Code
Create PROCEDURE [dbo].[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
@RecNums INT output, --记录个数
@PageNums INT output, -- 页数
@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
/*
调用示例:
declare @intRecNums int,@intPageNums int
EXEC usp_PagingLarge
'TOrders left join TOrder_details on TOrders.order_id = TOrder_details.order_id',
'TOrders.order_id',
'*',
5,
0,
@intRecNums output,
@intPageNums output,
'TOrders.supplier_id = 30',
'',
'TOrders.order_id asc'
print '记录个数 = ' + convert(char,@intRecNums) + ' ' + '页数 = ' + convert(char,@intPageNums)
*/
SET NOCOUNT ON
BEGIN
DECLARE @SortColumn VARCHAR(200)
DECLARE @Operator CHAR(2)
DECLARE @SortTable VARCHAR(200)
DECLARE @SortName VARCHAR(200)
declare @sql nvarchar(4000)
declare @sqlTemp nvarchar(4000)
IF @Fields = ''
SET @Fields = '*'
IF @Filter = ''
SET @Filter = 'Where 1=1'
ELSE
SET @Filter = 'Where 1=1' + @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
-- 统计记录个数
set @sqlTemp = 'Select @counts=count(*) FROM ' + @TableNames + ' ' + @Filter
----取得查询结果总数量-----
exec sp_executesql @sqlTemp,N'@counts int out',@RecNums out
--取得分页总数
if @RecNums <= @pageSize
set @PageNums = 1
else
set @PageNums = (@RecNums / @pageSize) + 1
select @sql = 'DECLARE @SortColumnBegin ' + @type + '
SET ROWCOUNT ' + convert(char,@TopRows) + '
Select @SortColumnBegin=' + @SortColumn + ' FROM ' + @TableNames + ' ' + @Filter + ' ' + @Group + ' orDER BY ' + @Order + '
SET ROWCOUNT ' + convert(char,@PageSize) + '
Select ' + @Fields + ' FROM ' + @TableNames + ' ' + @Filter + ' AND ' + @SortColumn + ' ' + @Operator + '@SortColumnBegin ' + @Group + ' orDER BY ' + @Order
--print @sql
------返回查询结果-----
exec sp_executesql @sql
END
Create PROCEDURE [dbo].[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
@RecNums INT output, --记录个数
@PageNums INT output, -- 页数
@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
/*
调用示例:
declare @intRecNums int,@intPageNums int
EXEC usp_PagingLarge
'TOrders left join TOrder_details on TOrders.order_id = TOrder_details.order_id',
'TOrders.order_id',
'*',
5,
0,
@intRecNums output,
@intPageNums output,
'TOrders.supplier_id = 30',
'',
'TOrders.order_id asc'
print '记录个数 = ' + convert(char,@intRecNums) + ' ' + '页数 = ' + convert(char,@intPageNums)
*/
SET NOCOUNT ON
BEGIN
DECLARE @SortColumn VARCHAR(200)
DECLARE @Operator CHAR(2)
DECLARE @SortTable VARCHAR(200)
DECLARE @SortName VARCHAR(200)
declare @sql nvarchar(4000)
declare @sqlTemp nvarchar(4000)
IF @Fields = ''
SET @Fields = '*'
IF @Filter = ''
SET @Filter = 'Where 1=1'
ELSE
SET @Filter = 'Where 1=1' + @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
-- 统计记录个数
set @sqlTemp = 'Select @counts=count(*) FROM ' + @TableNames + ' ' + @Filter
----取得查询结果总数量-----
exec sp_executesql @sqlTemp,N'@counts int out',@RecNums out
--取得分页总数
if @RecNums <= @pageSize
set @PageNums = 1
else
set @PageNums = (@RecNums / @pageSize) + 1
select @sql = 'DECLARE @SortColumnBegin ' + @type + '
SET ROWCOUNT ' + convert(char,@TopRows) + '
Select @SortColumnBegin=' + @SortColumn + ' FROM ' + @TableNames + ' ' + @Filter + ' ' + @Group + ' orDER BY ' + @Order + '
SET ROWCOUNT ' + convert(char,@PageSize) + '
Select ' + @Fields + ' FROM ' + @TableNames + ' ' + @Filter + ' AND ' + @SortColumn + ' ' + @Operator + '@SortColumnBegin ' + @Group + ' orDER BY ' + @Order
--print @sql
------返回查询结果-----
exec sp_executesql @sql
END