HTTP 404与400的无效查询参数 [英] HTTP 404 vs 400 for invalid query parameters

问题描述

这是我的请求网址:

http://server.com/app/user/getuser/?userId= 9999

请注意， userId 是查询参数.没有嵌入的路径参数.

Note that userId is query parameter. Not embedded path parameter.

我了解，如果请求URL为: http://server.com/app/user/getuser/9999 并且ID 9999在数据库中不存在，应使用代码404.

I understand that if the request URL is: http://server.com/app/user/getuser/9999 and the ID 9999 does not exist in database, The code 404 should be used.

在 userId 是查询参数的情况下应使用什么HTTP状态?现在我返回的是400，而不是404.

BUT what HTTP status should be used for the case userId is query parameter? Right now I am returning 400 instead of 404.

推荐答案

我会使用 404未找到.

RFC 7231 定义了像这样的 400错误请求响应:

400(错误请求)状态码表示服务器由于某些原因(例如格式错误的请求语法，无效的请求消息框架或欺骗性的请求路由)而被视为无法处理或无法处理请求的原因

The 400 (Bad Request) status code indicates that the server cannot or will not process the request due to something that is perceived to be a client error (e.g., malformed request syntax, invalid request message framing, or deceptive request routing).

...由于您的请求有效，并且您正试图访问不存在的资源，因此我认为 404未找到状态更为合适. RFC 7231 定义其含义如下:

...since your request is valid and you are just trying to access a resource that does not exist, I think a 404 Not Found status is more suitable. RFC 7231 defines its meaning like this:

404(未找到)状态码表示原始服务器未找到目标资源的当前表示，或不愿意透露该资源的存在.

The 404 (Not Found) status code indicates that the origin server did not find a current representation for the target resource or is not willing to disclose that one exists.

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