万能分页存储过程

USE [chy]
GO
/****** Object:  StoredProcedure [dbo].[list_page]    Script Date: 02/27/2014 14:30:04 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
-- =============================================

declare @count int
exec list_page ' z_username, z_sonusername, z_sonScore, z_getMoney, ServerNo, shoukuanusername, username, username3, firstUsername, levId, isPlay',
'user4,user3,ztjl','user4.username3=ztjl.z_username and user4.username3=user3.username ','levId',1,@count output,10
select @count

ALTER PROCEDURE [dbo].[list_page]
    @SelectList            VARCHAR(2000)=' * ',    --欲选择字段列表
    @TableSource        VARCHAR(1000),    --表名或视图表
    @SearchCondition    VARCHAR(max)='',    --查询条件
    @OrderExpression    VARCHAR(1000)='id',    --排序表达式
    @PageIndex            INT = 1,        --页号,从0开始
 @Counts       int = 1 output,        ----查询到的记录数
    @PageSize            INT = 10      --页尺寸
    --@pagecount           int output             ---总控几页
AS
BEGIN
    IF @SelectList IS NULL OR LTRIM(RTRIM(@SelectList)) = ''
    BEGIN
        SET @SelectList = '*'
    END
    PRINT @SelectList
   
    SET @SearchCondition = ISNULL(@SearchCondition,'')
    SET @SearchCondition = LTRIM(RTRIM(@SearchCondition))
    IF @SearchCondition <> ''
    BEGIN
        IF UPPER(SUBSTRING(@SearchCondition,1,5)) <> 'WHERE'
        BEGIN
            SET @SearchCondition = 'WHERE ' + @SearchCondition
        END
    END
    PRINT @SearchCondition

    SET @OrderExpression = ISNULL(@OrderExpression,'')
    SET @OrderExpression = LTRIM(RTRIM(@OrderExpression))
    IF @OrderExpression <> ''
    BEGIN
        IF UPPER(SUBSTRING(@OrderExpression,1,5)) <> 'WHERE'
        BEGIN
            SET @OrderExpression = 'ORDER BY ' + @OrderExpression
        END
    END
    PRINT @OrderExpression

    IF @PageIndex IS NULL OR @PageIndex < 1
    BEGIN
        SET @PageIndex = 1
    END
    PRINT @PageIndex
    IF @PageSize IS NULL OR @PageSize < 1
    BEGIN
        SET @PageSize = 10
    END
    PRINT  @PageSize

    DECLARE @SqlQuery VARCHAR(4000)

    SET @SqlQuery='SELECT *,RowNumber
    FROM
        (SELECT ' + @SelectList + ',ROW_NUMBER() OVER( '+ @OrderExpression +') AS RowNumber
          FROM '+@TableSource+' '+ @SearchCondition +') AS RowNumberTableSource
    WHERE RowNumber BETWEEN ' + CAST(((@PageIndex - 1)* @PageSize+1) AS VARCHAR)
    + ' AND ' +
    CAST((@PageIndex * @PageSize) AS VARCHAR)
--    ORDER BY ' + @OrderExpression
    PRINT @SqlQuery
    SET NOCOUNT ON
    EXECUTE(@SqlQuery)
    SET NOCOUNT OFF
 
 --    set @Counts= @@RowCount
 --此处@strTmp为取得查询结果数量的语句
 Declare @strTmp nvarchar(1000)       ----存放取得查询结果总数的查询语句和动态生成的SQL语句
  --此处@strTmp为取得查询结果数量的语句
 Set @strTmp = 'select @Counts=Count(*) FROM '+@TableSource +' ' + @SearchCondition

 ----取得查询结果总数量-----
Exec Sp_executesql @strTmp,N'@Counts int out ',@Counts Out

 
print @strTmp
END