code: public Map describe(Object src) throws BeanMappingException {
          Map result = new HashMap();
          BeanMappingParam param = new BeanMappingParam();
          param.setSrcRef(src);
          param.setTargetRef(result);
          param.setConfig(this.describeConfig);
          param.setProcesses(BeanMappingEnvironment.getBeanMapVps());
          // 执行mapping处理
          BeanMappingExecutor.execute(param);
          return result;
      }
docs: 将bean的属性转化为Map对象
  
  @param src
  @return
  @throws BeanMappingException