sql 存储过程分页

 

USE [Graduate]
GO
/****** 对象:  StoredProcedure [dbo].[Common_Sp_Pagination]    脚本日期: 04/16/2012 21:02:37 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE PROC [dbo].[Common_Sp_Pagination]
    @StrSql NVARCHAR(MAX) ,
    @PageIndex INT ,--当前页码
    @PageCount INT ,--每页条数
    @SortClause NVARCHAR(500) ,--排序字段，不加“Order by”
    @Filter NVARCHAR(MAX) ,    --条件，可以为空，不加where
    @TotalNum INT OUTPUT --总记录条数
AS 
    DECLARE @ExeSql NVARCHAR(MAX)
    DECLARE @OrderByStr NVARCHAR(500)
    DECLARE @StartRowIndex INT
    DECLARE @EndRowIndex INT
    SET @StartRowIndex = ( @PageIndex - 1 ) * @PageCount + 1
    SET @EndRowIndex = @PageIndex * @PageCount

 
 /*--条件筛选--*/
    IF @Filter IS NOT NULL
        AND @Filter <> '' 
        BEGIN
            SET @StrSql = @StrSql + ' WHERE 1=1 ' + @Filter
        END
        
    /*--排序--*/
    IF @SortClause IS NOT NULL
        AND @SortClause <> '' 
        BEGIN
            SET @OrderByStr = ' order by ' + @SortClause 
            SET @ExeSql = ' SELECT * FROM (' + @StrSql
        + ') AS A where rowIndex between ' + CAST(@StartRowIndex AS VARCHAR)
        + ' And ' + CAST(@EndRowIndex AS VARCHAR) + ' ' + @OrderByStr  
   
        END
        ELSE
        BEGIN
    SET @ExeSql = ' SELECT * FROM (' + @StrSql
        + ') AS A where rowIndex between ' + CAST(@StartRowIndex AS VARCHAR)
        + ' And ' + CAST(@EndRowIndex AS VARCHAR) + ' ' 
        END
   
        PRINT @StrSql
        PRINT @ExeSql
    /*---查询总数-*/
    CREATE TABLE #temp ( TotalNum INT )               
    DECLARE @InsertTemp VARCHAR(max)
    SET @InsertTemp = 'insert into #temp select count(*) from (' + @StrSql + ') as  A'
        --PRINT @InsertTemp
    EXEC(@InsertTemp)
    SELECT  @TotalNum = TotalNum
    FROM    #temp
    DROP TABLE #temp
    
   /*--查询分页信息--*/     
    EXEC(@ExeSql)

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