.NetCore静态文件资源的使用

app.UseStaticFiles();//默认静态文件目录是wwwroot

StaticFiles(app, env);

        /// <summary>
        /// 静态文件
        /// </summary>
        /// <param name="app"></param>
        /// <param name="env"></param>
        /// <returns></returns>
        private void StaticFiles(IApplicationBuilder app, IWebHostEnvironment env)
        {
            //静态文件重载
            app.UseStaticFiles(new StaticFileOptions
            {
                FileProvider = new PhysicalFileProvider(Path.Combine(env.ContentRootPath, "Upload")), //将目录切换到静态文件所在目录
                RequestPath =new PathString("/fileupload"), //虚拟路径用来访问静态文件
                OnPrepareResponse = ctx =>
                {
                    const int cacheControl = 60;//设置缓存静态文件的时间
                    var headers = ctx.Context.Response.GetTypedHeaders();
                    headers.CacheControl = new CacheControlHeaderValue
                    {
                        MaxAge = TimeSpan.FromSeconds(cacheControl)
                    };
                }
            });
        }