scala – Play Framework CORS Headers
发布时间:2020-12-16 18:25:12 所属栏目:安全 来源:网络整理
导读:我正在尝试为我的play框架应用程序设置CORS Headers.具体来说,我收到了这个错误 cannot load http://127.0.0.1:9000/. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://localhost:9000' is therefore not al
我正在尝试为我的play框架应用程序设置CORS Headers.具体来说,我收到了这个错误
cannot load http://127.0.0.1:9000/. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://localhost:9000' is therefore not allowed access. 我想我可以按照以下说明轻松处理: 但是,这样做之后.什么也没有变. curl -I localhost:9000/ HTTP/1.1 200 OK Content-Length: 4540 Content-Type: text/html; charset=utf-8 Date: Mon,11 Jul 2016 20:03:33 GMT 我的担心是: play.http.filters = "global.Filters" play.filters.cors { allowedOrigins = ["http://www.example.com","*"] allowedHttpMethods = ["GET","POST"] allowedHttpHeaders = ["Accept"] } 和我的Filters.scala文件是: package global import javax.inject.Inject import play.api.http.DefaultHttpFilters import play.filters.cors.CORSFilter class Filters @Inject() (corsFilter: CORSFilter) extends DefaultHttpFilters(corsFilter) 如果有人能告诉我为什么过滤器似乎没有应用于响应,那就太好了. 解决方法
播放过滤器很诱人,但是当它们没有按预期工作时,正如您所注意到的那样,魔术并不容易追踪.
我更喜欢使用这样的东西: implicit class RichResult (result: Result) { def enableCors = result.withHeaders( "Access-Control-Allow-Origin" -> "*","Access-Control-Allow-Methods" -> "OPTIONS,GET,POST,PUT,DELETE,HEAD" // OPTIONS for pre-flight,"Access-Control-Allow-Headers" -> "Accept,Content-Type,Origin,X-Json,X-Prototype-Version,X-Requested-With" //,"X-My-NonStd-Option","Access-Control-Allow-Credentials" -> "true" ) } 然后您可以在响应中轻松调用它,如下所示: Ok(Json.obj("ok" -> "1")).enableCors 它很容易理解,只能放在你想要启用CORS的地方,并且非常容易调试! (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |