-- =============================================
-- Description: <高效分页存储过程,适用于Sql2005以上>
-- Notes: <排序字段强烈建议建索引>
-- Page2005'dyj_vclient','client_id,last_dt','client_id','last_dt','desc','',20,1,0
-- =============================================
CREATE Procedure [dbo].[sp_page]
@TableName varchar(2000), --表名
@Fields varchar(2000) = '*', --字段名(全部字段为*)
@PrimaryKey varchar(50), --主键
@OrderField varchar(500), --排序字段(必须!支持多字段)
@sqlWhere varchar(500) = 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 @sqlnvarchar(4000);
Declare @totalRecordint;
ifisnull(@PrimaryKey,'')=''
set @PrimaryKey='*'
--计算总记录数
if (@SqlWhere='' or@sqlWhere=NULL)
set @sql = 'select @totalRecord = count('+@PrimaryKey +') from ' + @TableName
else
set @sql = 'select @totalRecord = count('+@PrimaryKey +') 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 @StartRecordint
Declare @EndRecordint
set @StartRecord =(@pageIndex-1)*@PageSize + 1
set @EndRecord =@StartRecord + @pageSize - 1
--继续合成sql语句
set @Sql = @Sql + ') as[page_result_table] 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