持续更新中…(详情请查看原文链接,博主是大佬~)
import random
import string
def num_code(length=6):
"""
生成长度为length的数字随机验证码
:param length: 验证码长度
:return: 验证码
"""
return ''.join(random.choice(string.digits) for i in range(0, length))
import string
import random
num = string.digits
nonce = ''.join(random.sample(num,4)) # 随机数
print(nonce)
# 5619
s = string.ascii_letters
echostr = ''.join(random.sample(s,4)) # 随机字符串
print(echostr)
# ZbNn
import uuid
print(''.join(str(uuid.uuid4()).split('-'))) # 32位 uuid
import hashlib
# md5加密
def md5_encrypt(en_str):
"""
使用md5二次加密生成32位的字符串
:param en_str: 需要加密的字符串
:return: 加密后的字符串
"""
md5 = hashlib.md5() # 使用MD5加密模式
md5.update(en_str.encode('utf-8')) # 将参数字符串传入
md5.update(md5.hexdigest().encode('utf-8')) # md5二次加密
return md5.hexdigest()
import uuid
import hashlib
def only_token():
"""
使用md5加密uuid生成唯一的32位token
:return: 加密后的字符串
"""
md5 = hashlib.md5() # 使用MD5加密模式
md5.update(str(uuid.uuid1()).encode('utf-8'))
return md5.hexdigest()
数据表
#验证码管理表
class AuthCode(models.Model):
name = models.CharField(max_length=10,default=None, null=True, blank=True,verbose_name='姓名')
phone = models.CharField(max_length=11, unique=True, verbose_name='手机号')
code = models.CharField(max_length=6,verbose_name='验证码')
purpose = models.IntegerField(default=0,verbose_name='用途:0->注册验证 1->找回密码 2->其它')
sendNum = models.IntegerField(default=0,verbose_name='发送次数')
isCanGet = models.BooleanField(default=0,verbose_name='0->可以获取,1->不可以获取')
recentlySendTime = models.DateTimeField(auto_now_add=True,verbose_name='最近一次发送时间')
creation_time = models.DateTimeField(auto_now=True, verbose_name='创建时间')
class Meta:
verbose_name = '手机验证码'
verbose_name_plural = verbose_name
实现逻辑
import http.client
import urllib
# 使用互亿无线
host = "106.ihuyi.com"
sms_send_uri = "/webservice/sms.php?method=Submit"
# 查看用户名 登录用户中心->验证码通知短信>产品总览->API接口信息->APIID
account = "你的用户名"
# 查看密码 登录用户中心->验证码通知短信>产品总览->API接口信息->APIKEY
password = "你的密码"
def send_sms(text, mobile):
text = f"您的验证码是:{text}。请不要把验证码泄露给其他人。"
params = urllib.parse.urlencode(
{'account': account, 'password': password, 'content': text, 'mobile': mobile, 'format': 'json'})
headers = {"Content-type": "application/x-www-form-urlencoded", "Accept": "text/plain"}
conn = http.client.HTTPConnection(host, port=80, timeout=30)
conn.request("POST", sms_send_uri, params, headers)
response = conn.getresponse()
response_str = response.read()
conn.close()
return response_str
if __name__ == '__main__':
mobile = "手机号"
text = '123122'
print(json.loads(send_sms(text, mobile).decode('utf-8')))
import qrcode
import io
def maker_qrcode(url):
"""
生成二维码
:param url: 需要生成二维码的url
:return: 返回图片字节流
"""
image = qrcode.make(url) # 创建二维码片
buffer = io.BytesIO()
# 将图片内容丢入容器
image.save(buffer, 'png')
# 返回容器内的字节
return buffer.getvalue()
或者
from .settings import BASE_DIR
def create_qrcode(name, url):
"""
生成机器扫码支付二维码
:param name: 图片名称
:param url: 支付路由
:return:
"""
img = qrcode.make(url, border=0) # 创建二维码片
save_path = BASE_DIR + '/' + name + '.png'
print(save_path)
img.save(save_path)
return img
# coding=utf8
import itchat, time
itchat.auto_login(True)
SINCERE_WISH = u'祝%s新年快乐!'
friendList = itchat.get_friends(update=True)[35:]
count = 0
for index,friend in enumerate(friendList):
print(index,friend['DisplayName'],friend['NickName'])
itchat.send(SINCERE_WISH % (friend['DisplayName']
or friend['NickName']), friend['UserName'])
time.sleep(2)
print('备注名称',friend['DisplayName'],'昵称',friend['NickName'],'用户名',friend['UserName'])
print("----end----")
"""
# 发送文本
itchat.send('Hello, WeChat!')
# 发送图片
itchat.send_image('my_picture.png')
# 发送视频
itchat.send_video('my_video.mov')
# 发送文件
itchat.send_file('my_file.zip')
"""
# -*- coding=utf-8 -*-
import requests
import itchat
import random
#图灵机器人
#http://www.tuling123.com/member/robot/1380138/center/frame.jhtml?page=0&child=0获取apikey
KEY = '你的KEY'
def get_response(msg):
apiUrl = 'http://www.tuling123.com/openapi/api'
data = {
'key' : KEY,
'info' : msg,
'userid' : 'wechat-robot',
}
try:
r = requests.post(apiUrl, data=data).json()
return r.get('text')
except:
return
@itchat.msg_register(itchat.content.TEXT)
def tuling_reply(msg):
defaultReply = 'I received: ' + msg['Text']
robots=['','','']
reply = get_response(msg['Text'])+random.choice(robots)
return reply or defaultReply
itchat.auto_login(enableCmdQR=False)
itchat.run()
import re
t = """
goods_id = models.IntegerField(verbose_name='商品编号')
label_code = models.CharField(max_length=20, verbose_name='商品标签')
"""
# 字典
print({k:None for k in re.findall('([a-z_A-Z]+)\s=\s',t)})
# 列表
# print([k for k in re.findall('([a-z_A-Z]+)\s=\s',t)])
import pymysql
def createData(dataDict,tableName):
"""
给数据表创建数据
:param dataDict: 字典
:param tableName: 表名
:return:
"""
#连接数据库
conn = pymysql.connect(
host='192.168.0.188', #数据库所在地址URL
user='root', #用户名
password='123456', #密码
database='名称', #数据库名称
port=3306, #端口号
charset='utf8'
)
#拿到查询游标
cursor = conn.cursor()
clos,value = zip(*dataDict.items())
sql = "INSERT INTO `%s`(%s) VALUES (%s)" % (tableName,
','.join(clos),
','.join(['%s'] * len(value))
)
print(sql)
cursor.execute(sql, value)
conn.commit()
cursor.close()
conn.close()
print('Done')
try:
pass
except 异常类型 as e:
pass
finally:
pass
异常类型:
Exception 全部异常
AttributeError 试图访问一个对象没有的树形,比如foo.x,但是foo没有属性x
IOError 输入/输出异常;基本上是无法打开文件
ImportError 无法引入模块或包;基本上是路径问题或名称错误
IndentationError 语法错误(的子类) ;代码没有正确对齐
IndexError 下标索引超出序列边界,比如当x只有三个元素,却试图访问x[5]
KeyError 试图访问字典里不存在的键
KeyboardInterrupt Ctrl+C被按下
NameError 使用一个还未被赋予对象的变量
SyntaxError Python代码非法,代码不能编译(个人认为这是语法错误,写错了)
TypeError 传入对象类型与要求的不符合
UnboundLocalError 试图访问一个还未被设置的局部变量,基本上是由于另有一个同名的全局变量,导致你以为正在访问它
ValueError 传入一个调用者不期望的值,即使值的类型是正确的
import datetime
current_time = str(datetime.datetime.now())[19:]
print(current_time)
# 输出格式值为:2020-01-17 10:40:43
local_time = time.strftime('%Y-%m-%d %H-%M-%S', time.localtime(time.time()))
print(local_time)
# 输出格式值为:2020-01-17 11-11-45
from random import Random
import time
def random_str(randomlength=8):
str = ''
chars = 'AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz0123456789'
length = len(chars) - 1
random = Random()
for i in range(randomlength):
str+=chars[random.randint(0, length)]
return str
def order_num():
"""
生成付款订单号
:return:
"""
local_time = time.strftime('%Y%m%d%H%M%S', time.localtime(time.time()))
result = local_time + random_str(5)
return result
print(order_num())
CURRENT_TIMESTAMP
page.py
from rest_framework.pagination import PageNumberPagination
class UserPagination(PageNumberPagination):
"""用户分页器"""
page_size = 10 # 默认的页面数据数量
page_query_param = 'page' # 定制取数据页码key
page_size_query_param = 'page_size' # 默认取数据页码key
max_page_size = 15 # 数据每页取值的最大上限
serializers.py
from rest_framework import serializers
from user.models import UserInfo
class UserSerializers(serializers.ModelSerializer):
"""用户收货地址"""
class Meta:
model = UserInfo
# 所有字段
#fields = '__all__'
fields = ['name', 'code', 'title', 'province', 'city',
'quxian', 'address', 'code__gte', 'code__lte']
# 显示外键
depth = 2
views.py
class MachineViews(APIView):
def get(self, request, *args, **kwargs):
# 从前端获取出来的过滤参数,解析成字典传进filter()函数中
# 动态过滤,
kwargs = {}
# 表中的字段名
columns = ['name', 'code', 'title', 'province', 'city',
'quxian', 'address', 'code__gte', 'code__lte']
for k, v in request.query_params.items():
if k not in columns:
return Response('参数不对', status=status.HTTP_400_BAD_REQUEST)
if v:
kwargs[k] = v
users = UserInfo.objects.filter(**kwargs)
page = UserPagination()
page_goods_list = page.paginate_queryset(users, self.request, self)
ser = UserSerializers(page_goods_list, many=True)
return page.get_paginated_response(ser.data)
nohup /home/project_venv/user/bin/python3 -u /home/user/user_server.py >> /home/user/user.log 2>&1 &
ALTER TABLE tb_commentPhoto ADD CONSTRAINT FK_comment_phone
FOREIGN KEY tb_goodsComment(id) REFERENCES tb_commentPhoto(comment_id);
import csv
import random
import string
def create_invite_code(random_code_pool=None, length=6, num=10, is_append=False):
"""
创建随机邀请码,并写入txt文件
:param: random_code_pool 随机邀请码
:param: length 邀请码长度
:param: num 邀请码个数
:param: is_append True追加,False 覆盖
:return:
"""
if not random_code_pool:
code_pool = string.ascii_uppercase + string.digits
random_code_pool = []
for i in range(num):
s = ''
for _ in range(length):
s += random.choice(code_pool)
if s and s not in random_code_pool:
random_code_pool.append(s)
# 写入方法。是追加还是覆盖
write_method = 'a+' if is_append else 'w'
# 写入文件
with open('./invite_code.csv', write_method, newline='') as f:
writer = csv.writer(f)
for rowData in random_code_pool:
# 按行写入
writer.writerow((rowData,))
def check_invite_code(code):
"""
查看邀请码是否存在txt文件中,
若存在就返回True,并在txt文件中删除
若不存在就返回False
:param code:
:return:
"""
code_pool = []
with open('./invite_code.csv', 'r', encoding='utf-8',errors='ignore') as f:
allFileInfo = csv.reader(f)
for row in allFileInfo:
code_pool.append(row[0])
if code in code_pool:
# 删除查询的code
code_pool.pop(code_pool.index(code))
# 重新写入文件
create_invite_code(code_pool,is_append=False)
return True
return False
if __name__ == '__main__':
# create_invite_code(length=9,num=100)
print(check_invite_code('WJ4PSTJG2'))
print('获取相对路径', request.get_full_path())
print('获取绝对路径', request.build_absolute_uri())
print(request.build_absolute_uri('?'))
print(request.build_absolute_uri('/')[:-1].strip("/"))
print(request.build_absolute_uri('/').strip("/"))
print(request.build_absolute_uri('/'))
print('----------')
print(request.META['HTTP_HOST'])
print(request.META['PATH_INFO'])
print(request.META['QUERY_STRING'])
iphost = request.META.get('REMOTE_ADDR', '') # 获取访问来源IP
输出如:
获取相对路径 /QRcode/?d=1
获取绝对路径 http://127.0.0.1:8000/QRcode/?d=1
http://127.0.0.1:8000/QRcode/
http://127.0.0.1:8000
http://127.0.0.1:8000
http://127.0.0.1:8000/
----------
127.0.0.1:8000
/QRcode/
d=1
settings.py中设置
STATIC_ROOT = os.path.join(BASE_DIR, 'static')
然后执行下面的命令:
python manage.py collectstatic
https://www.cnblogs.com/lanqie/p/8340215.html
[uwsgi]
# 使用nginx连接时 使用
socket=0.0.0.0:9000
# 直接作为web服务器使用
#http=0.0.0.0:8000
# 配置工程目录,项目的绝对路径
chdir=/home/user
# 配置项目的wsgi目录。相对于工程目录
wsgi-file=user/wsgi.py
virtualenv=/home/project_venv/user
#配置进程,线程信息
processes=1
threads=1
enable-threads=True
master=True
pidfile=uwsgi.pid
daemonize=uwsgi.log
#启动uwsgi的用户名和用户组
uid=root
gid=root
#uwsgi自动重启
py-autoreload=1
浏览器缓存
Ctrl+Shift+Del 清除Google浏览器缓存的快捷键
Ctrl+Shift+R 重新加载当前网页而不使用缓存内容
git clone -b dev 地址
import os
import re
def remove_specified_format_file(file_dir, format_name):
"""
删除指定格式的文件
:param file_dir: 文件根目录
:param format_name: 格式
:return:
"""
for root, dirs, files in os.walk(file_dir):
# print(root) #当前目录路径
# print(dirs) #当前路径下所有子目录
# print(files) #当前路径下所有非目录子文件
for file in files:
if re.match(format_name, file):
print(os.path.join(root, file))
os.remove(os.path.join(root, file))
remove_specified_format_file(r'D:\学习\LDC\java', r'\._*')
import os
def file_count(file_dir):
"""
:param file_dir: 文件根目录
:return:
"""
count = 0
for root, dirs, files in os.walk(file_dir):
# print(root) #当前目录路径
# print(dirs) #当前路径下所有子目录
# print(files) #当前路径下所有非目录子文件
count += len(files)
return count
print(file_count(r'D:\学习\LDC\java\Java学习\newEstore\estore\js'))
import os
def file_size(file_dir):
"""
:param file_dir: 文件根目录
:return:
"""
size = 0
for root, dirs, files in os.walk(file_dir):
# print(root) #当前目录路径
# print(dirs) #当前路径下所有子目录
# print(files) #当前路径下所有非目录子文件
for file in files:
size += os.path.getsize(os.path.join(root, file))
# M为单位
return size / 1024 / 1024
file_name = r'D:\学习'
print(file_size(file_name))
html:
$.ajax({
url: '请求路由',
type: 'GET',
dataType: 'JSONP',
data:{
code: 'yes',
},
jsonp: 'callback',
success: function(res) {
var selectData = $.parseJSON(res);
alert(selectData);
},
error: function(err) {
}
})
views.py:
def get(self, request, *args, **kwargs):
code = request.GET.get('code', '')
# 跨域请求
callback = request.GET.get('callback', '')
return HttpResponse("%s('%s')" % (callback, json.dumps({'code': code})), status=status.HTTP_200_OK)
cors解决跨域
https://www.cnblogs.com/wxiaoyu/p/9578848.html
参考:https://blog.csdn.net/weixin_39735923/article/details/79202563
https://blog.csdn.net/weixin_39735923/article/details/79202563
# 序列化器
class MsgSerializers(serializers.ModelSerializer):
addtime = serializers.DateTimeField(read_only=True, format="%Y-%m-%d %H:%M:%S")
hasread = serializers.CharField(source='get_hasread_display')
msgtype = serializers.CharField(source='get_msgtype_display')
class Meta:
model = MallMsg
# 可以混合使用
fields = '__all__' # '__all__' 所有字段
# 数据库层级控制(序列化链表操作)
# depth = 1 # 外键层级
#分页器
from rest_framework.pagination import PageNumberPagination
class MyLimitOffsetPagination(PageNumberPagination):
page_size = 3 # 默认的页面数据数量
page_query_param = 'page' # 定制取数据页码key ?
page_size_query_param = 'page_size' # 默认取数据页码key &
max_page_size = 15 # 数据每页取值的最大上限
安装openssl
pip3 install pyOpenSSL
import OpenSSL
import requests
import urllib3.contrib.pyopenssl
urllib3.contrib.pyopenssl.inject_into_urllib3()
def p12_to_pem(certname, pwd):
"""
从.p12文件中提取pem
:param certname:
:param pwd:
:return:
"""
pem_name = certname + ".pem"
f_pem = open(pem_name, 'wb')
p12file = certname + ".p12"
p12 = OpenSSL.crypto.load_pkcs12(open(p12file, 'rb').read(), pwd)
f_pem.write(OpenSSL.crypto.dump_privatekey(OpenSSL.crypto.FILETYPE_PEM, p12.get_privatekey()))
f_pem.write(OpenSSL.crypto.dump_certificate(OpenSSL.crypto.FILETYPE_PEM, p12.get_certificate()))
ca = p12.get_ca_certificates()
if ca is not None:
for cert in ca:
f_pem.write(OpenSSL.crypto.dump_certificate(OpenSSL.crypto.FILETYPE_PEM, cert))
f_pem.close()
return pem_name
def post_cert_request(url, data,header, certname, pwd):
"""
使用证书发起https请求
:param url:
:param data:
:param certname:
:param pwd:
:return:
"""
if (certname != ""):
cert = p12_to_pem(certname, pwd)
else:
cert = None
r = requests.post(url, header=header, data=data, cert=cert)
return r
python manage.py createcachetable 缓存表名
在工程文件目录下敲入:
python manage.py shell
再在python交互界面输入:
from django.contrib.auth.models import User
user = User.objects.get(username = '用户名')
user.set_password('密码')
user.save()
https://blog.csdn.net/Odyssues_lee/article/details/80872586
select * from user where ISNULL(code)
update user set code='111',info='微信' where ISNULL(code)
tail -f 日志名 实时监控日志
tail -f 80_v10.log
netstat -na|grep 80 查看端口tcp连接数
netstat -na|grep 80 | wc -l 计算端口tcp连接数
ps -ef|grep python 查看有多少python程序在运行
models.py
# 用户管理
class UserManage(models.Model):
name = models.CharField(max_length=20, verbose_name='用户名')
phone = models.CharField(max_length=11, unique=True, verbose_name='手机号')
code = models.CharField(max_length=11, unique=True, verbose_name='编号')
user = models.ForeignKey(User, on_delete=models.CASCADE, editable=False, null=True, verbose_name='管理员')
adminx.py
在adminx中
# 用户列表
class UserAdmin(object):
list_display = [ 'code', 'phone', 'name',]
search_fields = ['code', 'phone']
list_filter = ['code', 'phone']
list_editable = ['name'] # 数据即时编辑
readonly_fields = ['code', 'phone', 'name'] # 只读字段,不能编辑
model_icon = 'fa fa-square'
model = UserInfo
def has_delete_permission(self, *args, **kwargs):
# 禁止删除
if args:
return True
return False
def has_add_permission(self,*args,**kwargs):
# 禁止增加
return False
def save_models(self):
# 用户级别设置
self.new_obj.user = self.request.user
super().save_models()
xadmin.site.register(UserInfo, UserAdmin)
import datetime
import time
start = str(datetime.datetime.now())[:19]
time.sleep(60)
end = str(datetime.datetime.now())[:19]
print(start,end)
link_start = datetime.datetime.strptime(start, '%Y-%m-%d %H:%M:%S')
link_end = datetime.datetime.strptime(end, '%Y-%m-%d %H:%M:%S')
link_min = round((link_end - link_start).seconds / 60, 2)
print(link_min,'分钟')
输出:
2018-12-23 18:44:07 2018-12-23 18:45:07
1.0 分钟
DELETE FROM dj_news where id in (select t.id from (select * from dj_news limit 300)as t)
from PIL import Image
import os
picture=input("请输入图片的名称以及格式:")
image=Image.open(picture)
size=os.path.getsize(picture)/1024
width,height=image.size
ima=input("请输入修改后的图片名称和格式:")
while True:
if size>10:
width,height=round(width*0.9),round(height*0.9)#去掉浮点,防报错
image=image.resize((width,height),Image.ANTIALIAS)
image.save(ima)
size=os.path.getsize(ima)/1024
else:
break
import random
from threading import Timer
# 定义Code类
class Code:
# 初始化时调用缓存
def __init__(self):
self.make_cache()
def make_cache(self, interval=10):
# 先生成一个验证码
self.cache = self.make_code()
print(self.cache)
# 开启定时器,60s后重新生成验证码
self.t = Timer(interval, self.make_cache)
self.t.start()
# 随机生成4位数验证码
def make_code(self, n=4):
res = ''
for i in range(n):
s1 = str(random.randint(0, 9))
s2 = chr(random.randint(65, 90))
res += random.choice([s1, s2])
return res
# 验证验证码
def check(self):
while True:
code = input('请输入验证码(不区分大小写):').strip()
if code.upper() == self.cache:
print('验证码输入正确')
# 正确输入验证码后,取消定时器任务
self.t.cancel()
break
obj = Code()
obj.check()