python实现银行管理系统.zip

# coding:utf-8 # 导入 import datetime import csv import pandas as pd import bank_tooks as bt import math # 对user_name的资金进行存取操作 def funds_trade(user_name): # k=0 with open('bank.csv', mode='r+', encoding='utf-8') as f1: next(f1) g = csv.reader(f1) final_list = list(g) length = int(len(final_list)) # print(length) # df=pd.read_csv("bank.csv",encoding="utf-8") for item in range(0,length): with open('bank.csv', mode='r+', encoding='utf-8') as f2: # next(f2) f_b = csv.reader(f2) bank_list = list(f_b) length_bank = int(len(final_list)) f2.close() year_money=0 for k in range(0,length_bank+1): if bank_list[k][0]==user_name: year_money=float(bank_list[k][3]) continue # print(year_money) # print("您的余额有{}\n".format(final_list[item][3])) saveMoney=int(input("请输入您存（+）取（-）的金额：")) new_money=year_money+saveMoney print("数据更新成功！") # with open('userInfo.csv', mode='r+', encoding='utf-8') as f3: # next(f3) # f3 = csv.reader(f3) # final_list = list(f3) # length2 = int(len(final_list)) # f3.close() time1_str = datetime.datetime.today() with open('bank.csv', mode='a+', encoding='utf-8') as f4: f4.write('\n{},{},{},{}'.format(user_name, time1_str, saveMoney, new_money)) print("数据保存成功！") if saveMoney>=0: print("您已成功存入{}元，当前余额：{}".format(saveMoney,new_money)) else: print("您已成功取出{}元，当前余额：{}".format(math.fabs(saveMoney),new_money)) yourChoice=int(input("继续存储请按【1】，返回主菜单请按【2】")) if yourChoice==1: # print(user_name) funds_trade(user_name) else: bt.show_menu(user_name) break # 打印交易详情 def funds_print(user_name): csv_data=pd.read_csv('bank.csv',encoding="utf-8") # # print(csv_data["用户名"].loc[1]) # for i in range(0,len(csv_data)): print(csv_data[(csv_data['用户名']==user_name)]) if __name__=="__main__": print("欢迎来到【银行资金管理系统】，请登录：") while(True): userChoice=int(input("直接登录请按【1】，注册请按【2】：")) if userChoice==1: userName1=input("请输入用户名") bt.user_login(userName1) break elif userChoice==2: bt.user_register() userName2 = input("请输入用户名") bt.user_login(userName2) break else: print("请输入合理值！") continue