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  • 自己收集比较强大的分页存储过程

    这两天帮朋友修改一个项目,看到一个存储过程,感觉性能非常高。于是,整合自己以前搜集的比较好的存储过程,拿来跟大家分享下。(下面的代码原来我想用折叠的代码的,但是在google里面老是添加不了折叠的代码,所以就整屏的贴出来了,望大家不要见外。)

    朋友的比较好的存储过程。优点是:性能非常的高,每次查询都是根据ID查询,每次都是对一半的数据进行分页。缺点是:当有多个排序条件时,分页数据显示会出现问题。(该问题在第二个网友的分页存储过程中有解决的方法)。

    set ANSI_NULLS ON
    set QUOTED_IDENTIFIER ON
    go
    ALTER PROCEDURE [dbo].[proc_page]
    (
    @tblName     nvarchar(200),        ----要显示的表或多个表的连接lihu
    @fldName     nvarchar(500) = '*',    ----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
    @fldSort    nvarchar(200) = 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(如果是多字段排列Sort指代最后一个排序字段的排列顺序(最后一个排序字段不加排序标记)--程序传参如:' SortA Asc,SortB Desc,SortC ')
    @strCondition    nvarchar(1000),    ----查询条件,不需where
    @ID        nvarchar(150),        ----主表的主键
    @Dist                 bit = 0,           ----是否添加查询字段的 DISTINCT 默认0不添加/1添加
    @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
    )
    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 @strSortType nvarchar(10)    ----数据排序规则A
    Declare @strFSortType nvarchar(10)    ----数据排序规则B
    
    Declare @SqlSelect nvarchar(50)         ----对含有DISTINCT的查询进行SQL构造
    Declare @SqlCounts nvarchar(50)          ----对含有DISTINCT的总数查询进行SQL构造
    
    declare @timediff datetime  --耗时测试时间差
    select @timediff=getdate()
    
    if @Dist  = 0
    begin
        set @SqlSelect = 'select '
        set @SqlCounts = 'Count(*)'
    end
    else
    begin
        set @SqlSelect = 'select distinct '
        set @SqlCounts = 'Count(DISTINCT '+@ID+')'
    end
    
    if @Sort=0
    begin
        set @strFSortType=' ASC '
        set @strSortType=' DESC '
    end
    else
    begin
        set @strFSortType=' DESC '
        set @strSortType=' ASC '
    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 or @strCondition=''     --没有设置显示条件
    begin
        set @sqlTmp =  @fldName + ' From ' + @tblName
        set @strTmp = @SqlSelect+' @Counts='+@SqlCounts+' FROM '+@tblName
        set @strID = ' From ' + @tblName
    end
    else
    begin
        set @sqlTmp = + @fldName + 'From ' + @tblName + ' where (1>0) ' + @strCondition
        set @strTmp = @SqlSelect+' @Counts='+@SqlCounts+' FROM '+@tblName + ' where (1>0) ' + @strCondition
        set @strID = ' From ' + @tblName + ' where (1>0) ' + @strCondition
    end
    
    ----取得查询结果总数量-----
    exec sp_executesql @strTmp,N'@Counts int out ',@Counts out
    declare @tmpCounts int
    if @Counts = 0
        set @tmpCounts = 1
    else
        set @tmpCounts = @Counts
        --取得分页总数
        set @pageCount=(@tmpCounts+@pageSize-1)/@pageSize
        /**当前页大于总页数 取最后一页**/
        if 2>@pageCount
            set 2=@pageCount
        --/*-----数据分页2分处理-------*/
        declare @pageIndex int --总数/页大小
        declare @lastcount int --总数%页大小 
        set @pageIndex = @tmpCounts/@pageSize
        set @lastcount = @tmpCounts%@pageSize
        if @lastcount > 0
            set @pageIndex = @pageIndex + 1
        else
            set @lastcount = @pagesize
        --//***显示分页
        if @strCondition is null or @strCondition=''     --没有设置显示条件
        begin
            if @pageIndex<2 or 2<=@pageIndex / 2 + @pageIndex % 2   --前半部分数据处理
                begin 
                    if 2=1
                        set @strTmp=@SqlSelect+' top '+ CAST(@pageSize as VARCHAR(4))+' '+ @fldName+' from '+@tblName                        
                            +' order by '+ @fldSort +' '+ @strFSortType
                    else
                    begin
                        if @Sort=1
                        begin                    
                        set @strTmp=@SqlSelect+' top '+ CAST(@pageSize as VARCHAR(4))+' '+ @fldName+' from '+@tblName
                            +' where '+@ID+' <(select min('+ @ID +') from ('+ @SqlSelect+' top '+ CAST(@pageSize*(2-1) as Varchar(20)) +' '+ @ID +' from '+@tblName
                            +' order by '+ @fldSort +' '+ @strFSortType+') AS TBMinID)'
                            +' order by '+ @fldSort +' '+ @strFSortType
                        end
                        else
                        begin
                        set @strTmp=@SqlSelect+' top '+ CAST(@pageSize as VARCHAR(4))+' '+ @fldName+' from '+@tblName
                            +' where '+@ID+' >(select max('+ @ID +') from ('+ @SqlSelect+' top '+ CAST(@pageSize*(2-1) as Varchar(20)) +' '+ @ID +' from '+@tblName
                            +' order by '+ @fldSort +' '+ @strFSortType+') AS TBMinID)'
                            +' order by '+ @fldSort +' '+ @strFSortType 
                        end
                    end    
                end
            else
                begin
                set 2= @pageIndex-2+1 --后半部分数据处理
                    if 2<= 1 --最后一页数据显示                
                        set @strTmp=@SqlSelect+' * from ('+@SqlSelect+' top '+ CAST(@lastcount as VARCHAR(4))+' '+ @fldName+' from '+@tblName
                            +' order by '+ @fldSort +' '+ @strSortType+') AS TempTB'+' order by '+ @fldSort +' '+ @strFSortType 
                    else
                        if @Sort=1
                        begin
                        set @strTmp=@SqlSelect+' * from ('+@SqlSelect+' top '+ CAST(@pageSize as VARCHAR(4))+' '+ @fldName+' from '+@tblName
                            +' where '+@ID+' >(select max('+ @ID +') from('+ @SqlSelect+' top '+ CAST(@pageSize*(2-2)+@lastcount as Varchar(20)) +' '+ @ID +' from '+@tblName
                            +' order by '+ @fldSort +' '+ @strSortType+') AS TBMaxID)'
                            +' order by '+ @fldSort +' '+ @strSortType+') AS TempTB'+' order by '+ @fldSort +' '+ @strFSortType
                        end
                        else
                        begin
                        set @strTmp=@SqlSelect+' * from ('+@SqlSelect+' top '+ CAST(@pageSize as VARCHAR(4))+' '+ @fldName+' from '+@tblName
                            +' where '+@ID+' <(select min('+ @ID +') from('+ @SqlSelect+' top '+ CAST(@pageSize*(2-2)+@lastcount as Varchar(20)) +' '+ @ID +' from '+@tblName
                            +' order by '+ @fldSort +' '+ @strSortType+') AS TBMaxID)'
                            +' order by '+ @fldSort +' '+ @strSortType+') AS TempTB'+' order by '+ @fldSort +' '+ @strFSortType 
                        end
                end
        end
        else --有查询条件
        begin
            if @pageIndex<2 or @page<=@pageIndex / 2 + @pageIndex % 2   --前半部分数据处理
            begin
                    if @page=1
                        set @strTmp=@SqlSelect+' top '+ CAST(@pageSize as VARCHAR(4))+' '+ @fldName+' from '+@tblName                        
                            +' where 1=1 ' + @strCondition + ' order by '+ @fldSort +' '+ @strFSortType
                    else if(@Sort=1)
                    begin                    
                        set @strTmp=@SqlSelect+' top '+ CAST(@pageSize as VARCHAR(4))+' '+ @fldName+' from '+@tblName
                            +' where '+@ID+' <(select min('+ @ID +') from ('+ @SqlSelect+' top '+ CAST(@pageSize*(@page-1) as Varchar(20)) +' '+ @ID +' from '+@tblName
                            +' where (1=1) ' + @strCondition +' order by '+ @fldSort +' '+ @strFSortType+') AS TBMinID)'
                            +' '+ @strCondition +' order by '+ @fldSort +' '+ @strFSortType
                    end
                    else
                    begin
                        set @strTmp=@SqlSelect+' top '+ CAST(@pageSize as VARCHAR(4))+' '+ @fldName+' from '+@tblName
                            +' where '+@ID+' >(select max('+ @ID +') from ('+ @SqlSelect+' top '+ CAST(@pageSize*(@page-1) as Varchar(20)) +' '+ @ID +' from '+@tblName
                            +' where (1=1) ' + @strCondition +' order by '+ @fldSort +' '+ @strFSortType+') AS TBMinID)'
                            +' '+ @strCondition +' order by '+ @fldSort +' '+ @strFSortType 
                    end           
            end
            else
            begin 
                set 2= @pageIndex-2+1 --后半部分数据处理
                if 2<= 1 --最后一页数据显示
                        set @strTmp=@SqlSelect+' * from ('+@SqlSelect+' top '+ CAST(@lastcount as VARCHAR(4))+' '+ @fldName+' from '+@tblName
                            +' where (1=1) '+ @strCondition +' order by '+ @fldSort +' '+ @strSortType+') AS TempTB'+' order by '+ @fldSort +' '+ @strFSortType                     
                else if(@Sort=1)
                        set @strTmp=@SqlSelect+' * from ('+@SqlSelect+' top '+ CAST(@pageSize as VARCHAR(4))+' '+ @fldName+' from '+@tblName
                            +' where '+@ID+' >(select max('+ @ID +') from('+ @SqlSelect+' top '+ CAST(@pageSize*(@page-2)+@lastcount as Varchar(20)) +' '+ @ID +' from '+@tblName
                            +' where (1=1) '+ @strCondition +' order by '+ @fldSort +' '+ @strSortType+') AS TBMaxID)'
                            +' '+ @strCondition+' order by '+ @fldSort +' '+ @strSortType+') AS TempTB'+' order by '+ @fldSort +' '+ @strFSortType    
                else
                        set @strTmp=@SqlSelect+' * from ('+@SqlSelect+' top '+ CAST(@pageSize as VARCHAR(4))+' '+ @fldName+' from '+@tblName
                            +' where '+@ID+' <(select min('+ @ID +') from('+ @SqlSelect+' top '+ CAST(@pageSize*(@page-2)+@lastcount as Varchar(20)) +' '+ @ID +' from '+@tblName
                            +' where (1=1) '+ @strCondition +' order by '+ @fldSort +' '+ @strSortType+') AS TBMaxID)'
                            +' '+ @strCondition+' order by '+ @fldSort +' '+ @strSortType+') AS TempTB'+' order by '+ @fldSort +' '+ @strFSortType            
            end    
        end
    ------返回查询结果-----
    exec sp_executesql @strTmp
    select datediff(ms,@timediff,getdate()) as 耗时
    print @strTmp
    SET NOCOUNT OFF
    

    网上的比较经典的存储过程

    View Code
    Create PROC P_viewPage         
    /**//*
    nzperfect [no_mIss] 高效通用分页存储过程(双向检索) 2007.5.7 QQ:34813284
    敬告:适用于单一主键或存在唯一值列的表或视图
    ps:Sql语句为8000字节,调用时请注意传入参数及sql总长度不要超过指定范围
    */
    @TableName VARCHAR(200), --表名
    @FieldList VARCHAR(2000), --显示列名,如果是全部字段则为*
    @PrimaryKey VARCHAR(100), --单一主键或唯一值键
    @Where VARCHAR(2000), --查询条件 不含'where'字符,如id>10 and len(userid)>9
    @Order VARCHAR(1000), --排序 不含'order by'字符,如id asc,userid desc,必须指定asc或desc
    --注意当@SortType=3时生效,记住一定要在最后加上主键,否则会让你比较郁闷
    @SortType INT, --排序规则 1:正序asc 2:倒序desc 3:多列排序方法
    @RecorderCount INT, --记录总数 0:会返回总记录
    @PageSize INT, --每页输出的记录数
    @PageIndex INT, --当前页数
    @TotalCount INT OUTPUT , --记返回总记录
    @TotalPageCount INT OUTPUT --返回总页数
    AS
    SET NOCOUNT ON
    IF ISNULL(@TotalCount,'') = '' SET @TotalCount = 0
    SET @Order = RTRIM(LTRIM(@Order))
    SET @PrimaryKey = RTRIM(LTRIM(@PrimaryKey))
    SET @FieldList = REPLACE(RTRIM(LTRIM(@FieldList)),' ','')
    WHILE CHARINDEX(', ',@Order) > 0 or CHARINDEX(' ,',@Order) > 0
    BEGIN
    SET @Order = REPLACE(@Order,', ',',')
    SET @Order = REPLACE(@Order,' ,',',')
    END
    IF ISNULL(@TableName,'') = '' or ISNULL(@FieldList,'') = ''
    or ISNULL(@PrimaryKey,'') = ''
    or @SortType < 1 or @SortType >3
    or @RecorderCount < 0 or @PageSize < 0 or @PageIndex < 0
    BEGIN
    PRINT('ERR_00')
    RETURN
    END
    IF @SortType = 3
    BEGIN
    IF (UPPER(RIGHT(@Order,4))!=' ASC' AND UPPER(RIGHT(@Order,5))!=' DESC')
    BEGIN PRINT('ERR_02') RETURN END
    END
    DECLARE @new_where1 VARCHAR(1000)
    DECLARE @new_where2 VARCHAR(1000)
    DECLARE @new_order1 VARCHAR(1000)
    DECLARE @new_order2 VARCHAR(1000)
    DECLARE @new_order3 VARCHAR(1000)
    DECLARE @Sql VARCHAR(8000)
    DECLARE @SqlCount NVARCHAR(4000)
    IF ISNULL(@where,'') = ''
    BEGIN
    SET @new_where1 = ' '
    SET @new_where2 = ' Where '
    END
    ELSE
    BEGIN
    SET @new_where1 = ' Where ' + @where
    SET @new_where2 = ' Where ' + @where + ' AND '
    END
    IF ISNULL(@order,'') = '' or @SortType = 1 or @SortType = 2
    BEGIN
    IF @SortType = 1
    BEGIN
    SET @new_order1 = ' orDER BY ' + @PrimaryKey + ' ASC'
    SET @new_order2 = ' orDER BY ' + @PrimaryKey + ' DESC'
    END
    IF @SortType = 2
    BEGIN
    SET @new_order1 = ' orDER BY ' + @PrimaryKey + ' DESC'
    SET @new_order2 = ' orDER BY ' + @PrimaryKey + ' ASC'
    END
    END
    ELSE
    BEGIN
    SET @new_order1 = ' orDER BY ' + @Order
    END

    IF @SortType = 3 AND CHARINDEX(','+@PrimaryKey+' ',','+@Order)>0
    BEGIN
    SET @new_order1 = ' orDER BY ' + @Order
    SET @new_order2 = @Order + ','
    SET @new_order2 = REPLACE(REPLACE(@new_order2,'ASC,','{ASC},'),'DESC,','{DESC},')
    SET @new_order2 = REPLACE(REPLACE(@new_order2,'{ASC},','DESC,'),'{DESC},','ASC,')
    SET @new_order2 = ' orDER BY ' + SUBSTRING(@new_order2,1,LEN(@new_order2)-1)
    IF @FieldList <> '*'
    BEGIN
    SET @new_order3 = REPLACE(REPLACE(@Order + ',','ASC,',','),'DESC,',',')
    SET @FieldList = ',' + @FieldList
    WHILE CHARINDEX(',',@new_order3)>0
    BEGIN
    IF CHARINDEX(SUBSTRING(','+@new_order3,1,CHARINDEX(',',@new_order3)),','+@FieldList+',')>0
    BEGIN
    SET @FieldList =
    @FieldList + ',' + SUBSTRING(@new_order3,1,CHARINDEX(',',@new_order3))
    END
    SET @new_order3 =
    SUBSTRING(@new_order3,CHARINDEX(',',@new_order3)+1,LEN(@new_order3))
    END
    SET @FieldList = SUBSTRING(@FieldList,2,LEN(@FieldList))
    END
    END

    SET @SqlCount = 'Select @TotalCount=COUNT(*),@TotalPageCount=CEILING((COUNT(*)+0.0)/'
    + CAST(@PageSize AS VARCHAR)+') FROM (Select * FROM ' + @TableName + @new_where1+') AS T'
    IF @RecorderCount = 0
    BEGIN
    EXEC SP_EXECUTESQL @SqlCount,N'@TotalCount INT OUTPUT,@TotalPageCount INT OUTPUT',
    @TotalCount OUTPUT,@TotalPageCount OUTPUT
    END
    ELSE
    BEGIN
    Select @TotalCount = @RecorderCount
    END
    IF @PageIndex > CEILING((@TotalCount+0.0)/@PageSize)
    BEGIN
    SET @PageIndex = CEILING((@TotalCount+0.0)/@PageSize)
    END
    IF @PageIndex = 1 or @PageIndex >= CEILING((@TotalCount+0.0)/@PageSize)
    BEGIN
    IF @PageIndex = 1 --返回第一页数据
    BEGIN
    SET @Sql = 'Select * FROM (Select TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '
    + @TableName + @new_where1 + @new_order1 +') AS TMP ' + @new_order1
    END
    IF @PageIndex >= CEILING((@TotalCount+0.0)/@PageSize) --返回最后一页数据
    BEGIN
    SET @Sql = 'Select TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ('
    + 'Select TOP ' + STR(ABS(@PageSize*@PageIndex-@TotalCount-@PageSize))
    + ' ' + @FieldList + ' FROM '
    + @TableName + @new_where1 + @new_order2 + ' ) AS TMP '
    + @new_order1
    END
    END
    ELSE

    BEGIN
    IF @SortType = 1 --仅主键正序排序
    BEGIN
    IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2 --正向检索
    BEGIN
    SET @Sql = 'Select TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '
    + @TableName + @new_where2 + @PrimaryKey + ' > '
    + '(Select MAX(' + @PrimaryKey + ') FROM (Select TOP '
    + STR(@PageSize*(@PageIndex-1)) + ' ' + @PrimaryKey
    + ' FROM ' + @TableName
    + @new_where1 + @new_order1 +' ) AS TMP) '+ @new_order1
    END
    ELSE --反向检索
    BEGIN
    SET @Sql = 'Select TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ('
    + 'Select TOP ' + STR(@PageSize) + ' '
    + @FieldList + ' FROM '
    + @TableName + @new_where2 + @PrimaryKey + ' < '
    + '(Select MIN(' + @PrimaryKey + ') FROM (Select TOP '
    + STR(@TotalCount-@PageSize*@PageIndex) + ' ' + @PrimaryKey
    + ' FROM ' + @TableName
    + @new_where1 + @new_order2 +' ) AS TMP) '+ @new_order2
    + ' ) AS TMP ' + @new_order1
    END
    END
    IF @SortType = 2 --仅主键反序排序
    BEGIN
    IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2 --正向检索
    BEGIN
    SET @Sql = 'Select TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM '
    + @TableName + @new_where2 + @PrimaryKey + ' < '
    + '(Select MIN(' + @PrimaryKey + ') FROM (Select TOP '
    + STR(@PageSize*(@PageIndex-1)) + ' ' + @PrimaryKey
    +' FROM '+ @TableName
    + @new_where1 + @new_order1 + ') AS TMP) '+ @new_order1
    END
    ELSE --反向检索
    BEGIN
    SET @Sql = 'Select TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ('
    + 'Select TOP ' + STR(@PageSize) + ' '
    + @FieldList + ' FROM '
    + @TableName + @new_where2 + @PrimaryKey + ' > '
    + '(Select MAX(' + @PrimaryKey + ') FROM (Select TOP '
    + STR(@TotalCount-@PageSize*@PageIndex) + ' ' + @PrimaryKey
    + ' FROM ' + @TableName
    + @new_where1 + @new_order2 +' ) AS TMP) '+ @new_order2
    + ' ) AS TMP ' + @new_order1
    END
    END
    IF @SortType = 3 --多列排序,必须包含主键,且放置最后,否则不处理
    BEGIN
    IF CHARINDEX(',' + @PrimaryKey + ' ',',' + @Order) = 0
    BEGIN PRINT('ERR_02') RETURN END
    IF @PageIndex <= CEILING((@TotalCount+0.0)/@PageSize)/2 --正向检索
    BEGIN
    SET @Sql = 'Select TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '
    + 'Select TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '
    + ' Select TOP ' + STR(@PageSize*@PageIndex) + ' ' + @FieldList
    + ' FROM ' + @TableName + @new_where1 + @new_order1 + ' ) AS TMP '
    + @new_order2 + ' ) AS TMP ' + @new_order1
    END
    ELSE --反向检索
    BEGIN
    SET @Sql = 'Select TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '
    + 'Select TOP ' + STR(@PageSize) + ' ' + @FieldList + ' FROM ( '
    + ' Select TOP ' + STR(@TotalCount-@PageSize *@PageIndex+@PageSize) + ' ' + @FieldList
    + ' FROM ' + @TableName + @new_where1 + @new_order2 + ' ) AS TMP '
    + @new_order1 + ' ) AS TMP ' + @new_order1
    END
    END
    END
    PRINT(@SQL)
    EXEC(@Sql)

    公司的存储过程,虽然效率不是太高,不过还行。

    View Code
    USE [CaiLi]
    GO

    /****** Object: StoredProcedure [dbo].[SqlPagination] Script Date: 10/26/2011 11:40:46 ******/
    SET ANSI_NULLS ON
    GO

    SET QUOTED_IDENTIFIER ON
    GO

    CREATE PROCEDURE [dbo].[SqlPagination]

    /*

    ***************************************************************

    ** 千万数量级分页存储过程 **

    ***************************************************************

    参数说明:

    1.Tables :表名称,视图

    2.PrimaryKey :主关键字

    3.Sort :排序语句,不带Order By 比如:NewsID Desc,OrderRows Asc

    4.CurrentPage :当前页码

    5.PageSize :分页尺寸

    6.Filter :过滤语句,不带Where

    7.Group :Group语句,不带Group By

    **************************************************************
    */

    (

    @Tables varchar(1000),

    @PrimaryKey varchar(100),

    @Sort varchar(200) = NULL,

    @CurrentPage int = 1,

    @PageSize int = 10,

    @Fields varchar(1000) = '*',

    @Filter varchar(1000) = NULL,

    @Group varchar(1000) = NULL
    )

    AS

    /*默认排序*/
    if @PrimaryKey IS NULL or @PrimaryKey = ''
    set @PrimaryKey='ID'

    IF @Sort IS NULL or @Sort = ''

    SET @Sort = @PrimaryKey

    IF @Fields IS NULL or @Fields = ''

    SET @Fields = '*'

    DECLARE @SortTable varchar(100)

    DECLARE @SortName varchar(100)

    DECLARE @strSortColumn varchar(200)

    DECLARE @operator char(2)

    DECLARE @type varchar(100)

    DECLARE @prec int

    /*设定排序语句.*/
    if charindex(',',@Sort) >0
    set @strSortColumn = substring(@Sort,0,charindex(',',@Sort))
    else
    set @strSortColumn = @Sort
    IF CHARINDEX('DESC',@Sort)>0

    BEGIN

    SET @strSortColumn = REPLACE(@strSortColumn, 'DESC', '')

    SET @operator = '<='

    END

    ELSE

    BEGIN

    IF CHARINDEX('ASC',@Sort)> 0
    BEGIN
    SET @strSortColumn = REPLACE(@strSortColumn, 'ASC', '')

    SET @operator = '>='
    END
    END

    IF CHARINDEX('.', @strSortColumn) > 0

    BEGIN

    SET @SortTable = SUBSTRING(@strSortColumn, 0, CHARINDEX('.',@strSortColumn))

    SET @SortName = SUBSTRING(@strSortColumn, CHARINDEX('.',@strSortColumn) + 1, LEN(@strSortColumn))

    END

    ELSE

    BEGIN

    SET @SortTable = @Tables

    SET @SortName = @strSortColumn

    END

    Select @type=t.name, @prec=c.prec

    FROM sysobjects o

    JOIN syscolumns c on o.id=c.id

    JOIN systypes t on c.xusertype=t.xusertype

    Where o.name = @SortTable AND c.name = @SortName

    IF CHARINDEX('char', @type) > 0

    SET @type = @type + '(' + CAST(@prec AS varchar) + ')'

    DECLARE @strPageSize varchar(50)

    DECLARE @strStartRow varchar(50)

    DECLARE @strFilter varchar(1000)

    DECLARE @strSimpleFilter varchar(1000)

    DECLARE @strGroup varchar(1000)

    DECLARE @strSort varchar(200)

    /*默认当前页*/

    IF @CurrentPage < 1

    SET @CurrentPage = 1

    /*设置分页参数.*/

    SET @strPageSize = CAST(@PageSize AS varchar(50))

    SET @strStartRow = CAST(((@CurrentPage - 1)*@PageSize + 1) AS varchar(50))

    /*筛选以及分组语句.*/

    IF @Filter IS NOT NULL AND @Filter != ''

    BEGIN

    SET @strFilter = ' Where 1=1 ' + @Filter + ' '

    SET @strSimpleFilter =@Filter + ' '

    END

    ELSE

    BEGIN

    SET @strSimpleFilter = ''

    SET @strFilter = ''

    END

    IF @Group IS NOT NULL AND @Group != ''

    SET @strGroup = ' GROUP BY ' + @Group + ' '

    ELSE

    SET @strGroup = ''

    IF @Sort IS NOT NULL AND @Sort != ''

    SET @strSort = ' ORDER BY ' + @Sort + ' '

    ELSE

    SET @strSort = ''


    --print('Select ' + @Fields + ' FROM ' + '(Select *,ROW_NUMBER() OVER ('+@strSort+')as RowNumber FROM '+@Tables+') t' + ' Where t.RowNumber between '+@strStartRow+' and '+' ' + @strSimpleFilter + ' ' + @strSort + @strGroup)
    /*
    执行查询语句*/
    declare @STRORDER varchar(50)
    if CHARINDEX(',',@strSort)>0
    set @STRORDER=SUBSTRING(@strSort, 0, CHARINDEX(',',@strSort))
    else
    set @STRORDER=@strSort
    EXEC(

    ' DECLARE @SortColumn ' + @type + '
    DECLARE @TotalCount int
    DECLARE @ENDCOUNT int
    DECLARE @strENDCOUNT varchar(50)

    --Select count(1) FROM
    ' + @Tables + @strFilter+'

    set @TotalCount=(Select count(1) FROM
    ' + @Tables + @strFilter+')'+'
    SET ROWCOUNT
    ' + @strStartRow + '
    SET @ENDCOUNT=CAST(
    '+@strStartRow+' AS int)+CAST('+@strPageSize+' AS int)-1

    IF @ENDCOUNT > @TotalCount
    BEGIN
    SET @ENDCOUNT = @TotalCount
    END
    set @strENDCOUNT=CAST(@ENDCOUNT AS varchar(50))

    Select @SortColumn=
    ' + @strSortColumn + ' FROM ' + @Tables + @strFilter + ' ' + @strGroup + @strSort + '

    SET ROWCOUNT
    ' + @strPageSize + '

    Select
    ' + @Fields + ' FROM ' + '(Select *,ROW_NUMBER() OVER ('+@STRORDER+')as RowNumber FROM '+@Tables+' where 1=1 '+@strSimpleFilter+') t' + ' Where t.RowNumber between '+@strStartRow+' and @strENDCOUNT ' + @strGroup + @strSort + ' ')
    GO



    写个博客不容易,请转载的时候备注下原文出处,谢谢
    作者:keepnode
    博客地址:http://www.cnblogs.com/woaic
    每件事到最后都是好事,如果不是好事,说明还没有到最后
    =========================
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  • 原文地址:https://www.cnblogs.com/woaic/p/2224367.html
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