python登陆接口----运维开发初学

摘要: 需求：输入用户名和密码，认证后显示欢迎信息，输错三次后锁定

思维导图：

需求：输入用户名和密码，认证后显示欢迎信息，输错三次后锁定



#!/usr/bin/env python
#coding:utf-8
import MySQLdb
conn=MySQLdb.connect(user='root',passwd='123456',host='192.168.2.71',db='login')
cur=conn.cursor()
cur_user=conn.cursor()
cur_user.execute("select * from t_account")
cur.execute("select * from lock_account")
user_names=cur_user.fetchall()
lock_names=cur.fetchall()

login_names={}#转换用户名和密码
for name,passwd in user_names:
login_names[name]=login_names.get(name,passwd)
print login_names

lock_users=[] #获取已经锁过的账号
for name in lock_names:
names=name[1]
lock_users.append(names)
print lock_users

retry_counter = 0
while retry_counter < 3 :#循环三次

user = raw_input('Username:').strip()
if len(user) ==0: #账号不为空
print "Username cannot be empty!"
continue
if user in lock_users:
print "username is already locked"
break

passwd = raw_input('Password:').strip()

if user in login_names and passwd==login_names[user]:
print login_names[user]
print "Welcome %s loging my system" % user
break
else:
retry_counter+=1
else:
cur.execute("insert into lock_account(name) values(%s)",user)
conn.commit()
print lock_users
print "Your are not allowed to login!,now will lock %s account" % user