Map reqMap=request.getParameterMap();  

        Set keSet=reqMap.entrySet();          for(Iterator itr=keSet.iterator();itr.hasNext();){              Map.Entry me=(Map.Entry)itr.next();              Object ok=me.getKey();              Object ov=me.getValue();              String[] value=new String[1];              if(ov instanceof String[]){                  value=(String[])ov;              }else{                  value[0]=ov.toString();              }                    for(int k=0;k<value.length;k++){                  logger.info(ok+"="+value[k]);              }            }                        InputStream inStream = request.getInputStream();        ByteArrayOutputStream outSteam = new ByteArrayOutputStream();        byte[] buffer = new byte[1024];        int len = 0;        while ((len = inStream.read(buffer)) != -1) {             outSteam.write(buffer, 0, len);        }        outSteam.close();        inStream.close();        String result = new String(outSteam.toByteArray(), "utf-8");        logger.info("微信返回的订单支付信息:" + result);