两个包,分别是:Apache.NMS 和 Apache.NMS.ActiveMQ

    二、创建Winform程序实现生产者功能。

    三、Producer后台代码如下:

    using Apache.NMS;
    using Apache.NMS.ActiveMQ;
    using System;
    using System.Runtime.Serialization;
    using System.Windows.Forms;
    
    namespace ActiveMQProducer
    {
        public partial class Producer : Form
        {
            // 生产者
            public Producer()
            {
                InitializeComponent();
                InitProducer();
            }
            private IConnectionFactory factory;
    
            public void InitProducer()
            {
                try
                {
                    //初始化工厂,这里默认的URL是不需要修改的
                    factory = new ConnectionFactory("tcp://localhost:61616");
                }
                catch
                {
                    lbMessage.Text = "初始化失败!!";
                }
            }
    
            private void btnConfirm_Click(object sender, EventArgs e)
            {
                //通过工厂建立连接
                using (IConnection connection = factory.CreateConnection())
                {
                    //通过连接创建Session会话
                    using (ISession session = connection.CreateSession())
                    {
                        //通过会话创建生产者,方法里面new出来的是MQ中的Queue
                        IMessageProducer prod = session.CreateProducer(new Apache.NMS.ActiveMQ.Commands.ActiveMQQueue("ActiveMQTest"));
    
                        #region 发送结构信息
    
                        //Student studentModel = new Student();
                        //studentModel.Grade = "三年级"; 
                        //studentModel.Name = "张三";
                        //studentModel.Sex = "男";
                        //studentModel.Age = "23";
    
                        //string temp = JsonConvert.SerializeObject(studentModel); 
                        //ITextMessage message = prod.CreateTextMessage(temp);  
    
                        #endregion
    
                        #region 发送文本信息
    
                        //创建一个发送的消息对象
                        ITextMessage message = prod.CreateTextMessage();
                        //给这个对象赋实际的消息
                        message.Text = txtMessage.Text;
    
                        #endregion 
    
                        //设置消息对象的属性,这个很重要哦,是Queue的过滤条件,也是P2P消息的唯一指定属性
                        message.Properties.SetString("filter", "SwipeCard");
                        //生产者把消息发送出去,几个枚举参数MsgDeliveryMode是否长链,MsgPriority消息优先级别,发送最小单位,当然还有其他重载
                        prod.Send(message, MsgDeliveryMode.NonPersistent, MsgPriority.Normal, TimeSpan.MinValue);
                        lbMessage.Text = "发送成功!!";
                        txtMessage.Text = "";
                        txtMessage.Focus();
                    }
                }
            }
        }
    
        [DataContract]
        public class Student
        {
            [DataMember]
            public string Grade { get; set; }
    
            [DataMember]
            public string Name { get; set; }
    
            [DataMember]
            public string Sex { get; set; }
    
            [DataMember]
            public string Age { get; set; } 
        }
    }

    四、接下来创建Winform程序实现消费者功能。

    五、Customer后台代码如下:

    using Apache.NMS;
    using Apache.NMS.ActiveMQ;
    using Apache.NMS.ActiveMQ.Commands;
    using Newtonsoft.Json;
    using System;
    using System.Collections.Generic;
    using System.ComponentModel;
    using System.Data;
    using System.Drawing;
    using System.Linq;
    using System.Runtime.Serialization;
    using System.Text;
    using System.Threading.Tasks;
    using System.Windows.Forms;
    
    namespace ActiveMQCustomer
    {
        public partial class Customer : Form
        {
            // 消费者
            public Customer()
            {
                InitializeComponent();
                InitConsumer();
            }
    
            public void InitConsumer()
            {
                //创建连接工厂
                IConnectionFactory factory = new ConnectionFactory("tcp://localhost:61616");
                //通过工厂构建连接
                IConnection connection = factory.CreateConnection();
                //这个是连接的客户端名称标识
                connection.ClientId = "SwipeCardActionListener";
                //启动连接,监听的话要主动启动连接
                connection.Start();
                //通过连接创建一个会话
                ISession session = connection.CreateSession();
                //通过会话创建一个消费者,这里就是Queue这种会话类型的监听参数设置
                IMessageConsumer consumer = session.CreateConsumer(new Apache.NMS.ActiveMQ.Commands.ActiveMQQueue("ActiveMQTest"), "filter='SwipeCard'");
                //注册监听事件
                consumer.Listener += new MessageListener(consumer_Listener);
                //  connection.Stop();
                //  connection.Close();
            }
    
            void consumer_Listener(IMessage message)
            {
                #region 接收结构类型
    
                //try
                //{
                //    ActiveMQTextMessage receiveMsg = message as ActiveMQTextMessage;
    
                //    Student studentModel = JsonConvert.DeserializeObject<Student>(receiveMsg.Text);
    
                //    tbReceiveMessage.Invoke(new DelegateRevMessage(RevMessage), receiveMsg);
                //}
                //catch (Exception ex)
                //{
    
                //}
    
                #endregion
    
                #region 接收文本类型
    
                ITextMessage msg = (ITextMessage)message;
                tbReceiveMessage.Invoke(new DelegateRevMessage(RevMessage), msg);
    
                #endregion
            }
    
            public delegate void DelegateRevMessage(ITextMessage message);
    
            public void RevMessage(ITextMessage message)
            {
                tbReceiveMessage.Text += string.Format(@"接收到:{0}{1}", message.Text, Environment.NewLine);
            }
        }
    
        [DataContract]
        public class Student
        {
            [DataMember]
            public string Grade { get; set; }
    
            [DataMember]
            public string Name { get; set; }
    
            [DataMember]
            public string Sex { get; set; }
    
            [DataMember]
            public string Age { get; set; }
        }
    }

    六、根据服务器上操作系统的版本,选择进入到win32还是win64,开启ActiveMQ服务。

    七、然后启动我们程序,进行测试。

    最后附上源码

      链接: https://pan.baidu.com/s/1NOnGFVt_qyZYblU4d2P4Nw
      提取码: 7hbh

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  • 原文地址:https://www.cnblogs.com/swjian/p/11160129.html
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