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python3学生名片管理 python3学生名片管理v2.0版

CSDNgaoqingrui 人气:0

python学生名片管理vv2.0是在1.0的基础上增加部分功能,实现将数据存入文件保存,以便于程序停止后还能再次取到数据。具体实现请看如下部分:

card_main.py

import sys
from One.card_func2 import *

def head():
 print('*' * 30)
 print('学生信息管理系统v2.0')
 print('1.添加学生\t2.显示所有\t3.查询学生\t0.退出系统')
 print('*' * 30)


def main():
 while True:
 head()
 num = input('输入操作:')
 if num == '1':
  print('选择功能添加学生')
  add_card()
 elif num == '2':
  print('选择功能添显示所有')
  show_all()
 elif num == '3':
  print('选择功能查询学生')
  search_card()
 elif num == '0':
  sys.exit()
 else:
  print('输入有误,命令无效')


if __name__ == '__main__':
 main()

card_func2.py

import json
import time

stutent_list = []

def add_card():
 name = input('请输入姓名:')
 age = input('请输入年龄:')
 qq = input('请输入QQ:')
 mail = input('请输入邮箱:')
 dict = {}
 dict['name'] = name
 dict['age'] = age
 dict['qq'] = qq
 dict['mail'] = mail
 stutent_list.append(dict)
 memory(stutent_list)

def memory(stutent_list): # 将数据存入文件
 with open('student.json', 'w') as f:
 for i in stutent_list:
  json_i = json.dumps(i)
  f.write(json_i+'\n')
 f.close()


def repick(): # 从文件中去除数据
 risk_result = []
 with open('student.json', 'r') as f:
 risk_new_list = f.read().split('\n')[:-1]
 for x in risk_new_list:
  json_x = json.loads(x)
  risk_result.append(json_x)
 f.close()
 return risk_result


def show_all():
 global stutent_list
 stutent_list = repick()
 table_head()
 for dict in stutent_list:
 print('-' * 32)
 print('| %s\t|\t%s\t|\t%s\t|\t%s\t|' % (dict['name'], dict['age'], dict['qq'], dict['mail']))



def search_card():
 global stutent_list
 name = input('请输入查找学生的姓名:')
 for dict in stutent_list:
 if dict['name'] == name:
  table_head()
  print('-' * 32)
  print('| %s\t|\t%s\t|\t%s\t|\t%s\t|' % (dict['name'], dict['age'], dict['qq'], dict['mail']))
  print('您可以执行操作:1.删除\t2.修改\t3.返回上一级')
  deal_card(dict)
  break
 else:
 print('查无此人!!!')


def table_head():
 print('_' * 32)
 print('| 姓名\t|\t年龄\t|\tQQ\t|\t邮箱\t|')


def deal_card(dict):
 order = input('请输入命令:')
 while True:
 if order == '1':
  delete_card(dict)
  break
 elif order == '2':
  modify_card(dict)
  break
 elif order == '3':
  break
 else:
  print('输入有误,命令无效')

def delete_card(dict):
 print('执行命令,删除数据')
 stutent_list.remove(dict)
 print('...正在删除,请等待...')
 turnTime()
 print('删除成功,返回主界面')


def modify_card(dict):
 print('执行命令,修改数据')
 dict['name'] = input('请输入姓名:')
 dict['age'] = input('请输入年龄:')
 dict['qq'] = input('请输入QQ:')
 dict['mail'] = input('请输入邮箱:')
 print('...正在修改,请等待...')
 turnTime()
 print('修改成功,返回主界面')


def turnTime():
 for i in list(range(5, 0, -1)):
 print(i, 's')
 time.sleep(1)

以下部分为控制台效果截图:

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