SQL多条件查询Sql语句(动易标签常用)

DECLARE @startIndex INT, --用来判断的变量 @ordertype NVARCHAR(500), --条件语句 @SqlBase NVARCHAR(500) --最终的sql语句 SELECT @startIndex=3 SELECT @ordertype=CASE --根据条件组合sql语句 WHEN @startIndex=1 THEN 'ORDER BY CM.GeneralID DESC ' WHEN @startIndex=2 THEN 'ORDER BY CM.GeneralID ASC ' WHEN @startIndex=3 THEN 'ORDER BY CM.DefaultPicUrl DESC ' END --拼凑最终的sql语句 SELECT @SqlBase='SELECT TOP 1 GeneralID FROM PE_CommonModel CM WHERE ISNULL(CM.DefaultPicUrl , '''')!='''' '+'and CM.NodeID IN('''+CAST(34 AS NVARCHAR(10))+''')'+@ordertype SELECT @SqlBase --查看sql语句 EXEC (@SqlBase) --执行sql语句