141 lines
5.4 KiB
Python
141 lines
5.4 KiB
Python
import json
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from django import template
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from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
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from django.shortcuts import render, get_object_or_404
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from .models import Company
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from django.core.paginator import Paginator, EmptyPage, PageNotAnInteger
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from django.shortcuts import render, get_object_or_404
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from .models import Company
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from django.db.models import Q
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def home(request):
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# 这里不再执行任何数据库查询，直接渲染主页模板
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return render(request, 'business_information/home.html')
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def about_us(request):
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# 这里不再执行任何数据库查询，直接渲染主页模板
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return render(request, 'business_information/about_us.html')
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def company_list(request):
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# 尝试打开并加载JSON文件
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json_file_path = 'static/file/city.json'
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try:
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with open(json_file_path, 'r', encoding='utf-8') as file:
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city_data = json.load(file)
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except FileNotFoundError:
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return render(request, 'business_information/error.html', {'error': 'JSON文件未找到'})
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# 尝试打开并加载JSON文件
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file_path = 'static/file/industry.json'
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with open(file_path, 'r', encoding='utf-8') as file:
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industry_data = json.load(file)
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# 初始化一个新的字典来存储省份和城市信息
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provinces_cities = {
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"直辖市": ['北京市', '天津市', '重庆市', '上海市']
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}
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# 获取省份数据
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province = city_data.get('00')
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for num, name in province.items():
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if name in provinces_cities.get('直辖市'):
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continue
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else:
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provinces_cities[name] = []
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for k, v in city_data[num].items():
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provinces_cities[name].append(v)
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# 返回解析后的省份和城市信息
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return render(request, 'business_information/company_list.html',
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{'provinces_cities': provinces_cities, 'industry_data': industry_data})
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def list_detail(request):
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# 获取查询参数
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query_name = request.GET.get('name', '')
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query_province = request.GET.get('province', '')
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query_city = request.GET.get('city', '')
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query_district = request.GET.get('district', '')
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query_industry = request.GET.get('industry', '')
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# 构建查询条件（Q 对象用于执行复杂查询）
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query_conditions = Q()
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if query_name:
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query_conditions &= Q(name__icontains=query_name)
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if query_province:
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query_conditions &= Q(province__icontains=query_province)
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if query_city:
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query_conditions &= Q(city__icontains=query_city)
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if query_district and query_district != '区域':
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query_conditions &= Q(district__icontains=query_district)
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if query_industry and query_industry != '行业':
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query_conditions &= Q(industry__icontains=query_industry)
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# 如果'区域'和'行业'都是默认选项，则返回所有记录
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if query_district == '区域' and query_industry == '行业':
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query_conditions = Q() # 这将匹配所有公司
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# 过滤查询集
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companies = Company.objects.filter(query_conditions)
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count = len(companies)
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# 获取区域和行业列表
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# districts = Company.objects.values_list('district', flat=True).distinct().order_by('district')
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# districts = [district for district in districts if district != '区域']
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# industries = Company.objects.values_list('industry', flat=True).distinct().order_by('industry')
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# industries = [industry for industry in industries if industry != '行业']
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# 分页
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paginator = Paginator(companies, 10) # 每页显示10条记录
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page = request.GET.get('page', 1)
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try:
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companies = paginator.page(page)
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except PageNotAnInteger:
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companies = paginator.page(1)
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except EmptyPage:
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companies = paginator.page(paginator.num_pages)
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# 查询条件
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json_file_path = 'static/file/city.json'
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try:
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with open(json_file_path, 'r', encoding='utf-8') as file:
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city_data = json.load(file)
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except FileNotFoundError:
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return render(request, 'business_information/error.html', {'error': 'JSON文件未找到'})
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# 尝试打开并加载JSON文件
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file_path = 'static/file/industry.json'
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with open(file_path, 'r', encoding='utf-8') as file:
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industry_data = json.load(file)
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industries_data = []
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# 处理行业
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for k in industry_data.keys():
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industries_data.append(k)
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# 初始化一个新的字典来存储省份和城市信息
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provinces_cities = []
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# 获取省份数据
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province = city_data.get('00')
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for num, name in province.items():
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provinces_cities.append(name)
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# 这里不再执行任何数据库查询，直接渲染主页模板
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return render(request, 'business_information/company_list_detail.html',
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context={'provinces_cities': provinces_cities, 'industries_data': industries_data,
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'companies': companies,
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'query_name': query_name,
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'query_province': query_province,
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'query_city': query_city,
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'query_district': query_district,
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'query_industry': query_industry,
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'count': count})
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def company_detail(request, enterprise_id):
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company = get_object_or_404(Company, enterprise_id=enterprise_id)
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return render(request, 'business_information/company_detail.html', {'company': company})
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