Django 表单的数据统计和报表生成

# forms.py
from django import forms

class KeywordForm(forms.Form):
    string = forms.CharField(label='输入字符串')
    keyword = forms.CharField(label='关键字')

# views.py
from django.shortcuts import render
from django.http import HttpResponse
from collections import Counter
import pandas as pd

from .forms import KeywordForm

def keyword_count(request):
    if request.method == 'POST':
        form = KeywordForm(request.POST)
        if form.is_valid():
            string = form.cleaned_data['string']
            keyword = form.cleaned_data['keyword']
            count = string.count(keyword)
            return generate_report(string, count, keyword)
    else:
        form = KeywordForm()
    return render(request, 'keyword_count.html', {'form': form})

def generate_report(string, count, keyword):
    data = {'输入字符串': [string], '关键字': [keyword], '数量': [count]}
    df = pd.DataFrame(data)
    report = df.to_html()
    return HttpResponse(report)