存储过程分页代码

CREATE PROCEDURE GetRecordFromPage
@tblName       varchar(255),        -- 表名
@fldName       varchar(255),        -- 字段名
@PageSize      int = 10,            -- 页尺寸
@PageIndex     int = 1,             -- 页码
@IsCount       bit = 0,             -- 返回记录总数, 非 0 值则返回
@OrderType     bit = 0,             -- 设置排序类型, 非 0 值则降序
@strWhere      varchar(1000) = ''   -- 查询条件 (注意: 不要加 where)
AS

declare @strSQL    varchar(1000)      -- 主语句
declare @strTmp    varchar(300)       -- 临时变量
declare @strOrder varchar(400)       -- 排序类型

if @OrderType != 0
begin
set @strTmp = "<(select min"
set @strOrder = " order by [" + @fldName +"] desc"
end
else
begin
set @strTmp = ">(select max"
set @strOrder = " order by [" + @fldName +"] asc"
end

set @strSQL = "select top " + str(@PageSize) + " * from ["
+ @tblName + "] where [" + @fldName + "]" + @strTmp + "(["
+ @fldName + "]) from (select top " + str((@PageIndex-1)*@PageSize) + " ["
+ @fldName + "] from [" + @tblName + "]" + @strOrder + ") as tblTmp)"
+ @strOrder

if @strWhere != ''
set @strSQL = "select top " + str(@PageSize) + " * from ["
+ @tblName + "] where [" + @fldName + "]" + @strTmp + "(["
+ @fldName + "]) from (select top " + str((@PageIndex-1)*@PageSize) + " ["
+ @fldName + "] from [" + @tblName + "] where (" + @strWhere + ") "
+ @strOrder + ") as tblTmp) and (" + @strWhere + ") " + @strOrder

if @PageIndex = 1
begin
set @strTmp = ""
if @strWhere != ''
set @strTmp = " where (" + @strWhere + ")"

set @strSQL = "select top " + str(@PageSize) + " * from ["
+ @tblName + "]" + @strTmp + " " + @strOrder
end

if @IsCount != 0
set @strSQL = "select count(*) as Total from [" + @tblName + "]"

exec (@strSQL)
GO

/*分页存储过程
Descript:分页存储过程
Author:Blue.Dream
Date:2004-8-18 21:01
*/
Create   PROCEDURE ListPage(
@tblName  nvarchar(200),            ----要显示的表或多个表的连接
@fldName  nvarchar(200) = '*',           ----要显示的字段列表
@pageSize int = 10,                     ----每页显示的记录个数
@page  int = 1,            ----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(100) = null,           ----排序字段列表或条件
@Sort  bit = 0,            ----排序方法，0为升序，1为降序
@strCondition nvarchar(200) = null, ----查询条件,不需where
@ID  nvarchar(50)  ----主表的主键
)
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 @sqlSort nvarchar(200)  ----存放临时生成的排序条件
Declare @intCounts int   ----要移动的记录数
Declare @BeginID int   ----开始的ID
Declare @EndID    int   ----结束的ID

--------首先生成排序方法---------
if @Sort=0  --升序
begin
if not(@fldSort is null)
set @sqlSort = ' Order by ' + @fldSort
else
set @sqlSort = ' Order by ' + @ID
end
else   --降序
begin
if not(@fldSort is null)
set @sqlSort = ' Order by ' + @fldSort + ' DESC'
else
set @sqlSort = ' Order by ' + @ID + ' 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 --没有设置显示条件
begin
set @sqlTmp =   @fldName + ' From ' + @tblName
set @strTmp = 'select @Counts=Count(' + @ID + ') FROM '+@tblName
set @strID = ' From ' + @tblName
end
else
begin
set @sqlTmp = + @fldName + 'From ' + @tblName + ' where ' + @strCondition
set @strTmp = 'select @Counts=Count(' + @ID + ') FROM '+@tblName + ' where ' + @strCondition
set @strID = ' From ' + @tblName + ' where ' + @strCondition
end

----取得查询结果总数量-----
exec sp_executesql @strTmp,N'@Counts int out ',@Counts out

--取得分页总数
if @Counts <= @pageSize
set @pageCount = 1
else
set @pageCount = (@Counts / @pageSize) + 1

--计算要移动的记录数
if @page = 1
set @intCounts = @pageSize
else
begin
set @intCounts = (@page-1) * @pageSize + 1
end

-----取得分页后此页的第一条记录的ID
set @strID = 'select @BeginID=' + @ID + ' ' + @strID

set @intCounts = @intCounts - @pageSize + 1
set rowcount   @intCounts
exec sp_executesql @strID,N'@BeginID int out ',@BeginID out

-----取得分页后此页的最后一条记录的ID
set @intCounts = @intCounts + @pageSize - 1
print @intCounts
set rowcount   @intCounts
exec sp_executesql @strID,N'@BeginID int out ',@EndID out

------恢复系统设置-----
set rowcount   0
SET NOCOUNT OFF

------返回查询结果-----
if @strCondition is null
set @strTmp = 'select ' + @sqlTmp + ' where ' + @ID + ' between ' + str(@BeginID) + ' and ' + str(@EndID)
else
set @strTmp = 'select ' + @sqlTmp + ' where ' + @ID +' (between ' + str(@BeginID) + ' and ' + str(@EndID) + ')   and ' + @strCondition

if not(@sqlSort is null)
set @strTmp = @strTmp + @sqlSort
exec sp_executesql @strTmp

GO