SQL分页

--第一种分页(TOP方式)--

select * from T_Sys_User where User_Id in
(select top  User_Id from T_Sys_User where User_Id not in
(select top (*) 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  and  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 (  *  )
ROW_NUMBER() OVER ( ORDER BY User_LoginName DESC ) AS rownum ,
*
FROM T_Sys_User order by User_LoginName
)
SELECT *
FROM UserEntity
WHERE UserEntity.rownum > (  * (  -  ) )
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 (  * (  -  )) ROWS
FETCH NEXT  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(),   -- 表名
@fldName varchar(),   -- 显示字段名
@OrderfldName varchar(), -- 排序字段名
@StatfldName varchar(), -- 统计字段名
@PageSize int = ,   -- 页尺寸
@PageIndex int = ,   -- 页码
@IsReCount bit = ,   -- 返回记录总数, 非  值则返回
@OrderType bit = ,   -- 设置排序类型, 非  值则降序
@strWhere varchar() = '' -- 查询条件 (注意: 不要加 where)
AS

declare @strSQL varchar() -- 主语句
declare @strTmp varchar()   -- 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() -- 排序类型

if @OrderType !=
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-)*@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-)*@PageSize) + ' ['
+ @OrderfldName + '] from [' + @tblName + '] where ' + @strWhere + ' '
+ @strOrder + ') as tblTmp) and ' + @strWhere + ' ' + @strOrder

if @PageIndex =
begin
set @strTmp = ''
if @strWhere != ''
set @strTmp = ' where ' + @strWhere

set @strSQL = 'select top ' + str(@PageSize) + ' ' + @fldName + ' from ['
+ @tblName + ']' + @strTmp + ' ' + @strOrder
end

if @IsReCount !=
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(),       -- 表名
    @fldName      varchar(),       -- 主键字段名
    @PageSize     int = ,           -- 页尺寸
    @PageIndex    int = ,            -- 页码
    @IsReCount    bit = ,            -- 返回记录总数, 非  值则返回
    @OrderType    bit = ,            -- 设置排序类型, 非  值则降序
    @strWhere     varchar() = '' -- 查询条件 (注意: 不要加 where)
AS

declare @strSQL   varchar()       -- 主语句
declare @strTmp   varchar()        -- 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()        -- 排序类型

if @OrderType !=
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-)*@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-)*@PageSize) + ' ['
        + @fldName + '] from [' + @tblName + '] where ' + @strWhere + ' '
        + @strOrder + ') as tblTmp) and ' + @strWhere + ' ' + @strOrder

if @PageIndex =
begin
    set @strTmp =''
    if @strWhere != ''
        set @strTmp = ' where ' + @strWhere

    set @strSQL = 'select top ' + str(@PageSize) + ' * from ['
        + @tblName + ']' + @strTmp + ' ' + @strOrder
end

if @IsReCount !=
    set @strSQL = 'select count(*) as Total from [' + @tblName + ']'+' where ' + @strWhere

exec (@strSQL)