@{
 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', //設(shè)置語(yǔ)言
 uploadUrl: uploadrul, //上傳的地址
 allowedFileExtensions: ['png'],//接收的文件后綴
 showUpload: true, //顯示批量上傳按鈕
 showCaption: false,//是否顯示標(biāo)題
 browseClass: "btn btn-primary", //按鈕樣式 
 dropZoneEnabled: true,//是否顯示拖拽區(qū)域
 //minImageWidth: 50, //圖片的最小寬度
 //minImageHeight: 50,//圖片的最小高度
 //maxImageWidth: 1000,//圖片的最大寬度
 //maxImageHeight: 1000,//圖片的最大高度
 //maxFileSize: 0,//單位為kb，如果為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: "選擇上傳的文件數(shù)量({n}) 超過(guò)允許的最大數(shù)值{m}！",
 });
 //導(dǎo)入文件上傳完成之后的事件
 $("#txt_file").on("fileuploaded", function (event, data, previewId, index) {
 });
 });
 </script>
</table>
 <div> 
 <form>
 <div>
 <div class="modal-header">
 <h4 class="modal-title" id="myModalLabel">請(qǐng)選擇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; }
 }