1 执行数据库迁移,Migration, 成功后应该可以查看数据库
py manage.py migrate
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打开数据库,可以看到表已经建立文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/27794.html
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数据库配置文件文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/27794.html
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2创建模型
from django.db import models
class Question(models.Model):
question_text = models.CharField(max_length=200)
pub_date = models.DateTimeField('date published')
class Choice(models.Model):
question = models.ForeignKey(Question, on_delete=models.CASCADE)
choice_text = models.CharField(max_length=200)
votes = models.IntegerFiel
3 将模型生成到数据库
3.1 将应用添加到主配置
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3.2 执行迁移
py manage.py makemigrations polls
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3.3 生成迁移sql语句
py manage.py sqlmigrate polls 0001
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3.4 再次运行migrate
py manage.py migrate
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作者:三重罗生门
来源:稀土掘金文章源自菜鸟学院-https://www.cainiaoxueyuan.com/bc/27794.html