1 <div class="upload">
2    <div class="uploadswf">
3           <input type="file" name="uploadify" id="uploadify" style="vertical-align: middle;" />
4                 <span id="docspan"></span>
5                 <p id="fileQueue" style="color:black; background-color:#3C8DBC;"></p>
6      </div>
7 </div>

 1     <script type="text/javascript">
 2         $(function () {
 3             $("#uploadify").uploadify({
 4                 'uploader': '/plugins/uploadify-v2.1.4/uploadify.swf',
 5                 'script': '/Logistics/FileUpload?lcid='+id,
 6                 'cancelImg': '/plugins/uploadify-v2.1.4/cancel.png"',
 7                 'folder': '/Areas/Admin/UploadFile/ContractAtt/',
 8                 'queueID': 'fileQueue',
 9                 'auto': true,
10                 'multi': false,
11                 'method': 'post',
12                 'fileExt': '*.jpg;*.png;*.doc;*.docx;*.xls;*.xlsx;*.zip;*.rar;',
13                 'fileDesc': '请选择 jpg png doc docx xls xlsx zip rar 文件',
14                 'scriptData': null,
15                 'sizeLimit': 314572800,
16                 'buttonText': '上传文件',
17                 'onComplete': function (event, queueID, fileObj, respose, data) {
18                     var data = $.parseJSON(respose);
19                     if (data.err) {
20                         $.tooltip("上传成功！", 2500, true);
21                         return false;
22                     }
23                 }
24             })
25         })
26 <script>

 1         [HttpPost]
 2         public JsonResult FileUpload(HttpPostedFileBase fileData)
 3         {
 4             if (fileData != null)
 5             {
 6                 int lcId = Convert.ToInt32(Request["lcid"]);
 7                 try
 8                 {
 9                     string filePath = Server.MapPath("/Areas/Admin/UploadFile/ContractAtt");
10                     string fileName = Path.GetFileName(fileData.FileName);//原始文件名
11                     string fileExtension = Path.GetExtension(fileName);//扩展名
12                     string saveName = lcId +"_"+ DateTime.Now.ToString("yyyyMMddhhmmss");//保存服务器文件名
13                     string att = "/Areas/Admin/UploadFile/ContractAtt/" + saveName;
14                     if (lcService.UpdataAtt(lcId, att))
15                     {
16                         fileData.SaveAs(filePath +"\\"+ saveName+fileExtension);
17                         return Json(new { err = true, FileName = fileName, SavaName = saveName });
18                     }
19                     else
20                     {
21                         return Json(new { err = false, Message = "系统错误！" }, JsonRequestBehavior.AllowGet);
22                     }
23                 }
24                 catch (Exception ex)
25                 {
26                     return Json(new { ess = false, Message = ex.Message }, JsonRequestBehavior.AllowGet);
27                 }
28             }
29             else
30             {
31                 return Json(new { err = false, Message = "请选择要上传的文件！" }, JsonRequestBehavior.AllowGet);
32             }
33         }