http post请求类（包含url和报文）

ipu-open-platform/src/com/ai/ipu/open_platform/HttpURLConnectionHelper.java

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package com.ai.ipu.open_platform;
import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.net.URL;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import javax.net.ssl.HttpsURLConnection;
import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;
import android.text.TextUtils;
import android.util.Log;
public class HttpURLConnectionHelper {
	private static final String url = "http://10.1.243.24:20110/oppf?method=ABILITY_00000001&format=json&appId=1&busiSerial=1&operId=100004638522&version=3546fbdb6b1041cb4eb26339b9154e2c&accessToken=4d113372-d10a-4533-bec4-0e56e8a25062&timestamp=20140928165601&sign=1d63e3db2b2fbd2a232c5706478a69f6&openId=e2f94078-4c61-4d25-96ec-9a5aa82cb063";
	private void sendRequest(String url) throws IOException {
		InputStream is = null;
		try {
			URL newUrl = new URL(url);
			HttpsURLConnection conn = (HttpsURLConnection) newUrl
					.openConnection();
			// 设置读取超时为10秒
			conn.setReadTimeout(10000);
			// 设置连接超时为15秒
			conn.setConnectTimeout(15000);
			// 设置请求方式为POST
			conn.setRequestMethod("POST");
			// 接收输入流
			conn.setDoInput(true);
			// 启动输出流
			conn.setDoOutput(true);
			// 添加Header
			conn.setRequestProperty("Connection", "Keep-Alive");
			// 添加请求参数
			List<NameValuePair> paramsList = new ArrayList<NameValuePair>();
			paramsList.add(new BasicNameValuePair("Userld", "12345"));
			paramsList.add(new BasicNameValuePair("UserName", "why"));
			paramsList.add(new BasicNameValuePair("BillId", "233"));
			paramsList.add(new BasicNameValuePair("order_time", "20160126224723"));
			paramsList.add(new BasicNameValuePair("RegionId", "1"));
			paramsList.add(new BasicNameValuePair("OfferCode", "3"));
			paramsList.add(new BasicNameValuePair("OfferValue", "1"));
			
			writeParams(conn.getOutputStream(), paramsList);
			// 发起请求
			conn.connect();
			is = conn.getInputStream();
			// 获取结果
			String result = convertStreamToString(is);
			Log.i("", "请求结果：" + result);
		} finally {
			if (is != null) {
				is.close();
			}
		}
	}
	private void writeParams(OutputStream output, List<NameValuePair> paramsList)
			throws IOException {
		StringBuilder paramStr = new StringBuilder();
		for (NameValuePair pair : paramsList) {
			if (!TextUtils.isEmpty(paramStr)) {
				paramStr.append(URLEncoder.encode(pair.getName(), "UTF-8"));
				paramStr.append("=");
				paramStr.append(URLEncoder.encode(pair.getValue(), "UTF-8"));
			}
			BufferedWriter writer = new BufferedWriter(new OutputStreamWriter(
					output, "UTF-8"));
			// 将参数写入到输入流
			writer.write(paramStr.toString());
			writer.flush();
			writer.close();
		}
	}
	/**
	 * 将输入流转成字符串
	 * 
	 * @param is
	 * @return
	 */
	public String convertStreamToString(InputStream is) {
		BufferedReader reader = new BufferedReader(new InputStreamReader(is));
		StringBuilder sb = new StringBuilder();
		String line = null;
		try {
			while ((line = reader.readLine()) != null) {
				sb.append(line + "/n");
			}
		} catch (IOException e) {
			e.printStackTrace();
		} finally {
			try {
				is.close();
			} catch (IOException e) {
				e.printStackTrace();
			}
		}
		return sb.toString();
	}
}