【文章推荐】文件下载：报错The value of the 'Access-Control-Allow-Origin' header in the response must not be the wildcard '*' when the request's credentials mode is 'include'

原文：文件下载：报错The value of the 'Access-Control-Allow-Origin' header in the response must not be the wildcard '*' when the request's credentials mode is 'include'

前言：这篇文件下载的后台代码太繁琐，建议参考https: www.cnblogs.com zwh p .html 前端：在main.js中：在package.json中添加依赖版本如果是下载本地的文件，则应写详细的路径：D: prism svn drug question drugques pc src template 在medicineList.js中后台代码： controller: ...

2020-09-27 19:46 0 973 推荐指数：

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The value of the 'Access-Control-Allow-Origin' header in the response must not be the wildcard '*' when the request's credentials mode is 'include'.

问题描述：Spring boot 项目加上@CrossOrigin也会报错解决方法：https://segmentfault.com/q/1010000016904795 ...

跨域问题The value of the 'Access-Control-Allow-Origin' header in the response must not be the wildcard '*' when the request's credentials mode

withCredentials 属性上面说到，CORS请求默认不发送Cookie和HTTP认证信息。如果要把Cookie发到服务器，一方面要服务器同意，指定Access-Control-Allow-Credentials字段。出现这个报错信息很可能是你在前端设置 ...

浏览器报`The value of the 'Access-Control-Allow-Origin' header in the response must not be the wildcard '*' when the request's credentials mode

: Response to preflight request doesn't pass access c ...

When allowCredentials is true, allowedOrigins cannot contain the special value "*"since that cannot be set on the "Access-Control-Allow-Origin

当allowCredentials为true时，allowedOrigins不能包含特殊值“*”，因为无法在“Access Control Allow Origin”响应头上设置该值。 To allow credentials to a set of origins, list them ...

on the "Access-Control-Allow-Origin" response header.

1.出现这个问题的原因是因为controller层跨域注解多了一个 1.解决把allowCredentials = "true"给注释掉就行了 ...

Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin

，，webservice服务中，webConfig中添加以上配置，缺一不可 ...

Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' heade

control check: No 'Access-Control-Allow-Origin' head ...

has been blocked by CORS policy: Response to preflight request doesn't pass access control check: No 'Access-Control-Allow-Origin' header is present

出现这个，就是跨域问题了，我是在vue用axios直接发送请求向java后台的过程中出现的至于什么是跨域问题？主要是有浏览器的同源策略导致的，目的就是为了保护网站使用者，若没有同源策略，那么在 ...

原文：文件下载：报错The value of the 'Access-Control-Allow-Origin' header in the response must not be the wildcard '*' when the request's credentials mode is 'include'

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