add sample of 36kr #110

webmagic-samples/src/main/java/us/codecraft/webmagic/model/samples/Kr36NewsModel.java

 package us.codecraft.webmagic.model.samples;
 
 import us.codecraft.webmagic.Site;
+import us.codecraft.webmagic.Spider;
 import us.codecraft.webmagic.Task;
 import us.codecraft.webmagic.model.OOSpider;
+import us.codecraft.webmagic.monitor.SpiderMonitor;
 import us.codecraft.webmagic.pipeline.PageModelPipeline;
 import us.codecraft.webmagic.model.annotation.ExtractBy;
 import us.codecraft.webmagic.model.annotation.ExtractByUrl;
 import us.codecraft.webmagic.model.annotation.HelpUrl;
 import us.codecraft.webmagic.model.annotation.TargetUrl;
 
+import javax.management.JMException;
+import java.io.IOException;
+
 /**
  * @author code4crafter@gmail.com <br>
  */
@@ -25,14 +30,17 @@ public class Kr36NewsModel {
     @ExtractByUrl
     private String url;
 
-    public static void main(String[] args) {
+    public static void main(String[] args) throws IOException, JMException {
         //Just for benchmark
-        OOSpider.create(Site.me().addStartUrl("http://www.36kr.com/").setSleepTime(0), new PageModelPipeline() {
+        Spider thread = OOSpider.create(Site.me().addStartUrl("http://www.36kr.com/").setSleepTime(0), new PageModelPipeline() {
             @Override
             public void process(Object o, Task task) {
 
             }
-        },Kr36NewsModel.class).thread(20).run();
+        }, Kr36NewsModel.class).thread(20);
+        thread.run();
+        SpiderMonitor spiderMonitor = SpiderMonitor.create();
+        spiderMonitor.register(thread).jmxStart();
     }
 
     public String getTitle() {