switch(i)
{
case 1:cin>>s->name;break;
case 2:cin>>s->tel;break;
case 3:cin>>s->email;break;
case 4:cin>>s->relation;
}
cout<<"更新成功！"<<endl;
cout<<s->name<<’\t’<<s->tel<<’\t’<<s->email<<’\t’<<s->relation<<endl;
break;
}
s=s->next;
}
}
//按关系显示记录
void ListInRela(Address*head)
{
char in_rela[10];
cout<<"请输入要显示的记录的关系:"<<endl;
cin>>in_rela;
while(head)
{
if(strcmp(head->relation,in_rela)==0) //比较是否相等。
{
cout<<head->name<<’\t’<<head->tel<<’\t’<<head->email<<’\t’<<head->relation<<’\n’;
}
head=head->next;
}
cout<<endl;
}
//保存记录
void KeepList(Address*head)
{
char fileName[80];
ofstream outstuf; //建立输出文件流对象
cout<<"请输入要保存记录的目的文件名：\n";
cin>>fileName;
outstuf.open(fileName,ios::out); //链接文件，指定打开方式
if(!outstuf) //调用重载算符函数测试流
{
cerr<<"文件无法打开。"<<endl;
abort();
}
cout<<"开始保存记录……"<<endl;
Address*s=head;
while(s) //向流插入数据
{
outstuf<<s->name<<’ ’<<s->tel<<’ ’<<s->email<<’ ’<<s->relation<<’\n’;
s=s->next;
}
outstuf.close(); //关闭文件
cout<<"记录已保存。"<<endl;
}
//读入记录
void ReadFile()
{
Address*sa=new Address;
ifstream instuf("d:\\file\\Phonebook.txt",ios::in); //打开文件
if(!instuf)
{
cerr<<"文件无法打开。"<<endl;
abort();
}
while(instuf>>sa->name>>sa->tel>>sa->email>>sa->relation) //提取数据
{
cout<<"读入成功，数据为："<<endl;
cout<<sa->name<<" "<<sa->tel<<" "<<sa->email<<" "<<sa->relation<<endl;
}
instuf.close(); //关闭文件
}
void main()
{
int choice=1;
Address*head=NULL;
cout<<"添加记录…………………………………………1"<<endl;
cout<<"显示记录…………………………………………2"<<endl;
cout<<"查询记录…………………………………………3"<<endl;
cout<<"通讯录排序………………………………………4"<<endl;
cout<<"删除记录…………………………………………5"<<endl;
cout<<"更新记录…………………………………………6"<<endl;
cout<<"按关系显示记录…………………………………7"<<endl;
cout<<"保存记录…………………………………………8"<<endl;
cout<<"读入记录…………………………………………9"<<endl;
cout<<"退出通讯录………………………………………0"<<endl;
cout<<"请输入相应的序号选择要执行的任务"<<endl;
while(cin>>choice)
{
switch(choice)
{
case 1:CreatList(head);continue;
case 2:ShowList(head);continue;
case 3:FindPerson(head);continue;
case 4:Bubble(head);continue;
case 5:MoveAway(head);continue;
case 6:ReSet(head);continue;
case 7:ListInRela(head);continue;
case 8:KeepList(head);continue;
case 9:ReadFile();continue;
}
if(choice==0)
{
cout<<"退出操作"<<endl;
break;
}
}
}
责任编辑：小草
