add baidunews sample

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

+package us.codecraft.webmagic.model.samples;
+
+import us.codecraft.webmagic.Site;
+import us.codecraft.webmagic.model.OOSpider;
+import us.codecraft.webmagic.model.annotation.ExtractBy;
+
+/**
+ * @author code4crafter@gmail.com
+ * @date 14-4-9
+ */
+public class BaiduNews {
+
+    @ExtractBy("//h3[@class='c-title']/a/text()")
+    private String name;
+
+    @ExtractBy("//div[@class='c-summary']/text()")
+    private String description;
+
+    @Override
+    public String toString() {
+        return "BaiduNews{" +
+                "name='" + name + '\'' +
+                ", description='" + description + '\'' +
+                '}';
+    }
+
+    public static void main(String[] args) {
+        OOSpider ooSpider = OOSpider.create(Site.me().setSleepTime(0), BaiduNews.class);
+        //single download
+        BaiduNews baike = ooSpider.<BaiduNews>get("http://news.baidu.com/ns?tn=news&cl=2&rn=20&ct=1&fr=bks0000&ie=utf-8&word=httpclient");
+        System.out.println(baike);
+
+        ooSpider.close();
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+}
\ No newline at end of file