/// <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(HirePurchaseEntity entity)
{
Dictionary <string, object> dict = new Dictionary <string, object>();
GetParameters(entity, dict);
string strSQL = "insert into HirePurchase (" +
"NodeID," +
"ProductID," +
"DownPayment," +
"DownPaymentMax," +
"YearRate," +
"Fee," +
"MerchantRebate," +
"Deadline," +
"MinLoanMoney," +
"MaxLoanMoney) " +
"values(" +
"@NodeID," +
"@ProductID," +
"@DownPayment," +
"@DownPaymentMax," +
"@YearRate," +
"@Fee," +
"@MerchantRebate," +
"@Deadline," +
"@MinLoanMoney," +
"@MaxLoanMoney)";
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(HirePurchaseEntity entity)
{
Dictionary <string, object> dict = new Dictionary <string, object>();
GetParameters(entity, dict);
string strSQL = "insert into HirePurchase (" +
"NodeID," +
"ProductID," +
"DownPayment," +
"DownPaymentMax," +
"YearRate," +
"Fee," +
"MerchantRebate," +
"Deadline," +
"MinLoanMoney," +
"MaxLoanMoney) " +
"values(" +
"@NodeID," +
"@ProductID," +
"@DownPayment," +
"@DownPaymentMax," +
"@YearRate," +
"@Fee," +
"@MerchantRebate," +
"@Deadline," +
"@MinLoanMoney," +
"@MaxLoanMoney)";
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(HirePurchaseEntity entity, Dictionary <string, object> dict)
{
dict.Add("ID", entity.ID);
dict.Add("NodeID", entity.NodeID);
dict.Add("ProductID", entity.ProductID);
dict.Add("DownPayment", entity.DownPayment);
dict.Add("DownPaymentMax", entity.DownPaymentMax);
dict.Add("YearRate", entity.YearRate);
dict.Add("Fee", entity.Fee);
dict.Add("MerchantRebate", entity.MerchantRebate);
dict.Add("Deadline", entity.Deadline);
dict.Add("MinLoanMoney", entity.MinLoanMoney);
dict.Add("MaxLoanMoney", entity.MaxLoanMoney);
}
/// <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 <HirePurchaseEntity> GetEntityAsync(string strWhere, Dictionary <string, object> dict = null)
{
HirePurchaseEntity obj = null;
string strSQL = "select top 1 * from HirePurchase 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 HirePurchaseEntity GetEntityFromrdr(NullableDataReader rdr)
{
HirePurchaseEntity info = new HirePurchaseEntity();
info.ID = rdr.GetInt32("ID");
info.NodeID = rdr.GetInt32("NodeID");
info.ProductID = rdr.GetInt32("ProductID");
info.DownPayment = rdr.GetDecimal("DownPayment");
info.DownPaymentMax = rdr.GetDecimal("DownPaymentMax");
info.YearRate = rdr.GetDecimal("YearRate");
info.Fee = rdr.GetDecimal("Fee");
info.MerchantRebate = rdr.GetDecimal("MerchantRebate");
info.Deadline = rdr.GetInt32("Deadline");
info.MinLoanMoney = rdr.GetDecimal("MinLoanMoney");
info.MaxLoanMoney = rdr.GetDecimal("MaxLoanMoney");
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(HirePurchaseEntity entity)
{
Dictionary <string, object> dict = new Dictionary <string, object>();
GetParameters(entity, dict);
string strSQL = "Update HirePurchase SET " +
"NodeID = @NodeID," +
"ProductID = @ProductID," +
"DownPayment = @DownPayment," +
"DownPaymentMax = @DownPaymentMax," +
"YearRate = @YearRate," +
"Fee = @Fee," +
"MerchantRebate = @MerchantRebate," +
"Deadline = @Deadline," +
"MinLoanMoney = @MinLoanMoney," +
"MaxLoanMoney = @MaxLoanMoney" +
" 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(HirePurchaseEntity 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(HirePurchaseEntity entity, bool IsSave)
{
return(IsSave ? Add(entity) : Update(entity));
}
