sqlite的拼接字段的方法（sqlite没有convert函数）

我在sqlserver 操作方式：

   /// <summary>///获取当前门店工资列表/// </summary>/// <param name="wheres">其他条件</param>/// <param name="ThisMendian">当前门店</param>/// <param name="IsNotUseYearMonth">是否需要单一的年月来获取工资</param>/// <returns></returns>public IEnumerable<GongziInfos> QueryListByMendianInWhere(string wheres ,bool IsNotUseYearMonth){string Top = string.IsNullOrWhiteSpace(wheres) ? "Top 1000" : string.Empty; string sql = $@"SELECT  {Top} * from ( select  *, cast(CONVERT( varchar,Year)+ '-'+CONVERT(varchar,Month)+'-15' as Date) as SetGongziDate FROM [GongziInfos]) aWhere 1 = 1 {wheres} ";return DapperDbHelper.Query<GongziInfos>(sql);}

替换为sqlite的操作：

        /// <summary>///获取当前门店工资列表/// </summary>/// <param name="wheres">其他条件</param>/// <param name="ThisMendian">当前门店</param>/// <param name="IsNotUseYearMonth">是否需要单一的年月来获取工资</param>/// <returns></returns>public IEnumerable<GongziInfos> QueryListByMendianInWhere(string wheres, bool IsNotUseYearMonth){string Top = string.IsNullOrWhiteSpace(wheres) ? "limit 100" : string.Empty;string sql = $@"SELECT  * from ( select  *, Year||'-'||Month||'-15' as SetGongziDate FROM [GongziInfos]) aWhere 1 = 1 {wheres} {Top}  ";//return DapperDbHelper.Query<GongziInfos>(sql);using (IDbConnection Conn = new DALDBBase().GetOpenConn()){return Conn.Query<GongziInfos>(sql);}}