Django new_topic() got an unexpected keyword argument 'topic_id'

Question

forms.py
from django import forms

from .models import Topic,Entry


class TopicForm(forms.ModelForm):
    class Meta:
        model = Topic
        fields = ['text']
        labels = {'text': ''}


class EntryForm(forms.ModelForm):
    """用于添加新条目的表单"""
    class Meta:
        model = Entry
        fields = ['text']
        labels = {'text': ''}
        widgets = {'text': forms.Textarea(attrs={'cols': 80})}
urls.py
"""定义learning_logs的URL模式"""
from django.conf.urls import url
#从当前的urls.py所在文件夹导入views
from . import  views

# 包含可在应用程序learning_ logs中请求的网页
urlpatterns = [
    #主页
    url(r'^$',views.index,name='index'),
    #显示所有的主题
    url(r'^topics/$',views.topics,name='topics'),
    #特定主题的详细页面
    url(r'^topics/(?P<topic_id>\d+)/$',views.topic,name='topic'),
    #用于添加新主题的网页
    url(r'^new_topic/$',views.new_topic,name='new_topic'),
    #用于添加新条目的页面
    url(r'^new_entry/(?P<topic_id>\d+)/$',views.new_topic,name="new_entry"),

]
views.py
 from django.shortcuts import render

from django.http import HttpResponseRedirect

from django.urls import reverse

from .models import Topic
from .forms import TopicForm,EntryForm


# Create your views here.
def index(request):
    """学习笔记的主题"""
    return render(request, 'learning_logs/index.html')


def topics(request):
    """显示所有的主题"""
    topics = Topic.objects.order_by('date_added')
    context = {'topics': topics}
    return render(request, 'learning_logs/topics.html', context)


def topic(request, topic_id):
    """显示单个主题及其所有的条目"""
    topic = Topic.objects.get(id=topic_id)
    entries = topic.entry_set.order_by('-date_added')
    context = {'topic': topic, 'entries': entries}
    return render(request, 'learning_logs/topic.html', context)


def new_topic(request):
    """添加新主题"""
    if request.method != 'POST':
        # 未提交数据，创建一个新表单
        form = TopicForm()
    else:
        # POST提交数据，对数据处理.我们使用用户输入的数据（它们存储在request.POST中）创建一个TopicForm实例
        form = TopicForm(request.POST)
        # is_valid()核实用户填写了所有必不可少的字段,且输入的数据与要求的字段类型一致
        if form.is_valid():
            # 表单中的数据写入数据库
            form.save()
        return HttpResponseRedirect(reserve('learning_logs:topics'))

    context = {'form': form}
    return render(request, 'learning_logs/new_topic.html', context)


def new_entry(request, topic_id):
    """添加新条目"""
    topic = Topic.objects.get(id=topic_id)

    if request.method != 'POST':
        # 没提交数据，建立一个空表单
        form = EntryFrom()

    else:
         # POST提交数据，对数据处理
         form = EntryFrom(data=request.POST)
         if form.is_valid():
            new_entry = form.save(commit=False)
            new_entry.topic = topic
            new_entry.save()
            return HttpResponseRedirect(reserve('learning_logs:topic', args=[topic_id]))

    context = {'topic': topic, 'form': form}
    return render(request, 'learning_logs/new_entry.html', context)

我找不到错误，获得意外参数要怎么解决？

Answer 1

把出错的信息截下图
另外，你的代码来源有没有要求 用哪个版本的django? django 有几个大版本。各个版本的写法有所区别。