SELECT     表名=case when a.colorder=1 then d.name else ‘‘ end,     字段序号=a.colorder,     主键=case when exists(SELECT 1 FROM sysobjects where xtype=‘PK‘ and name in (     SELECT name FROM sysindexes WHERE indid in(     SELECT indid FROM sysindexkeys WHERE id = a.id AND colid=a.colid     ))) then ‘√‘ else ‘‘ end,     字段名=a.name,     类型=b.name,     长度=COLUMNPROPERTY(a.id,a.name,‘PRECISION‘),     小数位数=isnull(COLUMNPROPERTY(a.id,a.name,‘Scale‘),0),     允许空=case when a.isnullable=1 then ‘√‘else ‘‘ end,     字段说明=isnull(g.[value],‘‘) FROM syscolumns a left join systypes b on a.xtype=b.xusertype inner join sysobjects d on a.id=d.id and d.xtype=‘U‘ and d.name<>‘dtproperties‘ left join syscomments e on a.cdefault=e.id left join sys.extended_properties g on a.id=g.major_id and a.colid=g.minor_id left join sys.extended_properties f on d.id=f.major_id and f.minor_id =0 where d.name not like ‘%dict%‘ --如果只查询指定表,加上此条件 order by a.id,a.colorder