站长网 MsSql教程 MSSQL分页存储过程完整实例 详解MSSQL分页存储过程

MSSQL分页存储过程完整实例 详解MSSQL分页存储过程

这篇文章主要给大家分享关于MSSQL分页存储过程的内容,下文MSSQL分页存储过程示例还支持多表分页存储,感兴趣的朋友可以参考,那么接下来我们就直接看代码。 USE [DB_Common] GO /****** 对象: StoredProcedure [dbo].[Com_Pagination] 脚本日期: 03/09/201

这篇文章主要给大家分享关于MSSQL分页存储过程的内容,下文MSSQL分页存储过程示例还支持多表分页存储,感兴趣的朋友可以参考,那么接下来我们就直接看代码。
 
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
**/
    关于mssql分页存储过程就介绍到这,上述实例具有一定的借鉴价值,感兴趣的朋友可以参考,希望能对大家有帮助,想要了解更多mssql分页存储过程的内容,大家可以关注其它的相关文章。

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作者: dawei

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