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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
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--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
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--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
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--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;
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--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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