我正在尝试上传文件,并且想将当前的 MVC HttpContext.Current.Request.Files 传递给 Web API。
我试图通过HttpFileCollectionBase
作为参数将其传递给 API,但它始终为 null。控制器
public object UploadAttachment(string param1, int param2, HttpFileCollectionBase files)
{
string _url = _restUrl + param1+ "/Folders/" + param2+ "/UploadAttachment";
HttpResponseMessage _response = SendJsonRequest(_url, HttpMethod.Post, files);
var ret = DeserializeResponse(_response);
return ret;
}
API code:
[HttpPost]
[Route("Archives/{param1}/Folders/{param2}/UploadAttachment")]
public IHttpActionResult UploadAttachment([FromUri]string param1, [FromUri]int param2, [FromBody] HttpFileCollectionBase files)
查看代码
using (Ajax.BeginForm("UploadAttachment", null, new { param1 = Model.Param1 }, new AjaxOptions { HttpMethod = "POST", OnSuccess = "uploadAttachmentSuccess" }, new { id = "uploadAttachment", enctype = "multipart/form-data" }))
{
<div class="row">
<div class="col-xs-10">
<div class="input-group">
<label class="input-group-btn" title="">
<span class="btn btn-primary">
<input type="file" name="file_upload" id="file_upload" style="display: none;" multiple />
Browse
</span>
</label>
<input type="text" id="file_upload_name" class="form-control" readonly>
</div>
</div>
<div class="col-xs-2">
<button type="submit" class="btn btn-success" data-toggle="tooltip" id="btn-submit-upload" title="" disabled>
Upload
</button>
</div>
</div>
<div class="row">
<div class="col-xs-12" id="warning-format">
</div>
</div>
}
SendJsonRequest 实现
protected virtual HttpResponseMessage SendJsonRequest(string url, HttpMethod method, object objectToSerialize = null, bool tryToRefreshToken = true)
{
...
HttpRequestMessage _request = new HttpRequestMessage(method, _uri);
if (objectToSerialize != null)
{
string _serializedJSONObject = JsonConvert.SerializeObject(objectToSerialize);
_request.Content = new StringContent(_serializedJSONObject);
_request.Content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
}...