我在做Django 2项目。我有一个我以前从未遇到过的错误。HTML页面:
<body>
<h1>Postlar burada görüntüleniyor</h1>
<a href="{% url 'postlar:post_olustur' %}">Post Oluştur</a>
{% for post in listelenen_postlar %}
<br>
<a href="{% url 'postlar:post_detay' post.id %}">{{post.başlık}}</a>
<br>
{{post.içerik}}
<br>
{{post.olusturma_zamanı}}/////////////////{{post.olusturma_zamanı|timesince}} ago
<br>
{{post.güncelleme_zamanı}}
<br>
{% endfor %}
在 视图.py在
^{pr2}$在网址.py在我的应用程序中:
urlpatterns = [
url(r'^$',view=post_listele, name="post_listele"),
url(r'^post_olustur/$',view=post_olustur, name='post_olustur'),
url(r'^post_detay/(?P<id>[0-9]+)$',view=post_detay, name='post_detay'),]
这是错误:
TypeError at /postlar/
unhashable type: 'list'
Request Method: GET
Request URL: http://127.0.0.1:8000/postlar/
Django Version: 2.0.7
Exception Type: TypeError
Exception Value:
unhashable type: 'list'
Exception Location: C:\Users\mete\Desktop\blog_deneme\venv\lib\site-packages\django\db\models\sql\compiler.py in get_order_by, line 290
Python Executable: C:\Users\mete\Desktop\blog_deneme\venv\Scripts\python.exe
Python Version: 3.6.4
Python Path:
['C:\\Users\\mete\\Desktop\\blog_deneme\\blog',
'C:\\Users\\mete\\Desktop\\blog_deneme\\venv\\Scripts\\python36.zip',
'C:\\Users\\mete\\Desktop\\blog_deneme\\venv\\DLLs',
'C:\\Users\\mete\\Desktop\\blog_deneme\\venv\\lib',
'C:\\Users\\mete\\Desktop\\blog_deneme\\venv\\Scripts',
'c:\\python\\Lib',
'c:\\python\\DLLs',
'C:\\Users\\mete\\Desktop\\blog_deneme\\venv',
'C:\\Users\\mete\\Desktop\\blog_deneme\\venv\\lib\\site-packages']
Server time: Mon, 30 Jul 2018 22:50:33 +0000
谢谢..
这是我的模型.py在
class Post(models.Model):
başlık = models.CharField(max_length=120,blank=False,verbose_name="Başlık")
içerik = models.CharField(max_length=220,verbose_name="İçerik")
olusturma_zamanı = models.DateTimeField(auto_now_add=True)
güncelleme_zamanı = models.DateTimeField(auto_now=True)
def __str__(self):
return "{}".format(self.başlık)
class Meta:
verbose_name_plural="Gönderilerim"
ordering = ["id"],
看起来Django在理解如何订购你的queryset时遇到了困难。。。在
尝试从以下位置更改元类值:
ordering = ["id"],
到
ordering = ["id",]
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