我在VS 2015中使用的是ASP.NET5,MVC6.我在做一个网络应用程序.我的表格上有:
<form method="post" enctype="multipart/form-data">
<div id="uploadSection" >
<label >Select files for upload</label>
<input type="file" id="fileSelect" name="fileSelect" multiple />
</div>
<div>
<input type="submit" id="thisbutton" value="button" />
</div>
</form>
在我的控制器中:
[HttpPost]
public async Task<IActionResult> FileForm(FileViewModel vm, IFormFile file)
{
if (ModelState.IsValid)
{
//IFormFileCollection files = Request.Form.Files;
string filePath = Path.Combine("C:", "transfers");
//foreach (var file in files)
//{
if (file != null && file.Length > 0)
{
var fileName = ContentDispositionHeaderValue.Parse(file.ContentDisposition).FileName.Trim('"');
await file.SaveAsAsync(Path.Combine(filePath, fileName));
}
//}
ModelState.Clear();
}
return View();
}
我有一个更大的表单,表单中有母表单字段,这些字段将进入我的FormViewModel(所有字段都会按它们应该的方式填充),我实际上try 将IFormFileCollection、ICollection、IList、List作为上述方法中的参数,并将其直接放入我的视图模型中.无论是作为单个文件还是多个文件,在模型或控制器中,我都会得到null.
更棒的是,我用fiddler运行了多次,它实际上是在发布文件——那么为什么它们没有被转换到模型中呢?
我的依赖项有错吗?有人能想到这是什么原因吗?
"dependencies": {
"Microsoft.AspNet.Diagnostics": "1.0.0-rc1-final",
"Microsoft.AspNet.IISPlatformHandler": "1.0.0-rc1-final",
"Microsoft.AspNet.Mvc": "6.0.0-rc1-final",
"Microsoft.AspNet.Mvc.TagHelpers": "6.0.0-rc1-final",
"Microsoft.AspNet.Server.Kestrel": "1.0.0-rc1-final",
"Microsoft.AspNet.StaticFiles": "1.0.0-rc1-final",
"Microsoft.AspNet.Tooling.Razor": "1.0.0-rc1-final",
"Microsoft.AspNet.Http": "1.0.0-rc1-final",
"Microsoft.Extensions.Configuration.FileProviderExtensions" : "1.0.0-rc1-final",
"Microsoft.Extensions.Configuration.Json": "1.0.0-rc1-final",
"Microsoft.Extensions.Logging": "1.0.0-rc1-final",
"Microsoft.Extensions.Logging.Console": "1.0.0-rc1-final",
"Microsoft.Extensions.Logging.Debug": "1.0.0-rc1-final",
"Microsoft.VisualStudio.Web.BrowserLink.Loader": "14.0.0-rc1-final"
},