当Django项目遇到“has been blocked by CORS policy”的错误时,通常意味着跨源资源共享(CORS)策略阻止了来自不同源的请求。为了解决这个问题,你可以按照以下步骤进行排查和修复: 1. 确认CORS政策阻止的具体错误信息 首先,你需要查看浏览器控制台中的错误信息,确认是否是CORS策略阻止了请求。错误信息通常会明确指出请求...
3、 之后重启就完成了 PS: 如果还是出现跨域问题, 请仔细检查是不是请求接口跳错了, 比如 / 问题。 问题二: 回到目录 has been blocked by CORS policy: Request header field token is not allowed by Access-Control-Allow-Headers in preflight response. 这个问题一般是前端自定义header导致, 比如: 携带tok...
Access to XMLHttpRequest at 'http://127.0.0.1:8000/book/5/' from origin 'http://localhost:63342' has been blocked by CORS policy: Method DELETE is not allowed by Access-Control-Allow-Methods in preflight response. 同时我们发送的明明是 DELETE 请求, 而我们后端接收到的却是一个 OPTIONS 请求。
python django在处理跨域请求的时候,提示 Access to XMLHttpRequest at 'http://10.237.221.64:8000/api/projects/all_projects'from origin 'http://localhost:8001'has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header ...
from origin ‘null’ has been blocked by CORS policy: No ‘Access-Control-Allow-Origin’ header is present on the requested resource. 关注公众号“轻松学编程”学到更多。 使用jsonp处理get请求跨域问题 前端ajax: $.ajax({ url: '请求路由', ...
跨域报错:Access to XMLHttpRequest at ‘http://127.0.0.1:8000/’ from origin ‘http://localhost:8080’ has been blocked by CORS policy: No ‘Access-Control-Allow-Origin’ header is present on the requested resource. 一、为什么会出现跨域? 出于浏览器的同源策略限制。 同源策略(Sameoriginpolicy)是...
检查浏览器控制台的错误信息:在浏览器中打开开发者工具,查看控制台中是否有与CORS相关的错误信息。例如,如果出现了"Access to XMLHttpRequest at 'http://example.com' from origin 'http://localhost:8000' has been blocked by CORS policy"的错误,说明CORS配置未生效。
Access to XMLHttpRequest at 'http://127.0.0.1:8000/info' from origin 'http://127.0.0.1:8080' has been blocked by CORS policy: Request header field access-token is not allowed by Access-Control-Allow-Headers in preflight response.
Access to XMLHttpRequest at'http://127.0.0.1:8000/info'from origin'http://127.0.0.1:8080'has been blocked byCORSpolicy:Request header field access-token is not allowed by Access-Control-Allow-Headersinpreflight response. 错误的意思是Access-Control-Allow-Headers不支持access-token头部字段。再看上...
from origin ‘null’ has been blocked by CORS policy: No ‘Access-Control-Allow-Origin’ header is present on the requested resource. 关注公众号“轻松学编程”学到更多。 使用jsonp处理get请求跨域问题 前端ajax: $.ajax({ url:'请求路由',type:'GET', ...