C# SEC7123:访问控制允许标头列表中不存在请求标头键

我试图从一个角度HTTP拦截器向我的Web API传递一个自定义头。 我已经在web.config的允许标题列表中添加了标题，如下所示

 <add name="Access-Control-Allow-Origin" value="*" />
 <add name="Access-Control-Allow-Headers" value="Key,Content-Type" />
 <add name="Access-Control-Allow-Methods" value="GET, POST, PUT, DELETE, OPTIONS" />

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是否还有其他设置丢失？

我可以通过在Global.asax文件中的BeginRequest方法中添加以下代码来解决此问题

protected void Application_BeginRequest (Object sender, EventArgs e) 
{
    if (Request.Headers.AllKeys.Contains ("Origin") && Request.HttpMethod == "OPTIONS") 
    {
        Context.Response.AddHeader ("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Key, Accept,Authorization,serverName");
        Context.Response.AddHeader ("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS");
        Context.Response.End ();
    }
}

---

类似的问题可能会有所帮助：

protected void Application_BeginRequest (Object sender, EventArgs e) 
{
    if (Request.Headers.AllKeys.Contains ("Origin") && Request.HttpMethod == "OPTIONS") 
    {
        Context.Response.AddHeader ("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Key, Accept,Authorization,serverName");
        Context.Response.AddHeader ("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS");
        Context.Response.End ();
    }
}