USE [YQOBS] GO /****** Object: StoredProcedure [dbo].[PageList] Script Date: 11/06/2014 11:39:35 ******/ SET ANSI_NULLS OFF GO SET QUOTED_IDENTIFIER OFF GO ------------------------------------------------------------ -- --通用的分页存储过程 -- ------------------------------------------------------------- ALTER PROCEDURE [dbo].[PageList] ( @tblName nvarchar(max), ----要显示的表或多个表的连接 @fldName nvarchar(4000) = ‘*‘, ----要显示的字段列表 @pageSize int = 1, ----每页显示的记录个数 @page int = 10, ----要显示那一页的记录 @fldSort nvarchar(200) = null, ----排序字段列表或条件 @Sort bit = 0, ----排序方法,0为升序,1为降序(如果是多字段排列Sort指代最后一个排序字段的排列顺序(最后一个排序字段不加排序标记)--程序传参如:‘ SortA Asc,SortB Desc,SortC ‘) @strCondition nvarchar(2000) = null, ----查询条件,不需where,以And开始 @ID nvarchar(150), ----主表的主键 @Dist bit = 0 , ----是否添加查询字段的 DISTINCT 默认0不添加/1添加 @pageCount int = 1 output, ----查询结果分页后的总页数 @Counts int = 1 output, ----查询到的记录数 @strSql nvarchar(max) = ‘‘ output -----最后返回的SQL语句 ) AS SET NOCOUNT ON Declare @sqlTmp nvarchar(4000) ----存放动态生成的SQL语句 Declare @strTmp nvarchar(4000) ----存放取得查询结果总数的查询语句 Declare @strID nvarchar(4000) ----存放取得查询开头或结尾ID的查询语句 Declare @strSortType nvarchar(10) ----数据排序规则A Declare @strFSortType nvarchar(10) ----数据排序规则B Declare @SqlSelect nvarchar(50) ----对含有DISTINCT的查询进行SQL构造 Declare @SqlCounts nvarchar(50) ----对含有DISTINCT的总数查询进行SQL构造 if @Dist = 0 begin set @SqlSelect = ‘select ‘ set @SqlCounts = ‘Count(*)‘ end else begin set @SqlSelect = ‘select distinct ‘ set @SqlCounts = ‘Count(DISTINCT ‘+@ID+‘)‘ end if @Sort=0 begin set @strFSortType=‘ ASC ‘ set @strSortType=‘ DESC ‘ end else begin set @strFSortType=‘ DESC ‘ set @strSortType=‘ ASC ‘ end --------生成查询语句-------- --此处@strTmp为取得查询结果数量的语句 if @strCondition is null or @strCondition=‘‘ --没有设置显示条件 begin set @sqlTmp = @fldName + ‘ From ‘ + @tblName set @strTmp = @SqlSelect+‘ @Counts=‘+@SqlCounts+‘ FROM ‘+@tblName set @strID = ‘ From ‘ + @tblName end else begin set @sqlTmp = + @fldName + ‘From ‘ + @tblName + ‘ where (1>0) ‘ + @strCondition set @strTmp = @SqlSelect+‘ @Counts=‘+@SqlCounts+‘ FROM ‘+@tblName + ‘ where (1>0) ‘ + @strCondition set @strID = ‘ From ‘ + @tblName + ‘ where (1>0) ‘ + @strCondition end ----取得查询结果总数量----- exec sp_executesql @strTmp,N‘@Counts int out ‘,@Counts out declare @tmpCounts int if @Counts = 0 set @tmpCounts = 1 else set @tmpCounts = @Counts --取得分页总数 set @pageCount=(@tmpCounts+@pageSize-1)/@pageSize /**//**当前页大于总页数 取最后一页**/ if @page>@pageCount set @page=@pageCount --/*-----数据分页2分处理-------*/ declare @pageIndex int --总数/页大小 declare @lastcount int --总数%页大小 set @pageIndex = @tmpCounts/@pageSize set @lastcount = @tmpCounts%@pageSize if @lastcount > 0 set @pageIndex = @pageIndex + 1 else set @lastcount = @pagesize --//***显示分页 if @strCondition is null or @strCondition=‘‘ --没有设置显示条件 begin if @pageIndex<2 or @page<=@pageIndex / 2 + @pageIndex % 2 --前半部分数据处理 begin set @strTmp=@SqlSelect+‘ top ‘+ CAST(@pageSize as VARCHAR(4))+‘ ‘+ @fldName+‘ from ‘+@tblName +‘ where ‘+@ID+‘ not in(‘+ @SqlSelect+‘ top ‘+ CAST(@pageSize*(@page-1) as Varchar(20)) +‘ ‘+ @ID +‘ from ‘+@tblName +‘ order by ‘+ @fldSort +‘ ‘+ @strFSortType+‘)‘ +‘ order by ‘+ @fldSort +‘ ‘+ @strFSortType end else begin set @page = @pageIndex-@page+1 --后半部分数据处理 if @page <= 1 --最后一页数据显示 set @strTmp=@SqlSelect+‘ * from (‘+@SqlSelect+‘ top ‘+ CAST(@lastcount as VARCHAR(4))+‘ ‘+ @fldName+‘ from ‘+@tblName +‘ order by ‘+ @fldSort +‘ ‘+ @strSortType+‘) AS TempTB‘+‘ order by ‘+ @fldSort +‘ ‘+ @strFSortType else set @strTmp=@SqlSelect+‘ * from (‘+@SqlSelect+‘ top ‘+ CAST(@pageSize as VARCHAR(4))+‘ ‘+ @fldName+‘ from ‘+@tblName +‘ where ‘+@ID+‘ not in(‘+ @SqlSelect+‘ top ‘+ CAST(@pageSize*(@page-2)+@lastcount as Varchar(20)) +‘ ‘+ @ID +‘ from ‘+@tblName +‘ order by ‘+ @fldSort +‘ ‘+ @strSortType+‘)‘ +‘ order by ‘+ @fldSort +‘ ‘+ @strSortType+‘) AS TempTB‘+‘ order by ‘+ @fldSort +‘ ‘+ @strFSortType end end else --有查询条件 begin if @pageIndex<2 or @page<=@pageIndex / 2 + @pageIndex % 2 --前半部分数据处理 begin set @strTmp=@SqlSelect+‘ top ‘+ CAST(@pageSize as VARCHAR(4))+‘ ‘+ @fldName +‘ from ‘+@tblName +‘ where ‘+@ID+‘ not in(‘+ @SqlSelect+‘ top ‘+ CAST(@pageSize*(@page-1) as Varchar(20)) +‘ ‘+ @ID +‘ from ‘+@tblName +‘ Where (1>0) ‘ + @strCondition + ‘ order by ‘+ @fldSort +‘ ‘+ @strFSortType+‘)‘ +‘ ‘ + @strCondition + ‘ order by ‘+ @fldSort +‘ ‘+ @strFSortType end else begin set @page = @pageIndex-@page+1 --后半部分数据处理 if @page <= 1 --最后一页数据显示 set @strTmp=@SqlSelect+‘ * from (‘+@SqlSelect+‘ top ‘+ CAST(@lastcount as VARCHAR(4))+‘ ‘+ @fldName+‘ from ‘+@tblName +‘ where (1>0) ‘+ @strCondition +‘ order by ‘+ @fldSort +‘ ‘+ @strSortType+‘) AS TempTB‘+‘ order by ‘+ @fldSort +‘ ‘+ @strFSortType else set @strTmp=@SqlSelect+‘ * from (‘+@SqlSelect+‘ top ‘+ CAST(@pageSize as VARCHAR(4))+‘ ‘+ @fldName+‘ from ‘+@tblName +‘ where ‘+@ID+‘ not in(‘+ @SqlSelect+‘ top ‘+ CAST(@pageSize*(@page-2)+@lastcount as Varchar(20)) +‘ ‘+ @ID +‘ from ‘+@tblName +‘ where (1>0) ‘+ @strCondition +‘ order by ‘+ @fldSort +‘ ‘+ @strSortType+‘)‘ + @strCondition +‘ order by ‘+ @fldSort +‘ ‘+ @strSortType+‘) AS TempTB‘+‘ order by ‘+ @fldSort +‘ ‘+ @strFSortType end end ------返回查询结果----- set @strSql = @strTmp --print @strTmp exec sp_executesql @strTmp print @strTmp
时间: 2024-11-18 17:29:59