自动化学习-Day04

#1、注册：
    # 账号和密码存在文件里面
    # username,123456
    # username2,abc123
#1、读写文件
#   1、要从文件里面提取出来所有的用户名
#   2、将注册成功的账号和密码写入文件

f = open('user.txt','a+')
f.seek(0)
res = f.read()
all_user_name = []
for i in res.split('\n'):
    username = i.split(',')[0]
    all_user_name.append(username)

for i in range(3):
    username = input('username:').strip()
    pwd = input('pwd:').strip()
    cpwd = input('cpwd:').strip()
    if not (len(username) >= 6 and len(username) <=20 ):
        print('用户名长度不合法')

    elif not (len(pwd) >= 8 and len(pwd) <=20 ):
        print('密码长度不合法')
    elif cpwd != pwd:
        print('两次输入的密码不一致')
    elif username in all_user_name:
        print('用户名已被注册')
    else:
        user_info = '%s,%s\n'%(username,pwd)
        f.write(user_info)
        print('注册成功')
        break
else:
    print('错误次数多过')
f.close()

#将从文件中读出的用户名和密码转换成字典方式
#输入与字典匹配成功，即可登陆
all_user ={}
res = open('user.txt').read()
for r in res.split('\n'):
    if r.strip() != '':
        username = r.split(',')[0]
        pwd = r.split(',')[1]
        all_user[username] = pwd
for i in range(3):
    username = input('username:')
    pwd = input('pwd:')
    if username in all_user:
        if pwd == all_user.get(username):
            print('欢迎登陆')
        else:
            print('账户/密码错误')
    else:
        print('该用户未注册')

res = open('user.txt').read()
username = input('username:')
pwd = input('pwd:')
user_info = username +','+pwd
if user_info in res:
    print('登陆成功')
else:
    print('登陆失败')

s='abcdef'

users = ['username','user2','user3']
# username,user2,user3

res = ','.join(users)#1、把list变成了字符串 2、把list里面每一个元素用逗号连接起来
print(res)
print(s.find('z'))#返回-1
#print(s.index('z'))#报错
print(s.count('z'))
print('0'.isdigit())#判断是否为正整数
print(s.islower())
print(s.isupper())
print('acbe123'.isalnum()) #判断字符串里面有英文或者有数字。

print('acbe'.isalpha()) #只能是字母,都是字母才返回ture

print(s.isspace())#判断是否的空格
print(s.splitlines())#以换行符分割字符串

import string
print(string.ascii_lowercase)
print(string.ascii_uppercase)
print(string.digits)
print(string.punctuation) #特殊符号
print(string.ascii_letters) #大小写字母

#使用0补全数值
l = list(range(1,100))
new_l = []
for i in l:
    si = str(i)
    if len(si) == 1:
        new_i = '00' + si
        new_l.append(new_i)
    elif len(si) == 2:
        new_i = '0' + si
        new_l.append(new_i)
    else:
        new_i = si
        new_l.append(new_i)
print(new_l)

#第二种方式
l = list(range(1,100))
new_l2 = []
for i in l:
    si = str(i)
    new_l2.append(si.zfill(5))
print(new_l2)

r 只读，打开文件不存的话，会报错
w  只写，会清空原来文件的内容
a  追加写，不会请求，打开的文件不存在的话，也会帮你新建一个文件

r+  读写模式
w+  写读模式
a+  追加读模式w+,a+打开不存在的文件不会报错，会自动生成该文件
r+打开不存在的文件会报错

f = open('users2.txt','a+',encoding='utf-8')
f.seek(0)
print(f.read())

f.write('a+模式')
f.write('hahaha')
print('读',f.read())#获取到文件里面所有的内容
print(f.readlines())#获取到文件里面所有的内容，读出后是一个数组
print(f.readline())#读取一行

f = open('users2.txt','a+')
f1 = open('hello.txt','a+')
f.seek(0)
a = f.readlines()
print(a)
for i in a:
    f1.write(i+'\n')

u='abc,123'
f1.writelines(u)

f = open('user.txt',encoding='utf-8')
while True:
    line = f.readline()
    if line !='':
        print('line:',line)
    else:
        print('文件读取完毕')
        break

f = open('user.txt',encoding='utf-8')
for line in f:
    print(line)

#1、要从日志里面找到1分钟之内访问超过200次的
#2、每分钟都运行一次

# 1、读取文件内容，获取到ip地址
# 2、把每个ip地址存起来 {}
# 3、判断ip访问的次数是否超过200次
# 4、加入黑名单 print

#['118.24.4.30','118.24.4.30','118.24.4.30','118.1xx.x.xx','118.1xx.x.xx']
# {
#     '118.23.3.40':2,
#     '118.23.3.41':5
# }
import time
point = 0 #初始的位置
while True:
    ips = {}
    f = open('access.log',encoding='utf-8')
    f.seek(point)
    for line in f: #循环取文件里面每行数据
        ip = line.split()[0] #按照空格分割，取第一个元素就ip
        if ip in ips:#判断这个ip是否存在
            # ips[ip] = ips[ip]+1
            ips[ip]+=1#如果存在的话，次数加+1
        else:
            ips[ip]=1 #如果不存在ip的次数就是1
    point = f.tell() #记录文件指针位置
    f.close()
    for ip,count in ips.items():#循环这个字典，判断次数大于200的
        if count>=200:
            print('%s 加入黑名单'%ip)
    time.sleep(60)

#简单、粗暴直接的
f = open(r'C:\Users\Desktop\file.txt',encoding='utf-8')
res = f.read().replace('一点','二点')
f.close()
f = open(r'C:\Users\Desktop\file.txt',mode='w',encoding='utf-8')
f.write(res)
f.flush() #立即把缓冲区里面的内容，写到磁盘上
f.close()

f = open(r'D:\file.txt','a+',encoding='utf-8')
f.seek(0)
res = f.read().replace('唐','TANG')
f.seek(0)
f.truncate() #清空文件里面的内容
f.write(res)
f.close()

import os
f = open(r'D:\file.txt',encoding='utf-8')
f2 = open(r'D:\file.txt.bak','w',encoding='utf-8')
for line in f:
    new_line = line.replace('TANG','唐')
    f2.write(new_line)
f.close()
f2.close()
os.remove(r'D:\file.txt')
os.rename(r'D:\file.txt.bak',r'D:\file.txt')

import os
with open('file.txt',encoding='utf-8') as f, open('file.txt.bak','w',encoding='utf-8') as f2:
    for line in f:
        new_line = line.replace('hello','world')
        f2.write(new_line)
os.remove('file.txt')
os.rename('file.txt.bak','file.txt')

s='''
{
        "error_code": 0,
        "stu_info": [
                {
                        "id": 309,
                        "name": "小白",
                        "sex": "男",
                        "age": 28,
                        "addr": "河南省济源市北海大道32号",
                        "grade": "天蝎座",
                        "phone": "18512572946",
                        "gold": 100
                },
                {
                        "id": 310,
                        "name": "小白",
                        "sex": "男",
                        "age": 28,
                        "addr": "河南省济源市北海大道32号",
                        "grade": "天蝎座",
                        "phone": "18516572946",
                        "gold": 100
                }
        ]
}

'''

import json
res = json.loads(s) #json串（字符串），转成字典
print(res)
print(res.keys())
print(type(res))

stus = {'xiaojun':'123456','xiaohei':'7891','tan':'11111'
        ,'海龙':'111'}
res2 = json.dumps(stus,indent=8,ensure_ascii=False) #把字典对象转成字符串
print(res2)
print(type(res2))
with open('stus.json','w',encoding='utf-8') as f:
    f.write(res2)

f = open('stus.json',encoding='utf-8')
content = f.read()
user_dic = json.loads(content) 
print(user_dic)

f = open('stus.json',encoding='utf-8')
user_dic = json.load(f) 
print(user_dic)

stus = {'xiaojun':'123456','xiaohei':'7891','tan':'11111'
        ,'海龙':'111'}

res2 = json.dumps(stus,indent=8,ensure_ascii=False)
print(res2)
with open('stus1.json','w',encoding='utf-8') as f:
    f.write(res2)

f = open('stus2.json','w',encoding='utf-8')
json.dump(stus,f,indent=4,ensure_ascii=False)

# 函数、方法，实现特定功能的一坨代码
# 提高代码的复用性
import json
def my():
    print('函数')
#函数必须得调用才会执行

#函数里面定义的变量，就是局部变量，局部变量只在函数里面可以使用
#出了函数外面之后，就不能使用了。

def get_file_content(file_name):#形参，形式参数
    #入参：传入一个文件名
    #返回值：文件内容转成字典,返回
    with open(file_name,encoding='utf-8') as f:
        res = json.load(f)
        return res
#一个函数只做一件事
abc = get_file_content('stus.json') #实参，实际参数
# print(abc)
def write_file(filename,content):
    with open(filename,'w',encoding='utf-8') as f:
        json.dump(content,f,ensure_ascii=False,indent=4)
        # f.write(json.dumps(content))

d={'name':'nhy','sex':'nan'}
d2={'aaa':'xxx','a':1}
write_file('nhy.json',d)
write_file('yanfan.json',d2)

def my():
    return 1

def my2():
    res = my()
    print(res+1)

my2()