Java乔晓松-httpURLConnection、URL、httpClient、httpPost、httpGet之代码详解篇

package com.example.lesson09_login;import java.io.ByteArrayOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import java.io.UnsupportedEncodingException;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.ProtocolException;import java.net.URL;import java.net.URLEncoder;import java.util.ArrayList;import java.util.List;import org.apache.http.HttpResponse;import org.apache.http.client.ClientProtocolException;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 android.annotation.SuppressLint;import android.app.Activity;import android.os.Bundle;import android.os.Handler;import android.os.Message;import android.text.TextUtils;import android.util.Log;import android.view.Menu;import android.view.View;import android.widget.Button;import android.widget.EditText;import android.widget.Toast;@SuppressLint("HandlerLeak")public class MainActivity extends Activity {public Button btn_get, btn_post;public EditText et_name, et_pass;public NetWorkUtil netWorkUtil;public Handler handler;public static final int GET = 1;public static final int POST = 2;public String name, pass, content;public String path = "http://172.22.64.18:8080/lesson09_login/csdn/UserAction_login.action";@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);btn_get = (Button) findViewById(R.id.btn_get);btn_post = (Button) findViewById(R.id.btn_post);et_name = (EditText) findViewById(R.id.et_name);et_pass = (EditText) findViewById(R.id.et_pass);netWorkUtil = new NetWorkUtil(this);handler = new Handler() {@Overridepublic void handleMessage(Message msg) {super.handleMessage(msg);switch (msg.what) {case GET:Toast.makeText(MainActivity.this, "GET请求成功++++++++++",Toast.LENGTH_LONG).show();Log.v("MainActity", content);break;case POST:Toast.makeText(MainActivity.this, "POST请求成功----------",Toast.LENGTH_LONG).show();Log.v("MainActity", content);break;default:break;}}};}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {// Inflate the menu; this adds items to the action bar if it is present.getMenuInflater().inflate(R.menu.main, menu);return true;}public void sendGet(View v) {if (!isEmpty()) {Toast.makeText(MainActivity.this, "用户名或密码不能为空...",Toast.LENGTH_LONG).show();} else {boolean flag = netWorkUtil.setNetWork();if (flag) {new Thread(new Runnable() {@Overridepublic void run() {name = et_name.getText().toString();pass = et_pass.getText().toString();// sendGetRequest(path, name, pass);sendGetClient(path, name, pass);handler.sendEmptyMessage(GET);}}).start();}}}public void sendPost(View v) {if (!isEmpty()) {Toast.makeText(MainActivity.this, "用户名或密码不能为空...",Toast.LENGTH_LONG).show();} else {boolean flag = netWorkUtil.setNetWork();if (flag) {new Thread(new Runnable() {@Overridepublic void run() {name = et_name.getText().toString();pass = et_pass.getText().toString();// sendPostRequest(path, name, pass);sendPostClient(path, name, pass);handler.sendEmptyMessage(POST);}}).start();}}}public boolean isEmpty() {boolean flag = false;if (TextUtils.isEmpty(et_name.getText().toString())|| TextUtils.isEmpty(et_pass.getText().toString())) {flag = false;} else {flag = true;}return flag;}@SuppressWarnings("unused")private void sendGetRequest(String path, String name, String pass) {String str = path + "?user.name=" + name + "&user.pass=" + pass;try {URL url = new URL(str);HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();httpURLConnection.setConnectTimeout(5000);httpURLConnection.setRequestMethod("GET");if (httpURLConnection.getResponseCode() == 200) {InputStream is = httpURLConnection.getInputStream();ByteArrayOutputStream bos = new ByteArrayOutputStream();byte[] buf = new byte[1024];int len = 0;while ((len = is.read(buf)) != -1) {bos.write(buf, 0, len);}byte[] data = bos.toByteArray();bos.flush();bos.close();is.close();content = new String(data);if (content.contains("gb2312")) {content = new String(data, "gb2312");}}httpURLConnection.disconnect();} catch (MalformedURLException e) {e.printStackTrace();} catch (ProtocolException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}@SuppressWarnings("unused")private void sendPostRequest(String path, String name, String pass) {try {String data = "user.name=" + name + "&user.pass=" + pass;URL url = new URL(path);HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();httpURLConnection.setConnectTimeout(5000);httpURLConnection.setRequestMethod("POST");httpURLConnection.setDoOutput(true);httpURLConnection.setRequestProperty("Content-Type","application/x-www-form-urlencoded");httpURLConnection.setRequestProperty("Content-Length",data.length() + "");OutputStream os = httpURLConnection.getOutputStream();byte[] buf = data.getBytes();os.write(buf);os.flush();os.close();if (httpURLConnection.getResponseCode() == 200) {InputStream is = httpURLConnection.getInputStream();ByteArrayOutputStream bos = new ByteArrayOutputStream();byte[] buf1 = new byte[1024];int len = 0;while ((len = is.read(buf1)) != -1) {bos.write(buf1, 0, len);}byte[] data1 = bos.toByteArray();bos.flush();bos.close();is.close();content = new String(data1);}httpURLConnection.disconnect();} catch (MalformedURLException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}public void sendGetClient(String path, String name, String pass) {try {String uri = path + "?user.name="+ URLEncoder.encode(name, "UTF-8") + "&user.pass="+ URLEncoder.encode(pass, "UTF-8");HttpClient httpClient = new DefaultHttpClient();HttpGet httpGet = new HttpGet(uri);HttpResponse httpResponse = httpClient.execute(httpGet);if (httpResponse.getStatusLine().getStatusCode() == 200) {InputStream is = httpResponse.getEntity().getContent();content = StringTool.isContent(is);}} catch (UnsupportedEncodingException e) {e.printStackTrace();} catch (ClientProtocolException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}@SuppressWarnings("unused")public void sendPostClient(String path, String name, String pass) {HttpClient httpClient = new DefaultHttpClient();HttpPost httpPost = new HttpPost(path);List<BasicNameValuePair> parameters = new ArrayList<BasicNameValuePair>();parameters.add(new BasicNameValuePair("user.name", name));parameters.add(new BasicNameValuePair("user.pass", pass));UrlEncodedFormEntity entity = null;try {entity = new UrlEncodedFormEntity(parameters, "UTF-8");HttpResponse httpResponse = httpClient.execute(httpPost);if (httpResponse.getStatusLine().getStatusCode() == 200) {InputStream is = httpResponse.getEntity().getContent();content = StringTool.isContent(is);}} catch (UnsupportedEncodingException e) {e.printStackTrace();} catch (ClientProtocolException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}}}

 

 

package com.example.lesson09_login;import java.io.ByteArrayOutputStream;import java.io.IOException;import java.io.InputStream;/** * 2013-6-10 上午9:33:34 *  * @author 乔晓松 */public class StringTool {public static String isContent(InputStream is) {String content = null;try {ByteArrayOutputStream bos = new ByteArrayOutputStream();byte[] buf = new byte[1024];int len = 0;while ((len = is.read(buf)) != -1) {bos.write(buf, 0, len);}byte[] data = bos.toByteArray();bos.flush();bos.close();is.close();content = new String(data);} catch (IOException e) {e.printStackTrace();}return content;}}

此代码都是本人亲自测试成功的，如要源码请给我留言