用python的django写的资源网站源码

from django.db.models.functions import TruncDate from django.views.generic import TemplateView from django.shortcuts import render, HttpResponse from .models import WebPage, Type, HistoryInfo from django.views import View import requests from django.http import JsonResponse import datetime from django.utils import timezone from datetime import timedelta from django.db.models import Count class IndexViews(View): def get(self, request): try: # 记录历史信息 self.record_history_info(request) # 获取网页和分类信息 web_models = WebPage.objects.order_by('sort') types = Type.objects.order_by('sort') context = { 'web_models': web_models, 'types': types, } # 渲染模板 return render(request, 'index/index.html', context) except Exception as e: return HttpResponse(f"An error occurred: {str(e)}") def get_real_ip(self, request): x_forwarded_for = request.META.get('HTTP_X_FORWARDED_FOR') if x_forwarded_for: ip = x_forwarded_for.split(',')[0] # 所以这里是真实的ip else: ip = request.META.get('REMOTE_ADDR') # 这里获得代理ip return ip def record_history_info(self, request): # 获取真实的客户端 IP ip = self.get_real_ip(request) # 初始化地理位置信息 nation, province, city = '', '', '' # 尝试获取地理信息 if ip: try: response = requests.get(f'http://ip-api.com/json/{ip}?lang=zh-CN', timeout=5) if response.status_code == 200: data = response.json() nation = data.get('country', '') province = data.get('regionName', '') city = data.get('city', '') except requests.RequestException as e: # 记录错误日志，或者其他错误处理 print(f"Error fetching location data for IP {ip}: {e}") # 获取当前时间并转换为北京时间 # 将 UTC 时间转换为北京时间 beijing_time = datetime.datetime.now() # 使用 24 小时制格式化时间 formatted_time = beijing_time.strftime('%Y-%m-%d %H:%M:%S') print("=========================") print(formatted_time) # 创建历史记录 HistoryInfo.objects.create( ip=ip, nation=nation, province=province, city=city, create_time=formatted_time ) class DisplayViews(TemplateView): template_name = 'index/display.html' def get(self, request, *args, **kwargs): start_date = request.GET.get('start_date') end_date = request.GET.get('end_date') # 如果没有传递起始和结束日期，默认选择最近7天 if not start_date or not end_date: end_date = timezone.now().date() start_date = end_date - timedelta(days=7) else: start_date = timezone.datetime.strptime(start_date, '%Y-%m-%d').date() end_date = timezone.datetime.strptime(end_date, '%Y-%m-%d').date() # 按天统计访问量 daily_stats = ( HistoryInfo.objects .filter(create_time__date__gte=start_date, create_time__date__lte=end_date) .annotate(date=TruncDate('create_time')) .values('date') .annotate(count=Count('id')) .order_by('date') ) # 转换为列表 daily_stats = list(daily_stats) # 创建一个字典来存储日期和对应的访问量 stats_dict = {stat['date']: stat['count'] for stat in daily_stats} # 创建一个包含最近 7 天日期的列表，并确保没有数据的日期访问量为 0 complete_stats = [] current_date = start_date while current_date <= end_date: complete_stats.append({ 'date': current_date.isoformat(), 'count': stats_dict.get(current_date, 0) # 如果没有数据则为 0 }) current_date += timedelta(days=1) # 统计国家和省市的访问量 country_stats = ( HistoryInfo.objects .filter(create_time__date__gte=start_date, create_time__date__lte=end_date) .values('nation', 'province', 'city') # 使用 'nation' 替换 'country' .annotate(count=Count('id')) ) # 将查询到的日期和访问量转换为字典 country_stats = [ {'nation': stat['nation'], 'province': stat['province'], 'city': stat['city'], 'count': stat['count']} for stat in country_stats] # 判断是否为 AJAX 请求 if request.headers.get('x-requested-with') == 'XMLHttpRequest': # print("返回的统计数据:", complete_stats) # 打印返回的数据 return JsonResponse({'daily_stats': complete_stats, 'country_stats': country_stats}, safe=False) else: # print("2") context = self.get_context_data(complete_stats=complete_stats) return self.render_to_response(context)