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  • [设计] C++课程设计ATM (纪念大一)

    #include <iostream>
    #include <fstream>
    #include <string>
    #include <cstring>
    #include <vector>
    #include <cstdlib>
    #include <cstdio>
    
    using namespace std;
    
    void shaohou() {
        for(int i = 0; i < 6; i++) {
            printf(".");
            for(int j = 0; j < 40000000; j++) {
                ;
            }
        }
    }
    class AccountItem {
    private:
    	string account;      // 账号
    	string passwd;       // 密码
    	string name;         // 姓名
        double pay;          // 存款余额
    public:
        AccountItem() : account(""), passwd(""), name(""), pay(0) {}
    	AccountItem(string m_account, string m_passwd, string m_name, const double m_pay) {
            account = m_account;
            passwd = m_passwd;
            name = m_name;
            pay = m_pay;
    	}
    	void display() {           // 显示对象
            cout << "账号 :\n" << account << endl;
            cout << "密码 :\n" << passwd << endl;
            cout << "姓名 :\n" << name << endl;
            cout << "余额 :\n" << pay << endl;
    	}
    
    	void write(ofstream& s);   // 修改账目
    	void read(ifstream& s);    // 读入账目数据
    
    	bool checkAccount(string m_account) {    // 检测信号
            if(account == m_account) return true;
            return false;
        }
    	string getAccount() { return account; }   // 取账号
    	string getPasswd() { return passwd; }     // 取密码
    	string getName() { return name; }         // 取帐号姓名
    	double getPay() { return pay; }           // 得到余额
    
    	void subPay(double m_pay) { pay -= m_pay; }  // 取款后-修改余额
        void addPay(double m_pay) { pay += m_pay; }  // 存款后-修改存款余额
        void modifyPasswd(string m_passwd) { passwd = m_passwd; }   // 修改密码
    
        void saveNew();      // 开户用---存入新的数据成员
        void addPerson();    // 此函数用于增加新的数据成员
    
    	bool isNull() {
    	    if(account == "") return true;
    	    return false;
        }
    };
    void AccountItem::write(ofstream& s) {
        s << account << endl;
        s << passwd << endl;
        s << name << endl;
        s << pay << endl;
    }
    void AccountItem::read(ifstream& s) {  //从输入流读入数据
        s >> account;
        s >> passwd;
        s >> name;
        s >> pay;
    };
    void AccountItem::saveNew() {             //--------往里面写用的函数,存入新的成员-----------
        ofstream outputStream("Account.in", ios::app);
        if (!outputStream) {
            cout << "\n对不起!!!打开文件失败!!!!\n" << endl;
            cout << "按 Enter 键继续" << endl;
            cin.get();
            return;
        }
        outputStream << account << "\n" << passwd << "\n" << name << "\n" << pay <<endl;
        outputStream.close();
    }
    void AccountItem::addPerson() {
        cout << "\n根据下面提示输入新开户人信息\n" << endl;
        cout << "账号 :";
        cin >> account; fflush(stdin); // stdin是默认的输入流文件,对应输入缓冲区,fflush(stdin)的作用就是清空输入缓冲区,避免缓冲区内残存读取函数无法取走的内容!
        cout << "密码 :";
        cin >> passwd; fflush(stdin);
        cout << "姓名 :";
        cin >> name; fflush(stdin);
        cout << "开户金额 : ";
        cin >> pay; fflush(stdin);
        saveNew();
        cout << "\n\n\t开户成功,您的账号是 : " << account;
    	cout << "请牢记!" << endl;
        cout << "\n\n\t您的可用余额为 : " << pay << endl;
        cout << "\n\n新的账户信息已经保存好!!!!!\n" << endl;
        cout << "按 Enter 键继续" << endl;
        cin.get();   //直观的讲就是显示:”按任意键继续。。。“
    }
    ///* 以下 Accountbook 为帐号表单类。*///
    ///* 新增加一个新的Accountbook类    *///
    ///* 把修改后的账目存储到文件        *///
    class Accountbook {
    private :
        vector<AccountItem> v_Account;   // Account 对象数组
        size_t accountCount;       // 数组中的对象个数
    public:
    	Accountbook();       //构造函数
    	size_t loadAccountbook(ifstream& inputStream);     // 读入账目本
    
    	void storeAccountbook(ofstream& outputStream);     // 为修改账目本写文件
    
    	AccountItem findItem(string m_account);       // 在账目本中一个一个查询,看参数(No-形参)是否与(类似李雷这种)对象的账号匹配
    
    	bool updateItem(AccountItem item);     // 按所给对象修改对象内容,但是账号不能改哦! 修改账目中的一个记录
    };
    Accountbook::Accountbook() {
    	v_Account = vector<AccountItem> (100);
    	accountCount = 0;
    }
    size_t Accountbook::loadAccountbook(ifstream& inputStream) {
    	size_t i = 0;           /// 从文件中读入i个对象
    	while(true) {
    	    v_Account[i].read(inputStream);
    	    ++i;
            if(inputStream.fail()) break;
    	}
    	inputStream.close();         // 关闭文件
    	accountCount = i;
    	return accountCount;         // 返回读入对象的个数
    }
    void Accountbook::storeAccountbook(ofstream& outputStream) {
    	for(size_t i = 0; i < accountCount; ++i)   // 将对象组通过流输出到文件
            v_Account[i].write(outputStream);
    	outputStream.close();
    }
    // 按给定账号在账目本中查询
    AccountItem Accountbook::findItem(string m_account) {
    	for(size_t i = 0; i < accountCount; ++i) {
    		if(v_Account[i].getAccount() == m_account)
                return v_Account[i];
    	}
    	return AccountItem();   // 若未查询到,返回一个空对象
    }
    //按所给对象修改对象内容,但是账号不能改哦
    bool Accountbook::updateItem(AccountItem item) {
    	string number = item.getAccount();
    	//按账号在账目本中查询账号与所给对象相同的对象
    	for(size_t i = 0; i < accountCount; i++) {
    		if(v_Account[i].getAccount() == number) {
    			v_Account[i] = item;
    			return true;
    		}
    	}
    	return false;
    }
    void g_login() {
    	ifstream inputStream("Account.in");
    
    	string accNo;
    
    	Accountbook myAccountbook;   // myAccountbook 为 Accountbook 的一个对象
    	AccountItem myItem;          // myItem 为 AccountItem 的一个对象
    
        myAccountbook.loadAccountbook(inputStream);   // 读入账目本
    	cout << "  请插卡(即输入账号):"; cin >> accNo;
    
    	myItem = myAccountbook.findItem(accNo);    // 在账目本中查询
    	if(myItem.isNull()) {
    
    		cout << " ★★  账号不存在!\n\n\n\t☆★\t立宾提醒您重新操作" << endl;
    		return;
    	}
    	//读入密码
    
    	cout << "  请输入您的个人密码:";
        char *pw = new char[20];
    	cin >> pw;
    	//判断密码是否正确
    	if(myItem.getPasswd() != pw) {
    
    		cout<<"\t您输入的密码错误!\n\n\n\t☆★\t立宾提醒您重新操作"<<endl;
    		return;
    	}
    
    	double oldPay = myItem.getPay(); //取原存款余额
    	char w = '#';
        do {
            cout << "请选择交易密码 : " << endl;
            cout << "\n\tG (取钱)" << endl;
            cout << "\n\tE (存款)" << endl;
            cout << "\n\tC (查询余额)" << endl;
            cout << "\n\tX (修改密码)" << endl;
            cout << "\n\tZ (转账)" << endl;
            cout << "\n\tT (退卡)" << endl;
            string sel;
            cin >> sel; /// 判断用户需要做什么!
            if(sel == "C" || sel == "c") { //查询存款余额
                cout << "\n\n\t余额是 : " << myItem.getPay() << endl;
                shaohou();
            }
            else if(sel == "X" || sel == "x") { //修改密码
                cout<<"\t请输入原密码:";
                string pwd;
                cin >> pwd;
                if(myItem.getPasswd() != pwd) {
                    cout << "您输入的密码错误!\n\n\n\t☆★\t立宾提醒您重新操作";
                }
                else {
                    cout << "\n\n\t请输入新密码:";
                    cin >> pwd;
                    string rpwd;
                    cout << "\n\n\t请再输入一次新密码:";
                    cin >> rpwd;
                    if(rpwd != pwd) {
                        cout << "\n\n\t你输入的两次密码不相同, 请重新操作!" << endl;
                    }
                    else {
                        myItem.modifyPasswd(rpwd);
                        myAccountbook.updateItem(myItem);
                        cout << "\n\n\t密码修改成功,请牢记!" << endl;
                    }
                    /// 修改后的密码写到文件中
                    ofstream outputStream("Account.in");
                    myAccountbook.storeAccountbook(outputStream);
                }
            }
            else if(sel == "T"|| sel == "t") {//退卡
    
                cout << " \n\n\n        ★-★-☆-☆-★-★-☆-☆-★-★-☆-☆-★-★" << endl;
                cout << "\n\n\n\t  感谢你对本银行的支持,欢迎下次光临!"<< endl;
                cout << "   \n\n       ★-★-☆-☆-★-★-☆-☆-★-★-☆-☆-★-★" << endl;
                cout << "\n\n\t☆★ 请取卡 ......" << endl;
                cout << "\n\n    ★-★-☆-☆-★-★-☆-☆-★-★-☆-☆-★-★\n";
                exit(0);
            }
            else if(sel == "E" || sel == "e") { /// 存款
                cout << "请选择存款的数量 : " << endl;
                cout << "\n\t\t1 (存100)" << endl;
                cout << "\n\t\t2 (存200)" << endl;
                cout << "\n\t\t5 (存500)" << endl;
                cout << "\n\t\tA (存1000)" << endl;
                cout << "\n\t\tB (存2000)" << endl;
                char count;
                double ap;
                cin >> count;
                if(count == '1') ap = 100;
                else if(count == '2') ap = 200;
                else if(count == '5') ap = 500;
                else if(count == 'A') ap = 1000;
                else if(count == 'B') ap = 2000;
                else { cout << "\t\t选择错误" << endl; return; }
                cout<<"\n\n     ★☆★☆请按您选择的存款数量,塞入人民币☆★☆★ ";
                for(size_t i = 0; i < 4; ++i) {
                    shaohou();
                    shaohou();
                }
                /// 修改对象的存款余额
                myItem.addPay(ap);
                myAccountbook.updateItem(myItem);
                ofstream outputStream("Account.in");
                myAccountbook.storeAccountbook(outputStream);
                cout << "\n\n\n    ★☆★☆存款成功。您存入了" << ap << "元. ☆★☆★ ";
                for(size_t i = 0; i < 5; ++i) {
                    shaohou();
                }
            }
            else if(sel == "Z" || sel == "z") { // 转账
                cout << "\t请输入要转到账户的账号:";
                string otherAccount;
                cin >> otherAccount;
                AccountItem otherItem = myAccountbook.findItem(otherAccount);
                if(otherItem.isNull()) {
                    cout << " ★★  账号不存在!\n\n\n\t☆★\t立宾提醒您重新操作" << endl;
                    return;
                }
                else {
                    cout << "\t请输入转账金额 : ";
                    double zhuane;
                    cin >> zhuane;
                    oldPay = myItem.getPay();
                    if(oldPay < zhuane) {
                        cout << "\n\t存款余额不够!\n\n\n\t☆★\t立宾提醒您" << endl;
                    }
                    else { // 修改对象的存款余额
                        myItem.subPay(zhuane);
                        myAccountbook.updateItem(myItem); //将修改后的账目本写到文件中
                        ofstream outputStream1("Account.in");
                        myAccountbook.storeAccountbook(outputStream1);
                        outputStream1.close();
                        otherItem.addPay(zhuane);         /// 修改账目本
                        myAccountbook.updateItem(otherItem); /// 将修改后的账目本写到文件中
                        ofstream outputStream2("Account.in");
                        myAccountbook.storeAccountbook(outputStream2);
                        cout << "转账成功!\n\n\n\t☆★\t立宾提醒您" << endl;
                        outputStream2.close();
                        shaohou();
                        shaohou();
                        shaohou();
    
                    }
                }
            }
            else if(sel == "G" || sel == "g") {// 取款
                cout << "\t请选择取钱的数量:" << endl;
                cout << "\n\t\t1 (取100)" << endl;
                cout << "\n\t\t2 (取200)" << endl;
                cout << "\n\t\t5 (取500)" << endl;
                cout << "\n\t\tA (取1000)" << endl;
                cout << "\n\t\tB (取2000)" << endl;
                char count;
                double ap;
                cin >> count;
                if(count == '1') ap = 100.;
                else if(count == '2') ap = 200.;
                else if(count == '5') ap = 500.;
                else if(count == 'A') ap = 1000.;
                else if(count == 'B') ap = 2000.;
                else {
                    cout << "选择错误" << endl; return;
                }
                //判断存款余额是否够
                if(oldPay < ap) {
                    cout << "\n\t存款余额不够!" << endl;
                }
                else { //修改对象的存款余额
                    myItem.subPay(ap);
                    //修改账目本
                    myAccountbook.updateItem(myItem);
    
                    cout << "\t请取钱!" << endl;
                    //将修改后的账目本写到文件中
                    ofstream outputStream("Account.in");
                    myAccountbook.storeAccountbook(outputStream);
                }
            }
            shaohou();
            shaohou();
    
            cout << "\n\t你想继续进行其他操作吗?(y/n)" << endl;
            cin >> w;
    
        } while (w == 'y');
    }
    int main() {
        AccountItem tempAccount;
        while(true) {
            char xz;
            cout << "\n\n\t欢迎使用立宾国际ATM系统\n";
            cout << "\n\n\t请选择您要执行的操作:\n";
            cout << "\n\n\tA.开户服务\n";
            cout << "\n\n\tB.登录服务\n";
            cout << "\n\n\tC.退出。\n";
            cout << "\n\n\t请选择:";
            scanf("%c", &xz);
            switch(xz) {
                case 'a' :
                case 'A' : {
                    cout << "\n\n\t【开户服务】"; ///
                    tempAccount.addPerson();   /// 添加新人
                    break;
                }
                case 'b' :
                case 'B' : {
                    g_login();
                    break;
                }
                case 'c' :
                case 'C' : {
                    cout << "   \n\n\n     ★-★-☆-☆-★-★-☆-☆-★-★-☆-☆-★-★" << endl;
                    cout << "\n\t★★☆ 感谢您对本本银行的支持,欢迎下次光临! ☆★★\n";
                    exit(0);
                }
                default : {
                    cout << "\n\t您的选择错误!\n\n\n\t☆★\t立宾提醒您重新选择!" << endl;
                }
            }
            cout << "\n\n\t请选择您要执行的操作:\n";
        }
        return 0;
    }
    

    --------- Account.in ----------

    001
    lilei
    李雷
    1000
    002
    hanmei
    韩梅梅
    1000
    003
    wangwenhao
    王文豪
    3900
    004
    maoxu
    王冒旭
    4000
    005
    hongwu
    于洪武
    2000
    006
    xiaofei
    王小飞
    900
    007
    zhangli
    张丽丽
    1000

    // ---------------其他美观--------------

    void AccountItem::welcome() {
        for(int i = 0; i < 2; i++) {             //可以改变i的值,以美观
            cout << "\n\n\n\n\n\n\n\n";
            cout << "\t\t\t ●☆★◇◆○●☆★◇◆○●☆★◇◆○\n";
            cout << "\t\t\t◎        欢迎使用立宾国际ATM系统     ●\n";
            cout << "\t\t\t ●☆★◇◆○●☆★◇◆○●☆★◇◆○\n";
            cout << "\n\n\t\t      ★希望立宾国际ATM系统可以时刻给您带来方便!★";
            cout << "\n\n\n\n\t\t\t\t  陈立宾将竭诚为您提供优质的服务";
            shaohou();
            system("cls");
            cout << "\n\n\n\n\n\n\n\n";
            cout << "\t\t\t ○★☆◆◇●○★☆◆◇●○★☆◆◇●\n";
            cout << "\t\t\t●       欢迎使用立宾国际ATM系统      ◎\n";
            cout << "\t\t\t ○★☆◆◇●○★☆◆◇●○★☆◆◇● \n";
            cout << "\n\n\t\t      ☆希望立宾国际ATM系统可以时刻给您带来方便!☆";
            cout << "\n\n\n\n\t\t\t\t 陈立宾将竭诚为您提供优质的服务";
            shaohou();
            system("cls");
        }
    };
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  • 原文地址:https://www.cnblogs.com/robbychan/p/3787008.html
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