Uploadify在MVC中使用方法案例（上传单张图片）

浏览数：202 / 时间：2015年06月09日

在View视图中：

<link href="/Scripts/uploadify-v3.2.1/uploadify.css" rel="stylesheet" type="text/css" />
<script src="/Scripts/jquery-1.7.1.min.js" type="text/javascript"></script>
<script src="/Scripts/uploadify-v3.2.1/jquery.uploadify.js" type="text/javascript"></script>
<script src="/Scripts/uploadify-v3.2.1/swfobject.js"></script>
<script type="text/javascript">
    $(document).ready(function () {
        $(‘#file_upload‘).uploadify({
            ‘buttonText‘: ‘选择上传文件‘,
            ‘queueID‘: ‘fileQueue‘,//指定上传进度条在哪里显示
            ‘swf‘: ‘@Url.Content("~/Scripts/uploadify-v3.2.1/uploadify.swf?ver=‘+Math.random()+‘")‘,
            ‘uploader‘: ‘/Home/Upload‘,
            ‘removeCompleted‘: true,
            ‘checkExisting‘: true,
            ‘fileTypeDesc‘: ‘上传的文件类型‘,
            ‘fileTypeExts‘: ‘*.jpg;*.png;*.gif‘,
            ‘fileSizeLimit‘: ‘1024kb‘,
            ‘auto‘: false,
            ‘multi‘: false,
            ‘queueSizeLimit‘: 1,                   //一个队列上传文件数限制  
            ‘uploadLimit‘: 1,                     //允许上传的最多张数   
            ‘height‘: 30,
            ‘width‘: 80,
            ‘onUploadSuccess‘: function (file, data, response) {
                var obj = jQuery.parseJSON(data); //把返回的Json序列转化为obj对象
                if (obj.Success) {
                    $(‘#input‘).val(obj.FilePath);
                    $(‘#upsucc‘).text(‘上传成功！‘);
                }
                else
                    alert(obj.Message);
            }
        });
    });

 <tr>
                <th>@Html.LabelFor(model=>model.Url)</th>
                <td>
                 <input type="file" class="file_upload" id="file_upload"/>
                 <div id="fileQueue"></div>
                 <a href="javascript:$(‘#file_upload‘).uploadify(‘upload‘);">上传</a><span id="upsucc" style="color:red"></span>
                  @Html.TextBoxFor(m => m.Url, new { id="input",@style="display:none"})
                </>
               </tr>

Controller中

 [HttpPost]
        public JsonResult Upload(HttpPostedFileBase fileData)
        {
            if (fileData != null)
            {
                try
                {
                    // 文件上传后的保存路径
                    string filePath = Server.MapPath("~/Uploads/");
                    if (!Directory.Exists(filePath))
                    {
                        Directory.CreateDirectory(filePath);
                    }
                    string fileName = Path.GetFileName(fileData.FileName);// 原始文件名称
                    string fileExtension = Path.GetExtension(fileName); // 文件扩展名
                    string saveName = Guid.NewGuid().ToString() + fileExtension; // 保存文件名称
                    int filesize = fileData.ContentLength / 1024;
                    if (filesize > 1024 || filesize <= 2 || (fileExtension != ".jpg" && fileExtension != ".png" && fileExtension != ".gif"))
                    {
                        return Json(new { Success = false, Message = "上传失败！\r请上传jpg/png格式图片,文件大小不要超过1MB" }, JsonRequestBehavior.AllowGet);

                    }
                    else
                    {
                        fileData.SaveAs(filePath + saveName);
                        return Json(new { Success = true, FilePath = "/Uploads/" + saveName });
                    }

                }
                catch (Exception ex)
                {
                    return Json(new { Success = false, Message = ex.Message }, JsonRequestBehavior.AllowGet);
                }
            }
            else
            {
                return Json(new { Success = false, Message = "请选择要上传的文件！" }, JsonRequestBehavior.AllowGet);
            }
        }