Python課堂基礎實踐系列：

Python基礎項目實踐之：學生信息管理系統

python基礎項目實踐之: 學生通訊錄管理系統

Python基礎項目實踐之：面向對象方法模擬簡單計算器

Python基礎項目實踐之：面向對象方法實現模擬銀行管理系統

面向對象方法實現模擬銀行管理系統
代碼如下：

import prettytable as pt # 表格形式顯示 import timebank_log = [] # 初始化銀行交易日志class Bank:'''銀行類'''def __init__(self):"""初始化"""self.money = 0 # 封裝和初始化金額self.bank_log = bank_logdef deposit(self):"""存款"""amount = float(input("請輸入存款金額： "))self.money += amountself.write_log(amount, '轉入')def withdrawl(self):"""取款"""amount = float(input("請輸入取款金額： "))if amount > self.money:print("余額不足")else:self.money -= amountself.write_log(amount, "消費")def transaction_log(self):"""打印交易日志"""tb = pt.PrettyTable()tb.field_names = ['交易日期', '摘要', '金額', '幣種', '余額'] # 設置表頭for info in self.bank_log:# 判斷轉入還是消費，為金額前添加“+” 或“-”if info[1] == '轉入':amout = "+{}".format(info[2])else:amout = "-{}".format(info[2])tb.add_row([info[0], info[1], amout, '人民幣', info[3]])print(tb)def write_log(self, amount, handle):"""寫入日志"""# 按照指定形式獲取時間creat_time = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(time.time()))data = [creat_time, handle, amount, self.money] # 組裝列表self.bank_log.append(data) # 寫入日志信息def display():"""顯示菜單欄"""menu = """====================銀行賬戶資金交易管理====================0：退出1：存款2：取款3：打印交易詳情=========================================================="""print(menu)if __name__ == '__main__':display() # 顯示菜單account = Bank() # 創建對象while True:choice = int(input("請輸入您的選擇： "))if choice == 0:exit(0)print("退出系統")elif choice == 1:flag = Truewhile flag:# deposit_money = float(input('存款金額： '))account.deposit()flag = True if input("是否繼續存款（yes/no）: ").lower() == "yes" else Falseelif choice == 2:flag = Truewhile flag:# wd_money = float(input("取款金額： "))account.withdrawl()flag = True if input("是否繼續取款（yes/no）:").lower() == 'yes' else Falseelif choice == 3:account.transaction_log()else:print("請重新選擇正確的序號") import prettytable as pt # 表格形式顯示 import timebank_log = [] # 初始化銀行交易日志class Bank:'''銀行類'''def __init__(self):"""初始化"""self.money = 0 # 封裝和初始化金額self.bank_log = bank_logdef deposit(self):"""存款"""amount = float(input("請輸入存款金額： "))self.money += amountself.write_log(amount, '轉入')def withdrawl(self):"""取款"""amount = float(input("請輸入取款金額： "))if amount > self.money:print("余額不足")else:self.money -= amountself.write_log(amount, "消費")def transaction_log(self):"""打印交易日志"""tb = pt.PrettyTable()tb.field_names = ['交易日期', '摘要', '金額', '幣種', '余額'] # 設置表頭for info in self.bank_log:# 判斷轉入還是消費，為金額前添加“+” 或“-”if info[1] == '轉入':amout = "+{}".format(info[2])else:amout = "-{}".format(info[2])tb.add_row([info[0], info[1], amout, '人民幣', info[3]])print(tb)def write_log(self, amount, handle):"""寫入日志"""# 按照指定形式獲取時間creat_time = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(time.time()))data = [creat_time, handle, amount, self.money] # 組裝列表self.bank_log.append(data) # 寫入日志信息def display():"""顯示菜單欄"""menu = """====================銀行賬戶資金交易管理====================0：退出1：存款2：取款3：打印交易詳情=========================================================="""print(menu)if __name__ == '__main__':display() # 顯示菜單account = Bank() # 創建對象while True:choice = int(input("請輸入您的選擇： "))if choice == 0:exit(0)print("退出系統")elif choice == 1:flag = Truewhile flag:# deposit_money = float(input('存款金額： '))account.deposit()flag = True if input("是否繼續存款（yes/no）: ").lower() == "yes" else Falseelif choice == 2:flag = Truewhile flag:# wd_money = float(input("取款金額： "))account.withdrawl()flag = True if input("是否繼續取款（yes/no）:").lower() == 'yes' else Falseelif choice == 3:account.transaction_log()else:print("請重新選擇正確的序號") import prettytable as pt # 表格形式顯示 import timebank_log = [] # 初始化銀行交易日志class Bank:'''銀行類'''def __init__(self):"""初始化"""self.money = 0 # 封裝和初始化金額self.bank_log = bank_logdef deposit(self):"""存款"""amount = float(input("請輸入存款金額： "))self.money += amountself.write_log(amount, '轉入')def withdrawl(self):"""取款"""amount = float(input("請輸入取款金額： "))if amount > self.money:print("余額不足")else:self.money -= amountself.write_log(amount, "消費")def transaction_log(self):"""打印交易日志"""tb = pt.PrettyTable()tb.field_names = ['交易日期', '摘要', '金額', '幣種', '余額'] # 設置表頭for info in self.bank_log:# 判斷轉入還是消費，為金額前添加“+” 或“-”if info[1] == '轉入':amout = "+{}".format(info[2])else:amout = "-{}".format(info[2])tb.add_row([info[0], info[1], amout, '人民幣', info[3]])print(tb)def write_log(self, amount, handle):"""寫入日志"""# 按照指定形式獲取時間creat_time = time.strftime("%Y-%m-%d %H:%M:%S", time.localtime(time.time()))data = [creat_time, handle, amount, self.money] # 組裝列表self.bank_log.append(data) # 寫入日志信息def display():"""顯示菜單欄"""menu = """====================銀行賬戶資金交易管理====================0：退出1：存款2：取款3：打印交易詳情=========================================================="""print(menu)if __name__ == '__main__':display() # 顯示菜單account = Bank() # 創建對象while True:choice = int(input("請輸入您的選擇： "))if choice == 0:exit(0)print("退出系統")elif choice == 1:flag = Truewhile flag:# deposit_money = float(input('存款金額： '))account.deposit()flag = True if input("是否繼續存款（yes/no）: ").lower() == "yes" else Falseelif choice == 2:flag = Truewhile flag:# wd_money = float(input("取款金額： "))account.withdrawl()flag = True if input("是否繼續取款（yes/no）:").lower() == 'yes' else Falseelif choice == 3:account.transaction_log()else:print("請重新選擇正確的序號")

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