本文实例讲述了MSSQL分页存储过程。分享给大家供大家参考,具体如下:
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USE [DB_Common] GO /****** 对象: StoredProcedure [dbo].[Com_Pagination] 脚本日期: 03/09/2012 23:46:20 ******/ SET ANSI_NULLS ON GO SET QUOTED_IDENTIFIER ON GO /************************************************************ * *Sql分页存储过程(支持多表分页存储) * *调用实例: EXEC Com_Pagination 100, --总记录数 0, --总页数 -- 'Person',--查询的表名 ' Person p LEFT JOIN TE a ON a.PID=p.Id ' , --查询的表名(这里为多表) 'a.*' , --查询数据列 'p.ID' , --排列字段 'p.ID' , --分组字段 2, --每页记录数 1, --当前页数 0, --是否使用分组,否是 ' a.pid=2' --查询条件 ************************************************************/ CREATE PROCEDURE [dbo].[Com_Pagination] @TotalCount INT OUTPUT , --总记录数 @TotalPage INT OUTPUT , --总页数 @ Table NVARCHAR(1000), --查询的表名(可多表,例如:Person p LEFT JOIN TE a ON a.PID=p.Id ) @ Column NVARCHAR(1000), --查询的字段,可多列或者为* @OrderColumn NVARCHAR(100), --排序字段 @GroupColumn NVARCHAR(150), --分组字段 @PageSize INT , --每页记录数 @CurrentPage INT , --当前页数 @ Group TINYINT, --是否使用分组,否是 @Condition NVARCHAR(4000) --查询条件(注意:若这时候为多表查询,这里也可以跟条件,例如:a.pid=2) AS DECLARE @PageCount INT , --总页数 @strSql NVARCHAR(4000), --主查询语句 @strTemp NVARCHAR(2000), --临时变量 @strCount NVARCHAR(1000), --统计语句 @strOrderType NVARCHAR(1000) --排序语句 BEGIN SET @PageCount = @PageSize * (@CurrentPage -1) SET @strOrderType = ' ORDER BY ' + @OrderColumn + ' ' IF @Condition != '' BEGIN IF @CurrentPage = 1 BEGIN IF @ GROUP = 1 BEGIN SET @strCount = 'SELECT @TotalCount=COUNT(*) FROM ' + @ Table + ' WHERE ' + @Condition + ' GROUP BY ' + @GroupColumn SET @strCount = @strCount + ' SET @TotalCount=@@ROWCOUNT' SET @strSql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @ Column + ' FROM ' + @ Table + ' WHERE ' + @Condition + ' GROUP BY ' + @GroupColumn + ' ' + @strOrderType END ELSE BEGIN SET @strCount = 'SELECT @TotalCount=COUNT(*) FROM ' + @ Table + ' WHERE ' + @Condition SET @strSql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @ Column + ' FROM ' + @ Table + ' WHERE ' + @Condition + ' ' + @strOrderType END END ELSE BEGIN IF @ GROUP = 1 BEGIN SET @strCount = 'SELECT @TotalCount=COUNT(*) FROM ' + @ Table + ' WHERE ' + @Condition + ' GROUP BY ' + @GroupColumn SET @strCount = @strCount + ' SET @TotalCount=@@ROWCOUNT' SET @strSql = 'SELECT * FROM (SELECT TOP (2000) ' + @ Column + ',ROW_NUMBER() OVER(' + @strOrderType + ') AS NUM FROM ' + @ Table + ' WHERE ' + @Condition + ' GROUP BY ' + @GroupColumn + ') AS T WHERE NUM BETWEEN ' + STR(@PageCount + 1) + ' AND ' + STR(@PageCount + @PageSize) END ELSE BEGIN SET @strCount = 'SELECT @TotalCount=COUNT(*) FROM ' + @ Table + ' WHERE ' + @Condition SET @strSql = 'SELECT * FROM (SELECT TOP (2000) ' + @ Column + ',ROW_NUMBER() OVER(' + @strOrderType + ') AS NUM FROM ' + @ Table + ' WHERE ' + @Condition + ') AS T WHERE NUM BETWEEN ' + STR(@PageCount + 1) + ' AND ' + STR(@PageCount + @PageSize) END END END ELSE --没有查询条件 BEGIN IF @CurrentPage = 1 BEGIN IF @ GROUP = 1 BEGIN SET @strCount = 'SELECT @TotalCount=COUNT(*) FROM ' + @ Table + ' GROUP BY ' + @GroupColumn SET @strCount = @strCount + 'SET @TotalCount=@@ROWCOUNT' SET @strSql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @ Column + ' FROM ' + @ Table + ' GROUP BY ' + @GroupColumn + ' ' + @strOrderType END ELSE BEGIN SET @strCount = 'SELECT @TotalCount=COUNT(*) FROM ' + @ Table SET @strSql = 'SELECT TOP ' + STR(@PageSize) + ' ' + @ Column + ' FROM ' + @ Table + ' ' + @strOrderType END END ELSE BEGIN IF @ GROUP = 1 BEGIN SET @strCount = 'SELECT @TotalCount=COUNT(*) FROM ' + @ Table + ' GROUP BY ' + @GroupColumn SET @strCount = @strCount + 'SET @TotalCount=@@ROWCOUNT' SET @strSql = 'SELECT * FROM (SELECT TOP (2000) ' + @ Column + ',ROW_NUMBER() OVER(' + @strOrderType + ') AS NUM FROM ' + @ Table + ' GROUP BY ' + @GroupColumn + ') AS T WHERE NUM BETWEEN ' + STR(@PageCount + 1) + ' AND ' + STR(@PageCount + @PageSize) END ELSE BEGIN SET @strCount = 'SELECT @TotalCount=COUNT(*) FROM ' + @ Table SET @strSql = 'SELECT * FROM (SELECT TOP (2000) ' + @ Column + ',ROW_NUMBER() OVER(' + @strOrderType + ') AS NUM FROM ' + @ Table + ') AS T WHERE NUM BETWEEN ' + STR(@PageCount + 1) + ' AND ' + STR(@PageCount + @PageSize) END END END EXEC sp_executesql @strCount, N '@TotalCount INT OUTPUT' , @TotalCount OUTPUT IF @TotalCount > 2000 BEGIN SET @TotalCount = 2000 END IF @TotalCount%@PageSize = 0 BEGIN SET @TotalPage = @TotalCount / @PageSize END ELSE BEGIN SET @TotalPage = @TotalCount / @PageSize + 1 END SET NOCOUNT ON EXEC (@strSql) END SET NOCOUNT OFF /**调用实例: EXEC Com_Pagination 100, --总记录数 0, --总页数 -- 'Person',--查询的表名 ' Person p LEFT JOIN TE a ON a.PID=p.Id ' , --查询的表名(这里为多表) 'a.*' , --查询数据列 'p.ID' , --排列字段 'p.ID' , --分组字段 2, --每页记录数 1, --当前页数 0, --是否使用分组,否是 ' a.pid=2' --查询条件 SELECT a.* FROM Person p LEFT JOIN TE a ON a.PID = p.Id WHERE a.pid = 2 **/ |
希望本文所述对大家SQL Server数据库程序设计有所帮助。