Python基础项目实践之：面向对象方法实现模拟银行管理系统

桃扇骨 2022-12-16 09:23 165阅读 0赞

Python课堂基础实践系列：

[Python基础项目实践之：学生信息管理系统][Python]

[python基础项目实践之: 学生通讯录管理系统][python_]

[Python基础项目实践之：面向对象方法模拟简单计算器][Python 1]

[Python基础项目实践之：面向对象方法实现模拟银行管理系统][Python 2]

面向对象方法实现模拟银行管理系统  
代码如下：

import prettytable as pt   # 表格形式显示
    import time
    
    bank_log = []    # 初始化银行交易日志
    
    class Bank:
        '''银行类'''
        def __init__(self):
            """初始化"""
            self.money = 0    # 封装和初始化金额
            self.bank_log = bank_log
    
        def deposit(self):
            """存款"""
            amount = float(input("请输入存款金额： "))
            self.money += amount
            self.write_log(amount, '转入')
    
        def withdrawl(self):
            """取款"""
            amount = float(input("请输入取款金额： "))
            if amount > self.money:
                print("余额不足")
            else:
                self.money -= amount
                self.write_log(amount, "消费")
    
        def transaction_log(self):
            """打印交易日志"""
            tb = pt.PrettyTable()
            tb.field_names = ['交易日期', '摘要', '金额', '币种', '余额']  # 设置表头
            for info in self.bank_log:
                # 判断转入还是消费，为金额前添加“+” 或“-”
                if info[1] == '转入':
                    amout = "+{}".format(info[2])
                else:
                    amout = "-{}".format(info[2])
                tb.add_row([info[0], info[1], amout, '人民币', info[3]])
            print(tb)
    
        def write_log(self, amount, handle):
            """写入日志"""
            # 按照指定形式获取时间
            creat_time = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(time.time()))
            data = [creat_time, handle, amount, self.money]  # 组装列表
            self.bank_log.append(data)  # 写入日志信息
    
    
    def display():
        """显示菜单栏"""
        menu = """ ====================银行账户资金交易管理==================== 0：退出 1：存款 2：取款 3：打印交易详情 ========================================================== """
        print(menu)
    
    
    if __name__ == '__main__':
        display()  # 显示菜单
        account = Bank()  # 创建对象
        while True:
            choice = int(input("请输入您的选择： "))
            if choice == 0:
                exit(0)
                print("退出系统")
            elif choice == 1:
                flag = True
                while flag:
                    # deposit_money = float(input('存款金额： '))
                    account.deposit()
                    flag = True if input("是否继续存款（yes/no）: ").lower() == "yes" else False
            elif choice == 2:
                flag = True
                while flag:
                    # wd_money = float(input("取款金额： "))
                    account.withdrawl()
                    flag = True if input("是否继续取款（yes/no）:").lower() == 'yes' else False
            elif choice == 3:
                account.transaction_log()
            else:
                print("请重新选择正确的序号")
    import prettytable as pt   # 表格形式显示
    import time
    
    bank_log = []    # 初始化银行交易日志
    
    class Bank:
        '''银行类'''
        def __init__(self):
            """初始化"""
            self.money = 0    # 封装和初始化金额
            self.bank_log = bank_log
    
        def deposit(self):
            """存款"""
            amount = float(input("请输入存款金额： "))
            self.money += amount
            self.write_log(amount, '转入')
    
        def withdrawl(self):
            """取款"""
            amount = float(input("请输入取款金额： "))
            if amount > self.money:
                print("余额不足")
            else:
                self.money -= amount
                self.write_log(amount, "消费")
    
        def transaction_log(self):
            """打印交易日志"""
            tb = pt.PrettyTable()
            tb.field_names = ['交易日期', '摘要', '金额', '币种', '余额']  # 设置表头
            for info in self.bank_log:
                # 判断转入还是消费，为金额前添加“+” 或“-”
                if info[1] == '转入':
                    amout = "+{}".format(info[2])
                else:
                    amout = "-{}".format(info[2])
                tb.add_row([info[0], info[1], amout, '人民币', info[3]])
            print(tb)
    
        def write_log(self, amount, handle):
            """写入日志"""
            # 按照指定形式获取时间
            creat_time = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(time.time()))
            data = [creat_time, handle, amount, self.money]  # 组装列表
            self.bank_log.append(data)  # 写入日志信息
    
    
    def display():
        """显示菜单栏"""
        menu = """ ====================银行账户资金交易管理==================== 0：退出 1：存款 2：取款 3：打印交易详情 ========================================================== """
        print(menu)
    
    
    if __name__ == '__main__':
        display()  # 显示菜单
        account = Bank()  # 创建对象
        while True:
            choice = int(input("请输入您的选择： "))
            if choice == 0:
                exit(0)
                print("退出系统")
            elif choice == 1:
                flag = True
                while flag:
                    # deposit_money = float(input('存款金额： '))
                    account.deposit()
                    flag = True if input("是否继续存款（yes/no）: ").lower() == "yes" else False
            elif choice == 2:
                flag = True
                while flag:
                    # wd_money = float(input("取款金额： "))
                    account.withdrawl()
                    flag = True if input("是否继续取款（yes/no）:").lower() == 'yes' else False
            elif choice == 3:
                account.transaction_log()
            else:
                print("请重新选择正确的序号")
    import prettytable as pt   # 表格形式显示
    import time
    
    bank_log = []    # 初始化银行交易日志
    
    class Bank:
        '''银行类'''
        def __init__(self):
            """初始化"""
            self.money = 0    # 封装和初始化金额
            self.bank_log = bank_log
    
        def deposit(self):
            """存款"""
            amount = float(input("请输入存款金额： "))
            self.money += amount
            self.write_log(amount, '转入')
    
        def withdrawl(self):
            """取款"""
            amount = float(input("请输入取款金额： "))
            if amount > self.money:
                print("余额不足")
            else:
                self.money -= amount
                self.write_log(amount, "消费")
    
        def transaction_log(self):
            """打印交易日志"""
            tb = pt.PrettyTable()
            tb.field_names = ['交易日期', '摘要', '金额', '币种', '余额']  # 设置表头
            for info in self.bank_log:
                # 判断转入还是消费，为金额前添加“+” 或“-”
                if info[1] == '转入':
                    amout = "+{}".format(info[2])
                else:
                    amout = "-{}".format(info[2])
                tb.add_row([info[0], info[1], amout, '人民币', info[3]])
            print(tb)
    
        def write_log(self, amount, handle):
            """写入日志"""
            # 按照指定形式获取时间
            creat_time = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(time.time()))
            data = [creat_time, handle, amount, self.money]  # 组装列表
            self.bank_log.append(data)  # 写入日志信息
    
    
    def display():
        """显示菜单栏"""
        menu = """ ====================银行账户资金交易管理==================== 0：退出 1：存款 2：取款 3：打印交易详情 ========================================================== """
        print(menu)
    
    
    if __name__ == '__main__':
        display()  # 显示菜单
        account = Bank()  # 创建对象
        while True:
            choice = int(input("请输入您的选择： "))
            if choice == 0:
                exit(0)
                print("退出系统")
            elif choice == 1:
                flag = True
                while flag:
                    # deposit_money = float(input('存款金额： '))
                    account.deposit()
                    flag = True if input("是否继续存款（yes/no）: ").lower() == "yes" else False
            elif choice == 2:
                flag = True
                while flag:
                    # wd_money = float(input("取款金额： "))
                    account.withdrawl()
                    flag = True if input("是否继续取款（yes/no）:").lower() == 'yes' else False
            elif choice == 3:
                account.transaction_log()
            else:
                print("请重新选择正确的序号")

[Python]: https://blog.csdn.net/My_daily_life/article/details/109962134
[python_]: https://blog.csdn.net/My_daily_life/article/details/109221501
[Python 1]: https://blog.csdn.net/My_daily_life/article/details/109194218
[Python 2]: https://blog.csdn.net/My_daily_life/article/details/109169145