应用程序名（Application）：KSddeserver

主题（Topic）：KStopic

项目（Item）：变量名称

dde server代码如下:

/** Copyright 2013 www.pretty-tools.com. All rights reserved.*/import com.pretty_tools.dde.ClipboardFormat;
import com.pretty_tools.dde.DDEException;
import com.pretty_tools.dde.DDEMLException;
import com.pretty_tools.dde.client.DDEClientConversation;
import com.pretty_tools.dde.client.DDEClientEventListener;
import com.pretty_tools.dde.server.DDEServer;import java.util.Arrays;
import java.util.List;
import java.util.Timer;
import java.util.TimerTask;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicInteger;/*** DDE Server Example.** @author Alexander Kozlov*/
public class DDEServerExample
{private static final String SERVICE = "MyServer";private static final String TOPIC = "MyTopic";private static final String MY_ADVISE_ITEM = "MyAdvise";private static final String MY_REQUEST_ITEM = "MyRequest";private static final String MY_POKE_ITEM = "MyPoke";private static final List<String> ITEMS = Arrays.asList(MY_ADVISE_ITEM, MY_REQUEST_ITEM, MY_POKE_ITEM);public static void main(String[] args){try{// event to wait disconnectionfinal CountDownLatch eventStop = new CountDownLatch(1);final AtomicInteger num = new AtomicInteger(1);final DDEServer server = new DDEServer(SERVICE) {@Overrideprotected boolean isTopicSupported(String topicName){return TOPIC.equalsIgnoreCase(topicName);}@Overrideprotected boolean isItemSupported(String topic, String item, int uFmt){return isTopicSupported(topic)&& ITEMS.contains(item)&& (uFmt == ClipboardFormat.CF_TEXT.getNativeCode() || uFmt == ClipboardFormat.CF_UNICODETEXT.getNativeCode());}@Overrideprotected boolean onExecute(String command){System.out.println("onExecute(" + command + ")");if ("stop".equalsIgnoreCase(command))eventStop.countDown();return true;}@Overrideprotected boolean onPoke(String topic, String item, String data){System.out.println("onPoke(" + topic + ", " + item + ", " + data + ")");return true;}@Overrideprotected boolean onPoke(String topic, String item, byte[] data, int uFmt){System.out.println("onPoke(" + topic + ", " + item + ", " + data + ", " + uFmt + ")");return false; // we do not support it}@Overrideprotected String onRequest(String topic, String item){System.out.println("onRequest(" + topic + ", " + item + ")");return item + " data " + num;}@Overrideprotected byte[] onRequest(String topic, String item, int uFmt){System.out.println("onPoke(" + topic + ", " + item + ", " + uFmt + ")");return null; // we do not support it}};System.out.println("Starting...");server.start();final Timer timer = new Timer();timer.schedule(new TimerTask() {@Overridepublic void run(){num.incrementAndGet();try {System.out.println("notify clients");server.notifyClients(TOPIC, MY_ADVISE_ITEM);} catch (DDEException e) {System.out.println("DDEClientException: " + e.getMessage());cancel();}}}, 1000L, 500L);System.out.println("Waiting for stop...");eventStop.await();System.out.println("stopping...");timer.cancel();server.stop();System.out.println("Exit from thread");}catch (DDEMLException e){System.out.println("DDEMLException: 0x" + Integer.toHexString(e.getErrorCode()) + " " + e.getMessage());}catch (DDEException e){System.out.println("DDEClientException: " + e.getMessage());}catch (Exception e){System.out.println("Exception: " + e);}}
}

如果嫌费事的,可以直接下载编译好的jar包,Download all examples and binaries,直接运行下面命令,可以启动dde server.

java -cp .;pretty-tools-JDDE-2.1.0.jar DDEServerExample

windows下可以直接通过excel的公式来订阅dde server的变量,下面以EXCEL应用程序访问数据交换的过程,新建一个EXCEL文件，在相应的单元格中（如第一行、第一列）输入如下代码：

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