servlet的doPost获取InputStream, 存入数据库

/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		//Step one
		System.out.println(new Date()+"\n");
		InputStream sin = new BufferedInputStream(request.getInputStream());
		ByteArrayOutputStream sout = new ByteArrayOutputStream();
		int b=0;
		while((b=sin.read())!=-1)
		{
		sout.write(b);
		}
		byte[] temp = sout.toByteArray();
		String s_ok = new String(temp,"UTF-8");
		String regex="[0123456789.]+";   //正则表达式分离s_ok
		Pattern p=Pattern.compile(regex);
		Matcher m=p.matcher(s_ok);
		int i=0;
		while(m.find())
		{
			String item=m.group();
			System.out.println(item);
			i++;
			if(i==2)
			{
					id=Integer.parseInt(item);
				System.out.println("这是第"+i+"个数字:"+item);
			}	
			if(i==4)
			{
				time=item;
				System.out.println("这是第"+i+"个数字:"+item);
			}
			if(i==6)
			{
					value=Integer.parseInt(item);
					System.out.println("这是第"+i+"个数字:"+item);
			}
				
			
		}
		
		System.out.println(s_ok);
		String sql = null;
		//System.out.print("this is request: "+request+"this is response: "+response);
		System.out.println("id:"+id+",time: "+time+" ,value: "+value);
		sql = "insert into location"   //sql语句
				+"(id,time,value)"
				+"values(    "+" ' "+id+" ' "+",   "+" ' "+time+" ' "+", "+" ' "+value+" ' "+")";	
		DBHelper mysql = new DBHelper(sql);	
		try {
			mysql.insertMess(request, id, time, value);
		} catch (SQLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			System.out.println("未成功插入数据!_API");
		}
		}
		return;	
		//doGet(request, response);
	}