from origin ‘null’ has been blocked by CORS policy: Request header field token is not allowed by Access-Control-Allow-Headers in preflight response.
遇到这种类似的问题一般都是跨域请求问题,后端可以这样设置返回请求头
然后就可以请求成功了,因为携带token请求头,所以需要
response.setHeader("Access-Control-Allow-Headers","token")
本文内容由网友自发贡献,版权归原作者所有,本站不承担相应法律责任。如您发现有涉嫌抄袭侵权的内容,请联系:hwhale#tublm.com(使用前将#替换为@)