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mysql -u root -p

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    'default': {

        'ENGINE': 'django.db.backends.mysql',

        'NAME': 'test',  # 数据库名字

        'USER': 'root',

        'PASSWORD': 'root',  # 数据库密码

        'HOST': 'localhost',

        'PORT': '3306',  # 端口号

    }

}

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class UserInfo(models.Model):

    name = models.CharField(max_length=32)

    password = models.CharField(max_length=64)

    age = models.IntegerField()

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python manage.py makemigrations

python manage.py migrate

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python manage.py makemigrations

python manage.py migrate