/// <summary> /// 把实体类转换成键/值对集合 /// </summary> /// <param name="entity"></param> /// <param name="dict"></param> private static void GetParameters(Region_CEntity entity, Dictionary <string, object> dict) { dict.Add("ID", entity.ID); dict.Add("Country", entity.Country); dict.Add("Province", entity.Province); dict.Add("City", entity.City); dict.Add("Area", entity.Area); dict.Add("Name", entity.Name); }
/// <summary> /// 通过数据读取器生成实体类 /// </summary> /// <param name="rdr"></param> /// <returns></returns> private static Region_CEntity GetEntityFromrdr(NullableDataReader rdr) { Region_CEntity info = new Region_CEntity(); info.ID = rdr.GetInt32("ID"); info.Country = rdr.GetString("Country"); info.Province = rdr.GetString("Province"); info.City = rdr.GetString("City"); info.Area = rdr.GetString("Area"); info.Name = rdr.GetString("Name"); return(info); }
/// <summary> /// 获取实体(异步方式) /// </summary> /// <param name="strWhere">参数化查询条件(例如: and Name = @Name )</param> /// <param name="dict">参数的名/值集合</param> /// <returns></returns> public virtual async Task <Region_CEntity> GetEntityAsync(string strWhere, Dictionary <string, object> dict = null) { Region_CEntity obj = null; string strSQL = "select top 1 * from Region_C where 1=1 " + strWhere; using (NullableDataReader reader = await Task.Run(() => _DB.GetDataReader(strSQL, dict))) { if (reader.Read()) { obj = GetEntityFromrdr(reader); } } return(obj); }
/// <summary> /// 更新一条记录(异步方式) /// </summary> /// <param name="entity">实体模型</param> /// <returns></returns> public virtual async Task <bool> UpdateAsync(Region_CEntity entity) { Dictionary <string, object> dict = new Dictionary <string, object>(); GetParameters(entity, dict); string strSQL = "Update Region_C SET " + "Country = @Country," + "Province = @Province," + "City = @City," + "Area = @Area," + "Name = @Name" + " WHERE " + "ID = @ID"; return(await Task.Run(() => _DB.ExeSQLResult(strSQL, dict))); }
/// <summary> /// 增加一条记录,返回新的ID号。需要有一个单一主键,并且开启有标识符属性(异步方式) /// </summary> /// <param name="entity">实体模型</param> /// <returns></returns> public virtual async Task <int> InsertAsync(Region_CEntity entity) { Dictionary <string, object> dict = new Dictionary <string, object>(); GetParameters(entity, dict); string strSQL = "insert into Region_C (" + "Country," + "Province," + "City," + "Area," + "Name) " + "values(" + "@Country," + "@Province," + "@City," + "@Area," + "@Name)"; return(await Task.Run(() => _DB.ReturnID(strSQL, dict))); }
/// <summary> /// 增加一条记录,返回新的ID号。需要有一个单一主键,并且开启有标识符属性 /// </summary> /// <param name="entity">实体模型</param> /// <returns></returns> public virtual int Insert(Region_CEntity entity) { Dictionary <string, object> dict = new Dictionary <string, object>(); GetParameters(entity, dict); string strSQL = "insert into Region_C (" + "Country," + "Province," + "City," + "Area," + "Name) " + "values(" + "@Country," + "@Province," + "@City," + "@Area," + "@Name)"; return(_DB.ReturnID(strSQL, dict)); }
/// <summary> /// 增加或更新一条记录(异步方式) /// </summary> /// <param name="entity">实体模型</param> /// <param name="IsSave">是否增加</param> /// <returns></returns> public virtual async Task <bool> AddOrUpdateAsync(Region_CEntity entity, bool IsSave) { return(IsSave ? await AddAsync(entity) : await UpdateAsync(entity)); }
/// <summary> /// 增加或更新一条记录 /// </summary> /// <param name="entity">实体模型</param> /// <param name="IsSave">是否增加</param> /// <returns></returns> public virtual bool AddOrUpdate(Region_CEntity entity, bool IsSave) { return(IsSave ? Add(entity) : Update(entity)); }