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SqlServer2000两个通用的分页存储过程

2009-12-25 15:41 369 查看
代码------------------------------------
--用途:分页存储过程(对有主键的表效率极高)
--说明:
------------------------------------

CREATE PROCEDURE [dbo].[UP_GetRecordByPage]
@tblName varchar(255), -- 表名
@fldName varchar(255), -- 主键字段名
@PageSize int = 10, -- 页尺寸
@PageIndex int = 1, -- 页码
@IsReCount 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)
@fldOrder varchar(255)=''
AS

declare @strSQL varchar(6000) -- 主语句
declare @strTmp varchar(100) -- 临时变量(查询条件过长时可能会出错,可修改100为1000)
declare @strOrder varchar(400) -- 排序类型

declare @strSQL2 varchar(2000) --用于执行带返回总记录数的语句
----------------------------20090903 update by cjp begin-----------------------------------------
if @fldOrder!=''
begin
set @fldName=@fldOrder
end
-----------------------------20090903 update by cjp end-------------------------------------------
if @OrderType != 0
begin
set @strTmp = '<(select min'
set @strOrder = ' order by [' + @fldName +'] desc'
if @fldOrder!=''
begin
set @strOrder = ' order by [' + @fldOrder +'] desc'
end
end
else
begin
set @strTmp = '>(select max'
set @strOrder = ' order by [' + @fldName +'] asc'
if @fldOrder!=''
begin
set @strOrder = ' order by [' + @fldOrder +'] asc'
end
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 @IsReCount != 0
begin
set @strSQL2 = 'select count(*) as Total from [' + @tblName + ']'+' where ' + @strWhere
set @strSQL=@strSQL+' ; '+@strSQL2;
end
print @strSQL
exec (@strSQL)
GO
------------------------------------
--用途:支持任意排序的分页存储过程
--说明:
------------------------------------

CREATE PROCEDURE [dbo].[UP_GetRecordByPageOrder]

@tblName varchar(255), -- 表名
@fldName varchar(255), -- 显示字段名
@OrderfldName varchar(255), -- 排序字段名
@StatfldName varchar(255), -- 统计字段名
@PageSize int = 10, -- 页尺寸
@PageIndex int = 1, -- 页码
@IsReCount 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(6000) -- 主语句
declare @strTmp varchar(100) -- 临时变量(查询条件过长时可能会出错,可修改100为1000)
declare @strOrder varchar(400) -- 排序类型

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

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

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

if @IsReCount != 0
set @strSQL = @strSQL+' select count(1) as Total from [' + @tblName + ']'

if @strWhere!=''
set @strSQL = @strSQL+' where ' + @strWhere
exec (@strSQL)
GO
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