def register(NAME, PWD, TEL):
with open('userdate.txt', 'a', encoding='utf-8') as f:
new = '&&'.join([NAME, PWD, TEL])
f.write('\n' + str(new))
return True
def same(NAME):
with open('userdate.txt', 'r', encoding='utf-8') as f:
for i in f:
name = i.split('&&')[0]
if name == NAME:
return True
return False
def login(NAME, PWD):
with open('userdate.txt', 'r', encoding='utf-8') as f:
for i in f:
if NAME == i.split('&&')[0] and PWD == i.split('&&')[1]:
return True
return False
def change(NAME, TEL):
with open('userdate.txt', 'r', encoding='utf-8') as f:
new = ''
for i in f:
if NAME == i.split('&&')[0] and TEL == i.split('&&')[2]:
newpwd = input('输入新的密码')
i = i.replace(i.split('&&')[1], newpwd)
new += i
# else:
# main()
with open('userdate.txt', 'w', encoding='utf-8') as f:
f.write(new)
return True
def delete(NAME, PWD):
with open('userdate.txt', 'r', encoding='utf-8') as f:
new = ''
for i in f:
if NAME == i.split('&&')[0] and PWD == i.split('&&')[1]:
i = '\n'
new += i
with open('userdate.txt', 'w', encoding='utf-8') as f:
f.write(new)
return True
def main():
print('1:注册，2：登录，3：变更，4：删除')
choice = input('请选择').strip()
if choice == '1':
NAME = input('输入用户名').strip()
if same(NAME):
print('用户名已被占用,重新输入')
main()
else:
PWD = input('输入密码').strip()
TEL = input('输入电话').strip()
if register(NAME, PWD, TEL):
print('注册成功')
if choice == '2':
NAME = input('输入用户名').strip()
PWD = input('输入密码').strip()
if login(NAME, PWD):
print('登录成功')
if choice == '3':
NAME = input('输入用户名').strip()
TEL = input('输入电话').strip()
if change(NAME, TEL):
print('修改成功')
if choice == '4':
NAME = input('输入用户名').strip()
PWD = input('输入密码').strip()
if delete(NAME, PWD):
print('删除成功')
else:
main()
main()
