--触发器
alter trigger tr_standardlog on t_standard
for insert,delete,update
as
--rowcnt
declare @rows int
set @rows=@@rowcount
set nocount on
--sql 存储执行的sql语句
create table #t (
eventtype varchar(20),
parameters int,
eventinfo varchar(300)
)
--获取sql语句
declare @spid varchar(20)
set @spid=cast(@@spid as varchar)
--optype
declare @optype int
set @optype=2 --update
if not exists (select 1 from inserted) set @optype=3 --delete
if not exists (select 1 from deleted) set @optype=1 --insert
if @optype=1
begin
insert into t_standardlog(sqltext,optype,createtime)
select 'insert into tbweigh(weighid,fid,cardno,stdnno,proname,promodel,unit_from,unit_to,transport,driver,'
+'package,gross_weight,tare_weight,net_weight,deduct,fact_weight,price,amount,unit,gross_time,'
+'tare_time,net_time,edit_time,opman_gross,opman_tare,opman,editman,scalename_gross,scalename_tare,'
+'scalename_net,transfer_date,transfer_user,remark,iscanceled,createtime)'
+'values(:weighid,'''+isnull(cast(a.f_id as nvarchar(18)),'null') +''','''+isnull(a.f_cardno,'null')+''','''+isnull(a.f_stdno,'null')+''','''+isnull(a.f_proname,'null')+''','''+isnull(a.f_promodel,'null')+''','''+isnull(a.f_unitfrom,'null')+''','''+isnull(a.f_unitto,'null')+''','''
+isnull(a.f_transport,'null')+''','''+isnull(a.f_driver,'null')+''','''+isnull(a.f_memo,'null')+''','+isnull(cast(a.f_gross as nvarchar(30)),'null')+','+isnull(cast(a.f_tare as nvarchar(30)),'null')+','
+isnull(cast(a.f_net as nvarchar(30)),'null')+','+isnull(cast(a.f_deduct as nvarchar(30)),'null')+','+isnull(cast(a.f_fact as nvarchar(30)),'null')+','
+isnull(cast(a.f_price as nvarchar(30)),'null')+','+isnull(cast(a.f_money as nvarchar(30)),'null')+','''+isnull(a.f_unit,'null')+''','''+isnull(cast(a.f_grosstime as nvarchar(30)),'null')+''','''
+isnull(cast(a.f_taretime as nvarchar(30)),'null')+''','''+isnull(cast(a.f_nettime as nvarchar(30)),'null')+''','''+isnull(cast(a.f_edtime as nvarchar(30)),'null')+''','''
+isnull(a.f_opmangross,'null')+''','''+isnull(a.f_opmantare,'null')+''','''+isnull(a.f_opman,'null')+''','''+isnull(cast(a.f_edtime as nvarchar(30)),'null')+''','''+isnull(a.f_scalenamegross,'null')+''','''+isnull(a.f_scalenametare,'null')+''','''
+isnull(a.f_scalenamenet,'null')+''',sysdate,:userid,:remark,'+isnull(cast(a.f_iscancel as nvarchar(1)),'null')+',:createtime'
+');','insert',getdate()
from inserted a
end
else if @optype=3 or @optype=2
begin
insert #t exec('dbcc inputbuffer ('+@spid+')')
insert into t_standardlog(sqltext,optype,createtime) --把执行的sql语句存储在临时表中
select t.eventinfo,case @optype when 1 then 'insert' when 2 then 'update' when 3 then 'delete' else ''end,getdate() from #t t --从临时表中提取触发的sql语句
end
go
set quoted_identifier off
go
set ansi_nulls on
go
触发器会把数据临时存储在inserted和deleted表中，inserted 和deleted表是逻辑表，只有在触发器中才存在，触发器结束了，就会自动删除，如果是insert操作，则新添加的数据存储在inserted表中，如果是update操作，其实相当于先删除然后再插入，即在deleted表中记录原来的记录，在inserted表中记录更新后的数据，如果是deleted操作，则删除的数据被记录在deleted表中。
SmartB2B 是一款基于PHP、MySQL、Smarty的B2B行业电子商务网站管理系统，系统提供了供求模型、企业模型、产品模型、人才招聘模型、资讯模型等模块，适用于想在行业里取得领先地位的企业快速假设B2B网站，可以运行于Linux与Windows等多重服务器环境，安装方便，使用灵活。 系统使用当前流行的PHP语言开发，以MySQL为数据库，采用B/S架构，MVC模式开发。融入了模型化、模板
