SQLServer 分页存储过程(1)
/**
if exists (select * from sysobjects where name='page_sort')
drop proc page_sort
**/
create proc page_sort(
@Name nvarchar(100)='', --表名,如 pinyin
@PageSize int, --每页的记录数,默认为 10
@CurPage int=1, --表示当前页 1
@KeyField nvarchar(100)='', --关键字段名,默认为 ID,该字段要求是表中的索引 或 无重复和不为空的字段
@KeyAscDesc nvarchar(4)='', --关键字的升、降序,默认为升序 ASC , 降序为 DESC
@Fields nvarchar(500)='*', --所选择的列名,默认为全选
@Condition nvarchar(3000)='', --where 条件,默认为空
@Order nvarchar(200)='' --排序条件,默认为空
) with encryption as
if @Name = ''
begin
raiserror('请指定表名!',11,1)
return
end
if @PageSize <=0 or @CurPage <0
begin
raiserror('当前页数和每页的记录数都必须大于零!',11,1)
return
end
if @KeyAscDesc = 'DESC'
set @KeyAscDesc = '<'
else
set @KeyAscDesc = '>'
if @Condition <> ''
set @Condition = ' where ' + @Condition
declare @SQL nvarchar(3000)
set @SQL = ''
if @CurPage = 1
set @SQL = @SQL + 'SELECT Top ' + cast(@PageSize as nvarchar(20)) + ' ' + @Fields + ' FROM ' + @Name + @Condition + ' ' + @Order
else
begin
declare @iTopNum int
set @iTopNum = @PageSize * (@CurPage - 1)
set @SQL = @SQL + 'declare @sLastValue nvarchar(100)' + char(13)
set @SQL = @SQL + 'SELECT Top ' + cast(@iTopNum as nvarchar(20)) + '@sLastValue=' + @KeyField + ' FROM ' + @Name + @Condition + ' ' + @Order + char(13)
declare @Condition2 nvarchar(3000)
if @Condition = ''
set @Condition2 = ' where ' + @KeyField + @KeyAscDesc + '@sLastValue '
else
set @Condition2 = ' and ' + @KeyField + @KeyAscDesc + '@sLastValue '
set @SQL = @SQL + 'SELECT Top ' + cast(@PageSize as nvarchar(20)) + ' ' + @Fields + ' FROM ' + @Name + @Condition + @Condition2 + @Order
end
EXECUTE sp_executesql @SQL
go
调用:
exec page_sort 'venshop_sub',20,1,'sub_id','desc','*', 'sub_name=''zkarron''' ,'order by sub_date desc'