Question

好的，我的照片上一直收到null，我错过了什么？

我试过这个Uploading/Displaying Images in MVC 4

但我显然希望将图像作为模型的一部分。模型

public class Client
    {
        public string Name{ get; set; }
        public string ClientId { get; set; }
        public HttpPostedFileBase Photo{ get; set; }
}

页

@using (Html.BeginForm()) { 
    @Html.ValidationSummary(true)
    <div class="form-horizontal" role="form">
                        <div class="form-group">
                            <label for="@Model.Name" class="col-sm-2 control-label">Name:</label>
                            <div class="col-sm-10">
                                <input name="ClientId" type="hidden" value="@Model.ClientId" id="ClientId" data-val="true" data-val-required=" required">
                                <input type="text" id="Name" value="" class="form-control" tabindex="1" placeholder="name" name="Name" required/>
                                @Html.ValidationMessageFor(model => model.Name)
                            </div>
                        </div>
                        <div class="form-group">
                            <label for="@Model.Name" class="col-sm-2 control-label">Image:</label>
                            <div class="col-sm-10">
                                @Html.TextBoxFor(m => m.Photo, new { type = "file" })
                            </div>
                        </div>
}

控制器

[HttpPost]
        [Authorize]
        public ActionResult New(ViewModels.Client client)
        {
if (client.Photo!= null)
            {
                var photo= new byte[client.Photo.ContentLength];
                client.Photo.InputStream.Read(photo, 0, client.Photo.ContentLength);

            }
}

Answer 1

您尚未在表单上设置enctype（请确保将下面的Controller更改为您的控制器名称）：

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

上传图片＆amp;模型ASP.NET MVC 4

1 个答案: