readonly string MyAllowSpecificOrigins = "_myAllowSpecificOrigins";//名字隨便起
services.AddCors(options => { options.AddPolicy(MyAllowSpecificOrigins, builder => builder.AllowAnyOrigin() .WithMethods("GET", "POST", "HEAD", "PUT", "DELETE", "OPTIONS") ); });
app.UseCors(MyAllowSpecificOrigins);
CORS 中間件必須配置爲在對 UseRouting 和 UseEndpoints的調用之間執行。 配置不正確將致使中間件中止正常運行。c#
原文連接:https://blog.csdn.net/puzi0315/article/details/104326328/app