我的Save和Read函数好像不行
下面是我的完整代码
求求哪位大佬帮我加这两个函数，课设要答辩了，来不及辽！！！！
#include <iostream>
#include <string>
#include <fstream>
#include <string>
using namespace std;
typedef int contacttype;
class contact{
public:
string name;
string address;
string phonenum;
contact *next;
contacttype ctype;
contact(){
name="0";
address="0";
phonenum="0";
ctype=0;
next=NULL;
}
};
//定义联系人结点类
class contactlist{
public:
contact *head;
contactlist(){
head=new contact();
}
void Mainscreen(contact *dead);
void UserReg(contact *head);
void Login(contact *head);
void Title();
void Assert(contact *head);
void Search(contact *head);
void Delete(contact *head);
void Change(contact *head);
void Show(contact *head);
void TypeShow(contact *head);
friend void typeshow(contact *head,int choice);
void Save(contact *head);
void Read(contact *head);
};//定义联系人链表类
void contactlist::UserReg(contact *head)
{
system("cls");
FILE *fp;
char Linedata[50]={0},User[20],Pass[20];
fp = fopen("data.dat","at");
cout<<"******欢迎进入新账号注册新账号注册:******"<<endl;
cout<<"请输入用户名:";
fflush(stdin);
gets(User);
cout<<"请输入密码:";
fflush(stdin);
gets(Pass);
strcpy(Linedata,User);
strcat(Linedata,",");
strcat(Linedata,Pass);
strcat(Linedata,"\n");
fputs(Linedata,fp);
fclose(fp);
cout<<"注册成功!"<<endl;
system("pause");
system("cls");
Title();
cout<<"等待转入登陆界面………………"<<endl;
Login(head);
}
void contactlist::Login(contact *head)//登陆
{
FILE *fp;
int find=0;
char User[20],Pass[20],Userstrcat[50]={0};
char c,Userdata[50]={0};
fp = fopen("data.dat","r");
cout<<"用户登录:"<<endl;
cout<<"请输入用户名:";
fflush(stdin);
gets(User);
cout<<"请输入密码:";
fflush(stdin);
gets(Pass);
strcpy(Userstrcat,User);
strcat(Userstrcat,",");
strcat(Userstrcat,Pass);
strcat(Userstrcat,"\n");
while (!feof(fp))
{
fgets(Userdata,19,fp);
if (strcmp(Userdata,Userstrcat)==0 )
{
cout<<"登录成功!"<<endl;
find=1;
Read(head); //登陆成功后读取文件信息，保存在head链表里
system("cls");
Title();
Mainscreen(head);
}
fclose(fp);
if (!find)
{
cout<<"用户名不存在或密码错误"<<endl;
cout<<"请选择重新登陆(按数字1）或者注册新账号（按数字2）：";
cin>>c;
if(c=='1') Login(head);
else if(c=='2') contactlist::UserReg(head);
}
}
void contactlist::Save(contact *head)
{
FILE *fp;
contact *point;
point=head;
fp=fopen("G:\\temp - 副本2\\lin.txt","wb+");
if(fp==NULL)
{
cout<<"can not open file"<<endl;
exit(0);
}
else{
while (point)
{
fwrite(point, sizeof(class contact),1, fp);
point=point->next;
}
}
fclose(fp);
}
/*
void contactlist::Read(contact *head)
{
FILE *p=fopen("G:\\temp - 副本2\\lin.txt","rb");
fread(head,sizeof(class contact),1,p);
while(head->next){
head=head->next;
fread(head,sizeof(class contact),1,p);
}
*/
void contactlist::Assert(contact *head)
{
system("cls");
Title();
contact *p,*q;
/*
if(head->next==NULL)
{
p=new contact();
cout<<"当前通讯录为空，请输入第一个记录的联系人姓名：";
cin>>p->name;
cout<<"请输入联系人的家庭住址:";
cin>>p->address;
cout<<"请输入联系人的手机号码：";
cin>>p->phonenum;
cout<<"1:朋友"<<endl;
cout<<"2:同学"<<endl;
cout<<"3:亲戚"<<endl;
cout<<"4:同事"<<endl;
cout<<"请选择联系人的分组:";
cin>>p->ctype;
head->next=p;
p->next=NULL;
system("cls");
Title();
}
else if(head->next!=NULL)
{ */
q=new contact;
q=head;
p=new contact;
cout<<"请输入联系人的姓名：";
cin>>p->name;
cout<<"请输入联系人的家庭住址:";
cin>>p->address;
cout<<"请输入联系人的手机号码：";
cin>>p->phonenum;
cout<<"联系人分类："<<endl;
cout<<"1:朋友"<<endl;
cout<<"2:同学"<<endl;
cout<<"3:亲戚"<<endl;
cout<<"4:同事"<<endl;
cout<<"请选择联系人的分组:";
cin>>p->ctype;
p->next=q->next;
q->next=p;
system("cls");
Title();
//}
contactlist::Mainscreen(head);
}
void contactlist::Delete(contact *head)
{
int flag=1;
system("cls");
char de_con[10];
cout<<"请输入要删除记录的联系人姓名:";
cin>>de_con;
contact *q,*front;//
front=new contact;
q=head;
while((q->next)!=NULL)
{
char Name[20];
strcpy(Name, (q->next->name).c_str());
if(strcmp(de_con,Name)==0)
{
cout<<"已找到需要注销的记录，正在注销中…………"<<endl;
q->next=q->next->next;
cout<<"该数据已注销成功，返回主页面…………"<<endl;
flag=0;
break;
}
q=q->next;
}
if(flag==1)
cout<<"要删除的记录不存在"<<endl;
contactlist::Mainscreen(head);
}
void contactlist::Change(contact *head)
{
system("cls");
Title();
int flag=1;
contact *q;
char name_con[10];
cout<<"请输入你要修改记录的联系人姓名：";
cin>>name_con;
q=head->next;
while(q!=NULL)
{ char Name[20];
strcpy(Name, (q->name).c_str());
if(strcmp(Name,name_con)==0)
{
cout<<"请开始记录的修改："<<endl;
cout<<"姓名：";
cin>>q->name;
cout<<"家庭住址：";
cin>>q->address;
cout<<"电话号码：";
cin>>q->phonenum;
cout<<"联系人分组：";
cout<<"1:朋友"<<endl;
cout<<"2:同学"<<endl;
cout<<"3:亲戚"<<endl;
cout<<"4:同事"<<endl;
cout<<"请选择联系人的类型:";
cin>>q->ctype;
cout<<"个人信息修改完成！"<<endl;
flag=0;
break;
}
q=q->next;
}
if(flag==1)
cout<<"查找的记录不存在"<<endl;
contactlist::Mainscreen(head);
}
void contactlist::Search(contact *head)
{
system("cls");
Title();
int flag=1;
char name_con[10];
cout<<"请输入你要查找记录的联系人姓名：";
cin>>name_con;
contact *q;
q=head->next;
while(q!=NULL)
{char Name[20];
strcpy(Name, (q->name).c_str());
if(strcmp(Name,name_con)==0)
{
cout<<"姓名："<<" ";
cout<<"家庭住址："<<" ";
cout<<"电话号码："<<" ";
cout<<"联系人分组："<<" "<<endl;
cout<<q->name<<" ";
cout<<q->address<<" ";
cout<<q->phonenum<<" ";
switch(q->ctype){
case 1:cout<<"朋友 "<<endl;break;
case 2:cout<<"同学 "<<endl;break;
case 3:cout<<"亲戚 "<<endl;break;
case 4:cout<<"同事 "<<endl;break;
}
flag=0;
break;
}
q=q->next;
}
if(flag==1)
cout<<"查找的记录不存在"<<endl;
contactlist::Mainscreen(head);
}
void contactlist::Show(contact *head)
{
system("cls");
Title();
if(head->next==NULL)
{
cout<<"通讯录为空，请选择操作1插入联系人"<<endl;
contactlist::Mainscreen(head);
}
else
{
contact *q;
q=head->next;
cout<<"姓名："<<" ";
cout<<"家庭住址："<<" ";
cout<<"电话号码："<<" ";
cout<<"分组："<<endl;
while(q!=NULL)
{
cout<<q->name<<" ";
cout<<q->address<<" ";
cout<<q->phonenum<<" ";
switch(q->ctype){
case 1:cout<<"朋友 "<<endl;break;
case 2:cout<<"同学 "<<endl;break;
case 3:cout<<"亲戚 "<<endl;break;
case 4:cout<<"同事 "<<endl;break;
}
q=q->next;
}
contactlist::Mainscreen(head);
}
}
void typeshow(contact *head,int choice)
{
contact *p;
p=head->next;
int flag=0;
while(p!=NULL){
if(p->ctype==choice){
cout<<"姓名："<<" ";
cout<<"家庭住址："<<" ";
cout<<"电话号码："<<" "<<endl;
cout<<p->name<<" ";
cout<<p->address<<" ";
cout<<p->phonenum<<" "<<endl;
flag=1;
}
p=p->next;
}
if(!flag) cout<<"该分组没有记录！"<<endl;
}
void contactlist::TypeShow(contact *head)
{
system("cls");
Title();
if(head->next==NULL)
{
cout<<"通讯录为空，请选择操作1添加记录或6退出系统"<<endl;
contactlist::Mainscreen(head);
}
else
{
int choice;
cout<<"输出所有朋友的记录----------------1"<<endl;
cout<<"输出所有同学的记录----------------2"<<endl;
cout<<"输出所有亲戚的记录----------------3"<<endl;
cout<<"输出所有同事的记录----------------4"<<endl;
cout<<"请选择：";
cin>>choice;
typeshow(head,choice);
contactlist::Mainscreen(head);
}
}
void contactlist::Mainscreen(contact *head)
{
int choice;
char a='*';
cout<<endl;
cout<<" "<<"按照信息后的数字提示选择相应的操作:"<<endl;
for(int i=0;i<34;i++)
cout<<a<<" ";
cout<<endl;
cout<<a<<" 添加新的记录---------------------------------------------- 1 "<<a<<endl;
cout<<a<<" 根据姓名查找相应的记录------------------------------------ 2 "<<a<<endl;
cout<<a<<" 根据姓名删除相应的记录------------------------------------ 3 "<<a<<endl;
cout<<a<<" 根据姓名修改相应的记录------------------------------------ 4 "<<a<<endl;
cout<<a<<" 显示当前数据库中所有的记录-------------------------------- 5 "<<a<<endl;
cout<<a<<" 显示同一分组的记录---------------------------------------- 6 "<<a<<endl;
cout<<a<<" 退出通讯录管理系统---------------------------------------- 7 "<<a<<endl;
for(i=0;i<34;i++)
cout<<a<<" ";
cout<<endl;
cout<<"请输入你的选择：";
cin>>choice;
switch(choice)
{
case 1:contactlist::Assert(head);break;
case 2:contactlist::Search(head);break;
case 3:contactlist::Delete(head);break;
case 4:contactlist::Change(head);break;
case 5:contactlist::Show(head);break;
case 6:contactlist::TypeShow(head);break;
case 7:system("cls");Save(head);exit(0);
}
}
void contactlist::Title()
{
char a='*';
for(int i=0;i<120;i++)
cout<<a;
cout<<endl;
cout<<" 通讯录管理系统"<<endl;
cout<<endl;
for(i=0;i<120;i++)
cout<<a;
cout<<endl;
}
int main()
{
contactlist *s=new contactlist();
s->Title();
cout<<"欢迎进入通讯录管理系统，请选择登陆方式："<<endl;
int selectNum;
cout<<"1 注册新账户"<<endl;//输出一个选择菜单
cout<<"2 已有的账户登录"<<endl;
cout<<"3 退出通讯录管理系统"<<endl;
cin>>selectNum;
switch (selectNum)
{
case 1:s->UserReg(s->head);break;
case 2:s->Login(s->head); break;
case 3:system("cls");Save(head);exit(0); break; //退出之前，把改过的通讯录重新读入文档
}
return 0;
}
