/// <summary>
/// 更新字段（主键）
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="columns"></param>
/// <param name="whereExpression"></param>
/// <param name="locked">是否锁</param>
/// <returns></returns>
public bool Update <T>(T t, Expression <Func <T, object> > columns, bool locked = false) where T : class, new()
{
try {
IUpdateable <T> updateable = dal.SqlSugarDb
.Updateable <T>(t)
.UpdateColumns(columns);
if (locked)
{
updateable = updateable.With(SqlWith.UpdLock);
}
bool result = updateable.ExecuteCommandHasChange();
return(result);
} catch (Exception) {
throw;
}
}
