Java连接MQ的实例, 测试类
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- package cjf.mq.mqclient;
- import com.ibm.mq.MQC;
- import com.ibm.mq.MQEnvironment;
- import com.ibm.mq.MQException;
- import com.ibm.mq.MQGetMessageOptions;
- import com.ibm.mq.MQMessage;
- import com.ibm.mq.MQPutMessageOptions;
- import com.ibm.mq.MQQueue;
- import com.ibm.mq.MQQueueManager;
- import com.ibm.mq.MQGetMessageOptions;
- public class MQClient {
- static MQQueueManager qMgr;
- static int CCSID = 1381;//WINGBK,1208:UTF-8
- static String queueString = "MQ_QUEUE";
- public static void connect() throws MQException {
- MQEnvironment.hostname = "";
- MQEnvironment.channel = "java.channel";
- MQEnvironment.port = 1321;
- MQEnvironment.CCSID = CCSID;
- qMgr = new MQQueueManager("MQ_TEST");
- qMgr.disconnect();
- }
- public static void sendMsg(String msgStr) {
- int openOptions = MQC.MQOO_INPUT_AS_Q_DEF | MQC.MQOO_OUTPUT
- | MQC.MQOO_INQUIRE;
- MQQueue queue = null;
- try {
- // 建立Q1通道的连接
- queue = qMgr
- .accessQueue(queueString, openOptions, null, null, null);
- MQMessage msg = new MQMessage();// 要写入队列的消息
- msg.format = MQC.MQFMT_STRING;
- msg.characterSet = CCSID;
- msg.encoding = CCSID;
- // msg.writeObject(msgStr); //将消息写入消息对象中
- msg.writeString(msgStr);
- MQPutMessageOptions pmo = new MQPutMessageOptions();
- msg.expiry = -1; // 设置消息用不过期
- queue.put(msg, pmo);// 将消息放入队列
- } catch (Exception e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- } finally {
- if (queue != null) {
- try {
- queue.close();
- } catch (MQException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- }
- }
- }
- }
- public static void receiveMsg() {
- int openOptions = MQC.MQOO_INPUT_AS_Q_DEF | MQC.MQOO_OUTPUT
- | MQC.MQOO_INQUIRE;
- MQQueue queue = null;
- try {
- queue = qMgr
- .accessQueue(queueString, openOptions, null, null, null);
- System.out.println("该队列当前的深度为:" + queue.getCurrentDepth());
- System.out.println("===========================");
- int depth = queue.getCurrentDepth();
- // 将队列的里的消息读出来
- while (depth-- > 0) {
- MQMessage msg = new MQMessage();// 要读的队列的消息
- MQGetMessageOptions gmo = new MQGetMessageOptions();
- queue.get(msg, gmo);
- System.out.println("消息的大小为:" + msg.getDataLength());
- System.out.println("消息的内容:\n"
- + msg.readLine());
- System.out.println("---------------------------");
- }
- } catch (Exception e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- } finally {
- if (queue != null) {
- try {
- queue.close();
- } catch (MQException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- }
- }
- }
- }
- public static void main(String[] args) throws MQException {
- connect();
- sendMsg("fuck MQ");
- receiveMsg();
- }
- }
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