C++实现银行存款功能.doc

#include #include using namespace std;class BankCardpublic:BankCard(float bal, string pass): balance(bal), password(pass) ;virtual void Widraw();void Save();protected:float balance; /存款string password; /密码;void BankCard:Widraw()float wid;int i;char p;string pass;cout 请输入密码: endl;for( i = 0; i pass;if( pass = password )break;elseprintf( 密码出错,请重新输入！n );continue;if( 3 = i )printf( 取款失败，退出！n );return;cout 请输入取款金额: wid;if( balance wid )cout 对不起，您的账户余额不足: endl;elsebalance = balance - wid; /wid为输入的取款金额，提示是否显示余额cout p;if( y = p | Y = p)cout 您的账户余额为: balance endl;void BankCard:Save()float sav;char p;cout sav;balance=balance+sav;/sav为输入的存款金额，提示是否显示余额cout p;if( y = p | Y = p)cout 您的账户余额为: balance endl;class ForegnBankCard : public BankCardpublic:ForegnBankCard( double bal, string pass ) : BankCard(bal, pass) ;void Widraw();private:;void ForegnBankCard:Widraw()float wid;char p;int i;string pass;cout 请输入密码: endl;for( i = 0; i pass;if( pass = password )break;elseprintf( 密码出错,请重新输入！n );continue;if( 3 = i )printf( 取款失败，退出！n );return;cout 请输入取款金额: wid;if( balance wid + wid*0.01 )cout 对不起，您的账户余额不足: endl;elsebalance = balance - wid - wid*0.01;/wid为输入的取款金额，提示是否显示余额cout p;if( y = p | Y = p)cout 您的账户余额为: balance endl;class LimitedBankCard : public BankCardpublic:LimitedBankCard( double bal, string pass ) : BankCard(bal, pass) ;void Widraw();private:;void LimitedBankCard:Widraw()float wid;char p;int i;string pass;cout 请输入密码: endl;for( i = 0; i pass;if( pass = password )break;elseprintf( 密码出错,请重新输入！n );continue;if( 3 = i )printf( 取款失败，退出！n );return;cout 请输入取款金额: endl;for( i = 0; i wid;if( balance 1000 )cout 对不起，您的取款金额大于1000或账户余额不足: endl;continue;elsebalance = balance - wid;/wid为输入的取款金额，提示是否显示余额if( 3 = i)printf(达到最大次数，取款失败，退出！n);return;cout p;if( y = p | Y = p)cout 您的账户余额为: balance endl;void main()BankCard bc(10000,123456);bc.Widraw();bc.Save();ForegnBankCard fbc(10000,123456);fbc.Wid