.net core版 文件上传/ 支持批量上传拖拽及预览功能(bootstrap fileinput上传文件)

@{ ViewData["Title"] = "Home Page"; Layout = null;}<script src="~/jQuery.1.9.0/Content/Scripts/jquery-1.9.0.js"></script><script src="~/bootstrap.3.3.0/content/Scripts/bootstrap.js"></script><link rel="stylesheet" href="~/bootstrap.3.3.0/content/Content/bootstrap.css" rel="external nofollow" ><script type="text/javascript" src="~/bootstrap-fileinput.4.3.8/content/Scripts/fileinput.js"></script><script type="text/javascript" src="~/bootstrap-fileinput.4.3.8/content/Scripts/locales/zh.js"></script><link rel="stylesheet" href="~/bootstrap-fileinput.4.3.8/content/Content/bootstrap-fileinput/css/fileinput.css" rel="external nofollow" > <script type="text/javascript">  $(function () {   var control = $("#txt_file");   var uploadrul = "/Home/UploadFile";   control.fileinput({    language: 'zh', //设置语言    uploadUrl: uploadrul, //上传的地址    allowedFileExtensions: ['png'],//接收的文件后缀    showUpload: true, //显示批量上传按钮    showCaption: false,//是否显示标题    browseClass: "btn btn-primary", //按钮样式      dropZoneEnabled: true,//是否显示拖拽区域    //minImageWidth: 50, //图片的最小宽度    //minImageHeight: 50,//图片的最小高度    //maxImageWidth: 1000,//图片的最大宽度    //maxImageHeight: 1000,//图片的最大高度    //maxFileSize: 0,//单位为kb，如果为0表示不限制文件大小    //minFileCount: 0,    maxFileCount: 100,    enctype: 'multipart/form-data',    validateInitialCount: true,    previewFileIcon: "<i class='glyphicon glyphicon-king'></i>",    msgFilesTooMany: "选择上传的文件数量({n}) 超过允许的最大数值{m}！",   });   //导入文件上传完成之后的事件   $("#txt_file").on("fileuploaded", function (event, data, previewId, index) {   });  }); </script></table> <div>   <form>   <div>    <div class="modal-header">     <h4 class="modal-title" id="myModalLabel">请选择xml文件</h4>    </div>    <div class="modal-body">     <input type="file" name="txt_file" id="txt_file" multiple class="file-loading" />    </div>   </div>  </form> </div>

public JsonResult UploadFile()  {   uploadResult result = new uploadResult();   try   {    var oFile = Request.Form.Files["txt_file"];    Stream sm=oFile.OpenReadStream();    result.fileName = oFile.FileName;    if(!Directory.Exists(AppContext.BaseDirectory+"/Image/"))    {     Directory.CreateDirectory(AppContext.BaseDirectory+"/Image/");    }    string filename=AppContext.BaseDirectory+"/Image/" + DateTime.Now.ToString("yyyymmddhhMMssss")+Guid.NewGuid().ToString() + ".png";    FileStream fs=new FileStream(filename,FileMode.Create);    byte[] buffer =new byte[sm.Length];    sm.Read(buffer,0,buffer.Length);    fs.Write(buffer,0,buffer.Length);    fs.Dispose();   }   catch(Exception ex)   {    result.error = ex.Message;   }   return Json(result);  }  public class uploadResult  {   public string fileName { get; set; }   public string error { get; set; }  }