安卓http post

package com.extop.appday;
import android.content.Context;
import android.util.Log;
import android.widget.Toast;

import java.net.HttpURLConnection;
import java.net.URL;
import java.io.OutputStream;
import java.io.InputStream;
import java.util.Map;
import java.io.IOException;
import java.net.URLEncoder;
import java.io.ByteArrayOutputStream;

public class HttpUtils {

    public static String post(String httpUrl, String strData)
    {
        try{
            byte[] data = strData.getBytes();//获得请求体
            URL url = new URL(httpUrl);
            HttpURLConnection httpURLConnection = (HttpURLConnection)url.openConnection();
            httpURLConnection.setConnectTimeout(5000);     //设置连接超时时间
            httpURLConnection.setDoInput(true);                  //打开输入流，以便从服务器获取数据
            httpURLConnection.setDoOutput(true);                 //打开输出流，以便向服务器提交数据
            httpURLConnection.setRequestMethod("POST");     //设置以Post方式提交数据
            httpURLConnection.setUseCaches(false);               //使用Post方式不能使用缓存
            //设置请求体的类型是文本类型
            httpURLConnection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
//设置请求体的长度
            httpURLConnection.setRequestProperty("Content-Length", String.valueOf(data.length));
//获得输出流，向服务器写入数据
            OutputStream outputStream = httpURLConnection.getOutputStream();
            outputStream.write(data);

            int response = httpURLConnection.getResponseCode();            //获得服务器的响应码
            if(response == HttpURLConnection.HTTP_OK) {
                InputStream inptStream = httpURLConnection.getInputStream();
                return dealResponseResult(inptStream);                     //处理服务器的响应结果
            }
        }
        catch (Exception ex)
        {
            Log.d("AppDay", ex.toString());
        }
        return "ok";
    }

    public static String dealResponseResult(InputStream inputStream) {
        String resultData = null;      //存储处理结果
        ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
        byte[] data = new byte[1024];
        int len = 0;
        try {
            while((len = inputStream.read(data)) != -1) {
                byteArrayOutputStream.write(data, 0, len);
            }
        } catch (IOException e) {
//            e.printStackTrace();
            Log.d("AppDay", e.toString());
        }
        resultData = new String(byteArrayOutputStream.toByteArray());
        return resultData;
    }

}