http调用

private Map sendHttpRequest(Map paraMap){
JSONObject jsonObjIn = new JSONObject(paraMap);
String body = JSON.toJSONString(jsonObjIn, SerializerFeature.DisableCircularReferenceDetect);
debug("<UWSTOFREYPAY> body=" + body);
    String urlInvoke = UWSPropertiesUtils.getPropertyValues("FREY_SERVERURL_PAY");
String returnPackage = "";
try {
returnPackage = RestUtil.httpPost(urlInvoke, body);
debug(">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>pay" + returnPackage);
  } catch (IOException e) {
e.printStackTrace();
  }
JSONObject jsonObjOut = new JSONObject();
jsonObjOut = JSONObject.parseObject(returnPackage);
Map rstMap = JSONObjectUtil.asMap(jsonObjOut);
return rstMap;
}