feat(联系人): 添加联系人信息导出为PDF功能

在联系人列表页面添加导出为PDF按钮，实现将筛选后的联系人信息导出为PDF文件。新增视图函数处理PDF生成逻辑，支持中文显示并保留原有筛选条件。

fzjgact/huodong/templates/contact_list.html

@@ -131,6 +131,15 @@
             {% endfor %}
         </tbody>
     </table>
+
+    <div class="mt-4 flex justify-end">
+        <a href="{% url 'export-contacts-pdf' %}{% if request.GET.urlencode %}?{{ request.GET.urlencode }}{% endif %}" class="inline-flex items-center px-4 py-2 bg-purple-600 hover:bg-purple-800 text-white font-medium rounded-lg shadow-md transition duration-300 ease-in-out transform hover:scale-105 hover:shadow-lg">
+            <svg xmlns="http://www.w3.org/2000/svg" class="h-5 w-5 mr-2" viewBox="0 0 20 20" fill="currentColor">
+                <path fill-rule="evenodd" d="M3 17a1 1 0 011-1h12a1 1 0 110 2H4a1 1 0 01-1-1zm3.293-7.707a1 1 0 011.414 0L9 10.586V3a1 1 0 112 0v7.586l1.293-1.293a1 1 0 111.414 1.414l-3 3a1 1 0 01-1.414 0l-3-3a1 1 0 010-1.414z" clip-rule="evenodd" />
+            </svg>
+            导出为PDF
+        </a>
+    </div>
 </div>
 
 <script>

fzjgact/huodong/urls.py

@@ -15,6 +15,7 @@ urlpatterns = [
     path('branch/info/', views.Branchinfo, name='branchinfo'),
     path('statistics/', views.Statistics, name='statistics'),
     path('contact/', views.contact_list, name='contact-list'),
+    path('contact/export/pdf/', views.export_contacts_pdf, name='export-contacts-pdf'),
     path('equipment-images/', views.equipment_images, name='equipment-images'),
     path('public-screens/', views.public_screens, name='public-screens'),
     path('video-terminals/', views.video_terminal_list, name='video-terminals'),

fzjgact/huodong/views.py

@@ -466,6 +466,109 @@ def contact_list(request):
     return render(request, 'contact_list.html', context)
 
 
+def export_contacts_pdf(request):
+    # 创建响应对象
+    response = HttpResponse(content_type='application/pdf')
+    response['Content-Disposition'] = 'attachment; filename="contacts_info.pdf"'
+    
+    # 注册中文字体
+    from reportlab.pdfbase import pdfmetrics
+    from reportlab.pdfbase.ttfonts import TTFont
+    
+    # 尝试注册系统中文字体，这里使用Windows系统自带的中文字体
+    try:
+        # 尝试注册微软雅黑字体
+        pdfmetrics.registerFont(TTFont('MSYaHei', 'C:/Windows/Fonts/msyh.ttc'))
+        chinese_font = 'MSYaHei'
+    except:
+        try:
+            # 如果微软雅黑不存在，尝试注册宋体
+            pdfmetrics.registerFont(TTFont('SimSun', 'C:/Windows/Fonts/simsun.ttc'))
+            chinese_font = 'SimSun'
+        except:
+            # 如果都找不到，使用默认字体（可能仍会有乱码）
+            chinese_font = 'Helvetica'
+    
+    # 创建PDF文档
+    doc = SimpleDocTemplate(response, pagesize=letter)
+    elements = []
+    
+    # 添加标题
+    styles = getSampleStyleSheet()
+    # 复制Title样式并修改字体
+    title_style = ParagraphStyle(
+        'ChineseTitle',
+        parent=styles['Title'],
+        fontName=chinese_font,
+        fontSize=18,
+        spaceAfter=30,
+        alignment=1  # 1表示居中
+    )
+    title = Paragraph("联系人信息", title_style)
+    elements.append(title)
+    
+    # 获取筛选参数
+    branches_param = request.GET.get('branches')
+    category = request.GET.get('category')
+    contact_name = request.GET.get('contact_name')
+    
+    # 构建查询条件
+    filters = Q()
+    
+    # 分支机构筛选（支持多选）
+    if branches_param:
+        branch_ids = [bid.strip() for bid in branches_param.split(',') if bid.strip().isdigit()]
+        if branch_ids:
+            filters &= Q(branch_id__in=branch_ids)
+    
+    # 联系人类别筛选
+    if category:
+        filters &= Q(category__contains=category)
+    
+    # 联系人姓名筛选
+    if contact_name:
+        filters &= Q(name__icontains=contact_name)
+    
+    # 获取筛选后的联系人
+    contacts = Contact.objects.filter(filters)
+    
+    # 准备表格数据
+    data = [['分支机构', '分类', '姓名', '电话', '邮箱']]  # 表头
+    for contact in contacts:
+        data.append([
+            contact.branch.name if contact.branch else '',
+            contact.category or '',
+            contact.name or '',
+            contact.phone or '',
+            contact.email or ''
+        ])
+    
+    # 创建表格
+    table = Table(data)
+    
+    # 设置表格样式
+    style = TableStyle([
+        ('BACKGROUND', (0, 0), (-1, 0), colors.grey),
+        ('TEXTCOLOR', (0, 0), (-1, 0), colors.whitesmoke),
+        ('ALIGN', (0, 0), (-1, -1), 'CENTER'),
+        ('FONTNAME', (0, 0), (-1, 0), chinese_font),  # 使用中文字体
+        ('FONTSIZE', (0, 0), (-1, 0), 14),
+        ('BOTTOMPADDING', (0, 0), (-1, 0), 12),
+        ('BACKGROUND', (0, 1), (-1, -1), colors.beige),
+        ('FONTNAME', (0, 1), (-1, -1), chinese_font),  # 使用中文字体
+        ('GRID', (0, 0), (-1, -1), 1, colors.black)
+    ])
+    table.setStyle(style)
+    
+    # 添加表格到文档
+    elements.append(table)
+    
+    # 构建PDF
+    doc.build(elements)
+    
+    return response
+
+
 def video_terminal_list(request):
     # 获取筛选参数
     selected_branch = request.GET.get('branch', '')