SQL Server通用分页存储过程

SQL Server通用分页存储过程,用存储过程可以提高效率与节约时间。

IF EXISTS(SELECT * FROM SYSOBJECTS WHERE name = 'commonPagination')
DROP PROC commonPagination
GO

CREATE proc [dbo].[commonPagination] 
@columns varchar(500), --要显示的列名,用逗号隔开 
@tableName varchar(100), --要查询的表名 
@orderColumnName varchar(100), --排序的列名 
@order varchar(50), --排序的方式,升序为asc,降序为 desc 
@where varchar(100), --where 条件,如果不带查询条件,请用 1=1 
@pageIndex int, --当前页索引 
@pageSize int, --页大小(每页显示的记录条数) 
@pageCount int output --总页数,输出参数 
as 
begin 
declare @sqlRecordCount nvarchar(1000) --得到总记录条数的语句 
declare @sqlSelect nvarchar(1000) --查询语句 
set @sqlRecordCount=N'select @recordCount=count(*) from ' 
+@tableName + ' where '+ @where 
declare @recordCount int --保存总记录条数的变量 
exec sp_executesql @sqlRecordCount,N'@recordCount int output',@recordCount output 
--动态 sql 传参 
if( @recordCount % @pageSize = 0) --如果总记录条数可以被页大小整除 
set @pageCount = @recordCount / @pageSize --总页数就等于总记录条数除以页大小 
else --如果总记录条数不能被页大小整除 
set @pageCount = @recordCount / @pageSize + 1 --总页数就等于总记录条数除以页大小加1 
set @sqlSelect = 
N'select '+@columns+' from ( 
select row_number() over (order by ' 
+@orderColumnName+' '+@order 
+') as tempid,* from ' 
+@tableName+' where '+ @where 
+') as tempTableName where tempid between ' 
+str((@pageIndex - 1)*@pageSize + 1 ) 
+' and '+str( @pageIndex * @pageSize) 
exec (@sqlSelect) --执行动态Sql 
end 

--以下是调用示例
use pubs
go
declare @pageCount int
exec commonPagination
'job_id,job_desc','jobs','job_id',
'asc','1=1',2,2,@pageCount output
select '总页数为:' + str(@pageCount)

IF EXISTS(SELECT * FROM SYSOBJECTS WHERE name = 'Pagination')
DROP PROCEDURE Pagination
GO
CREATE PROCEDURE Pagination
@Columns VARCHAR(500), -- The columns to be displayed, divide by comma
@Tablename VARCHAR(100), -- The name of the table to be searched
@OrderColumnName VARCHAR(100), -- The name of the column to be used in order
@Order VARCHAR(50), -- The order method, ASC or DESC
@Where VARCHAR(100), -- The where condition, if there is not conditon use 1=1
@PageIndex INT, -- Current page index
@PageSize INT, -- The size of the page
@PageCount INT OUTPUT -- The total page count,define as output parameter
AS
BEGIN
DECLARE @SqlRecordCount NVARCHAR(100) -- The SQL Statement to get the total count of the records
DECLARE @SqlSelect NVARCHAR(1000) -- The SQL SELECT statment
SET @SqlRecordCount = N'SELECT @RecordCount = COUNT(*) FROM' + @Tablename + ' WHERE ' +@Where
DECLARE @RecordCount INT
EXEC sp_executesql @SqlRecordCount, N'@RecordCount INT OUTPUT',@RecordCount OUTPUT -- Transfer the parameter dynamic

IF(@RecordCount % @PageSize = 0)
SET @PageCount = @RecordCount / @PageSize
ELSE
SET @PageCount = @RecordCount / @PageSize + 1

SET @SqlSelect = N'SELECT ' + @Columns + ' FROM(SELECT ROW_NUMBER() OVER (ORDER BY ' + @OrderColumnName
    +' ' + @Order + ') AS tempid, * FROM ' + @Tablename + ' WHERE ' + @Where + ') AS tempTableName WHERE tempid
    BETWEEN ' + STR((@PageIndex - 1)*@PageSize + 1) + ' AND ' + STR(@PageIndex * @PageSize)
EXEC (@SqlSelect)
END
GO



 

原文地址:https://www.cnblogs.com/herbert/p/1783484.html