Python Django CharField未定义
使用这段代码,我在运行python manage.py makemigrations时遇到命令行错误。 未定义名称字符域 如何修复它。您在一些声明中直接使用了CharField而不是models.CharField 这应该做到:Python Django CharField未定义,python,django,django-models,Python,Django,Django Models,使用这段代码,我在运行python manage.py makemigrations时遇到命令行错误。 未定义名称字符域 如何修复它。您在一些声明中直接使用了CharField而不是models.CharField 这应该做到: from django.db import models class Pet(models.Model): SEX_CHOICES = [('M','Male'), ('F', 'Female')] name = CharField(max_lengt
from django.db import models
class Pet(models.Model):
SEX_CHOICES = [('M','Male'), ('F', 'Female')]
name = CharField(max_length=100)
submitter = CharField(max_length=100)
species = CharField(max_length=30)
breed = CharField(max_length=30, blank=True)
description = models.TextField()
sex = models.CharField(choices=SEX_CHOICES, max_length=1, blank=True)
submission_date = models.DateTimeField()
age = models.IntegerField(null=True)
vaccinations = models.ManyToManyField('Vaccine', blank=True)
class Vaccine(models.Model):
name = models.CharField(max_length=50)
在某些声明中,您直接使用了CharField而不是models.CharField
这应该做到:
from django.db import models
class Pet(models.Model):
SEX_CHOICES = [('M','Male'), ('F', 'Female')]
name = CharField(max_length=100)
submitter = CharField(max_length=100)
species = CharField(max_length=30)
breed = CharField(max_length=30, blank=True)
description = models.TextField()
sex = models.CharField(choices=SEX_CHOICES, max_length=1, blank=True)
submission_date = models.DateTimeField()
age = models.IntegerField(null=True)
vaccinations = models.ManyToManyField('Vaccine', blank=True)
class Vaccine(models.Model):
name = models.CharField(max_length=50)
不应该是这样吗:
from django.db import models
class Pet(models.Model):
SEX_CHOICES = [('M','Male'), ('F', 'Female')]
name = models.CharField(max_length=100)
submitter = models.CharField(max_length=100)
species = models.CharField(max_length=30)
breed = models.CharField(max_length=30, blank=True)
description = models.TextField()
sex = models.CharField(choices=SEX_CHOICES, max_length=1, blank=True)
submission_date = models.DateTimeField()
age = models.IntegerField(null=True)
vaccinations = models.ManyToManyField('Vaccine', blank=True)
class Vaccine(models.Model):
name = models.CharField(max_length=50)
不应该是这样吗:
from django.db import models
class Pet(models.Model):
SEX_CHOICES = [('M','Male'), ('F', 'Female')]
name = models.CharField(max_length=100)
submitter = models.CharField(max_length=100)
species = models.CharField(max_length=30)
breed = models.CharField(max_length=30, blank=True)
description = models.TextField()
sex = models.CharField(choices=SEX_CHOICES, max_length=1, blank=True)
submission_date = models.DateTimeField()
age = models.IntegerField(null=True)
vaccinations = models.ManyToManyField('Vaccine', blank=True)
class Vaccine(models.Model):
name = models.CharField(max_length=50)
您应该将CharField类添加到模块导入,
即
但是,这不是在项目中导入模块的正确方法。因此,将models.py更改如下:
您应该将CharField类添加到模块导入,
即
但是,这不是在项目中导入模块的正确方法。因此,将models.py更改如下:
它起作用了。。。。谢谢杰林·彼得·乔治。。。。。我从昨天起就被卡住了。。。。愿上帝保佑你……成功了。。。。谢谢杰林·彼得·乔治。。。。。我从昨天起就被卡住了。。。。愿上帝保佑你。。。。
from django.db import models
class Pet(models.Model):
SEX_CHOICES = [('M','Male'), ('F', 'Female')]
name = models.CharField(max_length=100)
submitter = models.CharField(max_length=100)
species = models.CharField(max_length=30)
breed = models.CharField(max_length=30, blank=True)
description = models.TextField()
sex = models.CharField(choices=SEX_CHOICES, max_length=1, blank=True)
submission_date = models.DateTimeField()
age = models.IntegerField(null=True)
vaccinations = models.ManyToManyField('Vaccine', blank=True)
class Vaccine(models.Model):
name = models.CharField(max_length=50)