python实现名片管理系统

import cards_tool
# 主业务逻辑
cards_tool.read_card()
 
 
# 1.显示用户主界面
while True:
 cards_tool.show_menu()
 menu_str = input("请选择执行的操作:")
 print("您选择的功能:%s" % menu_str)
 if menu_str == "1":
  cards_tool.create_card()
 elif menu_str == "2":
  cards_tool.show_card_all()
 elif menu_str == "3":
  cards_tool.search_card()
 elif menu_str == "0":
  cards_tool.write_card()
  break
 else:
  print("输入有误，请重新输入")

import os
card_info_all = [] # 所有名片信息
# 名片管理 具体功能
def write_card():
"""退出系统时，将名片信息保存到文件夹中"""
f = open("E:workspace_pythonFirstDemo名片管理系统.txt", "w")
f.write(str(card_info_all))
f.close()
def read_card():
"""进入系统时，将名片信息加载到内存中"""
is_exist = os.path.exists("E:workspace_pythonFirstDemo名片管理系统.txt")
if is_exist:
# 文件存在将信息加载到内存中
f = open("E:workspace_pythonFirstDemo名片管理系统.txt","r")
global card_info_all
card_info_all = eval(f.read())
# print(card_info_all)
f.close()
else:
# 没有文件创建空文件
f = open("E:workspace_pythonFirstDemo名片管理系统.txt", "w")
f.close()
print(is_exist)
def show_menu():
"""主菜单页面展示"""
print("*"*30)
print("欢迎使用[命名管理系统] v1.0")
print()
print("1.新建名片")
print("2.显示全部")
print("3.查询名片")
print()
print("0.退出系统")
print("*"*30)
def create_card():
"""新建名片"""
print("功能：新建名片")
name = input("请输入姓名:")
phone = input("请输入电话:")
qq = input("请输入qq号:")
email = input("请输入邮箱:")
card_info = {"name":name,"phone":phone, "qq":qq, "email":email}
card_info_all.append(card_info)
print("添加%s的名片成功" % name)
def show_card_all():
"""显示所有名片"""
print("功能：显示全部")
if not len(card_info_all):
print("没有任何名片")
return
print("name".ljust(14),"phone".ljust(14),"qq".ljust(14),"email".ljust(14),sep="")
print("-"*56)
for card in card_info_all:
print(card["name"].ljust(14),card["phone"].ljust(14),card["qq"].ljust(14),card["email"].ljust(14),sep="")
print("-"*56)
def search_card():
"""查询名片"""
print("功能：查询名片")
name = input("请输入查询的姓名:")
for card in card_info_all:
if name == card["name"]:
print("name".ljust(14), "phone".ljust(14), "qq".ljust(14), "email".ljust(14), sep="")
print("-" * 56)
print(card["name"].ljust(14), card["phone"].ljust(14), card["qq"].ljust(14), card["email"].ljust(14),sep="")
# 名片高级处理
set_card(card)
break;
else:
print("没有找到%s" % name)
def set_card(card):
"""名片的高级设置"""
while True:
menu = input("请输入对名片的操作：1.修改/ 2.删除/ 0.返回上一级")
if menu == "1":
name = input("请输入姓名:")
phone = input("请输入电话:")
qq = input("请输入qq号:")
email = input("请输入邮箱:")
card["name"] = name
card["phone"] = phone
card["qq"] = qq
card["email"] = email
print("%s 的名片修改成功" % name)
return
elif menu == "2":
card_info_all.remove(card)
print("删除名片成功")
return
elif menu == "0":
return
else:
print("输入有误，请重新输入")