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  • 分页存储过程2005 _数据库技巧

  • :aspxer  Դ:internet  :2007-4-28 23:44:42  ؼ:数据库,数据
  • Alter Procedure [dbo].[up_Page2005]

    @TableName varchar(50), --表名

    @Fields varchar(5000) = '*', --字段名(全部字段为*)

    @OrderField varchar(5000), --排序字段(必须!支持多字段)

    @sqlWhere varchar(5000) = Null,--条件语句(不用加where)

    @pageSize int, --每页多少条记录

    @pageIndex int = 1 , --指定当前为第几页

    @TotalPage int output --返回总页数

    as

    begin

    Begin Tran --开始事务

    Declare @sql nvarchar(4000);

    Declare @totalRecord int;

    --计算总记录数

    if (@SqlWhere='' or @sqlWhere=NULL)

    set @sql = 'select @totalRecord = count(*) from ' + @TableName

    else

    set @sql = 'select @totalRecord = count(*) from ' + @TableName + ' where ' + @sqlWhere

    EXEC sp_executesql @sql,N'@totalRecord int OUTPUT',@totalRecord OUTPUT--计算总记录数

    --计算总页数

    select @TotalPage=CEILING((@totalRecord+0.0)/@PageSize)

    if (@SqlWhere='' or @sqlWhere=NULL)

    set @sql = 'Select * FROM (select ROW_NUMBER() Over(order by ' + @OrderField + ') as rowId,' + @Fields + ' from ' + @TableName

    else

    set @sql = 'Select * FROM (select ROW_NUMBER() Over(order by ' + @OrderField + ') as rowId,' + @Fields + ' from ' + @TableName + ' where ' + @SqlWhere

    --处理页数超出范围情况

    if @PageIndex<=0

    Set @pageIndex = 1

    if @pageIndex>@TotalPage

    Set @pageIndex = @TotalPage

    --处理开始点和结束点

    Declare @StartRecord int

    Declare @EndRecord int

    set @StartRecord = (@pageIndex-1)*@PageSize + 1

    set @EndRecord = @StartRecord + @pageSize - 1

    --继续合成sql语句

    set @Sql = @Sql + ') as ' + @TableName + ' where rowId between ' + Convert(varchar(50),@StartRecord) + ' and ' + Convert(varchar(50),@EndRecord)

    Exec(@Sql)

    ---------------------------------------------------

    If @@Error <> 0

    Begin

    RollBack Tran

    Return -1

    End

    Else

    Begin

    Commit Tran

    Return @totalRecord ---返回记录总数

    End

    end

    http://www.cnblogs.com/evernory/archive/2006/11/15/561254.html

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