C++银行管理系统.docx

基于C/C+实现银行管理系统声明：1. 本程序仅限个人交流和学习使用，切勿用于商业用途，一切源代码已经给出，可以根据自己的需要适当进行修改，但请保留原来的作者的版权信息。2. 程序里面难免有一些考虑不周到的地方，如果能够通过QQ或者邮箱告知，本人将万分感谢。 聊城大学 软件工程（和惠普合作培养软件开发）孙宇鹏2015年6月一 程序设计要求：设计并实现简单的银行存取款系统，系统主界面包括登录和注册两个选项，选择登录，提示用户输入银行帐号和密码，验证通过后进入主界面，主界面包括：存款、取款、查询余额、历史记录、修改密码等功能。注册功能让用户输入帐号和密码，在注册时要验证帐号是否已经存在。所有数据能够保存在文件中，退出系统后再次运行系统，之前注册的用户和存款信息都存在。二 程序实现的大致思路：1. 登陆界面和主界面的设计采用一行行printf输出。2. 登陆界面-主界面的切换采用system(“cls”)函数。3. 主界面的所有操作都涉及到了文件操作，所以采用3个文件分开储存和读取的方式。（1） 存取款以及查询余额：（2） 历史记录：（3） 账户密码信息：三、程序算法和数据结构：1.登陆用户：从文件里面读取信息，把用户名和密码分别压栈，读取结束，验证用户的名字和密码和栈顶元素是否匹配，不匹配栈顶元素出栈，直到栈的容量是空的时候。返回信息：用户或者密码错误。2.存款取款以及余额的查询：每次建立一个新的用户的时候，初始化此用户的所有信息。（主要是针对的余额）。从文件里面读取信息，采用二叉树的结构搜索用户。来实现查找。采用文件的重新写入来实现存取款。四、程序的一些设计的技巧以及注意情况：为了使程序模块化，我们要采用多文件的开发。也就是说，为了使程序简练，把一些需要重复利用的代码写到.h 的文件里面。五、代码实现：#include stdafx.h#include #include #include #include #include #include #include #include #include #include #include Welcome_UI.h#include Register_UI.h#include Sign_UI.h#include Secondary_UI.husing namespace std;class Bank_Managementprivate:string new_name;string pre_name;int password;double extra_money;public:void creat_user(string name, int pass);int sign_user(string name, int pass);double account_balance();void withdraw_money();void query_account();void change_password();Bank_Management operation1024;ofstream Rec_history(Historical records.txt, ios:in | ios:out | ios:app);int main_ui()printf(nn);printf(tt %cWelcome to use Bank Management System!%cn, 3, 3);printf(ttt %cCopyright by SunYu_peng!%cn, 4, 4);printf(ttt%c+ + + + + + + + + + + + + + + +%cn, 4, 4);printf(ttt+ Here is the system menu! +n);printf(ttt%c+ + + + + + + + + + + + + + + +%cn, 4, 4);printf(ttt+ +n);printf(ttt+ 1.Deposit money +n);printf(ttt+ +n);printf(ttt+ 2.Withdraw money +n);printf(ttt+ +n);printf(ttt+ 3.Query balance +n);printf(ttt+ +n);printf(ttt+ 4.Historical records +n);printf(ttt+ +n);printf(ttt+ 5.Change password +n);printf(ttt+ +n);printf(ttt+ 6.Save and exit +n);printf(ttt+ +n);printf(ttt%c+ + + + + + + + + + + + + + + +%cn, 4, 4);printf(tt Please enter the order that you want: );int order;cin order;if (order = 1)system(cls);operation0.account_balance();else if (order = 2)system(cls);operation0.withdraw_money();else if (order = 3)operation0.query_account();else if (order = 4)system(cls);printf(nnnn);Secondary_ui();printf(tAll dates have been saved in the file(Historical records.txt);Sleep(5000);system(cls);else if (order = 5)operation0.change_password();else if (order = 6)Rec_history The user decided to exit the system!n;system(cls);return 0;elseRec_history The user has done a wrong operation!The system exited!n;system(cls);return 0;void Bank_Management:creat_user(string name, int pass)new_name = name;password = pass;int Bank_Management:sign_user(string name, int pass)ifstream OpenFile(User name and password.txt);string get_name;int get_pass;stack sign;stringstream n;string pass_str;n pass_str;while (OpenFile get_name get_pass)stringstream temp;string temp_str;temp temp_str;string all_str = get_name + + temp_str;sign.push(all_str);while (sign.size() != 0)if (name + + pass_str = sign.top()pre_name = name;Rec_history The user : name has landed in the System . _money;ifstream Deposit_money(Account balance.txt);map Deposit_Money;map :iterator it;string temp;while (Deposit_money temp extra_money)if (temp = pre_name)extra_money = extra_money + _money;Rec_history The user : temp has deposited _money Yuann;Deposit_Money.insert(pair(temp, extra_money);Deposit_money.close();ofstream DepositMoney(Account balance.txt);for (it = Deposit_Money.begin(); it != Deposit_Money.end(); it+)DepositMoney first t second _money;string temp;ifstream Withdraw_money(Account balance.txt);map Withdraw_Money;map :iterator it;while (Withdraw_money temp extra_money)if (temp = pre_name)extra_money = extra_money - _money;Rec_history User : temp has withdrawed _money Yuann;Withdraw_Money.insert(pair(temp, extra_money);Withdraw_money.close();ofstream WithdrawMoney(Account balance.txt);for (it = Withdraw_Money.begin(); it != Withdraw_Money.end(); it+)WithdrawMoney first t second n;WithdrawMoney.close();Sleep(1000);system(cls);void Bank_Management:query_account()system(cls);printf(nnnn);Secondary_ui();ifstream Read_only(Account balance.txt);string temp;double extra;cout tttt Name t temp extra)if (temp = pre_name)cout tttt temp t extra endl;Read_only.close();Rec_history The user : temp has Queried her/his accout!n;Sleep(5000);system(cls);void Bank_Management:change_password()ifstream OpenFile(User name and password.txt);string temp;int pass;map change_password;map :iterator it;system(cls);printf(nnnn);Secondary_ui();printf(ttPlease enter the new password you want:);double new_pass;cin new_pass;while (OpenFile temp pass)if (temp = pre_name)pass = new_pass;change_password.insert(pair(temp, pass);OpenFile.close();ofstream res_pass(User name and password.txt);for (it = change_password.begin(); it != change_password.end(); it+)res_pass first t second n;Rec_history The user pre_name has changed his/her password!n;Sleep(1000);system(cls);int main()string name;int password;int creat_num;Rec_history order;if (order = 1)printf(tt Please enter the previous users name:t);cin name;printf(tt Please enter previous users password:t);cin password;if (operation0.sign_user(name, password) = 1)system(cls);main_ui( );elseprintf(tSorry,you have done a wrong operation!Please restart the system again! an);Rec_history The user whose name is name creat_num;for (int i = 0; i name;printf(tt Plea