private void MergeFiles(HttpContext context) { string guid = context.Request["guid"]; //GUID string filename = context.Request["filename"]; //文件名 string filesize = context.Request["filesize"]; //文件大小 int Ifilesize = 0; string fileExt = Utils.GetFileExt(filename); //文件扩展名,不含“.” int.TryParse(filesize, out Ifilesize); //获得文件大小,以字节为单位 string fileName = filename.Substring(filename.LastIndexOf(@"\") + 1); //取得原文件名 string newFileName = Utils.GetRamCode() + "." + fileExt; //随机生成新的文件名 Web.UI.UpLoad upload = new UpLoad(); string msg = string.Empty; string root = context.Server.MapPath("~/Temp/"); string sourcePath = Path.Combine(root, guid + "/"); //源数据文件夹 string targetPath = Path.Combine(root, Guid.NewGuid() + fileExt); //合并后的文件 DirectoryInfo dicInfo = new DirectoryInfo(sourcePath); if (Directory.Exists(Path.GetDirectoryName(sourcePath))) { msg = upload.MergeFiles(filename, Ifilesize, dicInfo); DeleteFolder(sourcePath); // context.Response.Write("{\"chunked\" : true, \"hasError\" : false, \"savePath\" :\"" + System.Web.HttpUtility.UrlEncode(targetPath) + "\"}"); //context.Response.Write(msg); } //返回成功信息 context.Response.Write(msg); context.Response.End(); }