package cn.xm.hostrequest.biz;import java.io.OutputStream;import java.net.HttpURLConnection;import java.net.URL;import java.net.URLEncoder;import java.util.ArrayList;import java.util.List;import org.apache.http.Header;import org.apache.http.HttpResponse;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 android.content.Context;import android.widget.Toast;import cn.xm.hostrequest.tools.StreamTools;import com.loopj.android.http.AsyncHttpClient;import com.loopj.android.http.AsyncHttpResponseHandler;import com.loopj.android.http.RequestParams;public class LoginService {	public static boolean loginByGet(String path, String username,			String password) {		try {			URL url = new URL(path + "?user="					+ URLEncoder.encode(username, "utf-8") + "&pwd="					+ URLEncoder.encode(password, "utf-8"));			HttpURLConnection conn = (HttpURLConnection) url.openConnection();			conn.setRequestMethod("GET");			conn.setConnectTimeout(5000);			int code = conn.getResponseCode();			if (code == 200) {				String response = StreamTools.readInputInputStream(conn						.getInputStream());				if (response != null && response.equals("true")) {					return true;				}			}		} catch (Exception e) {			e.printStackTrace();		}		return false;	}	public static boolean loginByPost(String path, String username,			String password) {		try {			// 创建 url			URL url = new URL(path);			// 利用 url打开连接			HttpURLConnection conn = (HttpURLConnection) url.openConnection();			// 设置 请求参数			conn.setRequestMethod("POST"); // post 请求			conn.setConnectTimeout(5000); // 连接超时时间			conn.setDoOutput(true); // 充许写出输出流到 服务器			// 拼装 post请求的数据			String data = "http://www.mamicode.com/user=" + URLEncoder.encode(username, "utf-8")					+ "&pwd=" + URLEncoder.encode(password, "utf-8");			// 设置 消息头			conn.addRequestProperty("Content-Type",					"application/x-www-form-urlencoded");			// 设置数据长度			conn.addRequestProperty("Content-Length", data.length() + "");			// 取输出流 并写入数据			OutputStream os = conn.getOutputStream();			os.write(data.getBytes());			// 执行请求 并取响应码			int code = conn.getResponseCode();			if (code == 200) {				String response = StreamTools.readInputInputStream(conn						.getInputStream());				if (response != null && response.equals("true")) {					return true;				}			}		} catch (Exception e) {			e.printStackTrace();		}		return false;	}	public static boolean loginByClientPost(String path, String username,			String password) {		try {			// 打开 httpClient == 打开浏览器			HttpClient client = new DefaultHttpClient();			// 设置 要 访问的 url == form 中的 action			HttpPost post = new HttpPost(path);			// 创建 post 数据 == form 中填写的数据			List<NameValuePair> parameters = new ArrayList<NameValuePair>(0);			parameters.add(new BasicNameValuePair("user", username));			parameters.add(new BasicNameValuePair("pwd", password));			// 设置数据			post.setEntity(new UrlEncodedFormEntity(parameters, "utf-8"));			// 发送请求并得到响应			HttpResponse response = client.execute(post);			// 获取响应码			int code = response.getStatusLine().getStatusCode();			if (code == 200) {				String text = StreamTools.readInputInputStream(response						.getEntity().getContent());				if (text != null && text.equals("true")) {					return true;				}			}		} catch (Exception e) {			e.printStackTrace();		}		return false;	}	public static boolean loginByClientGet(String path, String username,			String password) {		try {			// 打开httpclient==打开浏览器			HttpClient client = new DefaultHttpClient();			// 生成 要访问的 url == 输入地址			HttpGet httpGet = new HttpGet(path);			// 发送请求 == 敲回车			HttpResponse response = client.execute(httpGet);			// 取状态码			int code = response.getStatusLine().getStatusCode();			if (code == 200) {				String text = StreamTools.readInputInputStream(response						.getEntity().getContent());				if (text != null && text.equals("true")) {					return true;				}			}		} catch (Exception e) {			e.printStackTrace();		}		return false;	}	public static void loginByAsyncGet(final Context context, String path,			String username, String password) {		AsyncHttpClient client = new AsyncHttpClient();		client.get(path + "?user=" + username + "&pwd=" + password,				new AsyncHttpResponseHandler() {					@Override					public void onSuccess(int statusCode, Header[] headers,							byte[] responseBody) {						String text = new String(responseBody);						if ("true".equals(text)) {							Toast.makeText(context, "登陆成功", 0).show();						} else {							Toast.makeText(context, "登陆失败", 0).show();						}					}					@Override					public void onFailure(int statusCode, Header[] headers,							byte[] responseBody, Throwable error) {						Toast.makeText(context, "登陆失败", 0).show();					}				});	}	public static void loginByAsyncPost(final Context context, String path,			String username, String password) {		AsyncHttpClient client = new AsyncHttpClient();		RequestParams parm = new RequestParams();		parm.put("user", username);		parm.put("pwd", password);		client.post(path, parm, new AsyncHttpResponseHandler() {			@Override			public void onSuccess(int statusCode, Header[] headers,					byte[] responseBody) {				String text = new String(responseBody);				if ("true".equals(text)) {					Toast.makeText(context, "登陆成功", 0).show();				} else {					Toast.makeText(context, "登陆失败", 0).show();				}			}			@Override			public void onFailure(int statusCode, Header[] headers,					byte[] responseBody, Throwable error) {				Toast.makeText(context, "登陆失败", 0).show();			}		});	}}