create database chaoshixiaopiao4
go
use chaoshixiaopiao4
go--创建供应商的表格
create table gongying
(
gno   int primary key identity(1001,1) not null,--供应商编号
gname varchar(40),              --供应商名称
gdizhi varchar(40)              --供应商地址
)
--插入供应商内容
insert into gongying values('可口可乐公司','美国')
insert into gongying values('绿箭集团','天津')
insert into gongying values('康师傅集团','北京')
insert into gongying values('达利园集团','北京')
insert into gongying values('创达公司','深圳')--创建超市货架表格
create table huojia
(
hno    int primary key identity(10001,1) not null,--商品编号
hname  varchar(20),                               --商品名称
hjin    decimal(18,2),                            --商品进价
hshou   decimal(18,2),                            --商品售价
hshu   int,                                       --商品数量
hgno   int,                                       --商品供应商编号
)
insert into huojia values('可口可乐',2.5,3,20,1001)
insert into huojia values('零度',2,3,20,1001)
insert into huojia values('绿箭口香糖',1,1.5,20,1002)
insert into huojia values('康师傅方便面',3,3.5,20,1003)
insert into huojia values('达利园小面包',5,5.5,20,1004)
insert into huojia values('薯片',3,3.5,20,1005)--创建小票的表格
create table xiaopiao
(
xno  int primary key identity(1,1),
xhno  int,
xname varchar(20),
xhjia decimal(18,2),
xshu  int,
xzong decimal(18,2)
)create proc piao1
@shumu int,
@huohao int
as
begindeclare @count  int,@huoshu int,@sjia  decimal(18,2),@he    decimal(18,2),@huoname varchar(20),@ci intselect @huoshu=hshu from huojia where hno=@huohao;select @count=COUNT(*) from huojia where hno=@huohao; if @count>0   beginset @ci=@ci+1if @shumu>=0beginupdate huojia set hshu=(@huoshu+@shumu) where hno=@huohaoselect @huoname=hname from huojia where hno=@huohaoselect @sjia=hjin from huojia where hno=@huohaoset @he=@sjia*@shumuinsert into xiaopiao values(@huohao,@huoname,@sjia,@shumu,@he)select @ci=COUNT(*) from xiaopiaoselect xno as 小票号,xhno as 商品编号,xname as 商品名称,xhjia as 进价,xshu as 数量,xzong as 总价 from xiaopiaowhere xno=@ciendelsebeginset @shumu = -@shumuif  @shumu<=@huoshubeginupdate huojia set hshu=@huoshu-@shumu where hno=@huohaoselect @huoname=hname from huojia where hno=@huohaoselect @sjia=hshou from huojia where hno=@huohaoset @he=@sjia*@shumuinsert into xiaopiao values(@huohao,@huoname,@sjia,@shumu,@he)select @ci=COUNT(*) from xiaopiaoselect xno as 小票号,xhno as 商品编号,xname as 商品名称,xhjia as 单价,xshu as 数量,xzong as 总价 from xiaopiaowhere xno=@ciendelsebeginselect '此商品数量不足！'select hno as 商品编号,hname as 商品名称,hshou as 单价,hshu as 数量 from huojia endendendelseprint '超市无此商品！'end
goexec piao1  -2,10003exec piao1  -2,10002
exec piao1  -2,10001select * from xiaopiao