C++实现银行系统 加入异常处理机制 增加界面、加入查询排序等操作 请写出源代码
时间: 2023-12-06 16:02:08 浏览: 38
很抱歉,我无法提供完整的源代码,因为这需要很多工作,而且我无法确定您需要的确切功能。但我可以给您一些示例代码来帮助您开始编写您的程序。
首先,以下是一个简单的银行账户类的示例代码:
```c++
#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <stdexcept>
using namespace std;
class BankAccount {
private:
string name;
string accountNumber;
double balance;
public:
BankAccount(string name, string accountNumber, double balance) {
this->name = name;
this->accountNumber = accountNumber;
this->balance = balance;
}
string getName() {
return name;
}
string getAccountNumber() {
return accountNumber;
}
double getBalance() {
return balance;
}
void deposit(double amount) {
if(amount <= 0) {
throw invalid_argument("Deposit amount must be positive");
}
balance += amount;
}
void withdraw(double amount) {
if(amount > balance) {
throw invalid_argument("Withdrawal amount exceeds balance");
}
balance -= amount;
}
bool operator<(const BankAccount& other) const {
return accountNumber < other.accountNumber;
}
};
```
以上代码定义了一个 BankAccount 类,其中包含了账户持有人的姓名、账号和余额,以及存款和取款的方法。类还包含了一个小于运算符重载,以便可以对帐户进行排序。
以下是一个简单的银行系统的示例代码:
```c++
#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <stdexcept>
using namespace std;
vector<BankAccount> accounts;
int findAccount(string accountNumber) {
for(int i = 0; i < accounts.size(); i++) {
if(accounts[i].getAccountNumber() == accountNumber) {
return i;
}
}
return -1;
}
void displayMenu() {
cout << "1. Create account" << endl;
cout << "2. Deposit" << endl;
cout << "3. Withdraw" << endl;
cout << "4. Display all accounts" << endl;
cout << "5. Sort accounts by account number" << endl;
cout << "6. Exit" << endl;
}
void createAccount() {
string name, accountNumber;
double balance;
cout << "Enter name: ";
cin >> name;
cout << "Enter account number: ";
cin >> accountNumber;
cout << "Enter balance: ";
cin >> balance;
BankAccount account(name, accountNumber, balance);
accounts.push_back(account);
cout << "Account created successfully" << endl;
}
void deposit() {
string accountNumber;
double amount;
cout << "Enter account number: ";
cin >> accountNumber;
int index = findAccount(accountNumber);
if(index == -1) {
cout << "Account not found" << endl;
return;
}
cout << "Enter amount to deposit: ";
cin >> amount;
try {
accounts[index].deposit(amount);
cout << "Deposit successful" << endl;
} catch(invalid_argument& e) {
cout << "Deposit failed: " << e.what() << endl;
}
}
void withdraw() {
string accountNumber;
double amount;
cout << "Enter account number: ";
cin >> accountNumber;
int index = findAccount(accountNumber);
if(index == -1) {
cout << "Account not found" << endl;
return;
}
cout << "Enter amount to withdraw: ";
cin >> amount;
try {
accounts[index].withdraw(amount);
cout << "Withdrawal successful" << endl;
} catch(invalid_argument& e) {
cout << "Withdrawal failed: " << e.what() << endl;
}
}
void displayAllAccounts() {
for(int i = 0; i < accounts.size(); i++) {
cout << "Name: " << accounts[i].getName() << endl;
cout << "Account number: " << accounts[i].getAccountNumber() << endl;
cout << "Balance: " << accounts[i].getBalance() << endl;
cout << endl;
}
}
void sortAccounts() {
sort(accounts.begin(), accounts.end());
cout << "Accounts sorted by account number" << endl;
}
int main() {
int choice;
do {
displayMenu();
cout << "Enter choice: ";
cin >> choice;
switch(choice) {
case 1:
createAccount();
break;
case 2:
deposit();
break;
case 3:
withdraw();
break;
case 4:
displayAllAccounts();
break;
case 5:
sortAccounts();
break;
case 6:
cout << "Exiting program" << endl;
break;
default:
cout << "Invalid choice" << endl;
break;
}
cout << endl;
} while(choice != 6);
return 0;
}
```
以上代码实现了一个简单的菜单系统,其中包括创建帐户、存款、取款、显示所有帐户和排序帐户等选项。在存款和取款时,使用 try-catch 块来处理异常情况。在排序时,使用 sort 函数将帐户按账号排序。
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