package com.bawei.xml; import java.io.IOException; import java.io.InputStream; import java.util.ArrayList; import java.util.List; import org.apache.http.HttpEntity; import org.apache.http.HttpResponse; import org.apache.http.client.ClientProtocolException; import org.apache.http.client.HttpClient; import org.apache.http.client.methods.HttpGet; import org.apache.http.impl.client.DefaultHttpClient; import org.apache.http.params.BasicHttpParams; import org.apache.http.params.HttpConnectionParams; import org.apache.http.params.HttpParams; import org.apache.http.util.EntityUtils; import org.xmlpull.v1.XmlPullParser; import org.xmlpull.v1.XmlPullParserException; import com.bawei.vo.Good; import android.os.Bundle; import android.app.Activity; import android.util.Xml; import android.view.Menu; public class MainActivity extends Activity { private String URL = "http://www.sciencenet.cn/xml/iphoneInterface.aspx?type=news&nums=20&pass="; private InputStream st; private List<Good> list; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); new Thread() { @Override public void run() { // TODO Auto-generated method stub HttpGet get = new HttpGet(URL); HttpParams params = new BasicHttpParams(); HttpConnectionParams.setConnectionTimeout(params, 5 * 1000); HttpConnectionParams.setSoTimeout(params, 5 * 1100); HttpClient client = new DefaultHttpClient(params); try { HttpResponse res = client.execute(get); if (res.getStatusLine().getStatusCode() == 200) { HttpEntity entity = res.getEntity(); st = entity.getContent(); System.out.println(st);
list = new ArrayList<Good>(); XmlPullParser parser = Xml.newPullParser(); try { try { parser.setInput(st, "utf-8"); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } int eventType = parser.getEventType(); String tagName = ""; Good good =null; while (eventType != XmlPullParser.END_DOCUMENT) { switch (eventType) { case XmlPullParser.START_DOCUMENT: break; case XmlPullParser.START_TAG: tagName = parser.getName(); if("item".equals(tagName)){ good = new Good(); } break; case XmlPullParser.TEXT: String text = parser.getText(); if("title".equals(tagName)){ good.setTitle(text); }else if("link".equals(tagName)){ good.setLink(text); }else if("imgs".equals(tagName)){ good.setImgs(text); }else if("description".equals(tagName)){ good.setDescription(text); }else if("copyright".equals(tagName)){ good.setCopyright(text); }else if("pubDate".equals(tagName)){ good.setPubDate(text); }else if("comments".equals(tagName)){ good.setComments(text); }else break; case XmlPullParser.END_TAG: tagName= parser.getName(); if("item".equals(tagName)){ list.add(good); System.out.println(list.toString()); good=null; } tagName=""; break; }
//继续 eventType=parser.next(); } } catch (XmlPullParserException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); }
} } catch (ClientProtocolException e) { // TODO Auto-generated catch block e.printStackTrace(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }.start(); } }
package com.bawei.vo; public class Good { private String title; private String link; private String imgs; private String description; private String copyright; private String pubDate; private String comments; public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public String getLink() { return link; } public void setLink(String link) { this.link = link; } public String getImgs() { return imgs; } public void setImgs(String imgs) { this.imgs = imgs; } public String getDescription() { return description; } public void setDescription(String description) { this.description = description; } public String getCopyright() { return copyright; } public void setCopyright(String copyright) { this.copyright = copyright; } public String getPubDate() { return pubDate; } public void setPubDate(String pubDate) { this.pubDate = pubDate; } public String getComments() { return comments; } public void setComments(String comments) { this.comments = comments; } @Override public String toString() { return "Good [title=" + title + ", link=" + link + ", imgs=" + imgs + ", description=" + description + ", copyright=" + copyright + ", pubDate=" + pubDate + ", comments=" + comments + "]"; } public Good(String title, String link, String imgs, String description, String copyright, String pubDate, String comments) { super(); this.title = title; this.link = link; this.imgs = imgs; this.description = description; this.copyright = copyright; this.pubDate = pubDate; this.comments = comments; } public Good() { super(); } }
另一种网络请求
private InputStream loginByServerByPost(String url1) { InputStream rs = null; URL url = null; HttpURLConnection urlConn = null; try { url = new URL(url1);// 创建和服务器的连接对象URL urlConn = (HttpURLConnection) url.openConnection();// 打开连接 urlConn.setConnectTimeout(5 * 1000);// 设置连接超时容忍时间 urlConn.setReadTimeout(5 * 1000);// 设置读取时间 if (urlConn.getResponseCode() == 200) {// 如果响应码为200表示响应成功，并且同时成功的相应了数据 // 获得服务器相应的数据，字节输入流（数据流），转换为缓存字符流便于读取 rs = urlConn.getInputStream(); } } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } return rs;// 转换为字符串，返回 };