code: protected void setResultType(MappedStatement ms, Class<?> entityClass) {
          EntityTable entityTable = EntityHelper.getEntityTable(entityClass);
          List<ResultMap> resultMaps = new ArrayList<ResultMap>();
          resultMaps.add(entityTable.getResultMap(ms.getConfiguration()));
          MetaObject metaObject = MetaObjectUtil.forObject(ms);
          metaObject.setValue("resultMaps", Collections.unmodifiableList(resultMaps));
      }
docs: 设置返回值类型 - 为了让typeHandler在select时有效，改为设置resultMap
  
  @param ms
  @param entityClass