#服务端设置cookie:
response.set_cookie(key,value[,max_age=None,exprise=None)]
def set_cookie(request):response = HttpResponse("设置Cookie")  #这里response =redirct()或者response =render()也是可以的response.set_cookie('username', 'Rock')return response
"""
HTTP响应报文里面会有：set_cookie：username=Rock"""
#服务端获取cookie：
request.GET.get(key,defaultvalue)
def get_cookie(request):username = request.COOKIES.get("username")return HttpResponse(username)#要求浏览器删除cookie
def logout(request):response = redirect(reverse("app:login"))response.delete_cookie("content")return response

#session表里面有字段session_key、session_data、expire_date#服务器设置session
def login(request):if request.method == "GET":return render(request, 'two_login.html')elif request.method == "POST":username = request.POST.get("username")request.session["username"] = usernamereturn HttpResponse("登录成功")"""
HTTP响应报文里面会有：set_cookie：sessionid= 一串hash编码(这个是服务器帮你生成的)session表里面的字段session_key: 一串hash编码
session_data : 混淆串 {"username": "jam"}"""#服务器获取session
def mine(request):username = request.session.get("username")return render(request, 'two_mine.html', context=locals())#要求浏览器删除sessionid
response.delete_cookie('sessionid')#删除session表里面的session_data
del request.session['username']#session 和cookie 一起删
def logout(request):response = redirect(reverse('two:mine'))# del request.session['username']# response.delete_cookie('sessionid')# session cookie一起干掉request.session.flush()return response

class Student(models.Model):s_name = models.CharField(max_length=16, unique=True)s_password = models.CharField(max_length=128)s_token = models.CharField(max_length=256)#以ip+时间戳+用户名来生成
def generate_token(ip, username):c_time = time.ctime()r = usernamereturn hashlib.new("md5", (ip + c_time + r).encode("utf-8")).hexdigest()