code: public void copy(Object src, Object target) throws BeanMappingException {
          BeanMappingParam param = new BeanMappingParam();
          param.setSrcRef(src);
          param.setTargetRef(target);
          param.setConfig(this.config);
          param.setProcesses(BeanMappingEnvironment.getBeanCopyVps());
  
          // 执行mapping处理
          BeanMappingExecutor.execute(param);
      }
docs: 对象属性的拷贝，与BeanUtils , BeanCopier功能类似
  
  @param src
  @param target
  @throws BeanMappingException