/*数据库分页存储过程，支持倒序和升序参数说明： @tablename：为搜索表名 @tablefield：为表的字段，约定为表的主键, @where：为搜索表名，要显示所有记录请设为'1=1' @orderby：为搜索结果排序，如order by id desc @fieldlist：为字段列表，如userid, username @curpage：当前页码 @page_record：每页记录条数 @Sort：排序标识（如果是倒序排，参数值为desc，为升序，参数值为asc，跟orderby参数是对应的）结果： 返回表tablename中满足条件where的第curpage页的page_record条记录，结果按orderby排序*/CREATE PROCEDURE proc_CommonPaging
@tablename varchar(100),@tablefield varchar(20),@where varchar(5000),@orderby varchar(500),@fieldlist varchar(1000),@curpage int,@page_record int,@sort varchar(8)
AS
BEGIN
DECLARE @cmd varchar(8000) DECLARE @uprecord int DECLARE @Op varchar(2) -- 操作符 DECLARE @max_min varchar(4) -- 最大/最小计算
SET @op = '<' SET @max_min = 'MIN' IF @sort = 'asc' BEGIN SET @Op = '>' SET @max_min = 'MAX' END
SET @uprecord=@curpage * @page_record IF @curpage = 0 SET @cmd = 'SELECT TOP '+cast(@page_record AS NVARCHAR)+' '+@fieldlist+' FROM '+@tablename+' WHERE '+@where+' '+@orderby ELSE SET @cmd = 'SELECT TOP '+cast(@page_record AS NVARCHAR)+' '+@fieldlist+' FROM '+@tablename+' WHERE '+@where+' AND '+@tablefield+' '+@op+' (SELECT '+@max_min+'('+@tablefield+'); FROM (SELECT TOP; '+cast(@uprecord AS NVARCHAR)+' '+@tablefield+' FROM '+@tablename+' WHERE '+@where+' '+@orderby+') AS TmpTbl ) AND '+@where+' '+@orderby
SET @cmd = @cmd + '; SELECT COUNT(*) FROM '+@tablename+' WHERE '+@where
EXEC(@cmd) PRINT(@cmd)
ENDGO
