ALTER proc [dbo].[GetD_OrderInfoCollectionForPaging]

(

@PageIndex int,     ----当前的页码

@PageSize int,  ----每页显示多少条

@RecordCount int output,----总条数

@PageCount int output , ----总页数

@TransactionType nvarchar(4000),-------交易类型编号

@BusinessStatus nvarchar(4000),----交易状态

@StrSeach nvarchar(4000),------搜索条件

----------排序标示：   0 无排序，1 升序 ，2 降序

@OrderNum char(1),--------按照数量排序的标示

@OrderMoney char(1),------按照金额排序的标示

@OrderCreate char(1),-----按照交易时间排序的标示

@OrderDiff char(1)----按照剩余时间排序的标示

)

as

begin

declare @JPWhere  varchar(4000)----条件字符串

declare @JPBy   varchar(4000) ----排序字符串(内层的)

declare @JPByOut  varchar(4000)----排序字符串(外层的)

declare @val nvarchar(4000)----定义一个参数用来接收T-SQL语句

declare @sql nvarchar(4000)----定义一个参数用来接收T-SQL语句

-----初次或者没有条件筛选，加载所有信息

IF(@TransactionType='0' and @BusinessStatus='0'  and (@StrSeach=''or  @StrSeach is null ) and @OrderNum='0' and @OrderMoney='0' and @OrderCreate='0' and @OrderDiff='0')

begin

set @JPWhere='where 1=1 '

set @JPBy=' order by o.CreateTime desc '

set @JPByOut=' order by t.CreateTime desc '

end

-----有条件进行筛选

else

begin

set @JPWhere='Where 1=1 '

set @JPBy='order by o.CreateTime desc  '

set @JPByOut=' order by t.CreateTime desc '

if(@TransactionType!='0')--按照类别查询

begin

set @JPWhere= @JPWhere+ ' and o.TransactionType

='+@TransactionType

end

if(@BusinessStatus!='0')--按照状态查询

begin

set @JPWhere=@JPWhere+' and

o.BusinessStatus='+@BusinessStatus

end

if(@StrSeach!='')---模糊查询

begin

set @JPWhere=@JPWhere+' and o.OrderCode like '''+ @StrSeach+'%'''  +' or p.ProjectName like

'''+@StrSeach+'%'''

end

if(@OrderNum='1')---按照数量排序

begin

set @JPBy=' order by  im.num asc '

set @JPByOut=' order by t.num asc '

end

if(@OrderNum='2')

begin

set @JPBy=' order by  im.num desc '

set @JPByOut=' order by t.num desc '

end

if(@OrderMoney='1')---按照金额排序

begin

set @JPBy=' order by  o.BusinessAmount asc '

set @JPByOut=' order by  t.BusinessAmount asc '

end

if(@OrderMoney='2')

begin

set @JPBy=' order by  o.BusinessAmount desc '

set @JPByOut=' order by  t.BusinessAmount desc '

end

if(@OrderCreate='1')---按照时间排序

begin

set @JPBy=' order by o.CreateTime asc '

set @JPByOut=' order by t.CreateTime asc '

end

if(@OrderCreate='2')

begin

set @JPBy=' order by o.CreateTime desc '

set @JPByOut=' order by t.CreateTime desc '

end

if(@OrderDiff='1')---按照剩余时间排序

begin

set @JPBy=' order by  DATEDIFF(HH,o.CreateTime,o.FinishDate) asc'

set @JPByOut=' order by t.Diff asc '

end

if(@OrderDiff='2')

begin

set @JPBy=' order by  DATEDIFF(HH,o.CreateTime,o.FinishDate) desc'

set @JPByOut=' order by t.Diff desc '

end

end

set @val='select @count=count(1) from( select ROW_NUMBER() over('

+@JPBy+ ') rowNumber, o.OrderCode,p.ProjectName,o.TransactionType,im.num,c.CustomerName sellerName,e.CustomerName buyName,o.BusinessAmount,'

+' o.CreateTime,DATEDIFF(HH,o.CreateTime,o.FinishDate) Diff,o.BusinessStatus'

+' from D_OrderInfo o'

+' left join D_ProjectInfo p on p.ProjectID=o.ProjectID'

+' left join (select i.ProjectID,COUNT(*) num from D_ProjectImageInfo i where i.IsDeleted=0 or i.IsDeleted is null group by i.ProjectID) im on im.ProjectID=o.ProjectID'

+' left join E_CustomerInfo c on c.CustomerID=o.Seller'

+' left join E_CustomerInfo e on e.CustomerID=o.CreatorID

'+@JPWhere+' ) t'

-----执行这条拼接的字符串

--exec(@val)

--print (@val)

----执行过以后，会创建出来一张全局表##temp(里面包含所有的条件过滤后的数据)

----查询出来总共的记录数

--select  @RecordCount = COUNT(1) from ##tablejp

EXEC sp_executesql @val,

N'@count int output',@RecordCount OUTPUT

----查询出来总共的页数

SET @PageCount = CEILING(@RecordCount * 1.0 / @PageSize)

----对查询的数据集进行分页

set @sql='select  OrderCode,TransactionType,BusinessAmount,

CreateTime,BusinessStatus,Convert(nvarchar,isnull(num,0))+'';''+isnull(sellerName,'''')+'';''+isnull(buyName,'''')+'';''+Convert(nvarchar,isnull(Diff,0))+'';''+isnull(ProjectName,'''') Remark

from (select ROW_NUMBER() over('

+@JPBy+ ') rowNumber, o.OrderCode,p.ProjectName,o.TransactionType,im.num,c.CustomerName sellerName,e.CustomerName buyName,o.BusinessAmount,

o.CreateTime,DATEDIFF(HH,o.CreateTime,o.FinishDate) Diff,o.BusinessStatus

from D_OrderInfo o

left join D_ProjectInfo p on p.ProjectID=o.ProjectID

left join (select i.ProjectID,COUNT(*) num from D_ProjectImageInfo i where i.IsDeleted=0 or i.IsDeleted is null group by i.ProjectID) im on im.ProjectID=o.ProjectID

left join E_CustomerInfo c on c.CustomerID=o.Seller

left join E_CustomerInfo e on e.CustomerID=o.CreatorID

'+@JPWhere+') t where rowNumber between ' + STR(@PageIndex * @PageSize + 1) + ' and ('

+ STR(@PageIndex + 1) + ') * ' + STR(@PageSize) + '

'+@JPByOut             print @sql  EXEC sp_executesql @sql end