Django Wiki：解决新建页面保存失败问题

def new(request):
    if request.method == 'GET':
        return render(request, "encyclopedia/new.html", {
            "create_form": CreateForm(),
            "search_form": SearchForm()
        })


    file_content = request.POST.get("content","")
    file_title = request.POST.get("title", "")

    if (len(file_content) == 0 or len(file_title) == 0):
            return render(request, "encyclopedia/error.html", {
                "message": "Bad Request",
                "description": "Title and content cannot be empty",
                "status": 400
            }) 

    if util.get_entry(file_title):
            return render(request, "encyclopedia/error.html", {
                "message": "Bad Request",
                "description": "This page already exists",
                "status": 400
            })

from django.shortcuts import render, redirect
from .forms import CreateForm  # 假设CreateForm定义在forms.py中
from . import util # 假设util.py包含get_entry函数
from .forms import SearchForm #假设SearchForm定义在forms.py中

def new(request):
    if request.method == 'POST':
        create_form = CreateForm(request.POST)
        if create_form.is_valid():
            file_title = create_form.cleaned_data['title']
            file_content = create_form.cleaned_data['content']

            # 检查页面是否已存在
            if util.get_entry(file_title):
                return render(request, "encyclopedia/error.html", {
                    "message": "Bad Request",
                    "description": "This page already exists",
                    "status": 400
                })

            # 保存页面内容
            util.save_entry(file_title, file_content)  # 假设util.save_entry函数存在
            return redirect('wiki:entry', title=file_title) # 重定向到新创建的页面，'wiki:entry' 需要在urls.py中配置

        else:
            # 表单验证失败，重新渲染表单并显示错误信息
            return render(request, 'encyclopedia/new.html', {'create_form': create_form, "search_form": SearchForm()})
    else:
        # GET请求，显示创建表单
        create_form = CreateForm()
        return render(request, 'encyclopedia/new.html', {'create_form': create_form, "search_form": SearchForm()})