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--用途:分页存储过程(对有主键的表效率极高)
--说明:
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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)
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 [' + @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 @IsReCount != 0
set @strSQL = 'select count(*) as Total from [' + @tblName + ']'+' where ' + @strWhere
exec (@strSQL)
ALTER PROCEDURE proc
@pageSize int,
@pageIndex int,
@orderField varchar(20) ='PublishDate',
AS
declare @begin int ,@end int
set @begin=@pageSize*(@pageIndex-1)+1
set @end=@pageSize*@pageIndex
exec('select * from (select row_number() over (order by '+@orderField +')
as row_id,* from 视图) as temp
where row_id between '+ @begin+' and '+@end+'')
RETURN
Create PROCEDURE [dbo].[sp_desc_GetDataSet]
@PageSize int,
@strWhat varchar(50),
@PageCount int,
@strWhere varchar(500),
@sptable varchar(50)
AS
declare @sql varchar(5000)
declare @sqll varchar(5000)
set @sql=' select Top '+cast(@PageSize AS varchar)+' * from '+@sptable+' where ('+@strWhat+' < (select min('+@strWhat+') from (select top '+cast(@PageCount AS varchar)+' '+ @strWhat+' from '+@sptable+' where '+@strWhere+' order by '+@strWhat+' desc) as T )) and '+@strWhere+' order by '+@strWhat+' desc'
set @sqll = ' select Top '+cast(@PageSize AS varchar)+' * from '+@sptable+' where '+@strWhere+' order by '+@strWhat+' desc'
if ((cast(@PageCount AS varchar)) != 0)
exec(@sql)
else
exec(@sqll)