c++高手救命啊..我课程设计检查了半天不知道哪些地方出问题了..我快崩溃了..

[oooooa1]

#include<iostream>
#include<cstring>
using namespace std;
class tv
{
protected:
float price;
char classic[20];
public:
tv();
tv(tv&p0);
~tv(){}

virtual void setprice();
float getprice();
void setclassic();
char* getclassic();
friend class company;
};


class dvd:public tv
{

public:
dvd();

~dvd(){}
friend class company;
};


class tvdvd:public dvd
{
public:
tvdvd();
~tvdvd(){}
void setprice();
friend class company;
};


class company
{
public:
company();
void search(tv [],dvd [],tvdvd []);

void add(tv [],dvd [],tvdvd []);
void change(tv [],dvd [],tvdvd []);

};
tv::tv()
{
price=0.0;
}
tv::tv(tv&p0)
{price=p0.price;
classic[20]=p0.classic[20];
}
void tv::setclassic()
{char classics[20];
cin>>classics;
strcpy(classic,classics);
}

void tv::setprice()
{
float pri;
cin>>pri;
price=pri;
}

float tv::getprice()
{
return price;
}

char* tv::getclassic()
{
return classic;
}

dvd::dvd()
{}


tvdvd::tvdvd()
{}


void tvdvd::setprice()
{
price=(tv::price+dvd::price)*0.8;
}

company::company()
{}
void company::add(tv a0[3],dvd a1[3],tvdvd a2[3])
{

int s;
int a;
int i=3;
loop:
cout<<"请输入要添加的产品:"<<endl<<"1.电视机"<<endl<<"2.DVD"<<endl
<<"3.带DVD的电视机"<<endl;
cin>>a;
if(a==1)
{
cout<<"请输入要添加的电视品牌名:"<<endl;
i++;
a0[i].setclassic();
cout<<"添加成功!"<<endl;
}
else
if(a==2)
{cout<<"请输入要添加的DVD品牌名:"<<endl;
i++;
a1[i].setclassic();
cout<<"添加成功!"<<endl;
}
else
if(a==3)
{cout<<"请输入要添加的带DVD的电视品牌名:"<<endl;
i++;
a2[i].setclassic();
cout<<"添加成功!"<<endl;
}
else
cout<<"errors!"<<endl;
cout<<"保存信息?"<<endl<<"1.yes"<<endl<<"2.no"<<endl;
cin>>s;
if(s==2)
goto loop;

}





void company::change(tv a0[3],dvd a1[3],tvdvd a2[3])
{

int cha;
int s;
int i;
cout<<"请选择要修改的产品:"<<endl<<"1.电视机"<<endl<<"2.DVD"<<endl
<<"3.带DVD的电视机"<<endl;
cin>>cha;
loop:
if(cha==1)
{
cout<<"请选择要修改的电视品牌名:"<<endl;
for(i=0;i<3;i++)
{
cout<<i<<"."<<a0[i].getclassic()<<endl;
}

cin>>i;

a0[i].setclassic();


cout<<"修改成功!"<<endl;
}
else
if(cha==2)
{
cout<<"请选择要修改的DVD品牌名:"<<endl;
for(i=0;i<3;i++)
{
cout<<i<<"."<<a1[i].getclassic()<<endl;
}

cin>>i;
a1[i].setclassic();
cout<<"修改成功!"<<endl;
}
else
if(cha==3)
{cout<<"请输入要修改的带DVD的电视品牌名:"<<endl;
for(i=0;i<3;i++)
{
cout<<i<<"."<<a2[i].getclassic()<<endl;
}

cin>>i;
a2[i].setclassic();
cout<<"修改成功!"<<endl;
}
else
cout<<"errors!"<<endl;
cout<<"保存信息?"<<endl<<"1.yes"<<endl<<"2.no"<<endl;
cin>>s;
if(s==2)
goto loop;




}


void company::search(tv a0[3],dvd a1[3],tvdvd a2[3])
{
int a;
char se;
char classics1[20];
int i=3;
int s;

loop:
cout<<"请输入要查找的产品:"<<endl;


for(i=0;i<3;i++)
{
cin>>classics1;

if(classics1==a0[i].getclassic())
cout<<a0[i].getprice();
else
cout<<"errors!"<<endl;
}
for(i=0;i<3;i++)
{
cin>>classics1;

if(classics1==a1[i].getclassic())
cout<<a1[i].getprice();
else
cout<<"errors!"<<endl;
}
for(i=0;i<3;i++)
{
cin>>classics1;

if(classics1==a2[i].getclassic())
cout<<a2[i].getprice();
else
cout<<"errors!"<<endl;
cout<<"保存信息?"<<endl<<"1.yes"<<endl<<"2.no"<<endl;
cin>>s;
if(s==2)
goto loop;
}



int main()
{
tv *ptr1=new t[3];
dvd *ptr2=new d[3];
tvdvd *ptr3=new td[3];
company com;
int i,j,k;


char c;

for(j=0;j<3;j++)
{
cout<<"设置电视机"<<j<<"价格"<<endl;
t[j].setprice();
cout<<"设置电视机"<<j<<"品牌"<<endl;
t[j].setclassic();
}
for(j=0;j<3;j++)
{
cout<<"设置DVD"<<j<<"价格"<<endl;
d[j].setprice();
cout<<"设置DVD"<<j<<"品牌"<<endl;
d[j].setclassic();
}

for(j=0;j<3;j++)
{
cout<<"设置带DVD的电视机"<<j<<"价格"<<endl;
td[j].setprice();
cout<<"设置带DVD的电视机"<<j<<"品牌"<<endl;
td[j].setclassic();
}
cout<<"请选择您所需要的服务"<<endl<<" 1.添加单个品牌信息"<<endl<<" 2.删除信息"<<endl<<" 3.查找各品牌价格信息"<<endl<<" 4.显示所有信息"<<endl;
cin>>k;
if(k==1)
com.add(tv t[3],dvd d[3],tvdvd td[3]);




else if(k==2)
{
loop:
cout<<"1.删除电视机信息"<<endl<<"2.删除DVD信息"<<endl<<"3.删除TVDVD信息"<<endl;
cin>>i;
if(i==1)
delete[ ] ptr1;
if(i==2)
delete[ ] ptr2;
if(i==3)
delete[ ] ptr3;
cout<<"保存信息?"<<endl<<"1.yes"<<endl<<"2.no"<<endl;
cin>>s;
if(s==1)
goto loop;
}
else if(k==3)
com.search(tv t[3],dvd d[3],tvdvd td[3]);
else if(k==4)
{
cout>>"显示所有产品信息">>endl;
for(i=0;i<3;i++)
{
cout>>a1[i].getclassic()>>"牌电视机价格为：">>a1[i].getprice()>>endl;
cout>>a2[i].getclassic()>>"牌DVD价格为：">>a2[i].getprice()>>endl;
cout>>a1[i].getclassic()>>"牌带DVD的电视机价格为：">>a1[i].getprice()>>endl;
}
}

}

[JoyerHuang_悦]

您也太内行了，这么长的代码连一行注释也没有。。
这样的代码别人（包括在下）是不太乐意去看的。。

你应当整理一下，在某些地方写明自己的意图。再请别人帮你看代码。。
说不定，在你写注释的过程中，你就自己解决了问题了。。
写程序不写注释，结果就像现在这样，出了错误不好排查。。

[besthyq]

老兄，函数注释一下吧。。

[quickreport]

/*
帮你整理了代码对齐，有的地方漏了花括号，修改了部分代码，现在可以编译通过，但tvdvd类的setprice函数算法有错误，不是这样算的，自己修改吧，可能还有其他错误，你自己测试，做编程怎么能这样马虎了事？！
*/

#include<iostream>
#include<cstring>
#include <cstdlib>

using namespace std;

class tv
{
protected:
float price;
char classic[20];
public:
tv();
tv(tv&p0);
~tv(){}

virtual void setprice();
float getprice();
void setclassic();
char* getclassic();
friend class company;
};


class dvd:public tv
{

public:
dvd();
~dvd(){}
friend class company;
};


class tvdvd:public dvd
{
public:
tvdvd();
~tvdvd(){}
void setprice();
friend class company;
};


class company
{
public:
company();
void search(tv [],dvd [],tvdvd []);

void add(tv [],dvd [],tvdvd []);
void change(tv [],dvd [],tvdvd []);

};
tv::tv()
{
price=0.0;
}
tv::tv(tv&p0)
{
price=p0.price;
classic[20]=p0.classic[20];
}
void tv::setclassic()
{
char classics[20];
cin>>classics;
strcpy(classic,classics);
}

void tv::setprice()
{
float pri;
cin>>pri;
price=pri;
}

float tv::getprice()
{
return price;
}

char* tv::getclassic()
{
return classic;
}

dvd::dvd()
{
}


tvdvd::tvdvd()
{
}


void tvdvd::setprice()
{
price=(tv::price+dvd::price)*0.8;
}

company::company()
{
}

void company::add(tv a0[3],dvd a1[3],tvdvd a2[3])
{

int s;
int a;
int i=3;
loop:
cout<<"请输入要添加的产品:"<<endl<<"1.电视机"<<endl<<"2.DVD"<<endl
<<"3.带DVD的电视机"<<endl;
cin>>a;
if(a==1)
{
cout<<"请输入要添加的电视品牌名:"<<endl;
i++;
a0[i].setclassic();
cout<<"添加成功!"<<endl;
}
else
{
if(a==2)
{
cout<<"请输入要添加的DVD品牌名:"<<endl;
i++;
a1[i].setclassic();
cout<<"添加成功!"<<endl;
}
else
{
if(a==3)
{
cout<<"请输入要添加的带DVD的电视品牌名:"<<endl;
i++;
a2[i].setclassic();
cout<<"添加成功!"<<endl;
}
else
cout<<"errors!"<<endl;
}
cout<<"保存信息?"<<endl<<"1.yes"<<endl<<"2.no"<<endl;
cin>>s;
if(s==2)
goto loop;

}
}

void company::change(tv a0[3], dvd a1[3], tvdvd a2[3])
{

int cha;
int s;
int i;
cout<<"请选择要修改的产品:"<<endl<<"1.电视机"<<endl<<"2.DVD"<<endl;
cout<<"3.带DVD的电视机"<<endl;
cin>>cha;
loop:
if(cha==1)
{
cout<<"请选择要修改的电视品牌名:"<<endl;
for(i=0;i<3;i++)
{
cout<<i<<"."<<a0[i].getclassic()<<endl;
}

cin>>i;

a0[i].setclassic();


cout<<"修改成功!"<<endl;
}
else
{
if(cha==2)
{
cout<<"请选择要修改的DVD品牌名:"<<endl;
for(i=0;i<3;i++)
{
cout<<i<<"."<<a1[i].getclassic()<<endl;
}

cin>>i;
a1[i].setclassic();
cout<<"修改成功!"<<endl;
}
else
{
if(cha==3)
{
cout<<"请输入要修改的带DVD的电视品牌名:"<<endl;
for(i=0;i<3;i++)
{
cout<<i<<"."<<a2[i].getclassic()<<endl;
}

cin>>i;
a2[i].setclassic();
cout<<"修改成功!"<<endl;
}
else
cout<<"errors!"<<endl;
cout<<"保存信息?"<<endl<<"1.yes"<<endl<<"2.no"<<endl;
cin>>s;
if(s==2)
goto loop;
}
}
}


void company::search(tv a0[3],dvd a1[3],tvdvd a2[3])
{
int a;
char se;
char classics1[20];
int i=3;
int s;

loop:
cout<<"请输入要查找的产品:"<<endl;


for(i=0;i<3;i++)
{
cin>>classics1;

if(classics1==a0[i].getclassic())
cout<<a0[i].getprice();
else
cout<<"errors!"<<endl;
}
for(i=0;i<3;i++)
{
cin>>classics1;

if(classics1==a1[i].getclassic())
cout<<a1[i].getprice();
else
cout<<"errors!"<<endl;
}
for(i=0;i<3;i++)
{
cin>>classics1;

if(classics1==a2[i].getclassic())
cout<<a2[i].getprice();
else
cout<<"errors!"<<endl;
cout<<"保存信息?"<<endl<<"1.yes"<<endl<<"2.no"<<endl;
cin>>s;
if(s==2)
goto loop;
}
}


int main()
{
tv *t=new tv[3];
dvd *d=new dvd[3];
tvdvd *td=new tvdvd[3];
company com;
int i,j,k;


char c;

for(j=0;j<3;j++)
{
cout<<"设置电视机"<<j<<"价格"<<endl;
t[j].setprice();
cout<<"设置电视机"<<j<<"品牌"<<endl;
t[j].setclassic();
}
for(j=0;j<3;j++)
{
cout<<"设置DVD"<<j<<"价格"<<endl;
d[j].setprice();
cout<<"设置DVD"<<j<<"品牌"<<endl;
d[j].setclassic();
}

for(j=0;j<3;j++)
{
cout<<"设置带DVD的电视机"<<j<<"价格"<<endl;
td[j].setprice();
cout<<"设置带DVD的电视机"<<j<<"品牌"<<endl;
td[j].setclassic();
}
cout<<"请选择您所需要的服务"<<endl<<" 1.添加单个品牌信息"<<endl<<" 2.删除信息"<<endl<<" 3.查找各品牌价格信息"<<endl<<" 4.显示所有信息"<<endl;
cin>>k;
if(k==1)
com.add(t,d,td);
else if(k==2)
{
loop:
cout<<"1.删除电视机信息"<<endl<<"2.删除DVD信息"<<endl<<"3.删除TVDVD信息"<<endl;
cin>>i;
if(i==1)
delete[ ] t;
if(i==2)
delete[ ] d;
if(i==3)
delete[ ] td;
cout<<"保存信息?"<<endl<<"1.yes"<<endl<<"2.no"<<endl;
int s;
cin>>s;
if(s==1)
goto loop;
}
else if(k==3)
com.search(t,d,td);
else if(k==4)
{
cout<<"显示所有产品信息"<<endl;
for(i=0;i<3;i++)
{
cout<<t[i].getclassic()<<"牌电视机价格为："<<t[i].getprice()<<endl;
cout<<d[i].getclassic()<<"牌DVD价格为："<<d[i].getprice()<<endl;
cout<<td[i].getclassic()<<"牌带DVD的电视机价格为："<<td[i].getprice()<<endl;
}
}
system("pause");
return 0;
}

[guanlicome]

天啊,不加注释别人怎么看.

[powerbamboo]

还有，出什么问题了？？