from django.shortcuts import render, redirect
from django.http import HttpResponseRedirect

def process_data(request):
    if request.method == 'POST':
        # 处理数据或执行任务
        # ...

        # 重定向到中间页面
        return HttpResponseRedirect('/intermediate-page/')

    return render(request, 'input-form.html')

# urls.py

from django.urls import path
from . import views

urlpatterns = [
    path('import-data/', views.import_data, name='import-data'),
]

# views.py

import csv
from django.shortcuts import render, redirect
from django.http import HttpResponseRedirect

def import_data(request):
    if request.method == 'POST':
        csv_file = request.FILES['csv_file']
        # 将CSV文件读取为数据列表
        data = csv.reader(csv_file)
        # 处理数据导入的逻辑
        # ...

        # 重定向到中间页面
        return HttpResponseRedirect('/import-progress/')

    return render(request, 'import-form.html')

<!-- import-progress.html -->

{% extends 'base.html' %}

{% block content %}
<h2>数据导入中...</h2>
<p>请耐心等待，这可能需要一些时间。</p>
{% endblock %}