/// <summary>
/// 更新实体
/// </summary>
public static async Task <int> UpdateAsync <T>(this DbConnection connection, IEnumerable <T> objList, DbTransaction transaction) where T : BaseEntity
{
if (connection == null)
{
throw new ArgumentNullException(nameof(connection));
}
if (objList == null)
{
throw new ArgumentNullException(nameof(objList));
}
if (transaction == null)
{
throw new ArgumentNullException(nameof(transaction));
}
int count = 0;
using (DbCommand command = connection.CreateCommand())
{
command.Transaction = transaction;
string sql = CodeSegmentHelper.GenerateUpdateSql <T>();
command.CommandText = sql;
foreach (var item in objList)
{
if (item != null)
{
command.Parameters.Clear();
command.AppendEntityParameters <T>(item);
int result = await command.ExecuteNonQueryAsync();
count = result + count;
}
}
}
return(count);
}
/// <summary>
/// 更新对象
/// </summary>
public static async Task <int> UpdateAsync <T>(this DbConnection connection, T obj, DbTransaction transaction = null) where T : BaseEntity
{
if (connection == null)
{
throw new ArgumentNullException(nameof(connection));
}
if (obj == null)
{
throw new ArgumentNullException(nameof(obj));
}
using (DbCommand command = connection.CreateCommand())
{
if (transaction != null)
{
command.Transaction = transaction;
}
string sql = CodeSegmentHelper.GenerateUpdateSql <T>();
command.CommandText = sql;
command.Parameters.Clear();
command.AppendEntityParameters <T>(obj);
return(await command.ExecuteNonQueryAsync());
}
}