MSSQL2000和2005的分页

MSSQL2000

set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go

ALTER PROC [dbo].[PROCE_PageView2000]
(
@tbname     nvarchar(100),               --要分页显示的表名
@FieldKey   nvarchar(1000),      --用于定位记录的主键(惟一键)字段,可以是逗号分隔的多个字段
@PageCurrent int=1,               --要显示的页码
@PageSize   int=10,                --每页的大小(记录数)
@FieldShow nvarchar(1000)='',      --以逗号分隔的要显示的字段列表,如果不指定,则显示所有字段
@FieldOrder nvarchar(1000)='',      --以逗号分隔的排序字段列表,可以指定在字段后面指定DESC/ASC
@WhereString    nvarchar(1000)=N'',     --查询条件
@RecordCount int OUTPUT             --总记录数
)
AS
SET NOCOUNT ON
--检查对象是否有效
--IF OBJECT_ID(@tbname) IS NULL
--BEGIN
--    RAISERROR(N'对象"%s"不存在',1,16,@tbname)
--    RETURN
--END
--IF OBJECTPROPERTY(OBJECT_ID(@tbname),N'IsTable')=0
--    AND OBJECTPROPERTY(OBJECT_ID(@tbname),N'IsView')=0
--    AND OBJECTPROPERTY(OBJECT_ID(@tbname),N'IsTableFunction')=0
--BEGIN
--    RAISERROR(N'"%s"不是表、视图或者表值函数',1,16,@tbname)
--    RETURN
--END

--分页字段检查
IF ISNULL(@FieldKey,N'')=''
BEGIN
    RAISERROR(N'分页处理需要主键（或者惟一键）',1,16)
    RETURN
END

--其他参数检查及规范
IF ISNULL(@PageCurrent,0)<1 SET @PageCurrent=1
IF ISNULL(@PageSize,0)<1 SET @PageSize=10
IF ISNULL(@FieldShow,N'')=N'' SET @FieldShow=N'*'
IF ISNULL(@FieldOrder,N'')=N''
    SET @FieldOrder=N''
ELSE
    SET @FieldOrder=N'ORDER BY '+LTRIM(@FieldOrder)
IF ISNULL(@WhereString,N'')=N''
    SET @WhereString=N''
ELSE
    SET @WhereString=N'WHERE ('+@WhereString+N')'

--如果@RecordCount为NULL值,则计算总页数(这样设计可以只在第一次计算总页数,以后调用时,把总页数传回给存储过程,避免再次计算总页数,对于不想计算总页数的处理而言,可以给@RecordCount赋值)
IF @RecordCount IS NULL
BEGIN
    DECLARE @sql nvarchar(4000)
    SET @sql=N'SELECT @RecordCount=COUNT(*)'
        +N' FROM '+@tbname
        +N' '+@WhereString
    EXEC sp_executesql @sql,N'@RecordCount int OUTPUT',@RecordCount OUTPUT
END

--计算分页显示的TOPN值
DECLARE @TopN varchar(20),@TopN1 varchar(20)
SELECT @TopN=@PageSize,
    @TopN1=(@PageCurrent-1)*@PageSize

--第一页直接显示
IF @PageCurrent=1
    EXEC(N'SELECT TOP '+@TopN
        +N' '+@FieldShow
        +N' FROM '+@tbname
        +N' '+@WhereString
        +N' '+@FieldOrder)
ELSE
BEGIN
    --处理别名
    IF @FieldShow=N'*'
        SET @FieldShow=N'a.*'

    --生成主键(惟一键)处理条件
    DECLARE @Where1 nvarchar(4000),@Where2 nvarchar(4000),
        @s nvarchar(1000),@Field sysname
    SELECT @Where1=N'',@Where2=N'',@s=@FieldKey
    WHILE CHARINDEX(N',',@s)>0
        SELECT @Field=LEFT(@s,CHARINDEX(N',',@s)-1),
            @s=STUFF(@s,1,CHARINDEX(N',',@s),N''),
            @Where1=@Where1+N' AND a.'+@Field+N'=b.'+@Field,
            @Where2=@Where2+N' AND b.'+@Field+N' IS NULL',
            @WhereString=REPLACE(@WhereString,@Field,N'a.'+@Field),
            @FieldOrder=REPLACE(@FieldOrder,@Field,N'a.'+@Field),
            @FieldShow=REPLACE(@FieldShow,@Field,N'a.'+@Field)
    SELECT @WhereString=REPLACE(@WhereString,@s,N'a.'+@s),
        @FieldOrder=REPLACE(@FieldOrder,@s,N'a.'+@s),
        @FieldShow=REPLACE(@FieldShow,@s,N'a.'+@s),
        @Where1=STUFF(@Where1+N' AND a.'+@s+N'=b.'+@s,1,5,N''),    
        @Where2=CASE
            WHEN @WhereString='' THEN N'WHERE ('
            ELSE @WhereString+N' AND ('
            END+N'b.'+@s+N' IS NULL'+@Where2+N')'

    --执行查询
    EXEC(N'SELECT TOP '+@TopN
        +N' '+@FieldShow
        +N' FROM '+@tbname
        +N' a LEFT JOIN(SELECT TOP '+@TopN1
        +N' '+@FieldKey
        +N' FROM '+@tbname
        +N' a '+@WhereString
        +N' '+@FieldOrder
        +N')b ON '+@Where1
        +N' '+@Where2
        +N' '+@FieldOrder)
END

 

MSSQL2005

set ANSI_NULLS ON

set QUOTED_IDENTIFIER ON

go

CREATE PROCEDURE [dbo].[p_GetListByPage]

(

 @TableName varchar(50),            --表名

 @ReFieldsStr varchar(200) = '*',   --字段名(全部字段为*)

 @OrderString varchar(200),         --排序字段(必须!支持多字段不用加order by)

 @WhereString varchar(500) =N'',  --条件语句(不用加where)

 @PageSize int = 10,                     --每页多少条记录

 @PageIndex int = 1 ,               --指定当前为第几页

 @TotalPage int = 0 output,             --总页数

 @TotalRecord int = 0 output            --返回总记录数

)

AS

BEGIN 

    --处理开始点和结束点

    Declare @StartRecord int;

    Declare @EndRecord int; 

    Declare @TotalCountSql nvarchar(500); 

    Declare @SqlString nvarchar(2000);    

    SET @StartRecord = (@PageIndex-1)*@PageSize + 1

    SET @EndRecord = @StartRecord + @PageSize - 1 

    SET @TotalCountSql= N'select @TotalRecord = count(*) from ' + @TableName;--总记录数语句

    SET @SqlString = N'(select row_number() over (order by '+ @OrderString +') as rowId,'+@ReFieldsStr+' from '+ @TableName;--查询语句

    --

    IF (@WhereString! = '' or @WhereString!=null)

        BEGIN

            SET @TotalCountSql=@TotalCountSql + '  where '+ @WhereString;

            SET @SqlString =@SqlString+ '  where '+ @WhereString;            

        END

    --第一次执行得到

    IF(@TotalRecord is null)

       BEGIN

           EXEC sp_executesql @totalCountSql,N'@TotalRecord int out',@TotalRecord output;--返回总记录数

      END

    SET @TotalPage = CEILING(@TotalRecord*1.0/@PageSize)

    ----执行主语句

    SET @SqlString ='select * from ' + @SqlString + ') as t where rowId between ' + ltrim(str(@StartRecord)) + ' and ' +  ltrim(str(@EndRecord));

    Exec (@SqlString);

END

GO 

 

最后@SqlString 打印结果：

select * from (select row_number() over (order by Rid desc,Writetime) as rowId,* from t_smsrecord) as t where rowId between 11 and 20

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