code: public long getRequstURIPath(String prefix, long defvalue) {
          String val = getRequstURIPath(prefix, null);
          try {
              return val == null ? defvalue : Long.parseLong(val);
          } catch (NumberFormatException e) {
              return defvalue;
          }
      }
docs: 获取请求URL分段中含prefix段的long值   <br>
  例如请求URL /pipes/record/query/time:1453104341363/id:40   <br>
  获取time参数: long time = request.getRequstURIPath("time:", 0L);
  
  @param prefix   prefix段前缀
  @param defvalue 默认long值
  
  @return long值