数据结构期末课程设计-----通讯录（文件存取数据）

#include<bits/stdc++.h>
#include<string>
#include<algorithm>
#include<fstream>
#include<iomanip>
#include<stdlib.h>
#include<cstdlib>
#include<string>
using namespace std;
typedef struct DataType{
    string num;  //编号
    string name; //姓名
    string sex;  //性别
    string phone; //电话号
    string QQ;//QQ号 
    string Wechat;//微信号 
    string addr; //住址
    string email;//邮箱
    string birth;//生日
}DataType;
typedef struct InfoNode{
    DataType data;
    struct InfoNode* next;
}InfoNode;
//菜单选择程序
void menu()
{
    printf("     通讯录管理系统
");
    printf("=========================
");
    printf("   1.通讯录链表的建立
");
    printf("   2.通讯录信息的插入
");
    printf("   3.通讯录信息的查询
");
    printf("   4.通讯录信息的修改
");
    printf("   5.通讯录信息的删除
");
    printf("   6.通讯录链表的保存
");
    printf("   7.通讯录链表的输出
");
    printf("   0.退出管理系统
");
    printf("=========================
");
    printf("请选择 0-7: ");
}
//通讯录链表的建立(带头的单向链表)
void createPersonInfoList(InfoNode* pHead)
{
    pHead->next=NULL;
    string str;
    ifstream fin;
    fin.open("Person.txt", ios::in);//读取形式打开文件
    if (!fin.is_open())//打开失败
        cout << "--------文件不能打开,建立一个新的通讯录--------" << endl;
    else
    {
        while (fin.peek()!=EOF)
        {
            InfoNode* newMember=new InfoNode();
            getline(fin,newMember->data.num);
            if(newMember->data.num=="########")
                continue;
            getline(fin,newMember->data.name);
            getline(fin,newMember->data.sex);
            getline(fin,newMember->data.phone);
            getline(fin,newMember->data.QQ);
            getline(fin,newMember->data.Wechat);
            getline(fin,newMember->data.addr);
            getline(fin,newMember->data.email);
            getline(fin,newMember->data.birth);
            if (pHead->next==NULL)
            {
                pHead->next=newMember;
                newMember->next=NULL;
            }
            else
            {
                InfoNode* p=pHead->next;
                while(p->next!=NULL)
                {
                    p=p->next;
                }
                p->next=newMember;
                newMember->next=NULL;
            }
        }
    }
    fin.close();//关闭文件
    cout << "--------通讯录链表创建完成!--------" << endl;
}
//通讯录信息的插入(尾插法)
void insertPersonInfoToListT(InfoNode* pHead)
{
    char flag = 'y';
    regex reg_email("([0-9A-Za-z\-_\.]+)@([0-9a-z]+\.[a-z]{2,3}(\.[a-z]{2})?)");
    regex reg_birth("([12]\d{3}\/(0?[1-9]|1[0-2])\/(0?[1-9]|[12]\d|3[01]))");
    while (flag=='y')
    {
        //先申请新的节点
        InfoNode* newNode=new InfoNode();
        cout<<"编号: ";
        cin >> newNode->data.num;
        InfoNode* p=pHead->next;
        while (p!=NULL)
        {
            if (p->data.num!=newNode->data.num){
                p=p->next;
            }else{
                cout<<"您输入的编号已经在通讯录中！请确认后再输入信息！"<<endl;    
                return;
            }
        }
        cout<<"姓名: ";
        cin>>newNode->data.name;
        cout<<"性别(男或女): ";
        cin>>newNode->data.sex;
        //性别格式 （男或女）
        while(!(newNode->data.sex=="男"||newNode->data.sex=="女")){
            cout<<"输入的性别格式错误，重新输入：";
            cin>> newNode->data.sex;
        }     
        cout<<"电话: ";
        cin>>newNode->data.phone;
        cout<<"QQ号: ";
        cin>>newNode->data.QQ;
        cout<<"微信号: ";
        cin>>newNode->data.Wechat;
        cout<<"住址: ";
        cin>>newNode->data.addr;
        cout<<"邮箱: ";
        cin>>newNode->data.email;
        //邮箱格式 （用户名@主机名）
        while(!regex_match(newNode->data.email,reg_email)){
            cout<<"输入的邮箱格式错误，重新输入：";
            cin>> newNode->data.email;
        } 
        cout<<"生日: ";
        cin>>newNode->data.birth;
        //生日格式 （2019/03/04）
        while(!regex_match(newNode->data.birth,reg_birth)){
            cout<<"输入的生日格式错误，重新输入：";
            cin>>newNode->data.birth;
        }
        //输入完成后，将该节点尾插到通讯录链表上
        //若只有一个信息节点,则直接尾插
        if (pHead->next==NULL)
        {
            pHead->next=newNode;
            newNode->next=NULL;
        }
        //若已经有了若干个节点
        else
        {
            //遍历找到最后节点
            InfoNode* pCur = pHead->next;
            while (pCur->next != NULL)
            {
                pCur = pCur->next;
            }
            pCur->next = newNode;
            newNode->next = NULL;
        }
        cout<<"是否继续录入(y/n):";
        cin>>flag;
    }
}
//通讯录信息的插入(中间插入)
void insertPersonInfoToListN(InfoNode* pHead)
{    
    char flag = 'y';
    regex reg_email("([0-9A-Za-z\-_\.]+)@([0-9a-z]+\.[a-z]{2,3}(\.[a-z]{2})?)");
    regex reg_birth("([12]\d{3}\/(0?[1-9]|1[0-2])\/(0?[1-9]|[12]\d|3[01]))");
    while (flag=='y')
    {
        //先申请新的节点
        InfoNode* newNode=new InfoNode();
        InfoNode* p=pHead->next;
        int n=0,cnt=0;
        cout<<"输入你要插入的位置：";
        cin>>n;
        cout<<"编号: ";
        cin>>newNode->data.num;
        while(p!=NULL)
        {
            if(p->data.num!=newNode->data.num){
                p=p->next;
            }else{
                cout<<"您输入的编号已经在通讯录中！请确认后再输入信息！"<<endl;    
                return;
            }
        }
        p=pHead->next;
        cout<<"姓名: ";
        cin>>newNode->data.name;
        cout<<"性别(男或女): ";
        cin>>newNode->data.sex;
        while(!(newNode->data.sex=="男"||newNode->data.sex=="女")){
            cout<<"输入的性别格式错误，重新输入：";
            cin>>newNode->data.sex;
        }
        cout<<"电话: ";
        cin>>newNode->data.phone;
        cout<<"QQ号: ";
        cin>>newNode->data.QQ;
        cout<<"微信号: ";
        cin>>newNode->data.Wechat;
        cout<<"住址: ";
        cin>>newNode->data.addr;
        cout<<"邮箱: ";
        cin>>newNode->data.email;
        //邮箱格式 （用户名@主机名）
        while(!regex_match(newNode->data.email,reg_email)){
            cout<<"输入的邮箱格式错误，重新输入：";
            cin>>newNode->data.email;
        } 
        cout<<"生日: ";
        cin>>newNode->data.birth;
        //生日格式 （2019/03/04）
        while(!regex_match(newNode->data.birth,reg_birth)){
            cout<<"输入的生日格式错误，重新输入：";
            cin>>newNode->data.birth;
        }
        //若只有一个信息节点,则直接尾插
        if (pHead->next==NULL)
        {
            pHead->next=newNode;
            newNode->next=NULL;
        }
        //若已经有了若干个节点
        else
        {
            InfoNode* q=new InfoNode();
            while(p!=NULL)
            {
                if(cnt!=n)
                {
                    q=p;
                    p=p->next;
                    cnt++;
                }
                else
                {
                    newNode->next=q->next;
                    q->next=newNode;
                    break;
                }
            }
        }
        cout<<"是否继续录入(y/n):";
        cin>>flag;
    }
}
//通讯录信息的查询
void searchPersonInfoList(InfoNode* pHead)
{
    regex reg_email("([0-9A-Za-z\-_\.]+)@([0-9a-z]+\.[a-z]{2,3}(\.[a-z]{2})?)");
    regex reg_birth("([12]\d{3}\/(0?[1-9]|1[012])\/(0?[1-9]|[12]\d|3[01]))");
    if (pHead->next == NULL)
        cout << "--------通讯录为空,查询失败!--------" << endl;
    else
    {
        int select = 0;
        printf("===============
");
        printf(" 1. 按姓名查询
");
        printf(" 2. 按性别查询
");
        printf(" 3. 按生日查询
");
        printf("===============
");
        cout<<"请选择查询方式: ";
        cin>>select;
        if(select==1)
        {
            int count=0;
            string name;
            cout<<"请输入姓名: ";
            cin>>name;
            //遍历链表，查询与输入的姓名相同的信息
            InfoNode* pCur=pHead->next;
            while(pCur!=NULL)
            {
                if(pCur->data.name!=name)
                    pCur=pCur->next;
                else
                {
                    ++count;
                    printf("-----------------------------------------------------
");
                    cout<<"编号: "<<pCur->data.num<<endl;
                    cout<<"姓名: "<<pCur->data.name<<endl;
                    cout<<"性别: "<<pCur->data.sex<<endl;
                    cout<<"电话号: "<<pCur->data.phone<<endl;
                    cout<<"QQ: "<<pCur->data.QQ<<endl;
                    cout<<"微信: "<<pCur->data.Wechat<<endl;
                    cout<<"住址: "<<pCur->data.addr<<endl;
                    cout<<"邮箱: "<<pCur->data.email<<endl;
                    cout<<"生日: "<<pCur->data.birth<<endl;
                    printf("-----------------------------------------------------
");
                    pCur=pCur->next;
                }
            }
            if(count)
                printf("------共有%d条记录------
", count);
            else
                printf("------没有符合要求的记录------
");
        }
        if (select==2)
        {
            int count=0;
            string sex;
            cout<<"请输入性别: ";
            cin>>sex;
            while(!(sex=="男"||sex=="女")){
                cout<<"输入的性别格式错误，重新输入：";
                cin>>sex;
            } 
            //遍历链表，查询与输入的性别相同的信息
            InfoNode* pCur = pHead->next;
            while(pCur != NULL)
            {
                if(pCur->data.sex!=sex)
                    pCur=pCur->next;
                else
                {
                    ++count;
                    printf("-----------------------------------------------------
");
                    cout<<"编号: "<<pCur->data.num<<endl;
                    cout<<"姓名: "<<pCur->data.name<<endl;
                    cout<<"性别: "<<pCur->data.sex<<endl;
                    cout<<"电话号: "<<pCur->data.phone<<endl;
                    cout<<"QQ: "<<pCur->data.QQ<<endl;
                    cout<<"微信: "<<pCur->data.Wechat<<endl;
                    cout<<"住址: "<<pCur->data.addr<<endl;
                    cout<<"邮箱: "<<pCur->data.email<<endl;
                    cout<<"生日: "<<pCur->data.birth<<endl;
                    printf("-----------------------------------------------------
");
                    pCur=pCur->next;
                }
            }
            if(count)
                printf("------共有%d条记录------
", count);
            else
                printf("------没有符合要求的记录------
");
        }
        if(select==3)
        {
            int count=0;
            string birth;
            cout<<"请输入生日: ";
            cin>>birth;
            while(!regex_match(birth,reg_birth)){
                cout<<"输入的生日格式错误，重新输入：";
                cin>> birth;
            }
            //遍历链表，查询与输入的生日相同的信息
            InfoNode* pCur=pHead->next;
            while (pCur!=NULL)
            {
                if (pCur->data.birth!=birth)
                    pCur=pCur->next;
                else
                {
                    ++count;
                    printf("-----------------------------------------------------
");
                    cout<<"编号: "<<pCur->data.num<<endl;
                    cout<<"姓名: "<<pCur->data.name<<endl;
                    cout<<"性别: "<<pCur->data.sex<<endl;
                    cout<<"电话号: "<<pCur->data.phone<<endl;
                    cout<<"QQ: "<<pCur->data.QQ<<endl;
                    cout<<"微信: "<<pCur->data.Wechat<<endl;
                    cout<<"住址: "<<pCur->data.addr<<endl;
                    cout<<"邮箱: "<<pCur->data.email<<endl;
                    cout<<"生日: "<<pCur->data.birth<<endl;
                    printf("-----------------------------------------------------
");
                    pCur=pCur->next;
                }
            }
            if(count)
                printf("------共有%d条记录------
", count);
            else
                printf("------没有符合要求的记录------
");
        }
    }
}
//通讯录信息的修改
void modifyPersonInfoList(InfoNode* pHead)
{
    if(pHead->next==NULL)
    {
        cout<<"--------通讯录为空，修改失败!--------"<<endl;
        return;
    }
    string num;
    bool flag=false;
    regex reg_email("([0-9A-Za-z\-_\.]+)@([0-9a-z]+\.[a-z]{2,3}(\.[a-z]{2})?)");
    cout<<"请输入将要修改的联系人编号: ";
    cin>>num;
    //遍历链表，查询此节点
    InfoNode* pCur=pHead->next;
    while(pCur!=NULL)
    {
        if(pCur->data.num!=num)
            pCur=pCur->next;
        else
        {
            int select=0;
            printf("=================
");
            printf(" 1. 修改电话号
");
            printf(" 2. 修改QQ号
");
            printf(" 3. 修改微信号
");
            printf(" 4. 修改住址
");
            printf(" 5. 修改邮箱
");
            printf("=================
");
            cout<<"请输入: ";
            cin>>select;
            if(select==1)
            {
                string newPhone;
                cout<<"请输入新的电话号:";
                cin>>newPhone;
                pCur->data.phone=newPhone;
            }
            if(select==2)
            {
                string newQQ;
                cout<<"请输入新的QQ号:";
                cin>>newQQ;
                pCur->data.QQ=newQQ;
            }
            if(select==3)
            {
                string newWechat;
                cout<<"请输入新的微信号:";
                cin>>newWechat;
                pCur->data.Wechat=newWechat;
            }
            if(select==4)
            {
                string newaddr;
                cout<<"请输入新的住址:";
                cin>>newaddr;
                pCur->data.addr=newaddr;
            }
            if(select==5)
            {
                string newemail;
                cout<<"请输入新的邮箱:";
                cin>>newemail;
                while(!regex_match(newemail,reg_email)){
                    cout<<"输入的邮箱格式错误，重新输入：";
                    cin>>newemail;
                } 
                pCur->data.email=newemail;
            }
            cout<<"--------修改成功--------
";
            flag=true;
            break;
            pCur=pCur->next;
        }
    }
    if(!flag){
        cout<<"--------不存在您要修改的联系人编号！请确认后再使用此功能！--------"<<endl;
    }
}
//通讯录联系人的删除
void delPersonInfo(InfoNode* pHead)
{
    if (pHead->next==NULL)
    {
        cout<<"通讯录为空，删除失败!"<<endl;
        return;
    }
    string delnum;
    cout<<"请输入将要删除的联系人编号: ";
    cin>>delnum;
    //遍历链表，查找这个节点
    InfoNode* pPrev=pHead;
    InfoNode* pCur=pHead->next;
    while (pCur!=NULL)
    {
        if (pCur->data.num!=delnum)
        {
            pPrev=pCur;
            pCur=pCur->next;
        }
        else
        {
            //找到了这个联系人
            InfoNode* delNode=pCur;
            pPrev->next=pCur->next;
            pCur=pCur->next;
            delete delNode;
            delNode=NULL;
            cout<<"删除成功！"<<endl;
            return;
        }
    }
    cout<<"-------无本地搜索结果-------
";
}
//通讯录链表的输出
void printPersonInfoList(InfoNode* pHead)
{
    if (pHead->next==NULL)
    {
        cout<<"通讯录为空，输出失败!"<<endl;
    }
    else
    {
        cout<<"---------------------联系人信息----------------------
";
        InfoNode* pCur=pHead->next;
        while (pCur!=NULL)
        {
            printf("-----------------------------------------------------
");
            cout<<"编号: "<<pCur->data.num<<endl;
            cout<<"姓名: "<<pCur->data.name<<endl;
            cout<<"性别: "<<pCur->data.sex<<endl;
            cout<<"电话号: "<<pCur->data.phone<<endl;
            cout<<"QQ: "<<pCur->data.QQ<<endl;
            cout<<"微信: "<<pCur->data.Wechat<<endl;
            cout<<"住址: "<<pCur->data.addr<<endl;
            cout<<"邮箱: "<<pCur->data.email<<endl;
            cout<<"生日: "<<pCur->data.birth<<endl;
            printf("-----------------------------------------------------
");
            pCur=pCur->next;
        }
    }
}
//文件存储 
void savePersonInfoList(InfoNode* pHead)
{
    ofstream fos;
    fos.open("Person.txt", ios::out);//写形式打开文件
    if (fos.is_open())   
    { 
        if (pHead->next!=NULL){
            InfoNode* pCur=pHead->next;
            while (pCur!=NULL)
            {
                fos<<pCur->data.num<<"
";
                fos<<pCur->data.name<<"
";
                fos<<pCur->data.sex<<"
";
                fos<<pCur->data.phone<<"
";
                fos<<pCur->data.QQ<<"
";
                fos<<pCur->data.Wechat<<"
";
                fos<<pCur->data.addr<<"
";
                fos<<pCur->data.email<<"
";
                fos<<pCur->data.birth<<"
";
                fos<<"########
";
                pCur=pCur->next;
            }
        } 
    }
    fos.close();
    cout<<"--------通讯录保存成功--------
"; 
}

主函数部分

#include "head.h"
int main()
{
    InfoNode personInfoList;
    int select = 0;
    while (1)
    {
        menu();
        while(1)
        {
            cin>>select;
            system("cls");
            if(select<0||select>7)
            {
                cout<<"输入有误，请重新选择: ";
            }
            else
                break;
        }
        switch(select)
        {
            case 0: 
                cout<<"------感谢使用本程序------"<<endl;
                exit(0);
            case 1:
                createPersonInfoList(&personInfoList);
                break;
            case 2:
                int n;
                cout<<"--------1.中间插入         2.尾插法--------
";
                cin>>n;
                while(n<1&&n>2)
                {
                    cout<<"输入有误，请重新输入"<<endl;
                    cin>>n;
                }
                if(n==1)
                    insertPersonInfoToListN(&personInfoList);
                if(n==2)
                    insertPersonInfoToListT(&personInfoList);
                break;
            case 3:
                searchPersonInfoList(&personInfoList);
                break;
            case 4:
                modifyPersonInfoList(&personInfoList);
                break;
            case 5:
                delPersonInfo(&personInfoList);
                break;
            case 6:
                savePersonInfoList(&personInfoList);
                break;
            case 7:
                printPersonInfoList(&personInfoList);
                break;
        }
    }
    system("pause");
    return 0;
}

基本上没有什么错误，只是文件读写不太会，所以我写的有点麻烦，需要用的话改改就行，功能都能够完美运行。提示：需要创建Person.txt文件。包含正则表达式，所以测试的时候需要正确输入。