DetachedCriteria转换为列表

Question

当我试图返回结果时，它会显示返回类型不匹配。我能做什么?

        @Override
        @SuppressWarnings("unchecked")
        public List<StudentDetail> getAllStudent(){
        DetachedCriteria.forClass(QrCodeList.class).add(Property.forName("userId")
                    .eq(
                              DetachedCriteria.forClass(User.class).setProjection(Property.forName("id"))
                            )
                          );

        }

Answer 1

这个方法似乎返回了DetachedCriteria<QrCodeList>。要使其返回List，应如下所示

    DetachedCriteria.forClass(QrCodeList.class).add(Property.forName("userId")
                .eq(DetachedCriteria.forClass(User.class).setProjection(Property.forName("id")))
                      ).list()

但它应该是List<QrCodeList>