针对你提出的问题“method delete is not allowed by access-control-allow-methods in preflight response”,我们可以从以下几个方面进行详细分析和解答: 1. 理解“preflight request”和“access-control-allow-methods”的概念 Preflight Request(预检请求):当浏览器跨域发送某些HTTP请求方法(如PUT、DELETE、PATCH等...
response.setHeader("Access-Control-Allow-Methods", "POST, GET, PATCH, DELETE, PUT, OPTIONS"); filterChain.doFilter(servletRequest, servletResponse); } 具体的添加过程,可以参考此链接 https://www.cnblogs.com/bien94/p/13188699.html
Preflight Requests (for non-standard methods like PATCH):Browsers send an initial OPTIONS request to check allowed methods before making the actual PATCH request. Access-Control-Allow-Methods Header:The server must explicitly list PATCH in this response header to grant permission....
"value":"true"},{"name":"access-control-allow-headers","value":""},{"name":"access-control-allow-methods","value":""},{"name":"access-control-allow-origin","value":""},{"name":"cache-control","value":"no-cache, no-store, max-age=0"}......
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hi 我使用的是阿里云的对象存储,我访问对象存储里面的文件的时候,返回的响应头中如何会带有 Access-Control-allow-Method 这个头信息返回给我呢&
Access to XMLHttpRequest at 'https://***/categories/db0536b7-4563-4bf6-81b0-543fd911e16b' from origin 'http://localhost:3001' has been blocked by CORS policy: Method PUT is not allowed by Access-Control-Allow-Methods in preflight response. Checking the Options request for this route...
错误消息: PUT http://localhost:8060/api/services/app/User/Update 405 (Method Not Allowed) users:1 Failed to load http://localhost:8060/api/services/app/User/Update: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'http://localhost:4200' is therefore no...
System access control device and method to allow the exchange and shared use of parking spaces.; a new system, device and methods that enable the sharing and exchange of parking spaces, controlled access, and applicants between entities offering thereof, and in particular from individuals described...
Method intended to control and permit an authorised user access to a site or a protected service, characterised in that the site is protected by two identification codes and in that the access process comprises the following three successive phases, a- input of a first identification code ...