java 字符串和输入流互转

/**
* 将一个字符串转化为输入流
*/
public  static  InputStream getStringStream(String sInputString){
if  (sInputString != null  && !sInputString.trim().equals( "" )){
try {
ByteArrayInputStream tInputStringStream = new  ByteArrayInputStream(sInputString.getBytes());
return  tInputStringStream;
} catch  (Exception ex){
ex.printStackTrace();
}
}
return  null ;
}

/**
* 将一个输入流转化为字符串
*/
public  static  String getStreamString(InputStream tInputStream){
if  (tInputStream != null ){
try {
BufferedReader tBufferedReader = new  BufferedReader( new  InputStreamReader(tInputStream));
StringBuffer tStringBuffer = new  StringBuffer();
String sTempOneLine = new  String( "" );
while  ((sTempOneLine = tBufferedReader.readLine()) != null ){
tStringBuffer.append(sTempOneLine);
}
return  tStringBuffer.toString();
} catch  (Exception ex){
ex.printStackTrace();
}
}
return  null ;
}
原文：http://www.cnblogs.com/jifeng/archive/2010/08/26/1809182.html