/// <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(ProducerEntity entity)
{
Dictionary <string, object> dict = new Dictionary <string, object>();
GetParameters(entity, dict);
string strSQL = "Update Producer SET " +
"ProducerType = @ProducerType," +
"ProducerName = @ProducerName," +
"ProducerShortName = @ProducerShortName," +
"ProducerPhoto = @ProducerPhoto," +
"BirthDay = @BirthDay," +
"Address = @Address," +
"Postcode = @Postcode," +
"Phone = @Phone," +
"Fax = @Fax," +
"Email = @Email," +
"Homepage = @Homepage," +
"ProducerIntro = @ProducerIntro," +
"LastUseTime = @LastUseTime," +
"IsPassed = @IsPassed," +
"IsTop = @IsTop," +
"IsElite = @IsElite," +
"Hits = @Hits" +
" WHERE " +
"ProducerID = @ProducerID";
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(ProducerEntity entity)
{
if (entity.ProducerID <= 0)
{
entity.ProducerID = GetNewID();
}
Dictionary <string, object> dict = new Dictionary <string, object>();
GetParameters(entity, dict);
string strSQL = "insert into Producer (" +
"ProducerID," +
"ProducerType," +
"ProducerName," +
"ProducerShortName," +
"ProducerPhoto," +
"BirthDay," +
"Address," +
"Postcode," +
"Phone," +
"Fax," +
"Email," +
"Homepage," +
"ProducerIntro," +
"LastUseTime," +
"IsPassed," +
"IsTop," +
"IsElite," +
"Hits) " +
"values(" +
"@ProducerID," +
"@ProducerType," +
"@ProducerName," +
"@ProducerShortName," +
"@ProducerPhoto," +
"@BirthDay," +
"@Address," +
"@Postcode," +
"@Phone," +
"@Fax," +
"@Email," +
"@Homepage," +
"@ProducerIntro," +
"@LastUseTime," +
"@IsPassed," +
"@IsTop," +
"@IsElite," +
"@Hits)";
if (await Task.Run(() => _DB.ExeSQLResult(strSQL, dict)))
{
return(DataConverter.CLng(entity.ProducerID));
}
return(-1);
}
/// <summary>
/// 增加一条记录
/// </summary>
/// <param name="entity">实体模型</param>
/// <returns></returns>
public virtual bool Add(ProducerEntity entity)
{
if (entity.ProducerID <= 0)
{
entity.ProducerID = GetNewID();
}
Dictionary <string, object> dict = new Dictionary <string, object>();
GetParameters(entity, dict);
string strSQL = "insert into Producer (" +
"ProducerID," +
"ProducerType," +
"ProducerName," +
"ProducerShortName," +
"ProducerPhoto," +
"BirthDay," +
"Address," +
"Postcode," +
"Phone," +
"Fax," +
"Email," +
"Homepage," +
"ProducerIntro," +
"LastUseTime," +
"IsPassed," +
"IsTop," +
"IsElite," +
"Hits) " +
"values(" +
"@ProducerID," +
"@ProducerType," +
"@ProducerName," +
"@ProducerShortName," +
"@ProducerPhoto," +
"@BirthDay," +
"@Address," +
"@Postcode," +
"@Phone," +
"@Fax," +
"@Email," +
"@Homepage," +
"@ProducerIntro," +
"@LastUseTime," +
"@IsPassed," +
"@IsTop," +
"@IsElite," +
"@Hits)";
return(_DB.ExeSQLResult(strSQL, dict));
}
/// <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 <ProducerEntity> GetEntityAsync(string strWhere, Dictionary <string, object> dict = null)
{
ProducerEntity obj = null;
string strSQL = "select top 1 * from Producer where 1=1 " + strWhere;
using (NullableDataReader reader = await Task.Run(() => _DB.GetDataReader(strSQL, dict)))
{
if (reader.Read())
{
obj = GetEntityFromrdr(reader);
}
}
return(obj);
}
/// <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(ProducerEntity entity, Dictionary <string, object> dict)
{
dict.Add("ProducerID", entity.ProducerID);
dict.Add("ProducerType", entity.ProducerType);
dict.Add("ProducerName", entity.ProducerName);
dict.Add("ProducerShortName", entity.ProducerShortName);
dict.Add("ProducerPhoto", entity.ProducerPhoto);
dict.Add("BirthDay", entity.BirthDay);
dict.Add("Address", entity.Address);
dict.Add("Postcode", entity.Postcode);
dict.Add("Phone", entity.Phone);
dict.Add("Fax", entity.Fax);
dict.Add("Email", entity.Email);
dict.Add("Homepage", entity.Homepage);
dict.Add("ProducerIntro", entity.ProducerIntro);
dict.Add("LastUseTime", entity.LastUseTime);
dict.Add("IsPassed", entity.IsPassed);
dict.Add("IsTop", entity.IsTop);
dict.Add("IsElite", entity.IsElite);
dict.Add("Hits", entity.Hits);
}
/// <summary>
/// 通过数据读取器生成实体类
/// </summary>
/// <param name="rdr"></param>
/// <returns></returns>
private static ProducerEntity GetEntityFromrdr(NullableDataReader rdr)
{
ProducerEntity info = new ProducerEntity();
info.ProducerID = rdr.GetInt32("ProducerID");
info.ProducerType = rdr.GetInt32("ProducerType");
info.ProducerName = rdr.GetString("ProducerName");
info.ProducerShortName = rdr.GetString("ProducerShortName");
info.ProducerPhoto = rdr.GetString("ProducerPhoto");
info.BirthDay = rdr.GetNullableDateTime("BirthDay");
info.Address = rdr.GetString("Address");
info.Postcode = rdr.GetString("Postcode");
info.Phone = rdr.GetString("Phone");
info.Fax = rdr.GetString("Fax");
info.Email = rdr.GetString("Email");
info.Homepage = rdr.GetString("Homepage");
info.ProducerIntro = rdr.GetString("ProducerIntro");
info.LastUseTime = rdr.GetNullableDateTime("LastUseTime");
info.IsPassed = rdr.GetBoolean("IsPassed");
info.IsTop = rdr.GetBoolean("IsTop");
info.IsElite = rdr.GetBoolean("IsElite");
info.Hits = rdr.GetInt32("Hits");
return(info);
}
/// <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(ProducerEntity 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(ProducerEntity entity, bool IsSave)
{
return(IsSave ? Add(entity) : Update(entity));
}
