[C/C++]结课作业-小型通讯录带文件保存(链表)

叁歲伎倆 2024-04-24 20:32 44阅读 0赞

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#include <iostream>
    #include <cstring>
    #include <fstream>
    #include <windows.h>
    #include <string.h>
    using namespace std;
    //通讯录类  联系人类  链表类   管理类
    class Address_Book;
    //联系人结构体
    struct Contacts{
        char name[20];
        char phone[20];
        char address[20];
    
        Contacts* next;
        Contacts(char name1[20]="",char phone1[20]="",char address1[20]=""){
            strcpy(name,name1);
            strcpy(phone,phone1);
            strcpy(address,address1);
            next = nullptr;
        }
    };
    //通讯录结构体
    struct Address_Books{
        char name[20];
        Contacts* Head_Contacts;//联系人头指针
    
        Address_Books* next;//通讯录第一个节点地址
    
        Address_Books(char name1[20]){
            strcpy(name,name1);
            Head_Contacts = nullptr;
            next = nullptr;
        }
    
    };
    //联系人类
    class Contact{
    public:
        //获取联系人个数
        static int Get_Contacts_Count(Contacts**Contact_Head);
        //增加联系人信息
        static void Insert_Contact(Contacts**Contact_Head);
        //删除联系人信息
        static void Delete_Contact(Contacts**Contact_Head);
        //查询联系人信息
        static void Search_Contact(Contacts**Contact_Head);
        //修改联系人信息
        static void Revise_Contact(Contacts**Contact_Head);
        //联系人管理界面
        static void Manage_Contact_Show();
        //输出联系人信息
        static void Show_Contact(Contacts**Contact_Head);
    
    };
    //通讯录类
    class Address_Book{
    protected:
        char name[20];//通讯录名
    public:
        static struct Address_Books* Head;//通讯录首地址
        // Address_Book(char name1[20]="");
        //获取通讯录节点数量
        static int Get_Address_Count(Address_Books* head);
        //创建通讯录
        static void Creat_Address_Book();
        //删除通讯录
        static void Delete_Address_Book(Address_Books *head);
        //修改通讯录名字
        static void Revise_Address_Book(Address_Books *head);
        //查询通讯录
        static void Search_Address_Book(Address_Books *head);
        //通讯录管理界面
        static void Manage_Address_Book_Show();
        //显示所有通讯录
        static void Show__Address_Book(Address_Books *head);
        //打开通讯录
        static void Open_Address_Book(Address_Books* head);
    };
    //管理类(允许整个程序)
    class Manage:public Address_Book{
    public:
        Manage();
    };
    //读写文件类
    class Open_Write_File{
    public:
        //读文件
        static void READ_FILE(Address_Books** Head);
        //写入通讯录,联系人信息写入文件
        static void Write_FILE(Address_Books* Head);
    };
    //获取联系人数量
    int Contact::Get_Contacts_Count(Contacts **Contact_Head) {
        Contacts* Curr_Contact  = *Contact_Head;
        int Contact_Count =0;
        while(Curr_Contact != nullptr)
        {
            Contact_Count++;
            Curr_Contact = Curr_Contact->next;
        }
        return Contact_Count;
    }
    //增添联系人
    void Contact::Insert_Contact(Contacts **Contact_Head) {
        //创建联系人
        char choose[2];
        char Contact_Name[20];
        char Contact_Phone[20];
        char Contact_Address[20];
        char c;;
        while(true) {
            cout << "Enter the contact name:";
            cin >> Contact_Name;
            cout << "Enter the contact phone:";
            cin >> Contact_Phone;
            cout << "Enter the contact address:";
            cin >> Contact_Address;
            cout << "Save or not?(y/n):";
            cin >> choose;
            if (strcmp(choose, "Y") == 0 || strcmp(choose, "y") == 0) {
                Contacts *NEW_NODE = new Contacts(Contact_Name,Contact_Phone,Contact_Address);//创建节点
                //插入节点
                if (*Contact_Head == nullptr) {
                    *Contact_Head = NEW_NODE;
                } else {
                    Contacts* Curr_Contact = *Contact_Head;
                    while (Curr_Contact->next != nullptr) {
                        Curr_Contact = Curr_Contact->next;
                    }
                    Curr_Contact->next = NEW_NODE;
                }
    
                cout << "Successfully saved!" << endl;
            } else {
                cout << "Return successful!" << endl;
                break;
            }
            cout<<"Do you want to continue creating(y/n):";
            cin>>c;
            if(c == 'y'||c=='Y')continue;
            else return;
        }
    }
    //删除联系人
    void Contact::Delete_Contact(Contacts **head) {
        char Delete_Contact_Name[20];
        char c;
        int Flag =0;
        if(Get_Contacts_Count(head) == 0) cout<<"Address book is empty!"<<endl;
        else{
            while (true) {
                cout << "Enter the address book name to delete (0 exits):";
                cin >> Delete_Contact_Name;
                struct Contacts* Curr_Contact = *head;
                if (strcmp(Delete_Contact_Name,"0") == 0) break;
                while (Curr_Contact != nullptr) {
                    if (strcmp(Delete_Contact_Name, Curr_Contact->name) == 0) {
                        cout << "Found, delete (y/n)";
                        cin >> c;
                        if (c == 'y' || c == 'Y') {
                            Contacts *kill = Curr_Contact;
                            if (kill == *head)//删除头节点
                                *head = kill->next;
                            else {//不是头节点
                                Contacts *begin_head = *head;
                                while (begin_head->next != kill) {
                                    begin_head = begin_head->next;
                                }
                                begin_head->next = kill->next;
                            }
                            delete kill;
                            Flag = 1;
                            cout << "Successfully deleted name of" << Delete_Contact_Name << " Contact" << endl;
                            break;
                        }
                        else{
                            cout << "Delete operation canceled!" << endl;
                            Flag = 2;
                        }
                    }
                    Curr_Contact = Curr_Contact->next;
                }
                if(Flag == 0) cout<<"The contact was not found!"<<endl;
                cout << "Do you want to continue deleting(y/n):";
                cin >> c;
                if (c == 'y' || c == 'Y') {
                    if(Get_Contacts_Count(head) == 0) {
                        cout<<"Address book is empty!"<<endl;
                        return;
                    }
                    continue;
                } else break;
            }
        }
    }
    //查询联系人
    void Contact::Search_Contact(Contacts **head) {
        char Search_Contact_Name[20];
        int flag = 0;
        if(Get_Contacts_Count(head)==0) cout<<"Address book is empty!"<<endl;
        else {
            Show_Contact(head);//显示所有联系人
            while (true) {
                int i=1;
                Contacts * Curr_Contact = *head;
                cout << "Enter the contact name to query (0 exit):";
                cin >> Search_Contact_Name;
                if (strcmp(Search_Contact_Name, "0") == 0) return;
                cout << "---------------------------------------" << endl;
                cout << "\tName" << "\t" << "cell-phone number" << "\t\t" << "Address"  << endl;
                while (Curr_Contact != nullptr) {
                    if (strcmp(Curr_Contact->name, Search_Contact_Name) == 0) {
                        flag = 1;;
                        cout<<i<<". "<<Curr_Contact->name<<"\t"<<Curr_Contact->phone<<"\t"<<Curr_Contact->address<<endl;
                    }
                    i++;
                    Curr_Contact = Curr_Contact->next;
                }
                cout << "---------------------------------------" << endl;
                if (flag == 0) cout << "The contact information was not found!" << endl;
            }
        }
    }
    //修改联系人信息
    void Contact::Revise_Contact(Contacts **head) {
        char old_name[20];
        while(true) {
            Contacts* curr = *head;
            cout << "Enter the contact name you want to modify (0 exit)";
            cin >> old_name;
            if(strcmp(old_name,"0")==0) return;
            while(curr != nullptr){
                if (strcmp(old_name,curr->name)== 0) {
                    cout<<"Found:"<<old_name<<"Contact"<<endl;
                    cout<<"Enter a new contact name:";
                    cin>>curr->name;
                    cout<<"Enter a new contact phone number:";
                    cin>>curr->phone;
                    cout<<"Enter a new contact address:";
                    cin>>curr->address;
                    cout << "Successfully modified!" << endl;
                    break;
                }
                curr =curr->next;
            }
        }
    }
    //显示所有联系人
    void Contact::Show_Contact(Contacts **head) {
        Contacts* Curr_Contact = *head;
        char Name[20];
        int i =1;
        if(Curr_Contact == nullptr){
            cout<<"Address book is empty!"<<endl;
        }
        else {
            cout << "--------------contact list-------------------------" << endl;
            cout << "\tName" << "\t" << "cell-phone number" << "\t\t" << "Address"  << endl;
            cout << "-------------------------------------------------" << endl;
            while (Curr_Contact != nullptr) {
                cout<<i<<". "<<Curr_Contact->name<<"\t"<<Curr_Contact->phone<<"\t"<<Curr_Contact->address<<endl;
                Curr_Contact = Curr_Contact->next;
                i++;
            }
            cout << "-------------------------------------------------" << endl;
        }
    }
    //联系人管理界面
    void Contact::Manage_Contact_Show() {
        cout << endl;
        cout << "*********************************************" << endl;
        cout << "**             **联系人管理界面**          **" << endl;
        cout << "**             1、添加联系人信息           **" << endl;
        cout << "**             2、删除联系人信息           ** " << endl;
        cout << "**             3、查询联系人信息           **" << endl;
        cout << "**             4、修改联系人信息           **" << endl;
        cout << "**             5、显示所有联系人信息       **" << endl;
        cout << "**             0、退出                     **" << endl;
        cout << "*********************************************" << endl;
        cout << endl;
    }
    //通讯录头指针
    struct Address_Books* Address_Book::Head = nullptr;
    //创建通讯录
    void Address_Book::Creat_Address_Book() {
        //创建通讯录
        Address_Books* curr = Head;
        char choose[2];
        char Name[20];
        char c;
        while(true) {
    
            cout << "Enter the address book name:";
            cin >> Name;
            while(curr != nullptr){
                if(strcmp(Name,curr->name)==0){
                    cout<<"Reenter the address book name:";
                    cin>>Name;
                    curr = Head;
                    continue;
                }
                curr =curr->next;
            }//判断是否重名
            cout << "Save or not?(y/n):";
            cin >> choose;
            if (strcmp(choose, "Y") == 0 || strcmp(choose, "y") == 0) {
                Address_Books *NEW_NODE  = new Address_Books (Name);
                //插入节点
                if (Head == nullptr) {
                    Head = NEW_NODE;
                } else {
                    Address_Books *curr = Head;
                    while (curr->next != nullptr) {
                        curr = curr->next;
                    }
                    curr->next = NEW_NODE;
                }
                cout << "Successfully saved!" << endl;
            } else {
                cout << "Return successful!" << endl;
                break;
            }
            cout<<"Do you want to continue creating (y/n):";
            cin>>c;
            if(c == 'y'||c=='Y')continue;
            else return;
        }
    }
    //通讯录管理界面
    void Address_Book::Manage_Address_Book_Show() {
        cout << endl;
        cout << "*********************************************" << endl;
        cout << "**             **通讯录管理界面**          **" << endl;
        cout << "**             1、新建通讯录               **" << endl;
        cout << "**             2、删除通讯录               ** " << endl;
        cout << "**             3、查询通讯录               **" << endl;
        cout << "**             4、修改通讯录名字           **" << endl;
        cout << "**             5、显示所有通讯录           **" << endl;
        cout << "**             6、打开指定通讯录           **" << endl;
        cout << "**             0、退出(保存数据)           **" << endl;
        cout << "*********************************************" << endl;
        cout << endl;
    
    }//通讯录管理界面
    //删除通讯录
    void Address_Book::Delete_Address_Book(Address_Books *head) {
        char Delete_Name[20];
        char c;
        int Flag =0;
        if(Get_Address_Count(Head) == 0) cout<<"Address book is empty!"<<endl;
        else{
            while (true) {
                cout << "Enter the address book name to delete (0 exits):";
                cin >> Delete_Name;
                struct Address_Books* curr = Head;
                if (strcmp(Delete_Name,"0") == 0) break;
                while (curr != nullptr) {
                    if (strcmp(Delete_Name, curr->name) == 0) {
                        cout << "Found, delete (y/n)";
                        cin >> c;
                        if (c == 'y' || c == 'Y') {
                            Address_Books *kill = curr;
                            const char *remove_file = kill->name;
                            remove(remove_file);//删除文件
                            if (kill == Head)//删除头节点
                                Head = kill->next;
                            else {//不是头节点
                                Address_Books *begin_head = Head;
                                while (begin_head->next != kill) {
                                    begin_head = begin_head->next;
                                }
                                begin_head->next = kill->next;
                            }
                            delete kill;
                            Flag = 1;
                            cout << "Successfully deleted the name of:" << Delete_Name << " Address Book " << endl;
                            break;
                        }
                        else{
                            cout << "Delete operation canceled!" << endl;
                            Flag = 2;
                        }
                    }
                    curr = curr->next;
                }
                if(Flag == 0) cout<<"The address book was not found!"<<endl;
                cout << "Do you want to continue deleting (y/n):";
                cin >> c;
                if (c == 'y' || c == 'Y') {
                    if(Get_Address_Count(Head) == 0) {
                        cout<<"Address book is empty!"<<endl;
                        return;
                    }
                    continue;
                } else break;
            }
        }
    }
    //修改通讯录
    void Address_Book::Revise_Address_Book(Address_Books *head) {
        char old_name[20];
        while(true) {
            Address_Books* curr = head;;
            cout << "Enter the name of the address book you want to modify (0 exit):";
            cin >> old_name;
            if(strcmp(old_name,"0")==0) return;
            while(curr != nullptr){
                if (strcmp(old_name,curr->name)== 0) {
                    cout<<"Enter a new address book name:";
                    cin>>curr->name;
                    cout << "The address book has been found and successfully modified!" << endl;
                    break;
                }
                curr =curr->next;
            }
        }
    }
    //查询通讯录
    void Address_Book::Search_Address_Book(Address_Books *head) {
        char Name[20];
        int flag = 0;
        if(Get_Address_Count(head)==0) cout<<"Address book is empty!"<<endl;
        else {
            Show__Address_Book(head);//显示所有通讯录
            while (true) {
                int i=1;
                Address_Books * curr = head;
                cout << "Please enter the address book name to query (0 exit):";
                cin >> Name;
                if (strcmp(Name, "0") == 0) return;
                while (curr != nullptr) {
                    if (strcmp(curr->name, Name) == 0) {
                        flag = 1;
                        cout << i << " ." << curr->name << endl;
                    }
                    i++;
                    curr = curr->next;
                }
                if (flag == 0) cout << "The information was not found!" << endl;
            }
        }
    
    }
    //显示所有通讯录
    void Address_Book::Show__Address_Book(Address_Books* head) {
        Address_Books* curr = head;
        char Name[20];
        int i =1;
        if(curr == nullptr){
            cout<<"Address book is empty!"<<endl;
        }
        else {
            cout << "---------------Address Book List-------------------------" << endl;
    
            while (curr != nullptr) {
                cout<<i<<". "<<curr->name<<endl;
                curr = curr->next;
                i++;
            }
            cout << "--------------------------------------------------" << endl;
        }
    }
    //获取通讯录数量
    int Address_Book::Get_Address_Count(Address_Books*head) {
        Address_Books*curr =head;
        int count  = 0;
        while(curr!= nullptr)
        {
            count++;
            curr = curr->next;
        }
        return  count;
    }
    //进入通讯录
    void Address_Book::Open_Address_Book(Address_Books*head) {
        //进入通讯录
        int c,choose;
        char Name[20];
        while(true) {
            Address_Books *curr = head;
            Show__Address_Book(head);
            cout << "Please enter the name of the address book you want to open (0 exit):";
            cin >> Name;
            if (strcmp(Name, "0") == 0) return;
            while (curr != nullptr) {
                if (strcmp(Name, curr->name) == 0) {
                    Address_Books* Open = curr;//要打开的通讯录
                    while (true) {
                        Contact::Manage_Contact_Show();
                        cout << "Please enter the operation number:";
                        cin >> c;
                        if(c == 0) break;
                        switch (c) {//插入联系人头节点的地址
                            case 1:
                                Contact::Insert_Contact(&(Open->Head_Contacts));
                                break;
                            case 2:
                                Contact::Delete_Contact(&(Open->Head_Contacts));
                                break;
                            case 3:
                                Contact:: Search_Contact(&(Open->Head_Contacts));
                                break;
                            case 4:
                                Contact:: Revise_Contact(&(Open->Head_Contacts));
                                break;
                            case 5:
                                Contact::Show_Contact(&(Open->Head_Contacts));
                                break;
                            default:
                                cout << "Input error, re input:";
                                cin >> choose;
                        }
                    }
                }
                curr = curr->next;
            }
        }
    }
    //数据写入文件
    void Open_Write_File::Write_FILE(Address_Books *Head) {
        //循环每一个通讯录创建一个文件 在将联系人信息写入
        Address_Books* curr =Head;
        char File_Name[20];
        //先保存通讯录名到File_Name.txt中
        ofstream File_Name_fp ("File_Name.txt",ios::out);//打开文件
        ofstream fp;
        cout<<"Saving the file...."<<endl;
        if(!File_Name_fp.is_open()) {
            cout << "File opening failed!" << endl;
            return;
        }
        while(curr != nullptr){
            File_Name_fp<<curr->name<<endl;
            curr =curr->next;
        }
        File_Name_fp.close();//关闭文件
        cout<<"File saved!"<<endl;
        //保存联系人信息
        curr  = Head;
        while(curr != nullptr){//循环每个通讯录
            fp.open(curr->name,ios::out);//创建通讯录文件夹
            //写入文件
            if(!fp.is_open()){
                cout<<"File opening failed!"<<endl;
                fp.close();
                return;
            }
            Contacts* Curr_Contact=curr->Head_Contacts;
            while(Curr_Contact!= nullptr) {
                fp.write((char *)Curr_Contact,sizeof(Contacts));
               // fp<<Curr_Contact->name<<"#"<<Curr_Contact->phone<<"#"<<Curr_Contact->address<<"#"<<Curr_Contact->next<<endl;
                Curr_Contact =Curr_Contact->next;
            }
            fp.close();
            curr = curr->next;
        }
    }
    //数据读入链表
    void Open_Write_File::READ_FILE(Address_Books **Head) {
        //写入文件  从文件中读通讯录文件名 进行遍历
        //先读入通讯录名存入字符数组里
        //遍历通讯录名下的联系人进行创建节点保存
        Address_Books*ADDRESS_BOOK = nullptr;
        Address_Books* CURR = nullptr;
        char File_Name[20];//存放文件名
        ifstream read("File_Name.txt");//读取通讯录名
        ifstream Read_Address_Book;//读通讯录里的信息
        if (!read.is_open()) {
            read.close();
            return;
        }
        char c;
        read >> c;//读出一个字符
        if (read.eof()) {
            cout << "File is empty!" << endl;
            return;
        }//如果没有读到则跳出循环;
        read.seekg(0, ios::beg);
        while (read >> File_Name) {//按行读取
            //读取到了一个通讯录名,创建通讯录节点
            ADDRESS_BOOK = new Address_Books(File_Name);//创建一个通讯录节点
            CURR = *Head;
            if (CURR == nullptr) {//插入头节点
                *Head = ADDRESS_BOOK;;
            } else {
                while (CURR->next != nullptr) {
                    CURR = CURR->next;
                }
                CURR->next = ADDRESS_BOOK;
            }
        }
        read.close();
    
        //存入联系人
        Address_Books *CURR_ADDRESS = *Head;//通讯录头指针
    
        while (CURR_ADDRESS != nullptr) {//循环每个通讯录
            ifstream fp_read_contact(CURR_ADDRESS->name,ios::in);
            if (!fp_read_contact.is_open()) {
                cout << "file open failed!" << endl;
                fp_read_contact.close();
                return;
            }
            fp_read_contact.seekg(0, ios::end);//移动到文件末尾
            long end = fp_read_contact.tellg();//记录文件最后的位置
            fp_read_contact.seekg(0, ios::beg);//移动到开头位置
           unsigned long Get_Count_Node = end/sizeof(Contacts);//得到节点个数
            Contacts *contact = new Contacts[Get_Count_Node];//创建Get_Count_Node个节点
                   for(int i = 0;i<Get_Count_Node;i++){
                       fp_read_contact.read((char *)&contact[i], sizeof(Contacts));//读取到TEMP_CONTACT
                       if(i == 0 ){
                           CURR_ADDRESS->Head_Contacts = &contact[0];
                       }
                       else{
                           contact[i-1].next = &contact[i];
                       }
            }
            fp_read_contact.close();
            CURR_ADDRESS = CURR_ADDRESS->next;
        }
    
    
    }
    //运行
    Manage::Manage() {
        Open_Write_File::READ_FILE(&Address_Book::Head);//先读通讯录,创建通讯录
        Manage_Address_Book_Show();
        while(true)
        {
            cout<<"Please enter an action:";
            int choose;
            cin>>choose;
            if(choose>=0&& choose<= 6) {
                switch (choose) {
                    case 1:
                        Creat_Address_Book();
                        break;
                    case 2:
                        Delete_Address_Book(Head);
                        break;
                    case 3:
                        Search_Address_Book(Head);
                        break;
                    case 4:
                        Revise_Address_Book(Head);
                        break;
                    case 5:
                        Show__Address_Book(Head);
                        break;
                    case 6:
                        Open_Address_Book(Head);
                        break;
                    case 0:
                        Open_Write_File::Write_FILE(Head);//程序结束时候将链表内容写入文件内
                        //exit(0);
                        return;
                    default:
                        cout << "Input error!"<<endl;
                        continue;
    
                }
                Manage_Address_Book_Show();
            }
            else
            {
                cout<<"Input error!"<<endl;
                continue;
            }
        }
    }
    int main()
    {
        Manage StartUp;//运行
    }
    //给文件名加后缀
    //用继承  多态

运行环境:Clion

可以创建多个通讯录分类存储联系人

待优化:文件设计后缀

复制粘贴即可用

[Link 1]: https://blog.csdn.net/weixin_73865721?spm=1010.2135.3001.5343
[C_C]: https://blog.csdn.net/weixin_73865721?type=blog