mssql 通用分页存储过程实例

作者：袖梨 2022-06-29
 代码如下 复制代码
/*通用分页存储过程*/
USE HotelManagementSystem
GO
IF EXISTS(SELECT * FROM sys.objects WHERE NAME='cndoup_GetPageOfRecords')
DROP PROCEDURE cndoup_GetPageOfRecords
GO
--创建存储过程
CREATE PROCEDURE cndoup_GetPageOfRecords
@pageSize int = 20,                        --分页大小
@currentPage int ,                         --第几页
@columns varchar(1000) = '*',              --需要得到的字段
@tableName varchar(100),                   --需要查询的表 
@condition varchar(1000) = '',             --查询条件, 不用加where关键字
@ascColumn varchar(100) = '',              --排序的字段名 (即 order by column asc/desc)
@bitOrderType bit = 0,                     --排序的类型 (0为升序,1为降序)
@pkColumn varchar(50) = ''                 --主键名称
 
AS
BEGIN                                          --存储过程开始
DECLARE @strTemp varchar(300)
DECLARE @strSql varchar(5000)              --该存储过程最后执行的语句
DECLARE @strOrderType varchar(1000)        --排序类型语句 (order by column asc或者order by column desc)
 
BEGIN
IF @bitOrderType = 1   --降序
BEGIN
SET @strOrderType = ' ORDER BY '+@ascColumn+' DESC'
SET @strTemp = '<(SELECT min'
END
ELSE--升序
BEGIN
SET @strOrderType = ' ORDER BY '+@ascColumn+' ASC'
SET @strTemp = '>(SELECT max'
END
 
IF @currentPage = 1--第一页
BEGIN
IF @condition != ''
SET @strSql = 'SELECT TOP '+STR(@pageSize)+' '+@columns+' FROM '+@tableName+
' WHERE '+@condition+@strOrderType
ELSE
SET @strSql = 'SELECT TOP '+STR(@pageSize)+' '+@columns+' FROM '+@tableName+@strOrderType
END
 
ELSE-- 其他页
BEGIN
IF @condition !=''
SET @strSql = 'SELECT TOP '+STR(@pageSize)+' '+@columns+' FROM '+@tableName+
' WHERE '+@condition+' AND '+@pkColumn+@strTemp+'('+@pkColumn+')'+' FROM (SELECT TOP '+STR((@currentPage-1)*@pageSize)+
' '+@pkColumn+' FROM '+@tableName+'where'+@condition+@strOrderType+') AS TabTemp)'+@strOrderType
ELSE
SET @strSql = 'SELECT TOP '+STR(@pageSize)+' '+@columns+' FROM '+@tableName+
' WHERE '+@pkColumn+@strTemp+'('+@pkColumn+')'+' FROM (SELECT TOP '+STR((@currentPage-1)*@pageSize)+' '+@pkColumn+
' FROM '+@tableName+@strOrderType+') AS TabTemp)'+@strOrderType
END
 
END
EXEC (@strSql)
END
 
--存储过程结束
 
 
--分页得到客房信息列表测试
EXEC cndoup_GetPageOfRecords 20,2,'房间号=RoomNum,
房间状态=(SELECT RoomTypeDes FROM RoomType WHERE RoomTypeID=Room.RoomTypeID),
房间状态=(SELECT RSDec FROM RoomStatus WHERE RoomStatusID=Room.RoomStatusID),
床位数=BedNum,
楼层=Floors,
描述=RoomDes,
备注=RoomRemark','Room','','RoomID',0,'RoomID'
 
 
--根据房间号得到客房信息测试
EXEC cndoup_GetPageOfRecords 1,1,'房间号=RoomNum,
房间状态=(SELECT RoomTypeDes FROM RoomType WHERE RoomTypeID=Room.RoomTypeID),
房间状态=(SELECT RSDec FROM RoomStatus WHERE RoomStatusID=Room.RoomStatusID),
BedNum,
Floors,
RoomDes,
RoomRemark','Room','RoomNum=304','RoomID',0,'RoomID'

相关文章

精彩推荐