XMLHttpRequest无法加载http://192.168.1.253:8080/ ...请求的资源上没有"Access-Control-Allow-Origin"标头.因此不允许来源' http:// localhost:4200 '访问.响应具有HTTP状态代码401.
很常见的错误,有很多可能的解决方案没有奏效.我理解(我认为)CORS应该如何工作,我没有看到我的HTTP标头有什么问题,但它仍然不起作用
来自Chrome:
Request URL:http://192.168.1.253:8080/...
Request Method:OPTIONS
Status Code:200 OK
Remote Address:192.168.1.253:8080
Referrer Policy:no-referrer-when-downgrade
Response Headers
Access-Control-Allow-Headers:x-requested-with,accept,content-
type,authorization
Access-Control-Allow-Methods:POST, GET, PUT, PATCH, OPTIONS, DELETE
Access-Control-Allow-Origin:*
Access-Control-Max-Age:3600
Allow:GET, HEAD, POST, PUT, DELETE, TRACE, OPTIONS, PATCH
Cache-Control:no-cache, no-store, max-age=0, must-revalidate
Connection:keep-alive
Content-Length:0
Date:Mon, 15 May 2017 21:50:55 GMT
Expires:0
Pragma:no-cache
Server:...
X-Content-Type-Options:nosniff
X-Frame-Options:DENY
X-XSS-Protection:1; mode=block
Request Headers
Accept:*/*
Accept-Encoding:gzip, deflate, sdch
Accept-Language:en-US,en;q=0.8
Access-Control-Request-Headers:authorization,content-type
Access-Control-Request-Method:GET
Cache-Control:no-cache
Connection:keep-alive
Host:192.168.1.253:8080
Origin:http://localhost:4200
Pragma:no-cache
Referer:http://localhost:4200/...
User-Agent:Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 …