前端 vue 工程 post 请求后端接口，报错： Request header field Content-Type is not allowed by Access-Control-Allow-Headers...解决： 在过滤器中设置请求头： resp.setHeader("Access-Control-Allow-Headers", "Content-Type,XFILENAME,XFILECATEGORY,...HttpServletResponse response = (HttpServletResponse) servletResponse; HttpServletRequest request...DELETE"); response.setHeader("Access-Control-Max-Age", "3600"); response.setHeader("Access-Control-Allow-Headers..."); response.setHeader("Access-Control-Allow-Credentials", "true"); String method = request.getMethod
设置下Access-Control-Allow-Headers @Component @WebFilter public class CorsFilter implements Filter {...ServletException { HttpServletResponse response = (HttpServletResponse) res; HttpServletRequest request...= (HttpServletRequest) req; String origin = request.getHeader("Origin"); if (allows.contains...; response.setHeader("Access-Control-Max-Age", "3600"); response.setHeader("Access-Control-Allow-Headers...User-Agent,X-Requested-With,x-xsrf-token,x-csrf-token,If-Modified-Since,Cache-Control,Content-Type, X-Custom-Header
PS：如果遇到 这个问题 Request header field Content-Type is not allowed by Access-Control-Allow-Headers，解决方法见另一博文...：解决：Request header field Content-Type is not allowed by Access-Control-Allow-Headers 1....场景描述： 我前端是一个 vue 工程，写的是绝对 URL 请求后端工程接口，报错如题： No 'Access-Control-Allow-Origin' header is present on the...response.setHeader("Access-Control-Allow-Headers", "x-requested-with,Cache-Control,Pragma,Content-Type...' header contains multiple values'x, *', but only one is allowed.
If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with...add_header Access-Control-Allow-Headers 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With,If-Modified-Since...Access-Control-Allow-Headers 是为了防止出现以下错误： Request header field Content-Type is not allowed by Access-Control-Allow-Headers...这里涉及到一个概念：预检请求（preflight request）,请看下面"预检请求"的介绍。...Access-Control-Allow-Methods 是为了防止出现以下错误： Content-Type is not allowed by Access-Control-Allow-Headers
doesn't pass access control check: The value of the 'Access-Control-Allow-Origin' header in the response...doesn't pass access control check: The value of the 'Access-Control-Allow-Credentials' header in the...header field content-type is not allowed by Access-Control-Allow-Headers in preflight response....Koa解决方法示例 // ctx.set('Access-Control-Allow-Headers', '*'); ctx.set('Access-Control-Allow-Headers', ctx.headers...doesn't pass access control check: Redirect is not allowed for a preflight request.
Nginx配置跨域解决 location / { add_header Access-Control-Allow-Origin *; add_header Access-Control-Allow-Methods...'GET, POST, OPTIONS'; add_header Access-Control-Allow-Headers 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent...Access-Control-Allow-Headers 是为了防止出现以下错误： Request header field Content-Type is not allowed by Access-Control-Allow-Headers...Access-Control-Allow-Methods 是为了防止出现以下错误： Content-Type is not allowed by Access-Control-Allow-Headers...即出现以下错误： Request header field Content-Type is not allowed by Access-Control-Allow-Headers in preflight
add_header Access-Control-Allow-Headers 'DNT,X-Mx-ReqToken,Keep-Alive,User-Agent,X-Requested-With...,If-Modified-Since,Cache-Control,Content-Type,Authorization'; if ($request_method = 'OPTIONS...Access-Control-Allow-Headers 为了防止出现： Request header field Content-Type is not allowed by Access-Control-Allow-Headers...是发起"application/json"的类型请求导致的 Access-Control-Allow-Methods 为了防止出现：Content-Type is not allowed by Access-Control-Allow-Headers...php header('Content-Type:text/html;charset=utf-8'); header("Access-Control-Allow-Origin: *");
HttpServletResponse response = (HttpServletResponse) servletResponse; HttpServletRequest request...true; } } //java 在Filter 里面加入 String origin = request.getHeader("Origin"); response.setHeader("...x-requested-with,Authorization"); response.setHeader("Access-Control-Allow-Credentials", "true"); 第四种 Request...header field x-csrf-token is not allowed by Access-Control-Allow-Headers in preflight response....values '_, _', but only one is allowed.
Request header field content-type is not allowed by Access-Control-Allow-Headers in preflight response...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。...Access-Control-Max-Age 用于 CORS 相关配置的缓存 rep.setHeader("Access-Control-Max-Age", "3600"); rep.setHeader("Access-Control-Allow-Headers...","Access-Control-Allow-Headers, content-type,x-requested-with,Authorization, x-ui-request,lang"); 发表时间
拦截器 service.interceptors.request.use(config => { if (store.getters.token) { config.headers['X-Token...后端配置 跨域配置加token请求头配置，不配这个会遇到跨域问题和header获取不到问题，特别是这个Access-Control-Allow-Headers，你前端header里传的key值需要在这个配置..., HEAD"); response.setHeader("Access-Control-Max-Age", "3600"); response.setHeader("Access-Control-Allow-Headers...", "x-requested-with,X-Token,x-token, Content-Type, " + "MUserAgent, " +..."MToken, " + "UID"); // or * HttpServletRequest request = (HttpServletRequest
in the response must not be the wildcard '*' when the request's credentials mode is 'include'....AllowHeaders: []string{"*"}, AllowCredentials: true, })) 2020-05-10：上面的配置，在碰到options请求的时候，依然还是会提示跨域问题： Request...header field Content-Type is not allowed by Access-Control-Allow-Headers in preflight response The...request's credentials mode is 'include'....("Access-Control-Max-Age", "3600") ctx.Output.Header("Access-Control-Allow-Headers", "X-Custom-Header
Access-Control-Allow-Credentials" value="true" /> 添加上面的配置之后有可能还会出现 Request...header field Content-Type is not allowed by Access-Control-Allow-Headers in preflight 错误，这时看看有没有设置 Access-Control-Allow-Headers...字段，如果设置了的话就去掉这个字段，或者把客户端请求头的 Content-Type 字段修改为 Access-Control-Allow-Headers 的值。
For POST requests, the Content-Type header is also allowed, but only if its value is "application/x-www-form-urlencoded...: '.implode(',', $this->arr_acam)); header('Access-Control-Allow-Headers: '.implode(',', $this...origin 'http://xx.cn' has been blocked by CORS policy: Request header field timestamp is not allowed...(eot|ttf|woff|woff2|svg)$ { add_header Access-Control-Allow-Origin *; add_header Access-Control-Allow-Headers...' '*'; add_header 'Access-Control-Allow-Methods' 'GET, POST, OPTIONS'; add_header 'Access-Control-Allow-Headers
client_max_body_size 50m;}2.Mysql方式如果使用的是Mysql的软件，比如nvaicat,就需要修改mysql的配置文件中的max_allowed_packet的值，比你运行的...has been blocked by CORS policy: Request header field withcredentials is not allowed by Access-Control-Allow-Headers...: GET, POST, PUT, DELETE, OPTIONS');header("Access-Control-Allow-Headers: Origin, X-Requested-With, Content-Type...*; add_header Access-Control-Allow-Methods 'GET, POST, OPTIONS'; add_header Access-Control-Allow-Headers...-e $request_filename){ rewrite ^(.*)$ /index.php?s=$1 last; break; }}
中添加了 cors 的 middleware func cors() gin.HandlerFunc { return func(c *gin.Context) { method := c.Request.Method...= "" { c.Header("Access-Control-Allow-Origin", origin) // 可将将 * 替换为指定的域名 c.Header("Access-Control-Allow-Methods...", "POST, GET, OPTIONS, PUT, DELETE, UPDATE") c.Header("Access-Control-Allow-Headers", "Origin,...X-Requested-With, Content-Type, Accept, Authorization,X-Token") c.Header("Access-Control-Expose-Headers...", "Content-Length, Access-Control-Allow-Origin, Access-Control-Allow-Headers, Cache-Control, Content-Language
func cors() gin.HandlerFunc { return func(ctx *gin.Context) { method := ctx.Request.Method...ctx.Header("Access-Control-Allow-Origin", "*") ctx.Header("Access-Control-Allow-Headers...", "Content-Type,AccessToken,X-CSRF-Token, Authorization, Token, x-token") ctx.Header...("Access-Control-Expose-Headers", "Content-Length, Access-Control-Allow-Origin, Access-Control-Allow-Headers...{ // model.Header{ // Field: "name", //
header field authorization is not allowed by Access-Control-Allow-Headers in preflight response....add_header Access-Control-Allow-Headers 'authorization'; return 204; } if...add_header Access-Control-Allow-Headers 'content-type,authorization'; add_header Access-Control-Allow-Methods...contains multiple values '*, http://localhost:8080', but only one is allowed....add_header Access-Control-Allow-Headers '*'; add_header Access-Control-Allow-Methods '*';
header field authorization is not allowed by Access-Control-Allow-Headers in preflight response....add_header Access-Control-Allow-Headers 'authorization'; return 204; }...Access-Control-Allow-Headers 'content-type,authorization'; add_header Access-Control-Allow-Methods...contains multiple values ‘*, http://localhost:8080’, but only one is allowed....add_header Access-Control-Allow-Headers '*'; add_header Access-Control-Allow-Methods
不出我们所料，果然还是可以的~ 方法三：Filter 我们可以通过实现Fiter接口在请求中添加一些Header来解决跨域的问题： @Component public class CORSFilter...res.addHeader("Access-Control-Allow-Methods", "GET, POST, DELETE, PUT"); res.addHeader("Access-Control-Allow-Headers...", "Content-Type,X-CAF-Authorization-Token,sessionToken,X-TOKEN"); if (((HttpServletRequest)...location / { add_header Access-Control-Allow-Origin *; add_header Access-Control-Allow-Headers...X-Requested-With; add_header Access-Control-Allow-Methods GET,POST,PUT,DELETE,OPTIONS; if ($request_method
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