//方式一

public staticString ReadAsChars(HttpServletRequest request)

{

BufferedReader br= null;

StringBuilder sb= new StringBuilder("");try{

br=request.getReader();

String str;while ((str = br.readLine()) != null)

{

sb.append(str);

}

br.close();

}catch(IOException e)

{

e.printStackTrace();

}finally{if (null !=br)

{try{

br.close();

}catch(IOException e)

{

e.printStackTrace();

}

}

}returnsb.toString();

}//方法二

public static voidReadAsChars2(HttpServletRequest request)

{

InputStream is= null;try{

is=request.getInputStream();

StringBuilder sb= newStringBuilder();byte[] b = new byte[4096];for (int n; (n = is.read(b)) != -1;)

{

sb.append(new String(b, 0, n));

}

}catch(IOException e)

{

e.printStackTrace();

}finally{if (null !=is)

{try{

is.close();

}catch(IOException e)

{

e.printStackTrace();

}

}

}

}//二进制读取

public static byte[] readAsBytes(HttpServletRequest request)

{int len =request.getContentLength();byte[] buffer = new byte[len];

ServletInputStream in= null;try{

in=request.getInputStream();

in.read(buffer,0, len);

in.close();

}catch(IOException e)

{

e.printStackTrace();

}finally{if (null !=in)

{try{

in.close();

}catch(IOException e)

{

e.printStackTrace();

}

}

}returnbuffer;

}

}