解决跨域问题:Access to XMLHttpRequest at ‘http://localhost:8001/xxx‘ No ‘Access-Control-Allow-Origin‘ head IT男 狂风IT工作者一、问题 当我实现前后端分离的时候,遇到了这个问题: Access to XMLHttpRequest at ‘http://localhost:8080/xxx’ from origin ‘localhost:63342’ has been blocked by C...
Access to XMLHttpRequest at 'http://a.com/api' from origin 'http://b.com' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: Redirect is not allowed for a preflight request. 生产上多次出现上面这个奇怪的跨域问题,但神奇的是强刷新后或者使用无...
在nginx环境下,为了支持XMLHttpRequest,通常需要处理跨域资源共享(CORS)问题。如果前端JavaScript代码试图通过XMLHttpRequest请求一个不同源(域名、协议或端口不同)的资源,浏览器会出于安全考虑阻止这种请求,除非服务器明确允许跨域请求。 要在nginx中配置CORS,可以在nginx的配置文件(通常是nginx.conf或包含的文件)中添加相...
跨域问题解决方案:CORS Access to XMLHttpRequest at ‘*’ from origin ‘*’ has been blocked by CORS policy: Response to preflight request doesn’t pass access control check: No ‘Access-Control-Allow-Origin’ header is present on the requested resource. 从源’本地路径‘访问 ‘目标路径(请求...
1、前端浏览器报错如下: Access to XMLHttpRequest at http://xxx.xxx from origin 'http://localhost:8000' has been blocked by CORS policy: Response to prefl
https://www.jianshu.com/p/1080014a234f(跨域配置) 问题现象 Access to XMLHttpRequest at 'https://api.gstianfu.com/public/fund/announce_detail?aid=654247428725' from origin 'https://mobile.igesafe.com' has been blocked by CORS policy: The 'Access-Control-Allow-Origin' header contains multiple...
背景:迁移项目上传图片到阿里云的oss存储报跨域错误 报错信息一:Access to XMLHttpRequest at 'xxxxx' from origin 'xxxxxxxxx' has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource...
Request header field content-type is not allowed by Access-Control-Allow-Headers in preflight response 预运行响应中的访问控制允许头不允许请求头字段内容类型,也就是我们的请求head中包含了不允许的字段内容。 原因: 包含自定义header字段的跨域请求,浏览器会先向服务器发送OPTIONS请求,探测该服务器是否允许自定...
Access to XMLHttpRequest at ‘http://www.z…n.com/api/login’ from origin ‘http://z…n.com’ has been blocked by CORS policy: The ‘Access-Control-Allow-Origin’ header contains multiple values ‘*, http://z…n.com’, but only one is allowed. ...
proxy_pass http://localhost:59200; } } 测试代理是否成功,通过Nginx代理端口2222再次访问接口,可以看到如下图通过代理后接口也是能正常访问 接下来开始用网站8080访问Nginx代理后的接口地址,报错情况如下↓↓↓ 情况1 Access to XMLHttpRequest at 'http://localhost:22222/api/Login/TestGet' from origin 'http...