Kaisir

SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
 
CREATE proc [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 + ' with(nolock) 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 + ' with(nolock) 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 t where rowId between ' + Convert(varchar(50),@StartRecord) + ' and ' +  Convert(varchar(50),@EndRecord)
     print @sql
    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