kaiser20106 commented on issue #15339:
URL: https://github.com/apache/dubbo/issues/15339#issuecomment-3109671239
下面是我个人根据代码和文档汇总结果
```
dubbo:
# 参数校验
consumer:
validation: true
provider:
validation: true
```
```
//实体类
public class GoodEntity {
@Null(groups = GoodService.InsertSelective.class, message = "新增时id必须为空")
private Integer id;
}
//服务
public interface GoodService {
@interface InsertSelective {} //与方法同名接口，首字母大写，用于区分验证场景，如：@NotNull(groups
= GoodService.InsertSelective.class)，可选
ResponseEntity<Integer> insertSelective(@RequestBody GoodEntity
goodEntity);
}
```
> "message": "Failed to validate service:
org.example.cloud.dubbo.GoodService , method: insertSelective, cause:
[ConstraintViolationImpl{interpolatedMessage='新增时id必须为空', propertyPath=id,
rootBeanClass=class org.example.cloud.entity.GoodEntity ,
messageTemplate='新增时id必须为空'}]",
注意是**与方法同名接口**
而不是插入方法用 `@interface Save {} `
[参考用例](https://github.com/apache/dubbo-samples/tree/master/dubbo-samples-validation)
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