没有输出记录总数的:
CREATE PROCEDURE usp_PagingLarge
@TableNames VARCHAR(200), --表名,可以是多个表,但不能用别名
@PrimaryKey VARCHAR(100), --主键,可以为空,但@Order为空时该值不能为空
@Fields VARCHAR(200), --要取出的字段,可以是多个表的字段,可以为空,为空表示select *
@PageSize INT, --每页记录数
@CurrentPage INT, --当前页,0表示第1页
@Filter VARCHAR(200) = '', --条件,可以为空,不用填 where
@Group VARCHAR(200) = '', --分组依据,可以为空,不用填 group by
@Order VARCHAR(200) = '' --排序,可以为空,为空默认按主键升序排列,不用填 order by
AS
BEGIN
DECLARE @SortColumn VARCHAR(200)
DECLARE @Operator CHAR(2)
DECLARE @SortTable VARCHAR(200)
DECLARE @SortName VARCHAR(200)
IF @Fields = ''
SET @Fields = '*'
IF @Filter = ''
SET @Filter = 'WHERE 1=1'
ELSE
SET @Filter = 'WHERE ' + @Filter
IF @Group <>''
SET @Group = 'GROUP BY ' + @Group
IF @Order <> ''
BEGIN
DECLARE @pos1 INT, @pos2 INT
SET @Order = REPLACE(REPLACE(@Order, ' asc', ' ASC'), ' desc', ' DESC')
IF CHARINDEX(' DESC', @Order) > 0
IF CHARINDEX(' ASC', @Order) > 0
BEGIN
IF CHARINDEX(' DESC', @Order) < CHARINDEX(' ASC', @Order)
SET @Operator = '<='
ELSE
SET @Operator = '>='
END
ELSE
SET @Operator = '<='
ELSE
SET @Operator = '>='
SET @SortColumn = REPLACE(REPLACE(REPLACE(@Order, ' ASC', ''), ' DESC', ''), ' ', '')
SET @pos1 = CHARINDEX(',', @SortColumn)
IF @pos1 > 0
SET @SortColumn = SUBSTRING(@SortColumn, 1, @pos1-1)
SET @pos2 = CHARINDEX('.', @SortColumn)
IF @pos2 > 0
BEGIN
SET @SortTable = SUBSTRING(@SortColumn, 1, @pos2-1)
IF @pos1 > 0
SET @SortName = SUBSTRING(@SortColumn, @pos2+1, @pos1-@pos2-1)
ELSE
SET @SortName = SUBSTRING(@SortColumn, @pos2+1, LEN(@SortColumn)-@pos2)
END
ELSE
BEGIN
SET @SortTable = @TableNames
SET @SortName = @SortColumn
END
END
ELSE
BEGIN
SET @SortColumn = @PrimaryKey
SET @SortTable = @TableNames
SET @SortName = @SortColumn
SET @Order = @SortColumn
SET @Operator = '>='
END
DECLARE @type varchar(50)
DECLARE @prec int
SELECT @type=t.name, @prec=c.prec
FROM sysobjects o
JOIN syscolumns c on o.id=c.id
JOIN systypes t on c.xusertype=t.xusertype
WHERE o.name = @SortTable AND c.name = @SortName
IF CHARINDEX('char', @type) > 0
SET @type = @type + '(' + CAST(@prec AS varchar) + ')'
DECLARE @TopRows INT
SET @TopRows = @PageSize * @CurrentPage + 1
print @TopRows
print @Operator
EXEC('
DECLARE @SortColumnBegin ' + @type + '
SET ROWCOUNT ' + @TopRows + '
SELECT @SortColumnBegin=' + @SortColumn + ' FROM ' + @TableNames + ' ' + @Filter + ' ' + @Group + ' ORDER BY ' + @Order + '
SET ROWCOUNT ' + @PageSize + '
SELECT ' + @Fields + ' FROM ' + @TableNames + ' ' + @Filter + ' AND' + @SortColumn + '' + @Operator + '@SortColumnBegin ' + @Group + 'ORDER BY ' + @Order + '
')
END
GO
--调用例子:
--1.单表/单排序
EXEC usp_PagingLarge 'bigtable','d_id','d_id,d_title,d_content,d_time',20,1,'','','d_id desc'
--2.单表/多排序
EXEC usp_PagingLarge 'bigtable','d_id','*',20,0,'','','d_time asc,d_id desc'
--3.多表/单排序
EXEC usp_PagingLarge 'bigtable left join bigtable_author onbigtable.d_id=bigtable_author.BigTable_id', 'bigtable.d_id','bigtable.d_id,bigtable.d_title,bigtable.d_content,bigtable.d_time,bigtable_author.d_author',20, 0, '', '', 'bigtable.d_id asc'
--4.多表/多排序
EXEC usp_PagingLarge 'bigtable left join bigtable_author onbigtable.d_id=bigtable_author.BigTable_id', 'bigtable.d_id','bigtable.d_id,bigtable.d_title,bigtable.d_content,bigtable.d_time,bigtable_author.d_author',20, 0, '', '', 'bigtable.d_time asc,bigtable.d_id desc'
带输出总数的:
Create PROCEDURE [dbo].[proc_ListPage]
(
@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 = 1, ----每页显示的记录个数
@page int = 10, ----要显示那一页的记录
@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
@fldSort nvarchar(200) = null, ----排序字段列表或条件
@Sort bit =1, ----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(1000) = null, ----查询条件,不需where
@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
)
AS
SET NOCOUNT ON
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 @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-----
exec sp_executesql @strTmp
--print @strTmp
SET NOCOUNT OFF 调用方法举例: use northwind
Declare @Count int
EXEC proc_ListPage 'orders left join [Order Details] on[orders].orderID=[Order Details].OrderID','*',20,2,1,@Countoutput,'[orders].orderID',1,'','[orders].orderID',1
select @Count output