import importlib
res = 'lib.bbb'
# 利用字符串的形式导入模块
md = importlib.import_module(res)  # from lib import bbb
print(md)  # 该模块字符串最小单位只能到文件名

<form action="" method="post">
{% csrf_token %}
<p>username:<input type="text" name="username"></p>
<p>target_account:<input type="text" name="target_user"></p>
<p>money:<input type="text" name="money"></p>
<input type="submit">
</form>
# 自动添加隐藏的input框 <input type="hidden" name="csrfmiddlewaretoken" value="rJ47FeK9T55wavvVJGY6UxdM1kTMHhTqotGfaXjXIK8Ahz2Uvs02yR9T8bBn5q2D">

function getCookie(name) {
    var cookieValue = null;
    if (document.cookie && document.cookie !== '') {
        var cookies = document.cookie.split(';');
        for (var i = 0; i < cookies.length; i++) {
            var cookie = jQuery.trim(cookies[i]);
            // Does this cookie string begin with the name we want?
            if (cookie.substring(0, name.length + 1) === (name + '=')) {
                cookieValue = decodeURIComponent(cookie.substring(name.length + 1));
                break;
            }
        }
    }
    return cookieValue;
}
var csrftoken = getCookie('csrftoken');

function csrfSafeMethod(method) {
  // these HTTP methods do not require CSRF protection
  return (/^(GET|HEAD|OPTIONS|TRACE)$/.test(method));
}

$.ajaxSetup({
  beforeSend: function (xhr, settings) {
    if (!csrfSafeMethod(settings.type) && !this.crossDomain) {
      xhr.setRequestHeader("X-CSRFToken", csrftoken);
    }
  }
});

from django.contrib.auth.models import User
from django.contrib import auth
from django.contrib.auth.decorators import login_required

def register(request):
    if request.method == 'POST':
        username = request.POST.get('username')
        password = request.POST.get('password')
        # models.User.objects.create(username=username,password=password)
        # User.objects.create(username=username,password=password)  # 不可用  密码不是加密的
        # User.objects.create_user(username=username,password=password)  # 创建普通用户    密码自动加密
        # User.objects.create_superuser(username=username,password=password,email='123@qq.com')  # 创建超级用户   需要邮箱数据
        return HttpResponse('OK')
    return render(request,'register.html')


def lgg(request):
    if request.method == 'POST':
        username = request.POST.get('username')
        password = request.POST.get('password')
        # 校验当前用户名和密码是否正确
        # models.User.objects.filter(username=username,password=password)
        # res = User.objects.filter(username=username,password=password)  # 密码无法校验
        # print(res)
        res = auth.authenticate(request,username=username,password=password)  # 自动给你加密密码 然后去数据库校验
        # print(res)  # 数据对象
        # print(res.username)
        # print(res.password)  # 密码是密文
        if res:
            # 保存用户登录状态
            # request.session['user'] = 'jason'
            auth.login(request,res)
            """
            只要执行了这一句话 之后你可以在任意位置
            通过request.user获取到当前登录用户对象
            """
            return HttpResponse('ok')
    return render(request,'lgg.html')


def get_user(request):
    print(request.user)  # 如果用户没有登录就返回AnonymousUser匿名用户
    print(type(request.user))
    print(request.user.is_authenticated())  # 判断当前用户是否登录
    return HttpResponse('ok')

# @login_required(login_url='/lgg/')  # 局部配置  如果没有登录就跳转到/lgg/登录
# 或者全局配置，现在配置文件中写 LOGIN_URL = '/lgg/'
@login_required
def check_password(request):
    if request.method == "POST":
        old_password = request.POST.get('old_password')
        new_password = request.POST.get('new_password')
        # 校验老密码是否正确
        is_right = request.user.check_password(old_password)
        if is_right:
            request.user.set_password(new_password)
            request.user.save()  # 修改密码一对要保存
    user_obj = request.user
    return render(request,'change_password.html',locals())


@login_required
def logout(request):
    # request.session.flush()
    auth.logout(request)
    return HttpResponse('注销了')

import importlib
from lib.conf import global_settings
import os

class Settings(object):
    def __init__(self):
        for name in dir(global_settings):
            if name.isupper():
                setattr(self,name,getattr(global_settings,name))
        # 获取暴露给用户的配置文件字符串路径
        module_path = os.environ.get('xxx')
        md = importlib.import_module(module_path)  # md = settings
        for name in dir(md):
            if name.isupper():
                k = name
                v = getattr(md,name)
                setattr(self,k,v)


settings = Settings()

import os
import sys


BASE_DIR = os.path.dirname(__file__)
sys.path.append(BASE_DIR)


if __name__ == '__main__':
    # os.environ.setdefault('xxx','conf.settings')
    os.environ['xxx'] = 'conf.settings'
    from lib.conf import settings
    print(settings.NAME)