/// <summary>
/// 增加一条记录（异步方式）
/// </summary>
/// <param name="entity">实体模型</param>
/// <returns></returns>
public virtual async Task <bool> AddAsync(CollectionHistoryEntity entity)
{
if (entity.HistoryID <= 0)
{
entity.HistoryID = GetNewID();
}
Dictionary <string, object> dict = new Dictionary <string, object>();
GetParameters(entity, dict);
string strSQL = "insert into CollectionHistory (" +
"HistoryID," +
"ItemID," +
"ModelID," +
"NodeID," +
"GeneralID," +
"Title," +
"CollectionTime," +
"Result," +
"NewsUrl," +
"Remark) " +
"values(" +
"@HistoryID," +
"@ItemID," +
"@ModelID," +
"@NodeID," +
"@GeneralID," +
"@Title," +
"@CollectionTime," +
"@Result," +
"@NewsUrl," +
"@Remark)";
return(await Task.Run(() => _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(CollectionHistoryEntity entity, Dictionary <string, object> dict)
{
dict.Add("HistoryID", entity.HistoryID);
dict.Add("ItemID", entity.ItemID);
dict.Add("ModelID", entity.ModelID);
dict.Add("NodeID", entity.NodeID);
dict.Add("GeneralID", entity.GeneralID);
dict.Add("Title", entity.Title);
dict.Add("CollectionTime", entity.CollectionTime);
dict.Add("Result", entity.Result);
dict.Add("NewsUrl", entity.NewsUrl);
dict.Add("Remark", entity.Remark);
}
/// <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 <CollectionHistoryEntity> GetEntityAsync(string strWhere, Dictionary <string, object> dict = null)
{
CollectionHistoryEntity obj = null;
string strSQL = "select top 1 * from CollectionHistory 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 CollectionHistoryEntity GetEntityFromrdr(NullableDataReader rdr)
{
CollectionHistoryEntity info = new CollectionHistoryEntity();
info.HistoryID = rdr.GetInt32("HistoryID");
info.ItemID = rdr.GetInt32("ItemID");
info.ModelID = rdr.GetInt32("ModelID");
info.NodeID = rdr.GetInt32("NodeID");
info.GeneralID = rdr.GetInt32("GeneralID");
info.Title = rdr.GetString("Title");
info.CollectionTime = rdr.GetNullableDateTime("CollectionTime");
info.Result = rdr.GetInt32("Result");
info.NewsUrl = rdr.GetString("NewsUrl");
info.Remark = rdr.GetString("Remark");
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(CollectionHistoryEntity entity)
{
Dictionary <string, object> dict = new Dictionary <string, object>();
GetParameters(entity, dict);
string strSQL = "Update CollectionHistory SET " +
"ItemID = @ItemID," +
"ModelID = @ModelID," +
"NodeID = @NodeID," +
"GeneralID = @GeneralID," +
"Title = @Title," +
"CollectionTime = @CollectionTime," +
"Result = @Result," +
"NewsUrl = @NewsUrl," +
"Remark = @Remark" +
" WHERE " +
"HistoryID = @HistoryID";
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
/// </summary>
/// <param name="entity">实体模型</param>
/// <returns></returns>
public virtual int Insert(CollectionHistoryEntity entity)
{
if (entity.HistoryID <= 0)
{
entity.HistoryID = GetNewID();
}
Dictionary <string, object> dict = new Dictionary <string, object>();
GetParameters(entity, dict);
string strSQL = "insert into CollectionHistory (" +
"HistoryID," +
"ItemID," +
"ModelID," +
"NodeID," +
"GeneralID," +
"Title," +
"CollectionTime," +
"Result," +
"NewsUrl," +
"Remark) " +
"values(" +
"@HistoryID," +
"@ItemID," +
"@ModelID," +
"@NodeID," +
"@GeneralID," +
"@Title," +
"@CollectionTime," +
"@Result," +
"@NewsUrl," +
"@Remark)";
if (_DB.ExeSQLResult(strSQL, dict))
{
return(DataConverter.CLng(entity.HistoryID));
}
return(-1);
}
/// <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(CollectionHistoryEntity 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(CollectionHistoryEntity entity, bool IsSave)
{
return(IsSave ? Add(entity) : Update(entity));
}
