安卓Android图书馆占座app设计毕业源码案例设计.zip

      package com.mobileclient.util;

import java.io.ByteArrayOutputStream;
import java.io.DataOutputStream;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
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.util.EntityUtils;

import android.content.Intent;
import android.net.Uri;
import android.os.Environment;

import com.mobileclient.activity.photoListActivity;
import com.mobileclient.app.Declare;

public class HttpUtil {
	// 基础URL
	public static final String BASE_URL = "http://192.168.1.103:8080/JavaWebProject/";
	public static final String FILE_PATH = Environment.getExternalStorageDirectory().getAbsolutePath() + "/mobileclient";
	public static final String Cach_Dir =  Declare.context.getCacheDir().getAbsolutePath();

	// 获得Get请求对象request
	public static HttpGet getHttpGet(String url) { 
		HttpGet request = new HttpGet(url);
		return request;
	}

	// 获得Post请求对象request
	public static HttpPost getHttpPost(String url) {
		HttpPost request = new HttpPost(url);
		return request;
	}

	// 根据请求获得响应对象response
	public static HttpResponse getHttpResponse(HttpGet request)
			throws ClientProtocolException, IOException {
		HttpResponse response = new DefaultHttpClient().execute(request);
		return response;
	}

	// 根据请求获得响应对象response
	public static HttpResponse getHttpResponse(HttpPost request)
			throws ClientProtocolException, IOException {
		HttpResponse response = new DefaultHttpClient().execute(request);
		return response;
	}

	// 发送Post请求，获得响应查询结果
	public static String queryStringForPost(String url) {
		// 根据url获得HttpPost对象
		HttpPost request = HttpUtil.getHttpPost(url);
		String result = null;
		try {
			// 获得响应对象
			HttpResponse response = HttpUtil.getHttpResponse(request);
			// 判断是否请求成功
			if (response.getStatusLine().getStatusCode() == 200) {
				// 获得响应
				result = EntityUtils.toString(response.getEntity());
				return result;
			}
		} catch (ClientProtocolException e) {
			e.printStackTrace();
			result = "网络异常！";
			return result;
		} catch (IOException e) {
			e.printStackTrace();
			result = "网络异常！";
			return result;
		}
		return null;
	}

	// 获得响应查询结果
	public static String queryStringForPost(HttpPost request) {
		String result = null;
		try {
			// 获得响应对象
			HttpResponse response = HttpUtil.getHttpResponse(request);
			// 判断是否请求成功
			if (response.getStatusLine().getStatusCode() == 200) {
				// 获得响应
				result = EntityUtils.toString(response.getEntity());
				return result;
			}
		} catch (ClientProtocolException e) {
			e.printStackTrace();
			result = "网络异常！";
			return result;
		} catch (IOException e) {
			e.printStackTrace();
			result = "网络异常！";
			return result;
		}
		return null;
	}

	// 发送Get请求，获得响应查询结果
	public static String queryStringForGet(String url) {
		// 获得HttpGet对象
		HttpGet request = HttpUtil.getHttpGet(url);
		String result = null;
		try {
			// 获得响应对象
			HttpResponse response = HttpUtil.getHttpResponse(request);
			// 判断是否请求成功
			if (response.getStatusLine().getStatusCode() == 200) {
				// 获得响应
				result = EntityUtils.toString(response.getEntity());
				return result;
			}
		} catch (ClientProtocolException e) {
			e.printStackTrace();
			result = "网络异常！";
			return result;
		} catch (IOException e) {
			e.printStackTrace();
			result = "网络异常！";
			return result;
		}
		return null;
	}

	public static boolean sendXML(String path, String xml) throws Exception {
		byte[] data = xml.getBytes();
		URL url = new URL(path);
		HttpURLConnection conn = (HttpURLConnection) url.openConnection();
		conn.setRequestMethod("POST");
		conn.setConnectTimeout(5 * 1000);
		conn.setDoOutput(true);// 如果通过post提交数据，必须设置允许对外输出数据
		conn.setRequestProperty("Content-Type", "text/xml; charset=UTF-8");
		conn.setRequestProperty("Content-Length", String.valueOf(data.length));
		OutputStream outStream = conn.getOutputStream();
		outStream.write(data);
		outStream.flush();
		outStream.close();
		if (conn.getResponseCode() == 200) {
			return true;
		}
		return false;
	}

	public static byte[] sendGetRequest(String path,
			Map<String, String> params, String enc) throws Exception {
		StringBuilder sb = new StringBuilder(path);
		sb.append('?');
		// ?method=save&title=435435435&timelength=89&
		for (Map.Entry<String, String> entry : params.entrySet()) {
			sb.append(entry.getKey()).append('=')
					.append(URLEncoder.encode(entry.getValue(), enc))
					.append('&');
		}
		sb.deleteCharAt(sb.length() - 1);

		URL url = new URL(sb.toString());
		HttpURLConnection conn = (HttpURLConnection) url.openConnection();
		conn.setRequestMethod("GET");
		conn.setConnectTimeout(5 * 1000);

		if (conn.getResponseCode() == 200) {
			return readStream(conn.getInputStream());
		}
		return null;
	}

	public static boolean sendPostRequest(String path,
			Map<String, String> params, String enc) throws Exception {
		// title=dsfdsf&timelength=23&method=save
		StringBuilder sb = new StringBuilder();
		if (params != null && !params.isEmpty()) {
			for (Map.Entry<String, String> entry : params.entrySet()) {
				sb.append(entry.getKey()).append('=')
						.append(URLEncoder.encode(entry.getValue(), enc))
						.append('&');
			}
			sb.deleteCharAt(sb.length() - 1);
		}
		byte[] entitydata = sb.toString().getBytes();// 得到实体的二进制数据
		URL url = new URL(path);
		HttpURLConnection conn = (HttpURLConnection) url.openConnection();
		conn.setRequestMethod("POST");
		conn.setConnectTimeout(5 * 1000);
		conn.setDoOutput(true);// 如果通过post提交数据，必须设置允许对外输出数据
		// Content-Type: application/x-www-form-urlencoded
		// Content-Length: 38
		conn.setRequestProperty("Content-Type",
				"application/x-www-form-urlencoded");
		conn.setRequestProperty("Content-Length",
				String.valueOf(entitydata.length));
		OutputStream outStream = conn.getOutputStream();
		outStream.write(entitydata);
		outStream.flush();
		outStream.close();
		if (conn.getResponseCode() == 200) {
			return true;
		}
		return false;
	}

	public static byte[] SendPostRequest(String path,
			Map<String, String> params, String enc) throws Exception {
		// title=dsfdsf&timelength=23&method=save
		StringBuilder sb = new StringBuilder();
		if (params != null && !params.isEmpty()) {
			for (Map.Entry<String, String> entry : params.entrySet()) {
				sb.append(entry.getKey()).append('=')
						.append(URLEncoder.encode(entry.getValue(), enc))
						.append('&');
			}
			sb.deleteCharAt(sb.length() - 1);
		}
		byte[] entitydata = sb.toString().getBytes();// 得到实体的二进制数据
		URL url = new URL(path);
		HttpURLConnection conn = (HttpURLConnection) url.openConnection();
		conn.setRequestMethod("POST");
		conn.setConnectTimeout(5 * 1000);
		conn.setDoOutput(true);// 如果通过post提交数据，必须设置允许对外输�