我正在尝试在 models.py 文件中创建外键。但是在运行 python manage.py migrate 命令时,我收到以下错误,之前一切都很好。即使我撤消了所有更改,它仍然给出相同的错误,我也尝试删除我的数据库,但没有任何效果。
Applying mutech.0004_sub_branch...Traceback (most recent call last):
File "manage.py", line 10, in <module>
execute_from_command_line(sys.argv)
File "/home/rahul/mydjangoapp/jango/local/lib/python2.7/site-packages/django/core/management/__init__.py", line 385, in execute_from_command_line
utility.execute()
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File "/home/rahul/mydjangoapp/jango/local/lib/python2.7/site-packages/django/db/models/fields/related.py", line 1414, in resolve_related_fields
raise ValueError('Related model %r cannot be resolved' % self.rel.to)
ValueError: Related model u'mutech.branch' cannot be resolved
models.py 文件-
from django.db import models
class branch(models.Model):
branch_title = models.CharField(max_length=50)
def __unicode__(self): # __str__ on Python 3
return str(self.branch_title)
class project(models.Model):
project_title = models.CharField(max_length=50)
project_image = models.ImageField(upload_to="images")
project_desc = models.CharField(max_length=200)
project_duration = models.CharField(max_length=50)
branch = models.ForeignKey(branch)
def __unicode__(self): # __unicode__ on Python 2
return str(self.project_title)
view.py 文件是 -
from django.shortcuts import render, get_object_or_404, render_to_response
from django.http import HttpResponse, HttpResponseRedirect
from mutech.models import *
def project_info(request):
project_list = project.objects.all()
branch_list = branch.objects.all()
context = {'project_list':project_list , 'branch_list':branch_list }
return render(request, 'mutech/project.html', context)
def project_branch_info(request):
branch_list = branch.objects.all()
context = {'branch_list':branch_list }
return render(request, 'mutech/project_branch_info.html', context)