IF EXISTS (SELECT * FROM dbo.sysobjects WHERE id = object_id(N'[dbo].[proc_DataPagingList]') AND OBJECTPROPERTY(id, N'IsProcedure') = 1)
DROP PROCEDURE [dbo].[proc_DataPagingList]
GO
CREATE PROCEDURE [dbo].[proc_DataPagingList]
(
@tableName NVARCHAR(200), ----要显示的表或多个表的连接
@fieldNames NVARCHAR(200)='*', ----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
@pageCount INT = 1 output, ----查询结果分页后的总页数
@counts INT = 1 output, ----查询到的总记录数
@fieldSort 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--程序传参如：' SortA Asc,SortB Desc,SortC ')
@condition NVARCHAR(200)= NULL,----查询条件,不需WHERE
@keyID NVARCHAR(100), ----主表的主键
@DISTINCT 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 @SELECT NVARCHAR(1000) ----存放动态生成的SQL语句
DECLARE @strCounts 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 @distSelect NVARCHAR(50) ----对含有DISTINCT的查询进行SQL构造
DECLARE @distCounts NVARCHAR(50) ----对含有DISTINCT的总数查询进行SQL构造
DECLARE @SortfieldA NVARCHAR(50) ----对含有是否还有排序字段时的排序方式组合A
DECLARE @SortfieldB NVARCHAR(50) ----对含有是否还有排序字段时的排序方式组合B
IF @DISTINCT = 0
BEGIN
SET @distSelect = 'SELECT '
SET @distCounts = ' COUNT(*)'
END
ELSE
BEGIN
SET @distSelect = 'SELECT distinct '
SET @distCounts = ' COUNT(DISTINCT '+@keyID+')'
END
IF @sort=0
BEGIN
SET @SortTypeB=' ASC '
SET @sortTypeA=' DESC '
END
ELSE
BEGIN
SET @SortTypeB=' DESC '
SET @sortTypeA=' ASC '
END
IF @fieldSort IS NOT NULL AND @fieldSort<>'' --排序字段不为空时
BEGIN
SET @SortfieldB=' order by '+ @fieldSort +' '+ @SortTypeB
SET @SortfieldA=' order by '+ @fieldSort +' '+ @SortTypeA
END
ELSE
BEGIN
SET @SortfieldB=''
SET @SortfieldA=''
END
--------生成查询语句--------
--此处@strCounts为取得查询结果数量的语句
IF @condition IS NULL OR @condition='' --没有设置显示条件
BEGIN
SET @SELECT = @fieldNames + ' FROM ' + @tableName
SET @strCounts = @distSelect+' @counts='+@distCounts+' FROM '+@tableName
SET @strID = ' FROM ' + @tableName
END
ELSE
BEGIN
SET @SELECT = + @fieldNames + 'FROM ' + @tableName + ' WHERE ' + @condition
SET @strCounts = @distSelect+' @counts='+@distCounts+' FROM '+@tableName + ' WHERE ' + @condition
SET @strID = ' FROM ' + @tableName + ' WHERE ' + @condition
END
----取得查询结果总数量-----
EXEC sp_executesql @strCounts,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 @condition IS NULL OR @condition='' --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 @strCounts=@distSelect+' TOP '+ CAST(@pageSize AS VARCHAR(4))+' '+ @fieldNames+' FROM '+@tableName + ' WHERE '+@keyID+' not in('+ @distSelect+' TOP '+ CAST(@pageSize*(@page-1) AS VARCHAR(20)) +' '+ @keyID +' FROM '+@tableName + @SortfieldB +')' + @SortfieldB
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 @strCounts=@distSelect+' * FROM ('+@distSelect+' TOP '+ CAST(@lastcount AS VARCHAR(4))+' '+ @fieldNames+' FROM '+@tableName + @SortfieldA+') AS TempTB '+@SortfieldB
ELSE
SET @strCounts=@distSelect+' * FROM ('+@distSelect+' TOP '+ CAST(@pageSize AS VARCHAR(4))+' '+ @fieldNames+' FROM '+@tableName + ' WHERE '+@keyID+' not in('+ @distSelect+' TOP '+ CAST(@pageSize*(@page-2)+@lastcount AS VARCHAR(20)) +' '+ @keyID +' FROM '+@tableName + @SortfieldA+')' + @SortfieldA+') AS TempTB '+@SortfieldB
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 @strCounts=@distSelect+' TOP '+ CAST(@pageSize AS VARCHAR(4))+' '+ @fieldNames +' FROM '+@tableName + ' WHERE '+@keyID+' not in('+ @distSelect+' TOP '+ CAST(@pageSize*(@page-1) AS VARCHAR(20)) +' '+ @keyID +' FROM '+@tableName + ' Where ' + @condition + @SortfieldB+')'+' AND ' + @condition + @SortfieldB
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 @strCounts=@distSelect+' * FROM ('+@distSelect+' TOP '+ CAST(@lastcount AS VARCHAR(4))+' '+ @fieldNames+' FROM '+@tableName + ' WHERE '+ @condition +@SortfieldA+') AS TempTB '+@SortfieldB
ELSE
SET @strCounts=@distSelect+' * FROM ('+@distSelect+' TOP '+ CAST(@pageSize AS VARCHAR(4))+' '+ @fieldNames+' FROM '+@tableName + ' WHERE '+@keyID+' not in('+ @distSelect+' TOP '+ CAST(@pageSize*(@page-2)+@lastcount AS VARCHAR(20)) +' ' + @keyID +' FROM '+@tableName +' WHERE '+ @condition +@SortfieldA+')' +' AND '+ @condition +@SortfieldA+') AS TempTB ' + @SortfieldB
END
END
------返回查询结果-----
EXEC sp_executesql @strCounts
SET NOCOUNT OFF
//SQL/1226