/// <summary>
/// 执行sql
/// 使用方式 FormattableString sql=$"select * from xx where name ={xx} and pwd={xx1} "，
/// FromSqlInterpolated内部处理sql注入的问题，直接在{xx}写对应的值即可
/// 注意：sql必须 select * 返回所有TEntity字段，
/// </summary>
/// <param name="formattableString"></param>
/// <returns></returns>
public virtual IQueryable <TEntity> FromSqlInterpolated([NotNull] FormattableString sql)
{
//DBSet.FromSqlInterpolated(sql).Select(x => new { x,xxx}).ToList();
return(DBSet.FromSqlInterpolated(sql));
}