代码

class Throttle(MiddlewareMixin):    def process_request(self, request):        # 1. 拿到用户请求的IP        # print(request.META)        ip = request.META.get("REMOTE_ADDR")        # 2. 当前请求的时间        now = time.time()        # 3. 记录访问的历史        if ip not in VISIT_RECORD:            VISIT_RECORD[ip] = []        history = VISIT_RECORD[ip]        # [11:07:20, 10:07:11, 10:07:06, 10:07:01]        while history and now - history[-1] > 10:            history.pop()        # 判断用户在一分钟的时间间隔内是否访问超过3次        if len(history) >= 3:            return HttpResponse("滚...")        history.insert(0, now)