private void DelData(HttpContext context, string btn) { if (btn != "btnDel") { context.Response.Write("{\"status\":\"0.2\",\"msg\":\"对不起,您没有操作权限!\"}"); return; } BLL.System.sys_Attachment bll = new BLL.System.sys_Attachment(); Model.System.sys_LoginUser loginUserModel = BaseWeb.GetLoginInfo(); //string status = "0"; string operaAction = ""; string operaMemo = ""; try { UpLoad upFiles = new UpLoad(); DataTable dt = bll.GetList("Source=1 and UseId=0").Tables[0]; if (dt.Rows.Count > 0) { for (int i = 0; i < dt.Rows.Count; i++) { upFiles.fileDel(dt.Rows[i]["FilePath"].ToString()); } } bll.Delete("Source=1 and UseId=0"); //status = "1"; operaAction = Enums.ActionEnum.Delete.ToString(); operaMemo = "清理上传文件"; //写入操作日志 BaseWeb.AddOpera(loginUserModel, int.Parse(RequestHelper.GetQueryString("MenuId")), operaAction, operaMemo); context.Response.Write("{\"status\":\"1\",\"msg\":\"清理成功!\"}"); return; } catch (Exception e) { context.Response.Write("{\"status\":\"0\",\"msg\":\"对不起,系统出错:" + Utils.HtmlEncode(e.Message) + "\"}"); return; } }