/// <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(DeliverChargeEntity entity)
{
Dictionary <string, object> dict = new Dictionary <string, object>();
GetParameters(entity, dict);
string strSQL = "insert into DeliverCharge (" +
"DeliverTypeID," +
"AreaType," +
"arrArea," +
"Charge_Min," +
"Weight_Min," +
"ChargePerUnit," +
"WeightPerUnit," +
"Charge_Max) " +
"values(" +
"@DeliverTypeID," +
"@AreaType," +
"@arrArea," +
"@Charge_Min," +
"@Weight_Min," +
"@ChargePerUnit," +
"@WeightPerUnit," +
"@Charge_Max)";
return(await Task.Run(() => _DB.ReturnID(strSQL, dict)));
}
/// <summary>
/// 增加一条记录
/// </summary>
/// <param name="entity">实体模型</param>
/// <returns></returns>
public virtual bool Add(DeliverChargeEntity entity)
{
Dictionary <string, object> dict = new Dictionary <string, object>();
GetParameters(entity, dict);
string strSQL = "insert into DeliverCharge (" +
"DeliverTypeID," +
"AreaType," +
"arrArea," +
"Charge_Min," +
"Weight_Min," +
"ChargePerUnit," +
"WeightPerUnit," +
"Charge_Max) " +
"values(" +
"@DeliverTypeID," +
"@AreaType," +
"@arrArea," +
"@Charge_Min," +
"@Weight_Min," +
"@ChargePerUnit," +
"@WeightPerUnit," +
"@Charge_Max)";
return(_DB.ExeSQLResult(strSQL, dict));
}
/// <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(DeliverChargeEntity entity, Dictionary <string, object> dict)
{
dict.Add("ID", entity.ID);
dict.Add("DeliverTypeID", entity.DeliverTypeID);
dict.Add("AreaType", entity.AreaType);
dict.Add("arrArea", entity.ArrArea);
dict.Add("Charge_Min", entity.Charge_Min);
dict.Add("Weight_Min", entity.Weight_Min);
dict.Add("ChargePerUnit", entity.ChargePerUnit);
dict.Add("WeightPerUnit", entity.WeightPerUnit);
dict.Add("Charge_Max", entity.Charge_Max);
}
/// <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 <DeliverChargeEntity> GetEntityAsync(string strWhere, Dictionary <string, object> dict = null)
{
DeliverChargeEntity obj = null;
string strSQL = "select top 1 * from DeliverCharge where 1=1 " + strWhere;
using (NullableDataReader reader = await Task.Run(() => _DB.GetDataReader(strSQL, dict)))
{
if (reader.Read())
{
obj = GetEntityFromrdr(reader);
}
}
return(obj);
}
/// <summary>
/// 通过数据读取器生成实体类
/// </summary>
/// <param name="rdr"></param>
/// <returns></returns>
private static DeliverChargeEntity GetEntityFromrdr(NullableDataReader rdr)
{
DeliverChargeEntity info = new DeliverChargeEntity();
info.ID = rdr.GetInt32("ID");
info.DeliverTypeID = rdr.GetInt32("DeliverTypeID");
info.AreaType = rdr.GetInt32("AreaType");
info.ArrArea = rdr.GetString("arrArea");
info.Charge_Min = rdr.GetDecimal("Charge_Min");
info.Weight_Min = rdr.GetDouble("Weight_Min");
info.ChargePerUnit = rdr.GetDecimal("ChargePerUnit");
info.WeightPerUnit = rdr.GetDouble("WeightPerUnit");
info.Charge_Max = rdr.GetDecimal("Charge_Max");
return(info);
}
/// <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(DeliverChargeEntity entity)
{
Dictionary <string, object> dict = new Dictionary <string, object>();
GetParameters(entity, dict);
string strSQL = "Update DeliverCharge SET " +
"DeliverTypeID = @DeliverTypeID," +
"AreaType = @AreaType," +
"arrArea = @arrArea," +
"Charge_Min = @Charge_Min," +
"Weight_Min = @Weight_Min," +
"ChargePerUnit = @ChargePerUnit," +
"WeightPerUnit = @WeightPerUnit," +
"Charge_Max = @Charge_Max" +
" WHERE " +
"ID = @ID";
return(await Task.Run(() => _DB.ExeSQLResult(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(DeliverChargeEntity 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(DeliverChargeEntity entity, bool IsSave)
{
return(IsSave ? Add(entity) : Update(entity));
}
