/**

     * 利用BufferedReader实现Inputstream转换成String <功能详细描述>

     *

     * @param in

     * @return String

     */

    public static String Inputstr2Str_Reader(InputStream in, String encode)

    {

        String str = "";

        try

        {

            if (encode == null || encode.equals(""))

            {

                // 默认以utf-8形式

                encode = "utf-8";

            }

            BufferedReader reader = new BufferedReader(new InputStreamReader(in, encode));

            StringBuffer sb = new StringBuffer();

            while ((str = reader.readLine()) != null)

            {

                sb.append(str).append("\n");

            }

            return sb.toString();

        }

        catch (UnsupportedEncodingException e1)

        {

            e1.printStackTrace();

        }

        catch (IOException e)

        {

            e.printStackTrace();

        }

        return str;

    }

    /**

     * 利用byte数组转换InputStream------->String <功能详细描述>

     *

     * @param in

     * @return

     * @see [类、类#方法、类#成员]

     */

    public static String Inputstr2Str_byteArr(InputStream in, String encode)

    {

        StringBuffer sb = new StringBuffer();

        byte[] b = new byte[1024];

        int len = 0;

        try

        {

            if (encode == null || encode.equals(""))

            {

                // 默认以utf-8形式

                encode = "utf-8";

            }

            while ((len = in.read(b)) != -1)

            {

                sb.append(new String(b, 0, len, encode));

            }

            return sb.toString();

        }

        catch (IOException e)

        {

            e.printStackTrace();

        }

        return "";

    }

    /**

     * 利用ByteArrayOutputStream：Inputstream------------>String <功能详细描述>

     *

     * @param in

     * @return

     * @see [类、类#方法、类#成员]

     */

    public static String Inputstr2Str_ByteArrayOutputStream(InputStream in,String encode)

    {

        ByteArrayOutputStream out = new ByteArrayOutputStream();

        byte[] b = new byte[1024];

        int len = 0;

        try

        {

            if (encode == null || encode.equals(""))

            {

                // 默认以utf-8形式

                encode = "utf-8";

            }

            while ((len = in.read(b)) > 0)

            {

                out.write(b, 0, len);

            }

            return out.toString(encode);

        }

        catch (IOException e)

        {

            e.printStackTrace();

        }

        return "";

    }

    /**

     * 利用ByteArrayInputStream：String------------------>InputStream <功能详细描述>

     *

     * @param inStr

     * @return

     * @see [类、类#方法、类#成员]

     */

    public static InputStream Str2Inputstr(String inStr)

    {

        try

        {

            // return new ByteArrayInputStream(inStr.getBytes());

            // return new ByteArrayInputStream(inStr.getBytes("UTF-8"));

            return new StringBufferInputStream(inStr);

        }

        catch (Exception e)

        {

            e.printStackTrace();

        }

        return null;

    }