备份和恢复（或叫导入导出）按钮中的代码及后台控制器中的代码案例

function(button, e)
{
    var grid = this.getView();
    var recs = grid.getSelectionModel().getSelection();
    var url=‘/Pc/XiTongPublic/HeChaYaoDian1Backup‘;
    window.open(util.urlFillAll(url),‘_blank‘);
}

        /// </summary>
        [HttpGet]
        [DontNeedPermit]
        public void XKZBackup(Guid[] IDs)
        {
            #region 实现
            var fileName = $"许可证导出{DateTime.Now.ToString("yyyy-MM-dd-HH-mm")}";
            fileName += $".xlsx";
            var ShuJus = _ioc.Query<XuKeZheng>(); // 默认全部备份
            var excel = new Excel()
                .AddSheet(ShuJus.ToSheet());
            excel.WriteToResponse(Response, fileName);
            excel.Close();
            #endregion
        }

function(button, e)
{
    var grid = this.getView();
    var win = Ext.create(‘ux.win.Recover‘, {
        url: ‘/Pc/XiTongPublic/HeChaYaoDian1Recover‘,
        confirmMessage: ‘恢复数据将会清空现有相同名称的核查要点并且无法再恢复，确认吗？‘,
        listeners:{
            close: function()
            {
                grid.getStore().reload();
            }
        }
    });
    grid.add(win);
    win.showBy(grid);    //相对整个视图居中显示
}

 /// 核查要点表餐饮服务数据恢复
        /// </summary>
        [HttpGet]
        [DontNeedPermit]
        public HyResultBase XKZRecover(Guid FileID)
        {
            #region 实现
            var r = new HyResultBase();
            string sFileName = UploadFile.GetFileSaveToTempFile(FileID);
            FileInfo file = new FileInfo(sFileName);
            if (!file.Exists)
            {
                r.Errors.Add("要导入的文件不存在，可能的原因：1、没有上传；2、虽已上传但目前已不存在；");
                return r;
            }
            var excel = new Excel(sFileName);
            var msg = "";
            var entityIDs = new List<Guid>();
            var total = 0;
            IRepository<XuKeZheng> db = null;
            _ioc.Query<XuKeZheng>().Delete().SaveToDB();
            // 以下注意恢复次序。以免产生外键约束错误
            excel.GetSheet<XuKeZheng>().ForEach(e =>
            {
                total++;
                e.Insert().MergingTempSave(db).SaveToTemp(out db);
            });
            db?.SaveToDB();
            excel.CloseAndDeleteFile();

            r.Success = true;
            msg += "\r\n" + "-".Repeat(10);
            msg += $"共上传[{total}]个许可证数据！";
            r.Messages.Add(msg + "-".Repeat(10));
            return r;
            #endregion
        }