数据库存储系统应用,超市小票系统
Posted 枫炎
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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 begin declare @count int, @huoshu int, @sjia decimal(18,2), @he decimal(18,2), @huoname varchar(20), @ci int select @huoshu=hshu from huojia where hno=@huohao; select @count=COUNT(*) from huojia where hno=@huohao; if @count>0 begin set @ci=@ci+1 if @shumu>=0 begin update huojia set hshu=(@huoshu+@shumu) where hno=@huohao select @huoname=hname from huojia where hno=@huohao select @sjia=hjin from huojia where hno=@huohao set @he=@sjia*@shumu insert into xiaopiao values(@huohao,@huoname,@sjia,@shumu,@he) select @ci=COUNT(*) from xiaopiao select 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 xiaopiao where xno=@ci end else begin set @shumu = -@shumu if @shumu<=@huoshu begin update huojia set hshu=@huoshu-@shumu where hno=@huohao select @huoname=hname from huojia where hno=@huohao select @sjia=hshou from huojia where hno=@huohao set @he=@sjia*@shumu insert into xiaopiao values(@huohao,@huoname,@sjia,@shumu,@he) select @ci=COUNT(*) from xiaopiao select 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 xiaopiao where xno=@ci end else begin select ‘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 end end end else print ‘超市无此商品!‘ end go exec piao1 -2,10003 exec piao1 -2,10002 exec piao1 -2,10001 select * from xiaopiao
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