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---下面是用临时表实现分页 modify by wxc 修改了原来可能存在的同步问题
CREATE PROCEDURE spSelectListDynamicPaged2
(
@SelectStatement nvarchar(4000),
@FromStatement nvarchar(2000),
@WhereStatement nvarchar(4000),
@OrderByExpression nvarchar(500),
--add @AscOrDesc
@AscOrDesc nvarchar(10),
@RecordCount int,
@PageSize int,
@PageIndex int,
@DoCount bit
)
AS
SET NOCOUNT ON
IF(@DoCount=1)
--if do count, return the count simply
EXEC( 'SELECT count(*) FROM '+@FromStatement+ ' WHERE 1=1 '+@WhereStatement)
ELSE
BEGIN
declare @nCount as int
declare @nTotalPage As int
declare @sSelectCopy As nvarchar(2000)
declare @TempTable As nvarchar(100)
if isnull(@WhereStatement, ' ') = ' '
begin
set @WhereStatement = '1=1 '
end
else
begin
set @WhereStatement = right(ltrim(@WhereStatement),len(ltrim(@WhereStatement))-3)
end
if isnull(@OrderByExpression, ' ') = ' '
begin
set @OrderByExpression = '1 '
end
set @SelectStatement = 'select top 100000000 ' + @SelectStatement
--新改的
declare @sql nvarchar(4000)
set @sql=N 'select a.* , identity(int,1,1) as NumberIndex into #tempTablePage1 from ( ' + @SelectStatement + ' from ' + @FromStatement + ' where ' + @WhereStatement + ' order by ' + @OrderByExpression + ' ' + @AscOrDesc + ') as a '
+N ' set @nCount = (select max(NumberIndex) from #tempTablePage1) '
+N ' if @nCount % @PageSize > 0 '
+N ' set @nTotalPage = @nCount / @PageSize + 1 '
+N ' else '
+N ' set @nTotalPage = @nCount / @PageSize '
+N ' if @PageIndex <= 0 '
+N ' set @PageIndex = 1 '
+N ' else if @PageIndex > @nTotalPage '
+N ' set @PageIndex = @nTotalPage '
+N ' if @PageIndex < @nTotalPage '
+N ' select * from #tempTablePage1 where NumberIndex between (@PageIndex - 1)*@PageSize + 1 and @PageIndex*@PageSize '
+N ' else if @PageIndex = @nTotalPage '
+N ' select * from #tempTablePage1 where NumberIndex between (@PageIndex-1)*@PageSize + 1 and @nCount '
EXEC SP_EXECUTESQL @sql,N '@nCount int
,@PageSize int
,@nTotalPage int
,@PageIndex int ',
@nCount
,@PageSize
,@nTotalPage
,@PageIndex
end
GO