利用c++做的课程设计（链表），在DEV C++等编译器上可通过
运行完毕后可自动保存信息输出文件
觉得还可以的话请点赞收藏哦
#include<iostream>
#include<fstream>
#include<string>
#include<iomanip>
#include<windows.h>
using namespace std;
enum GoodsType
{
Food=1,
Cosmetic,
Commodity,
Drink
};
struct Date
{
int year;
int month;
int day;
};
struct Goods
{
string code;
string name;
string brand;
double price;
int num;
GoodsType type;
Date date;
Goods *next;
};
class GoodsManage
{
public:
GoodsManage();
~GoodsManage(){}
void DisplayMainMenu();
void AddGoodsInfo();
void DisplayGoodsInfo();
void SearchByCode();
void SearchByName();
void DeleteGoodsInfo();
void SellGoodsInfo();
void SaveGoodsInfo();
private:
int amount;
int DeleteAmount;
Goods *head;
Goods *DeleteHead;
};
GoodsManage::GoodsManage()
{
amount=0;
DeleteAmount=0;
head=new Goods;
head->next=NULL;
DeleteHead=new Goods;
DeleteHead->next=NULL;
}
void GoodsManage::DisplayMainMenu()
{
cout<<" ━═☆┈━═☆┈━═☆┈━═☆┈━═☆┈━═☆┈━═☆┈━═☆━═☆n";
cout<<" ┋ ┋n";
cout<<" ┋ 欢迎使用商品库存管理系统 ┋n";
cout<<" ┋ ┋n";
cout<<" ┋ ┋n";
cout<<" ┋ 【商品进货】…(a) ┋n";
cout<<" ┋ ┋n";
cout<<" ┋ 【商品编辑】…(b) ┋n";
cout<<" ┋ ┋n";
cout<<" ┋ 【商品删除】…(c) ┋n";
cout<<" ┋ ┋n";
cout<<" ┋ 【按照编号查询】…(d) ┋n";
cout<<" ┋ ┋n";
cout<<" ┋ 【按照名称查询】…(e) ┋n";
cout<<" ┋ ┋n";
cout<<" ┋ 【商品出货】…(h) ┋n";
cout<<" ┋ ┋n";
cout<<" ┋ 【商品统计】…(i) ┋n";
cout<<" ┋ ┋n";
cout<<" ┋ 【信息保存】…(j) ┋n";
cout<<" ┋ ┋n";
cout<<" ┋ ┋n";
cout<<" ┋ 退出系统…(k) ┋n";
cout<<" ┋ ┋n";
cout<<" ━═☆┈━═☆┈━═☆┈━═☆┈━═☆┈━═☆┈━═☆┈━═☆━═☆n";
cout<<"n 请输入你要进行的操作编号:";
}
void GoodsManage::AddGoodsInfo()
{
char c,c1;
Goods *tail=head,*p;
bool flag;
cout<<" ☆☆☆☆☆☆现在进行商品信息的添加☆☆☆☆☆☆ "<<endl;
while(tail->next!=NULL)
tail=tail->next;
do
{
flag=0;
p=new Goods;
cout<<"请选择商品类别:"<<endl;
cout<<"1.食品 2.化妆品 3.日用品 4.饮料"<<endl;
cout<<"请输入相应编号:";
do
{
cin>>c1;
if(c1>='1'&&c1<='4')
flag=1;
else
{
cout<<"您输入的编号不存在！"<<endl;
cout<<"请选择正确的商品类别:"<<endl;
}
}while(flag==0);
if(c1=='1')p->type=Food;
if(c1=='2')p->type=Cosmetic;
if(c1=='3')p->type=Commodity;
if(c1=='4')p->type=Drink;
cout<<"商品类别("<<p->type<<")"<<endl;
cout<<"请输入商品编号: ";
cin>>p->code;
do
{
Goods *q=head->next;
while(q!=NULL&&q->code!=p->code)
q=q->next;
if(q==NULL)
flag=1;
else
{
cout<<"存在该编号的货物!!!请重新输入编号:";
cin>>p->code;
}
}while(flag==0);
cout<<"请输入商品名称：";
cin>>p->name;
cout<<"请输入生产厂家：";
cin>>p->brand;
cout<<"请输入商品价格：";
cin>>p->price;
cout<<"请输入商品数量：";
cin>>p->num;
cout<<"请输入入库时间（年/月/日）：";
cin>>p->date.year>>p->date.month>>p->date.day;
tail->next=p;
p->next=NULL;
tail=p;
amount++;
cout<<"数据输入成功！！！想继续添加吗(y/n):";
cin>>c;
while(c!='y'&&c!='n')
{
cout<<"指令错误！！！！！<请输入y/n>"<<endl;
cout<<"数据添加成功！！！想继续输入吗(y/n):";
cin>>c;
}
}while(c=='y');
cout<<endl;
cout<<"……信息处理完毕……"<<endl;
cout<<"……按任意键返回主菜单……"<<endl;
getchar();
getchar();
}
void GoodsManage::DisplayGoodsInfo()
{
Goods *p=head;
cout<<" ☆☆☆☆☆☆现在进行商品信息的浏览☆☆☆☆☆☆ "<<endl;
cout<<setiosflags(ios::left)<<setw(10)<<"编号"<<setw(16)<<"名称"<<setw(10)<<"生产厂家"<<setw(10)<<"价格"<<setw(10)<<
"商品类别"<<setw(10)<<"数量"<<setw(10)<<"入库时间"<<endl;
while(p->next!=NULL)
{
p=p->next;
cout<<setiosflags(ios::left)<<setw(10)<<p->code<<setw(16)<<p->name;
cout<<setw(10)<<p->brand<<setw(10)<<p->price<<setw(10)<<p->type;
cout<<setw(10)<<p->num<<p->date.year<<"/"<<p->date.month<<"/"<<p->date.day<<endl;
}
cout<<endl;
cout<<"……信息统计完毕……"<<endl;
cout<<"……按任意键返回主菜单……"<<endl;
getchar();
getchar();
}
void GoodsManage::SearchByCode()
{
Goods *p;
bool flag;
string FoundCode;
cout<<" ☆☆☆☆☆☆现在进行商品信息的查找☆☆☆☆☆☆ "<<endl;
p=head;
flag=0;
cout<<"请输入您要查找的商品编号：";
cin>>FoundCode;
while(p->next!=NULL)
{
p=p->next;
if(p->code==FoundCode)
{
flag=1;
cout<<setiosflags(ios::left)<<setw(10)<<"编号"<<setw(16)<<"名称"<<setw(10)<<"生产厂家"<<setw(10)<<"价格"<<setw(10)<<
"商品类别"<<setw(10)<<"数量"<<setw(10)<<"入库时间"<<endl;
cout<<setiosflags(ios::left)<<setw(10)<<p->code<<setw(16)<<p->name;
cout<<setw(10)<<p->brand<<setw(10)<<p->price<<setw(10)<<p->type;
cout<<setw(10)<<p->num<<p->date.year<<"/"<<p->date.month<<"/"<<p->date.day<<endl;
break;
}
}
if(flag==0)
{
cout<<"对不起，您查询的商品不存在！！！"<<endl;
}
cout<<endl;
cout<<"……信息查找完毕……"<<endl;
cout<<"……按任意键返回主菜单……"<<endl;
getchar();
getchar();
}
void GoodsManage::SearchByName()
{
Goods *p;
bool flag;
string FoundName;
cout<<" ☆☆☆☆☆☆现在进行商品信息的查找☆☆☆☆☆☆ "<<endl;
p=head;
flag=0;
cout<<"请输入您要查找的商品名称：";
cin>>FoundName;
while(p->next!=NULL)
{
p=p->next;
if(p->name==FoundName)
{
flag=1;
cout<<setiosflags(ios::left)<<setw(10)<<"编号"<<setw(16)<<"名称"<<setw(10)<<"生产厂家"<<setw(10)<<"价格"<<setw(10)<<
"商品类别"<<setw(10)<<"数量"<<setw(10)<<"入库时间"<<endl;
cout<<setiosflags(ios::left)<<setw(10)<<p->code<<setw(16)<<p->name;
cout<<setw(10)<<p->brand<<setw(10)<<p->price<<setw(10)<<p->type;
cout<<setw(10)<<p->num<<p->date.year<<"/"<<p->date.month<<"/"<<p->date.day<<endl;
break;
}
}
if(flag==0)
{
cout<<"对不起，您查询的商品不存在！！！"<<endl;
}
cout<<endl;
cout<<"……信息查找完毕……"<<endl;
cout<<"……按任意键返回主菜单……"<<endl;
getchar();
getchar();
}
void GoodsManage::DeleteGoodsInfo()
{
Goods *q=head,*p,*tail=DeleteHead;
p=new Goods;
char c;
string Dename;
bool flag=0;
while(tail->next!=NULL)
tail=tail->next;
cout<<" ☆☆☆☆☆☆现在进行商品信息的删除☆☆☆☆☆☆ "<<endl;
do
{
cout<<"请输入您要删除的商品名称：";
cin>>Dename;
while(q->next!=NULL&&q->next->name!=Dename)
q=q->next;
if(q->next!=NULL)
{
flag=1;
cout<<"确认删除吗？<y/n>";
cin>>c;
while(c!='y'&&c!='n')
{
cout<<"指令错误！！！！<请输入y/n>:";
cin>>c;
}
if(c=='y')
{
p=q->next;
q->next=q->next->next;
tail->next=p;
tail=p;
tail->next=NULL;
DeleteAmount++;
amount--;
cout<<"删除成功！！"<<endl;
}
else cout<<"取消成功！！！"<<endl;
}
if(flag==0)
{
cout<<"对不起，您删除的商品不存在！！！"<<endl;
}
cout<<"您想要继续删除吗？(y/n):";
cin>>c;
while(c!='y'&&c!='n')
{
cout<<"指令错误！！！<请输入y/n>:"<<endl;
cout<<"您想要继续删除吗？(y/n):";
cin>>c;
}
flag=0;
q=head;
}while(c=='y');
cout<<endl;
cout<<"……信息删除完毕……"<<endl;
cout<<"……按任意键返回主菜单……"<<endl;
getchar();
getchar();
}
void GoodsManage::SellGoodsInfo()
{
int sellNum,year,month,day;
double sellPrice,sum=0.0,profit=0.0;
char c;
Goods *p;
bool flag=0;
string SellName;
cout<<" ☆☆☆☆☆☆现在进行商品的出售☆☆☆☆☆☆ "<<endl;
do
{
p=head->next;
flag=0;
cout<<"请输入您要出售的商品名称：";
cin>>SellName;
while(p->next!=NULL&&p->name!=SellName)
p=p->next;
if(p->name==SellName)
{
flag=1;
cout<<setiosflags(ios::left)<<setw(10)<<"编号"<<setw(16)<<"名称"<<setw(10)<<"生产厂家"<<setw(10)<<"价格"<<setw(10)<<
"商品类别"<<setw(10)<<"数量"<<setw(10)<<"入库时间"<<endl;
cout<<setiosflags(ios::left)<<setw(10)<<p->code<<setw(16)<<p->name;
cout<<setw(10)<<p->brand<<setw(10)<<p->price<<setw(10)<<p->type;
cout<<setw(10)<<p->num<<p->date.year<<"/"<<p->date.month<<"/"<<p->date.day<<endl;
cout<<"确认出售吗？<y/n>";
cin>>c;
while(c!='y'&&c!='n')
{
cout<<"指令错误！！！！<请输入y/n>:";
cin>>c;
}
if(c=='y')
{
cout<<"请输入出售的商品数量：";
cin>>sellNum;
if(sellNum<=p->num)
{
p->num=p->num-sellNum;
cout<<"请输入出售的商品价格：";
cin>>sellPrice;
cout<<"请输入出货日期：";
cin>>year>>month>>day;
sum=sellNum*sellPrice;
profit=sellNum*(sellPrice-p->price);
cout<<"此次销售额为： "<<sum<<endl;
cout<<"此次利润为： "<<profit<<endl;
cout<<"出货日期为："<<year<<"/"<<month<<"/"<<day<<endl;
}
else
{
cout<<"库存不足！出库失败！"<<endl;
}
}
else cout<<"取消成功！"<<endl;
}
if(flag==0)
{
cout<<"对不起，您出售的货物不存在！！"<<endl;
}
cout<<"您想要继续出售吗？(y/n):";
cin>>c;
while(c!='y'&&c!='n')
{
cout<<"指令错误！！！<请输入y/n>:"<<endl;
cout<<"您想要继续出售吗？(y/n):";
cin>>c;
}
}while(c=='y');
cout<<endl;
cout<<"……出库完毕……"<<endl;
cout<<"……按任意键返回主菜单……"<<endl;
getchar();
getchar();
}
void GoodsManage::SaveGoodsInfo()
{
Goods *p=head;
cout<<" ☆☆☆☆☆☆现在进行商品信息的保存☆☆☆☆☆☆ "<<endl;
ofstream output("货物信息.txt",ios::out);
if(!output)
{
cerr<<"打开文件<货物信息.txt>失败！！！"<<endl;
}
cout<<setiosflags(ios::left)<<setw(10)<<"编号"<<setw(16)<<"名称"<<setw(10)<<"生产厂家"<<setw(10)<<"价格"<<setw(10)<<
"商品类别"<<setw(10)<<"数量"<<setw(10)<<"入库时间"<<endl;
output<<"商品总量为: "<<amount<<"n";
output<<setiosflags(ios::left)<<setw(10)<<"编号"<<setw(16)<<"名称"<<setw(10)<<"生产厂家"<<setw(10)<<"价格"<<setw(10)<<
"商品类别"<<setw(10)<<"数量"<<setw(10)<<"入库时间"<<endl;
while(p->next!=NULL)
{
p=p->next;
cout<<setiosflags(ios::left)<<setw(10)<<p->code<<setw(16)<<p->name;
cout<<setw(10)<<p->brand<<setw(10)<<p->price<<setw(10)<<p->type;
cout<<setw(10)<<p->num<<p->date.year<<"/"<<p->date.month<<"/"<<p->date.day<<endl;
output<<setiosflags(ios::left)<<setw(10)<<p->code<<setw(16)<<p->name;
output<<setw(10)<<p->brand<<setw(10)<<p->price<<setw(10)<<p->type;
output<<setw(10)<<p->num<<p->date.year<<"/"<<p->date.month<<"/"<<p->date.day<<endl;
}
cout<<endl;
cout<<"成功将货物信息保存到<货物信息.txt>"<<endl;
cout<<"……信息保存完毕……"<<endl;
cout<<"……按任意键返回主菜单……"<<endl;
getchar();
getchar();
output.close();
}
int main()
{
char c;
int i=0;
bool flag=0;
GoodsManage bm;
system("color f8");
cout<<endl<<endl<<endl<<endl<<endl<<endl<<" 欢迎使用库存管理系统......系统正在加载中";
Sleep(2000);
system("cls");
bm.DisplayMainMenu();
for(;;)
{
do
{
cin>>c;
if(c>='a'&&c<='k')
flag=1;
else
{
cout<<"您输入的编号不存在！"<<endl;
cout<<"请选择相应的数字进行操作:"<<endl;
}
}while(flag==0);
system("cls");
switch(c)
{
case'a':bm.AddGoodsInfo();
break;
case'c':bm.DeleteGoodsInfo();
break;
case'd':bm.SearchByCode();
break;
case'e':bm.SearchByName();
break;
case'h':bm.SellGoodsInfo();
break;
case'i':bm.DisplayGoodsInfo();
break;
case'j':bm.SaveGoodsInfo();
break;
case'k':exit(0);
break;
}
system("cls");
bm.DisplayMainMenu();
}
}
