2024-06-17 20:40:32 +08:00
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import urllib.parse
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from datetime import datetime
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from django.contrib.auth.decorators import login_required
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from django.contrib.staticfiles import finders
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from django.http import HttpResponseBadRequest, JsonResponse, FileResponse, HttpResponseNotFound
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2024-06-17 15:52:01 +08:00
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from django.shortcuts import render
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2024-06-17 20:40:32 +08:00
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from django.urls import reverse
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from openpyxl.reader.excel import load_workbook
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@login_required
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def dl_excel_tpl(request, template_name):
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"""
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该视图提供下载指定的Excel模板文件。
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参数:
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request: HttpRequest对象。
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template_name: 请求下载的Excel模板文件的名称,期望是一个字符串。
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fields: 包含字段信息的字典,用于生成Excel文件的表头和格式。
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返回:
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FileResponse对象,允许用户下载生成的Excel文件。
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如果文件未找到,则返回一个HttpResponseNotFound响应。
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"""
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# 使用finders.find()根据文件名在Django的静态文件目录中查找文件的绝对路径
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file_path = finders.find(f'excels/{template_name}')
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2024-06-17 15:52:01 +08:00
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2024-06-17 20:40:32 +08:00
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# 如果文件路径不存在,返回404响应
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if not file_path:
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return JsonResponse("Excel模板文件不存在", status=400)
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2024-06-17 15:52:01 +08:00
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2024-06-17 20:40:32 +08:00
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# 创建FileResponse对象,设置为以附件形式下载,设置MIME类型为Excel文件
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response = FileResponse(open(file_path, 'rb'), content_type='application/vnd.openxmlformats-officedocument.spreadsheetml.sheet')
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# 设置Content-Disposition头,告诉浏览器这是一个需要下载的文件
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# 使用urllib.parse.quote对文件名进行URL编码,以确保文件名中包含的特殊字符不会引起问题
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response['Content-Disposition'] = f'attachment; filename="{urllib.parse.quote(template_name)}"'
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return response
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@login_required
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2024-06-17 15:52:01 +08:00
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def common_parse(request):
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2024-06-17 20:40:32 +08:00
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if request.method == 'POST':
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excel_file = request.FILES['file']
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template_name = request.POST.get('template_name')
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wb = load_workbook(excel_file)
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sheet = wb.active
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# 获取上传文件中的列名
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uploaded_columns = [cell.value for cell in sheet[1]]
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# 获取模板中的列名
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template_path = finders.find(f'excels/{template_name}')
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if not template_path:
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return JsonResponse({'error': "Excel模板文件不存在"}, status=400)
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template_wb = load_workbook(template_path)
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template_sheet = template_wb.active
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template_columns = [cell.value for cell in template_sheet[1]]
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# 对比表头
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if uploaded_columns != template_columns:
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return JsonResponse({'error': "请使用填报模板上传"}, status=400)
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# 获取数据并处理 datetime 对象
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data = []
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for row in sheet.iter_rows(min_row=2, values_only=True):
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row_data = []
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for cell in row:
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if isinstance(cell, datetime):
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row_data.append(cell.strftime('%Y-%m-%d'))
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else:
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row_data.append(cell)
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# 检查行是否有非空单元格
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if any(cell is not None and cell != '' for cell in row_data):
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data.append(row_data)
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# 存储解析数据到 session 中
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request.session['columns'] = uploaded_columns
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request.session['table_data'] = data
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# 返回新的页面 URL
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return JsonResponse({'redirect_url': reverse("excel_preview")})
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else:
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return JsonResponse({"error": "请求方法错误"}, status=400)
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@login_required
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def excel_preview(request):
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columns = request.session.get('columns', [])
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table_data = request.session.get('table_data', [])
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return render(request, 'excel_preview_table.html', {'columns': columns, 'table_data': table_data})
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