2回答

慕田峪6550452

2022-03-27

我的也是这样，怎么解决啊

0

0

weixin_慕仙6132029

提问者

2020-11-10

已解决

0

2

柒亥

回复

慕标632891

@Autowired private ProductCategoryRepository repository; @Test public void findOneTest(){ ProductCategory productCategory = new ProductCategory(); productCategory.setCategoryId(1); Example example = Example.of(productCategory); Optional productCategory1=repository.findOne(example); System.out.println(productCategory1.toString()); }

2022-04-11

共2条回复