<script type="text/javascript">          function ajaxFileUpload(){               $.ajaxFileUpload({                    url:‘ajax/UploadImage.ashx‘,            //需要链接到服务器地址                    secureuri: false,                    fileElementId:‘houseMaps‘,                        //文件选择框的id属性                    dataType: ‘JSON‘,                                     //服务器返回的格式，可以是json                    success: function (data, status)            //相当于java中try语句块的用法                    {                         //alert(data);                          if(data.length > 0){                            $("#Photo").val(data);                            $("#btnUpload").val("已上传");                            alert("成功!");                        }                        else{                            $("#Photo").val("");                             $("#btnUpload").val("上传");                            alert("失败!");                        }                    },                    error: function (data, status, e)            //相当于java中catch语句块的用法                    {                        alert("失败");                        //$(‘#result‘).html(‘添加失败‘);                    }                });          }      </script>

context.Response.ContentType = "text/html";                HttpFileCollection files = context.Request.Files;        string msg = string.Empty;        string error = string.Empty;        string imgurl;        try        {            if (files.Count > 0)            {                //files[0].SaveAs(Server.MapPath("/") + System.IO.Path.GetFileName(files[0].FileName));                string filePath = AppDomain.CurrentDomain.BaseDirectory + @"Admin\ApplyImage\";                string filename = files[0].FileName;                //检测文件名称                if (filename.ToLower().Contains(".jpg") || filename.ToLower().Contains(".gif") ||                filename.ToLower().Contains(".bmp"))                {                    //改文件名                    int index = filename.LastIndexOf(".");                    string lastName = filename.Substring(index, filename.Length - index);                    //新文件名称,以时间年月日时分秒作为文件名                    string newfile = DateTime.Now.ToString("yyyyMMddhhmmss") + lastName;                    files[0].SaveAs(filePath + newfile);                    //msg = " 成功! 文件大小为:" + files[0].ContentLength;                    //imgurl = "/" + files[0].FileName;                    //string res = "{ error:‘" + error + "‘, msg:‘" + msg + "‘,imgurl:‘" + imgurl + "‘}";                    //string res = "{error:‘‘,msg:‘成功‘}";                    context.Response.Write(newfile);                    context.Response.End();                }                else                {                    context.Response.Write("");                    context.Response.End();                }            }        }        catch        {            context.Response.Write("");            context.Response.End();        }