/*------------------------------------------------------------
--
--通用分页存储过程(二分法+临时表修正排序)
[email protected]
--
-------------------------------------------------------------*/
CREATE PROCEDURE [Pr_PageList_finnal]
(
@tblName nvarchar(200), ----要显示的表或多个表的连接
@fldName nvarchar(500) = '*', ----要显示的字段列表
@pageSize int = 10, ----每页显示的记录个数
@page int = 10, ----要显示那一页的记录
@sortRule varchar(1000), ---排序约束 类似 a.xx desc,b.xx as
@sortRuleReverse varchar(1000), ---排序约束 与上一条件相反即可如 a.xx asc,b.xx desc
@filter nvarchar(1000) = null,----查询条件,不需where
@primaryKey nvarchar(150), ----主表的主键 必须为自增量 也就是说 此列不存在任何重复值
@pageCount int = 1 output, ----查询结果分页后的总页数
@totalRecord int = 1 output, ----查询到的记录数
@returnSql nvarchar(1000) = '' output -----最后返回的SQL语句
)
AS
SET NOCOUNT ON ---不返回计数(表示受 Transact-SQL 语句影响的行数)
Declare @sqlTmp nvarchar(1000) ----存放动态生成的SQL语句
Declare @strTmp nvarchar(1000) ----存放取得查询结果总数的查询语句
Declare @strID nvarchar(1000) ----存放取得查询开头或结尾ID的查询语句
/*
Declare @sortTypeA nvarchar(10) ----数据排序规则A
Declare @sortTypeB nvarchar(10) ----数据排序规则B
*/
Declare @sqlSelect nvarchar(50)
Declare @sqlCounts nvarchar(50)
Declare @Erro nvarchar(500) -----错误统计if @primaryKey=''
begin
set @Erro='没有传入主键'
return @Erro;
return
end--------生成查询语句--------
--此处@strTmp为取得查询结果数量的语句
set @sqlSelect='select '
set @sqlCounts=' count(1) '
if @filter is null or @filter='' --没有设置显示条件
begin
set @sqlTmp = @fldName + ' FROM ' + @tblName
set @strTmp = @sqlSelect+' @totalRecord='+@sqlCounts+' FROM '+@tblName
set @strID = ' FROM ' + @tblName
end
else
begin
set @sqlTmp = @fldName + 'FROM ' + @tblName + ' WHERE ' + @filter
set @strTmp = @sqlSelect+' @totalRecord='+@sqlCounts+' FROM '+@tblName + ' WHERE ' + @filter
set @strID = ' FROM ' + @tblName + ' WHERE ' + @filter
end
----取得查询结果总数量-----
exec sp_executesql @strTmp,N'@totalRecord int out ',@totalRecord out
/* 记录总数获取完毕*/ /*取得分页总数*/
declare @tmpCounts int
if @totalRecord = 0
set @tmpCounts = 1
else
set @tmpCounts = @totalRecord
set @pageCount=(@tmpCounts+@pageSize-1)/@pageSize--数据页总数
/*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 @filter is null or @filter='' --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 '+@primaryKey+' NOT IN('+ @sqlSelect+' TOP '+ CAST(@pageSize*(@page-1) as Varchar(20)) +' '+ @primaryKey +' FROM '+@tblName
+' ORDER BY '+ @sortRule+')'
+' ORDER BY '+@sortRule
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
begin
set @strTmp='create Table #TempTable(PagingId int identity(1,1),maidId int) '
set @strTmp=@strTmp+' insert into #TempTable(maidId) '+ @sqlSelect+' TOP '+ CAST(@lastcount as VARCHAR(4))+' '+ @primaryKey+ ' FROM '+@tblName
+' ORDER BY '+ @sortRuleReverse
set @strTmp=@strTmp+' select '+@fldName+' '+' from '+ @tblName +' ,#TempTable where #TempTable.maidId='+@primaryKey+' and '+@filter+' order by PagingId desc'
set @strTmp=@strTmp+' drop table #TempTable'
end
else
begin
set @strTmp='create Table #TempTable(PagingId int identity(1,1),maidId int) '
set @strTmp=@strTmp+' insert into #TempTable(maidId) '+@sqlSelect+' TOP '+ CAST(@pageSize as VARCHAR(4))+' '+ @primaryKey+' FROM '+@primaryKey
+' WHERE '+@primaryKey+' not in('+ @sqlSelect+' TOP '+ CAST(@pageSize*(@page-2)+@lastcount as Varchar(20)) +' '+ @primaryKey +' from '+@tblName
+' ORDER BY '+ @sortRuleReverse+')'
+' ORDER BY '+ @sortRuleReverse
set @strTmp=@strTmp+' select '+@fldName+' '+' from '+ @tblName +' ,#TempTable where #TempTable.maidId='+@primaryKey+' and '+@filter+' order by PagingId desc'
set @strTmp=@strTmp+' drop table #TempTable'
end
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 '+@primaryKey+' NOT IN('+ @sqlSelect+' top '+ CAST(@pageSize*(@page-1) as Varchar(20)) +' '+ @primaryKey +' FROM '+@tblName
+' Where ' + @filter + ' ORDER BY '+@sortRule+') '
+' AND ' + @filter + ' ORDER BY '+ @sortRule
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
begin
set @strTmp='create Table #TempTable(PagingId int identity(1,1),maidId int) '
set @strTmp=@strTmp+'insert into #TempTable(maidId) '+@sqlSelect+' TOP '+ CAST(@lastcount as VARCHAR(4))+' '+ @primaryKey+' FROM '+@tblName
+' WHERE '+ @filter +' ORDER BY '+ @sortRuleReverse
set @strTmp=@strTmp+' select '+@fldName+' '+' from '+ @tblName +' ,#TempTable where #TempTable.maidId='+@primaryKey+' and '+@filter+' order by PagingId desc'
set @strTmp=@strTmp+' drop table #TempTable'
end
else
begin
set @strTmp='create Table #TempTable(PagingId int identity(1,1),maidId int) '
set @strTmp=@strTmp+'insert into #TempTable(maidId) '+@sqlSelect+' TOP '+ CAST(@pageSize as VARCHAR(4))+' '+ @primaryKey+' FROM '+@tblName
+' WHERE '+@primaryKey+' not in('+ @sqlSelect+' TOP '+ CAST(@pageSize*(@page-2)+@lastcount as Varchar(20)) +' '+ @primaryKey +' FROM '+@tblName
+' WHERE '+ @filter +' ORDER BY '+@sortRuleReverse+') '
+' AND '+ @filter +' ORDER BY '+ @sortRuleReverse
set @strTmp=@strTmp+' select '+@fldName+' '+' from '+ @tblName +' ,#TempTable where #TempTable.maidId='+@primaryKey+' and '+@filter+' order by PagingId desc'
set @strTmp=@strTmp+' drop table #TempTable'
end
end
end
------返回查询结果-----
set @returnSql = @strTmp
exec sp_executesql @strTmp
SET NOCOUNT OFF
GO
Declare @strTmp nvarchar(1000) ----存放取得查询结果总数的查询语句
Declare @strID nvarchar(1000) ----存放取得查询开头或结尾ID的查询语句
放sql语句1000很可能不够,放4000或者max(2005或以上版本才支持)
@primaryKey nvarchar(150), ----主表的主键 必须为自增量 也就是说 此列不存在任何重复值
这里就限制了很多,只能是单字段整型的主键
写得有点太长了,看起来累看看邹建blog上的分页存储过程可能对你有帮助
@TableName varchar(50), --表或视图名
@Fields varchar(5000) = '*', --字段名(全部字段为*)
@OrderFields varchar(5000), --排序字段(必须!支持多字段,建议建索引)
@SqlWhere varchar(5000) = '', --条件语句(如and Name='a')
@PageSize int, --每页多少条记录
@PageIndex int = 1 , --指定当前为第几页
@TotalPages int output --返回总页数
as
begin
declare @sql nvarchar(4000)
declare @TotalRecords int --计算总记录数及总页数
set @sql = 'select @TotalRecords = count(*) from ' + @TableName + ' where 1=1 ' + @sqlWhere
exec sp_executesql @sql,N'@totalRecords int output',@TotalRecords output
select @TotalPages=CEILING((@TotalRecords+0.0)/@PageSize) --处理页数超出范围情况
if @PageIndex<=0
set @PageIndex = 1
if @PageIndex>@TotalPages
set @PageIndex = @TotalPages set @sql = 'select '+ @Fields + ' from (select top(@PageIndex*@PageSize) ' + @Fields + ',row_number() over(order by ' + @OrderFields + ') as rowNumber from ' + @TableName + ' where 1=1 ' + @SqlWhere + ') t where t.rowNumber >= ((@PageIndex-1)*@PageSize+1)'
--print @Sql
exec sp_executesql @sql,N'@PageIndex int, @PageSize int',@PageIndex,@PageSize
end是不是这意思