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博客园 - xumingming

C# 长浏览 SQL Server 的位运算 sql 的随机函数newID()和RAND() Linq To Xml (增,删,改,查) - xumingming sp_executesql的用法 linq 存储过程返回多个结果集 Sql语句访问WEB 一些常用的类 MVC Controller与ActionResult的返回值 - xumingming - 博客园 IEnumerable_T_、IEnumerable、ICollection_T_、IList_T_、ObservableCollectin_T_和Collection_T_得关系 routes.MapRoute - xumingming - 博客园 JQuery与Ajax常用代码 MVC 小笔记 - xumingming - 博客园 GridView 的临时增删改查示例 GridView 72般绝技 C#代码中的事务 - xumingming - 博客园 VS2005中将GridView 中的数据导出至excel - xumingming 触发器 删除数据库表中的信息(适用于被注入)
Sql Server 存储过程分页
xumingming · 2010-03-16 · via 博客园 - xumingming

代码

CREATE PROCEDURE [dbo].[proc_ListPage]
(
@tblName varchar(max), ----要显示的表或多个表的连接
@fldName nvarchar(2000)= '*' , ----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 = 0, ----排序方法,1为升序,0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(max) ----存放动态生成的SQL语句
Declare @strTmp nvarchar(max) ----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(500) ----数据排序规则A
Declare @strFSortType nvarchar(500) ----数据排序规则B

Declare @SqlSelect nvarchar(500) ----对含有DISTINCT的查询进行SQL构造
Declare @SqlCounts nvarchar(500) ----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+')'
endif @Sort=0
begin
set @strFSortType=' DESC '
set @strSortType=' ASC '
end
else
begin
set @strFSortType=' ASC '
set @strSortType=' DESC '
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
endelse --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 @strTmpprint @strTmpGO

代码

-- 调用上面的存储过程

--参数
@PageNo int=1,--当前页
@PageSize int=10,--每页多少条数据
@PageCount int = 1 OUTPUT,--总页数
@RowCount int=0 OUTPUT, --总条数

--过程中定义
DECLARE @Sql NVARCHAR(2000),@Where NVARCHAR(1000)-过程中执行
SET @Sql = '(' + @Sql + @Where + ') AS Temp'
-- 打印SQL
PRINT @Sql
-- 执行分页存储过程
EXEC [proc_ListPage] @Sql,'*',@PageSize,@PageNo,@PageCount OUTPUT,@RowCount OUTPUT,'id',0,null,'id',0