card_list = []

def init_card():

try:

with open('card.txt','r') as f:

card_list.extend(eval(f.read()))

# print(card_list) eval的作用相当于去掉字符串的'' 转为表达式

except:

pass

def headers():

print('*'*50)

print("1.添加名片")

print("2.删除名片")

print("3.修改名片")

print("4.查询名片")

print("5.退出系统(写入文件)")

print('*'*50)

# 姓名 电话 qq 地址

def table_head():

print('='*50)

print("姓 名:\t电 话:\tQQ:\t地 址:\t\t")

print('-'*50)

def add_card():

name = input("请输入姓名:")

phone = input("请输入电话:")

QQ = input("请输入qq:")

address = input("请输入地址:")

card = {}

card['name'] = name

card['phone'] = phone

card['QQ'] = QQ

card['address'] = address

card_list.append(card)

def search_card():

table_head()

# print(card_list)

for i in card_list:

print(i['name'],end = '\t')

print(i['phone'],end = '\t')

print(i['QQ'],end = '\t')

print(i['address'],end = '\t')

print('')

def write_2_file():

with open("card.txt",'w') as f:

f.write(str(card_list))

def delete_card():

name = input("请输入你要删除的名片名字：")

# [{'name': '23', 'phone': 'asdf', 'QQ': 'dfg', 'address': '3t'},

# {'name': 'ag', 'phone': 'sdg', 'QQ': 'gsdf', 'address': '2354'}]

j = 0

for i in card_list:

if i['name'] == name:

break

j += 1

if j < len(card_list):

del card_list[j]

def change_card():

name = input("请输入你要修改的名片名字：")

card = {}

j = 0

for i in card_list:

if i['name'] == name:

phone = input("请输入你要修改的名片电话（直接回车不修改）：")

card['name'] = i['name']

if phone:

card['phone'] = phone

else:

card['phone'] = i['phone']

QQ = input("请输入你要修改的名片QQ（直接回车不修改）：")

if QQ:

card['QQ'] = QQ

else:

card['QQ'] = i['QQ']

address = input("请输入你要修改的名片地址（直接回车不修改）：")

if address:

card['address'] = address

else:

card['address'] = i['address']

break

j += 1

print(card)

card_list[j] = card

if j >= len(card_list):

print("没有找到需要修改的名片")