【原创】Coolite异步上传图片

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2010-09-21 08:49 by 冷风旋, 263 visits, 收藏, 编辑

异步上传图片

Coolite.Ext.Web.FileUploadField uploadControl = ((Coolite.Ext.Web.FileUploadField)this.tbMain.FindControl(ControlsID.imageUpload));
        //图片路径
        string strFileName = uploadControl.FileName;

        DateTime Now = DateTime.Now;

        string FileName = "Parts" + Now.ToString("yyyyMMddHHmmssffff");

        string FilePath = "~/UploadFile/ConstructImage/" + FileName + System.IO.Path.GetExtension(strFileName);
        
        try
        {
            System.Web.HttpFileCollection _files = System.Web.HttpContext.Current.Request.Files;

            for (System.Int32 _iFile = 0; _iFile < _files.Count; _iFile++)
            {
                System.Web.HttpPostedFile _postedFile = _files[_iFile];

                if (!string.IsNullOrEmpty(FilePath))
                {
                    if (System.IO.File.Exists(System.Web.HttpContext.Current.Request.MapPath(FilePath)))
                    {
                        File.Delete(System.Web.HttpContext.Current.Request.MapPath(FilePath));
                    }
                    _postedFile.SaveAs(System.Web.HttpContext.Current.Request.MapPath(FilePath));
                }
            }
        }
        catch
        {

            Coolite.Ext.Web.MessageBox.Config configError = new Coolite.Ext.Web.MessageBox.Config();
            configError.Title = "上传状态";
            configError.Message = "文件上传有错误,请检查!";
            configError.Buttons = Coolite.Ext.Web.MessageBox.Button.OK;
            configError.Icon = Coolite.Ext.Web.MessageBox.Icon.ERROR;
            Coolite.Ext.Web.Ext.Msg.Show(configError);
            return;
        }


        Coolite.Ext.Web.Image uploadImage = ((Coolite.Ext.Web.Image)this.tbMain.FindControl(ControlsID.uploadImage));
        uploadImage.ImageUrl = FilePath;

        this.ImageUrl = @"http://" + Request.Url.Host + ":" + Request.Url.Port.ToString() + Request.ApplicationPath + FilePath.Replace("~", string.Empty);

        Session.Add("imageUrl", ImageUrl.ToString());

        Coolite.Ext.Web.MessageBox.Config config = new Coolite.Ext.Web.MessageBox.Config();
        config.Title = "上传状态";
        config.Message = "上传成功";
        config.Buttons = Coolite.Ext.Web.MessageBox.Button.OK;
        config.Icon = Coolite.Ext.Web.MessageBox.Icon.INFO;

        Coolite.Ext.Web.Ext.Msg.Show(config);