django 执行python manage.py makemigrations报错:TypeError: __init__() missing 1 required positional argument: 'on_delete'解决方法:由于建表时有外键字段,需要加on_delete参数,如:tea=models.ForeignKey("teacher", on_delete=models.CASCADE)由于添加时,误将on_delete=models.CASCADE后面加了括号…

django startproject xxx:报错UnicodeDecodeError: 'ascii' codec can't decode byte 0xe6 in position 13: ordinal not in range(128) 原因:文件夹最好不要出现中文…

Django迁移数据库报错 table "xxx" already exists错误 django在migrate时报错django migrate error: table 'xxx' already exists错误. 解决方案python manage.py migrate --fake <appname>…

django正常运行却报错的处理方法 出处 : https://www.infvie.com/ops-notes/django-normal-operation-error 报错一:self._sock.sendall(b) ConnectionAbortedError: [WinError 10053] 您的主机中的软件中止了一个已建立的连接. 解决方法:找到python/Lib/socketserver.py文件,修改SocketWriter类的write方法,具体如下: def write…

完整报错信息如下 django.core.exceptions.ImproperlyConfigured: Requested setting DEFAULT_INDEX_TABLESPACE, but settings are not configured. You must either define the environment variable DJANGO_SETTINGS_MODULE or call settings.configure() before accessing se…

一:报错 RuntimeError: Model class django.contrib.sites.models.Site doesn't declare an explicit app_label and isn't in an application in INSTALLED_APPS 出现这种情况需将Django的Sites框架添加到您的应用程序中,并在您的设置中将SITE_ID设置为1即可.位置放在默认配置的后面,其他应用的前面. INSTALLED_APPS = [ 'django…

VSCode调试部分代码时,报错,提示不能自动获取Models.报错信息如下. go: golang.org/x/crypto@v0.-80db560fac1f: unrecognized import path "golang.org/x/crypto" (https fetch: Get https://golang.org/x/crypto?go-get=1: dial tcp 216.239.37.1:443: connectex: A connection attempt f…

django跨域使用 pip install django-cors-headers 然后在settings文件中加上参数设置 # app配置 INSTALLED_APPS = [ 'django.contrib.admin', 'django.contrib.auth', 'django.contrib.contenttypes', 'django.contrib.sessions', 'django.contrib.messages', 'django.contrib.staticfiles…

原因: 问题1. 即从mysql5.7版本之后,默认采用了caching_sha2_password验证方式. 问题2.  然后在执行 python manage.py makemigrations依然报错,如下图2/3   raise errorclass(errno, errval)   django.db.utils.OperationalError: (1045, u"Access denied for user 'root'@'localhost' (using password: Y…

在django下创建APP项目时遇到的坑 python manage.py startapp app01 报错内容如下: 解决:找到报错中的文件夹151行删除items(),)中的逗号即可 在命令行下运行python manage.py runserver/python manage.py createsuperuser时提示错误:ImportError: Couldn't import Django. Are you sure it's installed and available on y…