/**

      * get方法使用

      */

     private void httpGet() {

         new Thread() {

             @Override

             public void run() {
　　　　　　　　　　　　//此处的LOGIN是请求地址后面是拼接的参数

                 String path = LOGIN + "?phone=12345678900&password=123456";

                 URL url;

                 HttpURLConnection connection;

                 try {

                     url = new URL(path);

                     connection = (HttpURLConnection) url.openConnection();

                     connection.setConnectTimeout(4000);//设置链接超时

                     connection.setRequestMethod("GET");//设置请求方法

                     connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");//设置请求体的内容，处处默认也是一样表示请求的是文本内容

                     int responseCode = connection.getResponseCode();

                     if (responseCode == HttpURLConnection.HTTP_OK) {

                         InputStream inputStream = connection.getInputStream();

                         final String s = stremToString(inputStream);

                         runOnUiThread(new Runnable() {

                             @Override

                             public void run() {

                                 Toast.makeText(MainActivity.this, s, Toast.LENGTH_SHORT).show();

                             }

                         });

                         inputStream.close();

                     }

                 } catch (Exception e) {

                     e.printStackTrace();

                 }

             }

         }.start();

     }

    /**

      * post方法

      */

     private void httpPost(final Map<String, String> prams) {

         new Thread() {

             @Override

             public void run() {

                 if (prams == null) {

                     runOnUiThread(new Runnable() {

                         @Override

                         public void run() {

                             Toast.makeText(MainActivity.this, "缺少参数!", Toast.LENGTH_SHORT).show();

                         }

                     });

                     return;

                 }

                 URL url;

                 HttpURLConnection connection;

                 try {

                     //拼接传入的请求参数

                     StringBuffer buffer = new StringBuffer();

                     //读取传入的map集合里参数

                     for (Map.Entry<String, String> entry : prams.entrySet()) {

                         String key = entry.getKey();

                         String value = entry.getValue();

                         //拼接参数 例如：phone = 12345678900 & password = 123456

                         buffer.append(key + "=" + URLEncoder.encode(value, "utf-8") + "&");

                     }

                     //此处是删除末尾拼接的 & 符号

                     buffer.deleteCharAt(buffer.length() - 1);

                     //REGISTER 是我自己服务器的一个测试请求地址

                     url = new URL(REGISTER);

                     connection = (HttpURLConnection) url.openConnection();

                     connection.setConnectTimeout(4000);

                     //此处的输出流表示  服务器对客服端的响应输出流 即InPutStream

                     //此处的输入流表示 客服端向服务器输入数据即 OutPutStream

                     connection.setDoInput(true);//获取服务器的响应输出流 此处默认是true 可以不用设置

                     connection.setDoOutput(true);//设置允许向服务其写入数据，获取向服务器的输入流。

                     connection.setRequestMethod("POST");

                     //此处设置向服务器请求的内容 请求的是文本内容 默认是可以不用设置的

                     connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

                     //设置向服务器输入的请求体长度

                     connection.setRequestProperty("Content-Length", String.valueOf(buffer.toString().getBytes().length));

                     //向服务器写入请求体

                     connection.getOutputStream().write(buffer.toString().getBytes());

                     //获取请求状态吗 HttpURLConnection.HTTP_OK 为请求成功 写200 也可以的

                     int responseCode = connection.getResponseCode();

                     if (responseCode == HttpURLConnection.HTTP_OK) {

                         InputStream inputStream = connection.getInputStream();

                         final String result = stremToString(inputStream);

                         runOnUiThread(new Runnable() {

                             @Override

                             public void run() {

                                 Toast.makeText(MainActivity.this, result, Toast.LENGTH_SHORT).show();

                             }

                         });

                         inputStream.close();

                     }

                 } catch (Exception e) {

                     e.printStackTrace();

                 }

             }

         }.start();

     }

  /**

      * 把输入流转换成字符串

      *

      * @param inputStream

      * @return

      * @throws IOException

      */

     private String stremToString(InputStream inputStream) throws IOException {

         ByteArrayOutputStream bos = new ByteArrayOutputStream();

         if (inputStream != null) {

             int len;

             byte[] bytes = new byte[1024];

             while ((len = inputStream.read(bytes)) != -1) {

                 bos.write(bytes, 0, len);

             }

             return bos.toString();

         } else {

             return "";

         }

     }