SQL分页
--第一种分页(TOP方式)--
select * from T_Sys_User where User_Id in (select top 10 User_Id from T_Sys_User where User_Id not in (select top (10*0) User_Id from T_Sys_User order by User_LoginName asc) order by User_LoginName asc) order by User_LoginName asc
--第二种分页(ROW_NUMBER方式)Linq转换后也是用的这种--
select * from (select ROW_NUMBER() over (order by User_LoginName) as row,* from T_Sys_User) as T where T.row between 1 and 10 order by User_LoginName
--第三种分页:CTE方式(common_table_expression,公用表表达式,SQL编写递归--
WITH UserEntity AS ( SELECT TOP ( 10 * 2 ) ROW_NUMBER() OVER ( ORDER BY User_LoginName DESC ) AS rownum , * FROM T_Sys_User order by User_LoginName ) SELECT * FROM UserEntity WHERE UserEntity.rownum > ( 10 * ( 2 - 1 ) ) ORDER BY UserEntity.User_LoginName
--第四种分页:Fetch(SQL Server 2012及SQL Server 2014)--
SELECT * FROM T_Sys_User ORDER BY User_LoginName DESC OFFSET ( 10 * ( 1 - 1 )) ROWS FETCH NEXT 10 ROWS ONLY;
--第五种分页:分页存储过程--
------------------------------------ --用途:支持任意排序的分页存储过程 --说明: ------------------------------------ CREATE PROCEDURE [dbo].[UP_GetRecordByPageOrder] @tblName varchar(255), -- 表名 @fldName varchar(255), -- 显示字段名 @OrderfldName varchar(255), -- 排序字段名 @StatfldName varchar(255), -- 统计字段名 @PageSize int = 10, -- 页尺寸 @PageIndex int = 1, -- 页码 @IsReCount bit = 0, -- 返回记录总数, 非 0 值则返回 @OrderType bit = 0, -- 设置排序类型, 非 0 值则降序 @strWhere varchar(1000) = ‘‘ -- 查询条件 (注意: 不要加 where) AS declare @strSQL varchar(6000) -- 主语句 declare @strTmp varchar(100) -- 临时变量(查询条件过长时可能会出错,可修改100为1000) declare @strOrder varchar(400) -- 排序类型 if @OrderType != 0 begin set @strTmp = ‘<(select min‘ set @strOrder = ‘ order by [‘ + @OrderfldName +‘] desc‘ end else begin set @strTmp = ‘>(select max‘ set @strOrder = ‘ order by [‘ + @OrderfldName +‘] asc‘ end set @strSQL = ‘select top ‘ + str(@PageSize) + ‘ ‘ + @fldName + ‘ from [‘ + @tblName + ‘] where [‘ + @OrderfldName + ‘]‘ + @strTmp + ‘([‘ + @OrderfldName + ‘]) from (select top ‘ + str((@PageIndex-1)*@PageSize) + ‘ [‘ + @OrderfldName + ‘] from [‘ + @tblName + ‘]‘ + @strOrder + ‘) as tblTmp)‘ + @strOrder if @strWhere != ‘‘ set @strSQL = ‘select top ‘ + str(@PageSize) + ‘ ‘ + @fldName + ‘ from [‘ + @tblName + ‘] where [‘ + @OrderfldName + ‘]‘ + @strTmp + ‘([‘ + @OrderfldName + ‘]) from (select top ‘ + str((@PageIndex-1)*@PageSize) + ‘ [‘ + @OrderfldName + ‘] from [‘ + @tblName + ‘] where ‘ + @strWhere + ‘ ‘ + @strOrder + ‘) as tblTmp) and ‘ + @strWhere + ‘ ‘ + @strOrder if @PageIndex = 1 begin set @strTmp = ‘‘ if @strWhere != ‘‘ set @strTmp = ‘ where ‘ + @strWhere set @strSQL = ‘select top ‘ + str(@PageSize) + ‘ ‘ + @fldName + ‘ from [‘ + @tblName + ‘]‘ + @strTmp + ‘ ‘ + @strOrder end if @IsReCount != 0 set @strSQL = @strSQL+‘ select count(1) as Total from [‘ + @tblName + ‘]‘ if @strWhere!=‘‘ set @strSQL = @strSQL+‘ where ‘ + @strWhere exec (@strSQL) ------------------------------------ --用途:分页存储过程(对有主键的表效率极高) --说明: ------------------------------------ CREATE PROCEDURE [dbo].[UP_GetRecordByPage] @tblName varchar(255), -- 表名 @fldName varchar(255), -- 主键字段名 @PageSize int = 10, -- 页尺寸 @PageIndex int = 1, -- 页码 @IsReCount bit = 0, -- 返回记录总数, 非 0 值则返回 @OrderType bit = 0, -- 设置排序类型, 非 0 值则降序 @strWhere varchar(1000) = ‘‘ -- 查询条件 (注意: 不要加 where) AS declare @strSQL varchar(6000) -- 主语句 declare @strTmp varchar(100) -- 临时变量(查询条件过长时可能会出错,可修改100为1000) declare @strOrder varchar(400) -- 排序类型 if @OrderType != 0 begin set @strTmp = ‘<(select min‘ set @strOrder = ‘ order by [‘ + @fldName +‘] desc‘ end else begin set @strTmp = ‘>(select max‘ set @strOrder = ‘ order by [‘ + @fldName +‘] asc‘ end set @strSQL = ‘select top ‘ + str(@PageSize) + ‘ * from [‘ + @tblName + ‘] where [‘ + @fldName + ‘]‘ + @strTmp + ‘([‘ + @fldName + ‘]) from (select top ‘ + str((@PageIndex-1)*@PageSize) + ‘ [‘ + @fldName + ‘] from [‘ + @tblName + ‘]‘ + @strOrder + ‘) as tblTmp)‘ + @strOrder if @strWhere != ‘‘ set @strSQL = ‘select top ‘ + str(@PageSize) + ‘ * from [‘ + @tblName + ‘] where [‘ + @fldName + ‘]‘ + @strTmp + ‘([‘ + @fldName + ‘]) from (select top ‘ + str((@PageIndex-1)*@PageSize) + ‘ [‘ + @fldName + ‘] from [‘ + @tblName + ‘] where ‘ + @strWhere + ‘ ‘ + @strOrder + ‘) as tblTmp) and ‘ + @strWhere + ‘ ‘ + @strOrder if @PageIndex = 1 begin set @strTmp =‘‘ if @strWhere != ‘‘ set @strTmp = ‘ where ‘ + @strWhere set @strSQL = ‘select top ‘ + str(@PageSize) + ‘ * from [‘ + @tblName + ‘]‘ + @strTmp + ‘ ‘ + @strOrder end if @IsReCount != 0 set @strSQL = ‘select count(*) as Total from [‘ + @tblName + ‘]‘+‘ where ‘ + @strWhere exec (@strSQL)
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