Spring Boot Rest API @RequestBody 中的@Valid 与@Validated
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@Valid vs @Validated in Spring Boot Rest API @RequestBody
提问by alltej
I am coming from a .NET background in developing REST APIs. Now working on java REST project using spring boot.
我来自开发 REST API 的 .NET 背景。现在使用 spring boot 处理 java REST 项目。
First my validation at the controller @RequestBody just stop working. While trying to fix it, I saw different ways to implement. So what would be the correct way to annotate the @RequestBody?
首先，我在控制器 @RequestBody 上的验证就停止工作了。在尝试修复它时，我看到了不同的实现方式。那么注释@RequestBody 的正确方法是什么？
@Validated @RequestBody
or
或者
@Valid @RequestBody
回答by Jaiwo99
There are generally no huge difference between them two, @Validis from JSR-303 standand, @Validatedis spring standard. according to spring document:
两者一般没有太大区别，@Valid都是来自JSR-303标准，@Validated是spring标准。根据spring文件：
Spring provides a Validator interface that can be used for validation in all layers of an application. In Spring MVC you can configure it for use as a global Validator instance, to be used whenever an @Valid or @Validated controller method argument is encountered, and/or as a local Validator within a controller through an @InitBinder method. Global and local validator instances can be combined to provide composite validation.
Spring 提供了一个 Validator 接口，可用于在应用程序的所有层中进行验证。在 Spring MVC 中，您可以将其配置为全局 Validator 实例，在遇到 @Valid 或 @Validated 控制器方法参数时使用，和/或通过 @InitBinder 方法作为控制器内的本地验证器。可以组合全局和本地验证器实例以提供复合验证。
参考：https: //docs.spring.io/spring/docs/current/spring-framework-reference/html/mvc.html#mvc-config-validation
However there are differences, one of them is for example, if you need use groupin your validation annotation, you need to use @Validated, it is not supported with @Valid.
但是存在差异，其中之一是例如，如果您需要group在验证注释中使用@Validated，则需要使用，而@Valid.
回答by Matthias
@Valid is in the JSR-Specification and @Validated is from spring framework.
@Valid 在 JSR 规范中，@Validated 来自 spring 框架。
When your program should be compatible to EJB/JSR Standard use @Valid otherwise you can use both.
当您的程序应该与 EJB/JSR 标准兼容时，请使用 @Valid 否则您可以同时使用两者。
