Android使用HttpURLConnect HttpClient访问WebService查询手机号码归属地

本内容适合初学Android网络编程、XML解析的童鞋查看，主要内容已添加注释，所以只贴代码即可。

效果图：

①访问网络、解析XML文件工具类:WebServiceUtil.java

package com.lee.webservicedemo2.util;import java.io.IOException;import java.io.InputStream;import java.io.PrintWriter;import .HttpURLConnection;import .URL;import .URLEncoder;import java.util.ArrayList;import java.util.List;import javax.xml.parsers.SAXParser;import javax.xml.parsers.SAXParserFactory;import org.apache.http.HttpResponse;import org.apache.http.HttpStatus;import org.apache.http.NameValuePair;import org.apache.http.client.HttpClient;import org.apache.http.client.entity.UrlEncodedFormEntity;import org.apache.http.client.methods.HttpGet;import org.apache.http.client.methods.HttpPost;import org.apache.http.impl.client.DefaultHttpClient;import org.apache.http.message.BasicNameValuePair;import org.apache.http.protocol.HTTP;import org.xml.sax.Attributes;import org.xml.sax.SAXException;import org.xml.sax.helpers.DefaultHandler;import android.content.Context;import android.util.Log;/*** @author Administrator*网络上很多使用SOAP协议的方法，这里就使用http*/public class WebServiceUtil {static String path = "/WebServices/MobileCodeWS.asmx/getMobileCodeInfo";/*** 使用HttpURLConnection的get方式访问网络，获取手机号码归属地数据流* By Lee in 9月3日* */public static String getAddressGet(Context context, String mobileNumber)throws IOException {//String path = "/WebServices/MobileCodeWS.asmx/getMobileCodeInfo";path = path + "?mobileCode=" + URLEncoder.encode(mobileNumber, "utf-8")+ "&userId=";URL url = new URL(path);HttpURLConnection conn = (HttpURLConnection) url.openConnection();conn.setRequestMethod("GET");Log.v("Lee", "GET conn = " + conn);if (conn.getResponseCode() == 200) {Log.v("Lee", "Connect Successed!");return parserXML(conn.getInputStream());} else {Log.v("Lee","Connect failed! + error code: " + conn.getResponseCode());}return null;}/*** 使用HttpURLConnection的Post方式访问网络，获取手机号码归属地数据流* By Lee in 9月3日* */public static String getAddressPost(Context context, String mobileNumber)throws IOException {//String path = "/WebServices/MobileCodeWS.asmx/getMobileCodeInfo";URL url = new URL(path);String content = "mobileCode=" + URLEncoder.encode(mobileNumber, "utf-8")+ "&userID=";Log.v("Lee", "POST content = " + content);HttpURLConnection conn = (HttpURLConnection) url.openConnection();conn.setRequestMethod("POST");conn.setUseCaches(false);conn.setDoOutput(true);conn.setRequestProperty("Content-Type","application/x-www-form-urlencoded");conn.setRequestProperty("Content-Length",content.getBytes().length + "");conn.connect();//one:// conn.getOutputStream().write(content.getBytes());// conn.getOutputStream().flush();// conn.getOutputStream().close();//two:// DataOutputStream dos = new DataOutputStream(conn.getOutputStream());// dos.writeBytes(content);// dos.flush();// dos.close();//three:PrintWriter printer = new PrintWriter(conn.getOutputStream());printer.print(content);printer.flush();printer.close();Log.v("Lee", "POST conn = " + conn);if (conn.getResponseCode() == 200) {Log.v("Lee", "Connect Successed!");return parserXML(conn.getInputStream());} else {Log.v("Lee","Connect failed! + error code: " + conn.getResponseCode());}return null;}/*** 使用apache HttpClient的get方式访问网络，获取手机号码归属地数据流* By Lee in 9月3日* * 存在问题：只能查询一次，之后会出现.SocketException: recvfrom failed: ECONNRESET (Connection reset by peer)错误，* 网上找了，没有找到解决方法，不知道是哪里的问题* */public static String getAddressHttpClientGet(Context context, String mobileNumber) throws Exception{HttpClient httpClient = new DefaultHttpClient();path = path + "?mobileCode=" + URLEncoder.encode(mobileNumber, "utf-8")+ "&userId=";HttpGet httpGet = new HttpGet(path);//httpGet.setHeader("Accept", "Accept text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");//httpGet.setHeader(name, value)//System.setProperty("http.keepAlive", "false");HttpResponse httpResponse = httpClient.execute(httpGet);InputStream inputStream = httpResponse.getEntity().getContent();//httpGet.abort();if(httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_OK){//Log.v("Lee", "HttpClientGet---inputStream = " + inputStream);String addr = parserXML(inputStream);inputStream.close();httpGet.abort();return addr;}return null;}/*** 使用apache HttpClient的Post方式访问网络，获取手机号码归属地数据流* By Lee in 9月3日* */public static String getAddressHttpClientPost(Context context, String mobileNumber) throws Exception{HttpClient httpClient = new DefaultHttpClient();HttpPost httpRequest = new HttpPost(path);List<NameValuePair> vars = new ArrayList<NameValuePair>();vars.add(new BasicNameValuePair("mobileCode", mobileNumber));vars.add(new BasicNameValuePair("userId", ""));httpRequest.setEntity(new UrlEncodedFormEntity(vars, HTTP.UTF_8));HttpResponse httpResponse = httpClient.execute(httpRequest);InputStream inputStream = httpResponse.getEntity().getContent();//httpGet.abort();if(httpResponse.getStatusLine().getStatusCode() == HttpStatus.SC_OK){//Log.v("Lee", "HttpClientGet---inputStream = " + inputStream);String addr = parserXML(inputStream);inputStream.close();httpRequest.abort();return addr;}return null;}/*** @param inputStream 传入的是XML文件流对象* @return*/public static String parserXML(InputStream inputStream) {SAXParserFactory saxFactory = SAXParserFactory.newInstance();try {SAXParser parser = saxFactory.newSAXParser();ParserXMLHandler handler = new ParserXMLHandler();parser.parse(inputStream, handler);return handler.getAddress();} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}return null;}/*** XML文件解析* Android常用的xml解析方法有DOM、SAX、PULL，这里其实使用PULL方法更简易的，* 不过为了熟悉一下SAX的解析流程，本例使用了SAX* */static class ParserXMLHandler extends DefaultHandler {private String address;private String preTag; //记住前一个节点public String getAddress() {return address;}@Overridepublic void characters(char[] ch, int start, int length)throws SAXException {// TODO Auto-generated method stubif (preTag != null) {String content = new String(ch, start, length);if ("string".equals(preTag)) {address = content;Log.v("Lee", "content == " + content);}}}@Overridepublic void endDocument() throws SAXException {// TODO Auto-generated method stubsuper.endDocument();}@Overridepublic void endElement(String uri, String localName, String qName)throws SAXException {// TODO Auto-generated method stubpreTag = null;}@Overridepublic void startDocument() throws SAXException {// TODO Auto-generated method stubsuper.startDocument();}@Overridepublic void startElement(String uri, String localName, String qName,Attributes attributes) throws SAXException {// TODO Auto-generated method stubpreTag = localName;}}}

主界面代码MainActivity.java

package com.lee.webservicedemo2;import android.app.Activity;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.view.View;import android.view.View.OnClickListener;import android.widget.EditText;import android.widget.TextView;import com.lee.webservicedemo2.util.WebServiceUtil;/*** 注意添加网络访问权限：<uses-permission android:name="android.permission.INTERNET"/>* 测试手机系统的环境：Android 4.3* * */public class MainActivity extends Activity {private TextView tv_addr;Handler handler = null;String addr = null;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);tv_addr = ((TextView)findViewById(R.id.tv_location));//使用Handler更新UIhandler = new Handler(){@Overridepublic void handleMessage(Message msg) {// TODO Auto-generated method stubif(msg.what == 0x100){tv_addr.setText(addr);}}};findViewById(mit_btn).setOnClickListener(new OnClickListener() {@Overridepublic void onClick(View arg0) {// TODO Auto-generated method stub//主线程不可访问网络new Thread(new Runnable() {@Overridepublic void run() {try {String mobileName = ((EditText) findViewById(R.id.mobilenumber_edit)).getText().toString().trim();//至少7位才能查询if(mobileName.length() < 7){addr = null;handler.sendEmptyMessage(0x100);return;}//String temp = WebServiceUtil.getAddressGet(MainActivity.this, mobileName);//GET methodString temp = WebServiceUtil.getAddressHttpClientPost(MainActivity.this, mobileName);//使用不同的网络访问方式if (temp != null && temp.length() > 0) {addr = temp.substring(temp.indexOf("：") + 1, temp.length()); //此处分隔符是中文：冒号}else{addr = null;}//使用Handler更新UIhandler.sendEmptyMessage(0x100);} catch (Exception e) {// TODO Auto-generated catch blocke.printStackTrace();}}}).start();}});}}

布局文件 activity_main.xml：

<LinearLayout xmlns:android="/apk/res/android"xmlns:tools="/tools"android:layout_width="match_parent"android:layout_height="match_parent"android:orientation="vertical"android:paddingBottom="@dimen/activity_vertical_margin"android:paddingLeft="@dimen/activity_horizontal_margin"android:paddingRight="@dimen/activity_horizontal_margin"android:paddingTop="@dimen/activity_vertical_margin"tools:context=".MainActivity" ><TextViewandroid:layout_width="match_parent"android:layout_height="wrap_content"android:text="请输入手机号码：" /><EditText android:id="@+id/mobilenumber_edit"android:layout_marginTop="4dip"android:layout_width="match_parent"android:layout_height="wrap_content"android:hint="至少7位号码"/><Button android:id="@+id/commit_btn"android:layout_marginTop="4dip"android:layout_width="match_parent"android:layout_height="wrap_content"android:text="查询"/><TextViewandroid:id="@+id/tv_location"android:layout_width="match_parent"android:layout_height="wrap_content"/></LinearLayout>

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