这个存储过程返回总数受@PageSize页码限制,如何不受它限制;
比如pagesize=1,那么@RowCount也是1.
USE [bjjnkj]
GO
/****** Object: StoredProcedure [dbo].[UP_GetRecordByPage] Script Date: 08/02/2013 00:44:03 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
ALTER 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)
@RowCount int=0 output -- 返回记录数
AS
begin
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)
set @RowCount=@@ROWCOUNT
end
GO
------解决思路----------------------
呵呵,这个没有办法。
#1.要想得到TotalCount,必须select count(*) from tablename where 条件
#2.然后再select fieldlist from tablename where 条件 and rownumber between 1 and 10
其实楼主可以不必担心效率:因为#1运行时,需要加载相应的数据到内存,#2执行时也需要这一动作(由于分页一般都是先排序,再取其中的某一段数据),#2就可以直接用#1中加载的数据。只要总数据量不是太大,性能还是有保证的。