具体来说,当浏览器的CORS预检请求(OPTIONS请求)发送到服务器时,服务器需要响应一个包含access-control-allow-headers的响应头,列出所有允许的请求头字段。如果istoken不在这个列表中,浏览器就会阻止实际请求的发送,并显示这个错误。 3. 提供解决request header field istoken is not allowed by access-control-allow-h...
vue开发之跨域请求,请求头not allowed by Access-Control-Allow-Headers,后端cookie session值取不到(二) 原因:你本地的请求ajax的get和post请求;如果你的请求头内放一些可用验证数据Token的时候就会存在跨域请求这是浏览器所不允许的问题; 方案一:后台的接口请求模式都写成jsonp请求,前端去调用; 特点:是一种非正式...
vue开发之跨域请求,请求头not allowed by Access-Control-Allow-Headers,后端cookie session值取不到(二) 原因:你本地的请求ajax的get和post请求;如果你的请求头内放一些可用验证数据Token的时候就会存在跨域请求这是浏览器所不允许的问题; 方案一:后台的接口请求模式都写成jsonp请求,前端去调用; 特点:是一种非正式...
Access-Control-Allow-Methods "GET, POST, OPTIONS" #Header set Access-Control-Allow-Headers "...
Would allowing all request headers (via AllowedHeaders: "*") not be an acceptable alternative? Another consideration: security. What if an adversary spoofs a preflight request that contains the following header? Access-Control-Request-Headers: X-Header-followed_by_a_very_looooooooooooong_character...
index.html:1 Access to XMLHttpRequest at 'http://xxx:88/api/xx/index' from origin 'http://test.com' has been blocked by CORS policy: Request header field cache-control is not allowed by Access-Control-Allow-Headers in preflight response. ...
Request header field Authorization is not allowed by Access-Control-Allow-Headers in preflight response.问题解决 报错信息为:XMLHttpRequest cannot load http://192.168.31.111:9000/api/user/session. Request header field Authorization is not allowed by Access-Control-Allow-Headers in preflight response....
简介:axios.post请求出错:Request header field content-type is not allowed by Access-Control-Allow-Headers in…… 报错如下 报错原因:接口不正确Access-Control-Allow-Headers不允许请求报头字段内容类型。 解决办法: 在服务器端设置一下接口,使用post方法是不需要设置headers里面的Content-Type, 使用了post,Content...
The host header is necessary for determining the current domain locale for ISR so we need to ensure it's in the default allowed headers list. Without this header we aren't able to render links accu...
Request header field xfilesize is not allowed by Access-Control-Allow-Headers 二、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义的跨域字段。 如果允许,则继续实际的POST/GET正常请求,否则,返回标题所示错误。