p>确保将表单的 enctype 属性设置为multipart / form-data。

Make sure to set the enctype attribute of the form to "multipart/form-data".

@using (Html.BeginForm("TheAction", "TheController", FormMethod.Post, new{enctype="multipart/form-data")){
...
}

请参阅在Razor窗体视图中包含文件上传