请参阅 https://www.google.com/search?q=java%20sms [ ^ ]。

>

在您的代码中使用以下方法更改您的代码如下：





来自

In your code use the method below after changing your code as follow:


From

System.out.println(uc.getResponseMessage());

要

To

System.out.println(doHttpUrlConnectionAction(uc));

/**
   * Returns the output from the given URL.
   * 
   * I tried to hide exception-handling in this method, and just return a high
   * level Exception from here.
   * Modify this behavior as desired.
   * 
   * @param connection
   * @return
   * @throws Exception
   */
  private String doHttpUrlConnectionAction(HttpURLConnection connection)
  throws Exception
  {
    BufferedReader reader = null;
    StringBuilder stringBuilder;
 
    try
    {
      connection.connect();
 
      // read the output from the server
      reader = new BufferedReader(new   
     InputStreamReader(connection.getInputStream()));
      stringBuilder = new StringBuilder();
 
      String line = null;
      while ((line = reader.readLine()) != null)
      {
        stringBuilder.append(line + "\n");
      }
      return stringBuilder.toString();
    }
    catch (Exception e)
    {
      e.printStackTrace();
      throw e;
    }
    finally
    {
      // close the reader; this can throw an exception too, so
      // wrap it in another try/catch block.
      if (reader != null)
      {
        try
        {
          reader.close();
        }
        catch (IOException ioe)
        {
          ioe.printStackTrace();
        }
      }
    }
  }