eclipse 搭建连接 activemq
今天我特地写下笔记，希望可以完全掌握这个东西，也希望可以帮助到任何想对学习这个东西的同学。
1.下载activemq压缩包，并解压（如果需要下载请看文章尾部附录）
2.进入bin文件夹，（64位电脑就进入win64，,32进入win32）找到activemq.bat 文件，双击运行，产生如下界面
3.访问activemq页面http://localhost:8161，用户名密码都是admin
4.然后点击队列或者主题，本项目以主题为例
5.创建一个主题
可以看到默认都是0
6.打开eclipse，并新建maven项目
7.添加需要的jar包
8.添加tomcat服务
9.先运行测试，测试是否成功
7.运行成功后，开始正式写连接activemq代码
创建class
Producer.java代码如下：
1 package chansea.ToConnActivemq; 2 3 import java.util.Arrays; 4 import java.util.Random; 5 import java.util.Timer; 6 import java.util.TimerTask; 7 8 import javax.jms.Connection; 9 import javax.jms.ConnectionFactory; 10 import javax.jms.Destination; 11 import javax.jms.JMSException; 12 import javax.jms.MessageProducer; 13 import javax.jms.ObjectMessage; 14 import javax.jms.Session; 15 import javax.jms.TextMessage; 16 17 import org.apache.activemq.ActiveMQConnection; 18 import org.apache.activemq.ActiveMQConnectionFactory; 19 20 import net.sf.json.JSONObject; 21 22 import utils.Utils; 23 24 public class ProducerStu { 25 26 // 默认连接用户名 27 private static final String USERNAME = ActiveMQConnection.DEFAULT_USER; 28 // 默认连接密码 29 private static final String PASSWORD = ActiveMQConnection.DEFAULT_PASSWORD; 30 // 默认连接地址 31 private static final String BROKERURL = ActiveMQConnection.DEFAULT_BROKER_URL; 32 // 发送的消息数量 33 private static final int SENDNUM = 1; 34 35 public static void main(String[] args) { 36 // 连接工厂 37 ConnectionFactory connectionFactory; 38 // 连接 39 Connection connection = null; 40 // 会话,接收或者发送消息的线程 41 Session session; 42 // 消息的目的地 43 Destination destination; 44 // 消息生产者 45 MessageProducer messageProducer; 46 // 实例化连接工厂 47 connectionFactory = new ActiveMQConnectionFactory(ProducerStu.USERNAME, ProducerStu.PASSWORD, ProducerStu.BROKERURL); 48 49 try { 50 // 通过连接工厂获取连接 51 connection = connectionFactory.createConnection(); 52 // 启动连接 53 connection.start(); 54 // 创建session 55 session = connection.createSession(true, Session.AUTO_ACKNOWLEDGE); 56 // 创建一个名称为Status_Iot_Machines_J6-3_J6-3-9的消息队列 57 destination = session.createTopic("Status_Iot_Machines_J6-3_J6-3-9"); 58 // 创建消息生产者 59 messageProducer = session.createProducer(destination); 60 // 发送消息 61 sendMessage(session, messageProducer); 62 63 } catch (Exception e) { 64 e.printStackTrace(); 65 } 66 67 } 68 69 /** 70 * 发送消息 71 * 72 * @param session 链接会话 73 * @param messageProducer 消息生产者 74 * @throws Exception 75 */ 76 public static void sendMessage(final Session session, final MessageProducer messageProducer) throws Exception { 77 final Utils u = new Utils(); 78 System.out.println("----start：" + u.intToDateTime(System.currentTimeMillis(), "-")); 79 TimerTask task = new TimerTask() { 80 @Override 81 public void run() { 82 try { 83 Random r = new Random(); 84 int[] status = {-1,0,1,3,4,13,14,15,16,17}; 85 int _statusIndex = r.nextInt(status.length); 86 87 String[] macCode = 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88 int _index = r.nextInt(macCode.length - 1); 89 90 JSONObject obj = new JSONObject(); 91 obj.element("MachineCode", macCode[_index]); 92 obj.element("RunMode_Cur", "MEMory"); 93 obj.element("StatusID_Cur", status[_statusIndex]); 94 obj.element("StatusID_Pre", status[_statusIndex]); 95 obj.element("StatusStep", r.nextInt(1000)); 96 obj.element("Type_Data", 13); 97 obj.element("pub_time", System.currentTimeMillis()); 98 System.out.println("消息：" + obj + u.intToDateTime(obj.getLong("pub_time"), "-")); 99 // 创建一条文本消息 100 TextMessage message = session.createTextMessage(obj.toString()); 101 // 通过消息生产者发出消息 102 messageProducer.send(message); 103 session.commit(); 104 } catch (JMSException e) { 105 // TODO Auto-generated catch block 106 e.printStackTrace(); 107 } 108 } 109 }; 110 Timer timer = new Timer(); 111 // 开始等待时间 112 long delay = 100; 113 // 定义每次执行的间隔时间 114 long intevalPeriod = 1 * 900; 115 // 安排任务在一段时间内运行 116 timer.scheduleAtFixedRate(task, delay, intevalPeriod); 117 } 118 119 }
utils.java代码如下（本例为打印需要，如果不需要可不必添加，只需在Producer代码上相关utils的代码注释即可）：
package utils; import java.text.SimpleDateFormat; import java.util.Date; public class Utils { public String intToDateTime(Long timestamp, String symbol){ String sd = ""; Date d = new Date(); SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.sss"); sd = sdf.format(new Date(timestamp)); // 时间戳转换日期 return sd; } }
运行后
10.接着去查看activemq的也页面生产者是否大于0
有大于0，就算成功了
附录1：activemq下载
链接：https://pan.baidu.com/s/1jW0221hRnQ0kgV_XuOF-eg
提取码：9z6c
附录2：eclipse下载
链接：https://pan.baidu.com/s/1obT7Owr4G9VVs5o2rZkc0g
提取码：891y
附录3：jdk下载
链接：https://pan.baidu.com/s/1dsiMxYLQnBFQMOraU1ZTyw
提取码：yo23
附录4：tomcat下载
链接：https://pan.baidu.com/s/1Iob2hBFoT1LC3H3Y5XVJGA
提取码：rpfu
附录5：需要的jar包
https://files.cnblogs.com/files/Chansea/eclipse搭建连接activemq所需JAR包.zip
