点击新文章提交之后出现ValueError at /blog/edit/action
django:2.1.0 pycharm:2018.2 invalid literal for int() with base 10: ''
| Request Method: | POST |
|---|---|
| Request URL: | http://127.0.0.1:8000/blog/edit/action |
| Django Version: | 2.1.1 |
| Exception Type: | ValueError |
| Exception Value: | invalid literal for int() with base 10: '' |
| Exception Location: | C:\Users\89758\AppData\Local\Programs\Python\Python37\lib\site-packages\django-2.1.1-py3.7.egg\django\db\models\fields\__init__.py in get_prep_value, line 965 |
| Python Executable: | C:\Users\89758\AppData\Local\Programs\Python\Python37\python.exe |
| Python Version: | 3.7.0 |
| Python Path: | ['D:\\Python\\myblog', 'C:\\Users\\89758\\AppData\\Local\\Programs\\Python\\Python37\\python37.zip', 'C:\\Users\\89758\\AppData\\Local\\Programs\\Python\\Python37\\DLLs', 'C:\\Users\\89758\\AppData\\Local\\Programs\\Python\\Python37\\lib', 'C:\\Users\\89758\\AppData\\Local\\Programs\\Python\\Python37', 'C:\\Users\\89758\\AppData\\Roaming\\Python\\Python37\\site-packages', 'C:\\Users\\89758\\AppData\\Local\\Programs\\Python\\Python37\\lib\\site-packages', 'C:\\Users\\89758\\AppData\\Local\\Programs\\Python\\Python37\\lib\\site-packages\\django-2.1.1-py3.7.egg', 'C:\\Users\\89758\\AppData\\Local\\Programs\\Python\\Python37\\lib\\site-packages\\pytz-2018.5-py3.7.egg'] |
| Server time: | 星期二, 25 九月 2018 02:49:36 +0000 |
edit_page:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Edit Page</title>
</head>
<body>
<form action="{% url 'blog:edit_action' %}" method="post">
{% csrf_token %}
{% if article %}
<input type="hidden" name="article_id" value="{{ article.id }}">
<label>文章标题
<input type="text" name="title" value="{{ article.title }}" >
</label>
<br>
<label>文章内容
<input type="text" name="content" value="{{ article.content }}">
</label>
<br>
{% else %}
<input type="hidden" name="article_id" value="" >
<label>文章标题
<input type="text" name="title" value="">
</label>
<br>
<label>文章内容
<input type="text" name="content" value="">
</label>
<br>
{% endif %}
<input type="submit" value="提交">
</form>
</body>
</html>views:
from django.shortcuts import render
from . import models
from django.http import HttpResponse
from django.http import HttpResponseRedirect
# Create your views here.
def index(request):
article = models.Articel.objects.all()
return render(request, 'index.html', {'article':article})
def article_page(request,article_id):
article= models.Articel.objects.get(pk=article_id)
return render(request,'article_page.html',{'article':article})
def edit_page(request,article_id):
if str(article_id)=='0':
return render(request,'edit_page.html')
article= models.Articel.objects.get(pk=article_id)
return render(request,'edit_page.html',{'article':article})
def edit_action(request):
title = request.POST.get('title','TITLE')
content = request.POST.get('content','CONTENT')
article_id = request.POST.get('article_id','0')
if article_id == '0':
models.Articel.objects.create(title=title, content=content)
articles = models.Articel.objects.all()
return render(request,'index.html', {'articles': articles})
article = models.Articel.objects.get(pk=article_id)
article.title = title
article.content = content
article.save()
return render(request,'article_page.html',{'article':article})
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