code: public static void copy(Object src, Object target) throws BeanMappingException {
          BeanCopy copy = BeanCopy.create(src.getClass(), target.getClass());
          copy.copy(src, target);
      }
docs: 对象属性的拷贝，与BeanUtils , BeanCopier功能类似
  
  @param src
  @param target