/**

     * 将一个字符串转化为输入流

*/

publicstatic InputStream getStringStream(String sInputString)

if (sInputString != null && !sInputString.trim().equals(""))

try

            }

catch (Exception ex)

                ex.printStackTrace();

            }

        }

returnnull;

    }

     * 将一个输入流转化为字符串

*/

publicstatic String getStreamString(InputStream tInputStream)

if (tInputStream != null)

try

while ((sTempOneLine = tBufferedReader.readLine()) != null)

                    tStringBuffer.append(sTempOneLine);

                }

return tStringBuffer.toString();

            }

catch (Exception ex)

                ex.printStackTrace();

            }

        }

returnnull;

    }

--转自