我又修改了一下，帮忙看看[/code]
#include<iostream>
#include<fstream>
#include<string>
#include<iomanip>
using namespace std;
#define M 200 //可以存信息总量
int N=0; //蔬菜总量
class vegetable
{public:
vegetable() {}
void set();//菜品信息录入功能
void display();//菜品信息显示功能
void search();//查询功能
void change();//修改功能
void remove();//删除菜品功能
private:
int id;
string greens,canteen,style;
int windows,number,DurabilityPeriod,year,month,day;
double price;
};
//菜品信息录入功能
void vegetable::set()
{int i,set_id;
string set_canteen,set_greens,set_style;
int set_windows,set_number,set_DurabilityPeriod,set_year,set_month,set_day;
double set_price;
ofstream outfile;
outfile.open("v1.txt",ios::out);//----打开文件----
if(!outfile)
{cerr<<"open error"<<endl;
exit(1);
}
//----依次录入与蔬菜相关的信息----
for(i=0;i<M;i++)
{
cout<<"当输入菜品名称为'0'时，结束输入！"<<endl;
cout<<"请输入菜品名称"<<endl;
cin>>set_greens;
greens=set_greens;
if(set_greens=="0") break;
if(set_greens!="0")
{ N++;
outfile<<set_greens<<" ";
cout<<"請输入id："<<endl;
cin>>set_id;
id=set_id;
outfile<<set_id<<" ";
cout<<"请输入食堂名称"<<endl;
cin>>set_canteen;
canteen=set_canteen;
outfile<<set_canteen<<" ";
cout<<"请输入窗口名称"<<endl;
cin>>set_windows;
windows=set_windows;
outfile<<set_windows<<" ";
cout<<"请输入该菜品的价格"<<endl;
cin>>set_price;
price=set_price;
outfile<<set_price<<" ";
cout<<"请输入该菜品的菜系"<<endl;
cin>>set_style;
style=set_style;
outfile<<set_style<<" ";
cout<<"请输入该菜品的数量（以份为单位）"<<endl;
cin>>set_number;
number=set_number;
outfile<<set_number<<" ";
cout<<"请输入该菜品的保质期(多少天)"<<endl;
cin>>set_DurabilityPeriod;
DurabilityPeriod=set_DurabilityPeriod;
outfile<<set_DurabilityPeriod<<" ";
cout<<"请输入该菜品的上架时间"<<endl;
cout<<"年:";
cin>>set_year;
cout<<"月:";
cin>>set_month;
cout<<"日:";
cin>>set_day;
}
}
outfile.close(); //----关闭文件----
}
//查询功能
void vegetable::search()
{
int i,n,w=0,windows[M],ch;
string search_greens,c[M],greens[M],canteen[M],price[M],style[M],number[M],DurabilityPeriod[M],b[M][M];
cout<<"1.按菜品名称查询 2.按窗口名称查询"<<endl;
ifstream infile("v1.txt",ios::in);
if(!infile)
{
cerr<<"open error"<<endl;
exit(1);
}
for(i=0;i<N;i++)
{infile>>canteen[i];c[i]=canteen[i];
infile>>windows[i];b[i][0]=windows[i];
infile>>greens[i];b[i][1]=greens[i];
infile>>style[i];b[i][2]=style[i];
infile>>number[i];b[i][3]=number[i];
infile>>price[i];b[i][4]=price[i];
infile>>DurabilityPeriod[i];b[i][6]=DurabilityPeriod[i];
}
cout<<"请输入1或者2来进行查询!"<<endl;
cin>>ch;
if(ch==1)
{
cout<<"请输入菜品名！"<<endl;
cin>>search_greens;
for(i=0;i<N;i++)
if(canteen[i]==search_greens)
{
w=1;
cout<<" 食堂 窗口 菜品 菜系 数量 价格 上架时间 保质期 "<<endl;
cout<<" ";
cout<<canteen[i];
cout<<setw(9)<<b[i][0];
cout<<setw(9)<<b[i][1];
cout<<setw(9)<<b[i][2];
cout<<setw(9)<<b[i][3];
cout<<setw(9)<<b[i][4];
cout<<setw(9)<<b[i][5];
cout<<setw(12)<<b[i][6];
}
if(w==0) cout<<"该菜品未上架！"<<endl;
}
if(ch==2)
{cout<<"请输入窗口名称：";
cin>>n;
for(i=0;i<N;i++)
if(windows[i]==n)
{ w=1;
cout<<" 食堂 窗口 菜品 菜系 数量 价格 上架时间 保质期 "<<endl;
cout<<" ";
cout<<canteen[i];
cout<<setw(9)<<b[i][0];
cout<<setw(9)<<b[i][1];
cout<<setw(9)<<b[i][2];
cout<<setw(9)<<b[i][3];
cout<<setw(9)<<b[i][4];
cout<<setw(9)<<b[i][5];
cout<<setw(12)<<b[i][6];
}
if(w==0) cout<<"该菜品未上架！"<<endl;
}
}
//修改功能
void vegetable::change()
{ int i,k;
int windows[M];
string greens[M],canteen[M],price[M],style[M],number[M],DurabilityPeriod[M],time[M],b[M][M];
ifstream infile("v1.txt",ios::in);
if(!infile)
{
cerr<<" open error"<<endl;
exit(1);
}
for(i=0;i<N;i++)
{cout<<" ";
infile>>canteen[i];
cout<<setw(9)<<canteen[i];
infile>>windows[i];
cout<<setw(9)<<windows[i];
infile>>greens[i];
cout<<setw(9)<<greens[i];
infile>>style[i];
cout<<setw(9)<<style[i];
infile>>number[i];
cout<<setw(9)<<number[i];
infile>>price[i];
cout<<setw(9)<<price[i];
infile>>time[i];
cout<<setw(9)<<time[i];
infile>>DurabilityPeriod[i];
cout<<setw(9)<<DurabilityPeriod[i]<<endl;
}
infile.close();
ofstream outfile("v1.txt",ios::out);
if(!outfile)
{cerr<<"open erro"<<endl;
exit(1);
}
cout<<"你想修改第几个数据?"<<endl;
cin>>k;
k=k-1;
cout<<"请输入新的数据："<<endl;
cout<<"请输入食堂名："<<endl;
cin>>canteen[k];
cout<<"请输入窗口名："<<endl;
cin>>windows[k];
cout<<"请输入菜品名："<<endl;
cin>>greens[k];
cout<<"请输入菜系名："<<endl;
cin>>style[k];
cout<<"请输入该菜品的数量（以份为单位）"<<endl;
cin>>number[k];
cout<<"请输入该菜品的价格"<<endl;
cin>>price[k];
cout<<"请输入该菜品的保质期"<<endl;
cin>>DurabilityPeriod[k];
for(i=0;i<N;i++)
{
outfile<<canteen[i]<<" ";
outfile<<windows[i]<<" ";
outfile<<greens[i]<<" ";
outfile<<style[i]<<" ";
outfile<<number[i]<<" ";
outfile<<price[i]<<" ";
outfile<<DurabilityPeriod[i]<<" "<<endl;
}
outfile.close();
cout<<"修改成功!"<<endl;
}
//删除菜品功能
void vegetable::remove()
{
int k,i;
int windows[M];
string greens[M],canteen[M],price[M],style[M],number[M],DurabilityPeriod[M],time[M],b[M][M];
ifstream infile("v1.txt",ios::in);
if(!infile)
{
cerr<<" open error"<<endl;
exit(1);
}
for(i=0;i<N;i++)
{cout<<" ";
infile>>canteen[i];
cout<<setw(9)<<canteen[i];
infile>>windows[i];
cout<<setw(9)<<windows[i];
infile>>greens[i];
cout<<setw(9)<<greens[i];
infile>>style[i];
cout<<setw(9)<<style[i];
infile>>number[i];
cout<<setw(9)<<number[i];
infile>>price[i];
cout<<setw(9)<<price[i];
infile>>time[i];
cout<<setw(9)<<time[i];
infile>>DurabilityPeriod[i];
cout<<setw(9)<<DurabilityPeriod[i]<<endl;
}
cout<<"需要删除第几个？"<<endl;
cin>>k;
k=k-1;
infile.close();
ofstream outfile("v1.txt",ios::out);
if(!outfile)
{
cerr<<"open error"<<endl;
exit(1); //退出程序
}
//----将数组存取的信息输出到文件中去----
for(i=0;i<N;i++)
{
if(i!=k)
{
outfile<<canteen[i]<<" ";
outfile<<windows[i]<<" ";
outfile<<greens[i]<<" ";
outfile<<style[i]<<" ";
outfile<<number[i]<<" ";
outfile<<price[i]<<" ";
outfile<<DurabilityPeriod[i]<<" "<<endl;
}
}
outfile.close();
N=N-1;
cout<<"已删除成功!"<<endl;
}
//菜品信息显示功能
void vegetable::display()
{
int k;
int windows;
string greens,canteen,price,style,number,DurabilityPeriod;
ifstream infile("v1.txt",ios::in);
if(!infile)
{
cerr<<" open error"<<endl;
exit(1);
}
cout<<" 食堂 窗口 菜品 菜系 数量 价格 上架时间 保质期 "<<endl;
for(k=0;k<N;k++)
{cout<<" ";
infile>>canteen;
cout<<setw(9)<<canteen;
infile>>windows;
cout<<setw(9)<<windows;
infile>>greens;
cout<<setw(9)<<greens;
infile>>style;
cout<<setw(9)<<style;
infile>>number;
cout<<setw(9)<<number;
infile>>price;
cout<<setw(9)<<price;
infile>>DurabilityPeriod;
cout<<setw(9)<<DurabilityPeriod<<endl;
}
infile.close();
}
vegetable vegetable_1;
void main()
{
char ch;
void menu();
menu();
cin>>ch;
while(ch!='0')
{
system("cls");
switch(ch)
{case'1':vegetable_1.set();break;
case'2':vegetable_1.search();break;
case'3':vegetable_1.change();break;
case'4':vegetable_1.remove();break;
//case'5':vegetable_1.sort();break;
case'6':vegetable_1.display();break;
case'0':cout<<"退出系统!";break;
default:cout<<"没有该选项!"<<endl;break;
}
menu();
cin>>ch;
}
}
void menu()
{
cout<<"***************食堂菜品管理信息系统***************"<<endl;
cout<<"*1.菜品信息录入功能************************"<<endl;
cout<<"*2.查询功能(按菜品名称查询/按窗口名称查询)*"<<endl;
cout<<"*3.修改功能********************************"<<endl;
cout<<"*4.删除菜品功能****************************"<<endl;
//cout<<"* 5.查询 *"<<endl;
cout<<"*6.显示全部信息****************************"<<endl;
cout<<"*0.退出************************************"<<endl;
cout<<"*******************************************"<<endl;
}
