2
我嘗試做，使用django 1.6的項目。但下面的代碼行5傳遞錯誤。沒有那一行每件事情都很好。我是新的程序員。期待一些專家的幫助。DijanError模板渲染期間Dijango 1.6
1 {% extends "base.html" %}
2
3 {% block content %}
4 {% for post in posts_list %}
5 <h2><a href="{% url post slug=post.slug %}">{{ post.title }}</a></h2>
6 <p>{{ post.body|truncatewords:20 }}</p>
7 <p>
8 {{ post.created_at }} |
9 {% with total=post.comments|length %}
10 {{ total }} comment{{ total|pluralize }}
11 {% endwith %}
12 </p>
13 {% endfor %}
14 {% endblock %}
urls.py
from django.conf.urls import patterns, include, url
from django.views.generic import ListView, DetailView
from .models import Post
urlpatterns = patterns('',
url(r'^$', ListView.as_view(
queryset=Post.objects.all(),
context_object_name="posts_list"),
name="home"
),
url(r'^post/(?P<slug>[a-zA-Z0-9-]+)/$', DetailView.as_view(
queryset=Post.objects.all(),
context_object_name="post"),
name="post"
),
)
Models.py
from django.db import models
# Create your models here.
from django.core.urlresolvers import reverse
from djangotoolbox.fields import ListField, EmbeddedModelField
class Post(models.Model):
created_at = models.DateTimeField(auto_now_add=True, db_index=True)
title = models.CharField(max_length=255)
slug = models.SlugField()
body = models.TextField()
comments = ListField(EmbeddedModelField('Comment'), editable=False)
def get_absolute_url(self):
return reverse('post', kwargs={"slug": self.slug})
def __unicode__(self):
return self.title
class Meta:
ordering = ["-created_at"]
class Comment(models.Model):
created_at = models.DateTimeField(auto_now_add=True)
body = models.TextField(verbose_name="Comment")
author = models.CharField(verbose_name="Name", max_length=255)
如果你願意，我會提供進一步的細節。
===============完整追蹤============================= ============
Environment:
Request Method: GET
Request URL: http://127.0.0.1:8000/
Django Version: 1.6.11
Python Version: 2.7.6
Installed Applications:
('django_mongodb_engine',
'django.contrib.admin',
'django.contrib.auth',
'django.contrib.contenttypes',
'django.contrib.sessions',
'django.contrib.messages',
'django.contrib.staticfiles',
'marcador')
Installed Middleware:
('django.contrib.sessions.middleware.SessionMiddleware',
'django.middleware.common.CommonMiddleware',
'django.middleware.csrf.CsrfViewMiddleware',
'django.contrib.auth.middleware.AuthenticationMiddleware',
'django.contrib.messages.middleware.MessageMiddleware',
'django.middleware.clickjacking.XFrameOptionsMiddleware')
Template error:
In template /home/umayanga/Desktop/mongoProject/test2/marcador/templates/marcador/post_list.html, error at line 5
coercing to Unicode: need string or buffer, Post found
1 : {% extends "base.html" %}
2 :
3 : {% block content %}
4 : {% for post in posts_list %}
5 : <h2><a href=" {% url post slug=post.slug %} ">{{ post.title }}</a></h2>
6 : <p>{{ post.body|truncatewords:20 }}</p>
7 : <p>
8 : {{ post.created_at }} |
9 : {% with total=post.comments|length %}
10 : {{ total }} comment{{ total|pluralize }}
11 : {% endwith %}
12 : </p>
13 : {% endfor %}
14 : {% endblock %}
Traceback:
File "/home/umayanga/Desktop/mongoProject/myprojec/local/lib/python2.7/site-packages/django/core/handlers/base.py" in get_response
137. response = response.render()
File "/home/umayanga/Desktop/mongoProject/myprojec/local/lib/python2.7/site-packages/django/template/response.py" in render
105. self.content = self.rendered_content
File "/home/umayanga/Desktop/mongoProject/myprojec/local/lib/python2.7/site-packages/django/template/response.py" in rendered_content
82. content = template.render(context)
File "/home/umayanga/Desktop/mongoProject/myprojec/local/lib/python2.7/site-packages/django/template/base.py" in render
140. return self._render(context)
File "/home/umayanga/Desktop/mongoProject/myprojec/local/lib/python2.7/site-packages/django/template/base.py" in _render
134. return self.nodelist.render(context)
File "/home/umayanga/Desktop/mongoProject/myprojec/local/lib/python2.7/site-packages/django/template/base.py" in render
840. bit = self.render_node(node, context)
File "/home/umayanga/Desktop/mongoProject/myprojec/local/lib/python2.7/site-packages/django/template/debug.py" in render_node
78. return node.render(context)
File "/home/umayanga/Desktop/mongoProject/myprojec/local/lib/python2.7/site-packages/django/template/loader_tags.py" in render
123. return compiled_parent._render(context)
File "/home/umayanga/Desktop/mongoProject/myprojec/local/lib/python2.7/site-packages/django/template/base.py" in _render
134. return self.nodelist.render(context)
File "/home/umayanga/Desktop/mongoProject/myprojec/local/lib/python2.7/site-packages/django/template/base.py" in render
840. bit = self.render_node(node, context)
File "/home/umayanga/Desktop/mongoProject/myprojec/local/lib/python2.7/site-packages/django/template/debug.py" in render_node
78. return node.render(context)
File "/home/umayanga/Desktop/mongoProject/myprojec/local/lib/python2.7/site-packages/django/template/loader_tags.py" in render
62. result = block.nodelist.render(context)
File "/home/umayanga/Desktop/mongoProject/myprojec/local/lib/python2.7/site-packages/django/template/base.py" in render
840. bit = self.render_node(node, context)
File "/home/umayanga/Desktop/mongoProject/myprojec/local/lib/python2.7/site-packages/django/template/debug.py" in render_node
78. return node.render(context)
File "/home/umayanga/Desktop/mongoProject/myprojec/local/lib/python2.7/site-packages/django/template/defaulttags.py" in render
196. nodelist.append(node.render(context))
File "/home/umayanga/Desktop/mongoProject/myprojec/local/lib/python2.7/site-packages/django/template/defaulttags.py" in render
439. url = reverse(project_name + '.' + view_name,
Exception Type: TypeError at/
Exception Value: coercing to Unicode: need string or buffer, Post found
請發佈完整的回溯。 –
@RahulGupta，我想你會想到，我加了一個問題。 – uma