code: public static BeanMapping create(String mappingName) {
          BeanMappingObject config = BeanMappingConfigHelper.getInstance().getBeanMappingObject(mappingName);
          if (config == null) {
              throw new BeanMappingException("can not found mapping config for name[" + mappingName + "]");
          }
  
          return new BeanMapping(config);
      }
docs: 创建指定name的BeanMapping操作