manage.py中syncdb的使用
inspectdb作用:已有數據庫表反向生成Models
python manage.py inspectdb
syncdb作用: 根據Model生成數據庫表
python manage.py syncdb。本命令會修復SQL的匹配問題,同步數據庫,生成管理界面使用的額外的數據庫表
Django根據models生成數據庫表時報錯
MySQLdb in Python: “Can’t connect to MySQL server on ‘localhost’”
settings中有關數據庫的配置爲:
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.mysql',
'NAME': 'book',
'USER': 'root',
'PASSWORD': 'root',
'HOST': 'localhost',
'PORT': '3306'
}
}
此時將HOST中的localhost換爲127.0.0.1即可。更改後爲:
DATABASES = {
'default': {
'ENGINE': 'django.db.backends.mysql',
'NAME': 'book',
'USER': 'root',
'PASSWORD': 'root',
'HOST': '127.0.0.1',
'PORT': '3306'
}
}
models.py中代碼爲:
# coding=utf-8
from django.db import models
import django.utils.timezone as timezone
class BorrowRecord(models.Model):
book_name = models.CharField('書名', max_length=200, null=False)
staff_name = models.CharField('借書人', max_length=20, null=False)
borrow_time = models.DateTimeField(default=timezone.now)
renew_time = models.DateTimeField(null=True)
return_time = models.DateTimeField(null=True)
substitute =models.CharField('代還人', max_length=20, null=True)
remarks = models.CharField('備註', max_length=500, null=True)
def __str__(self):
return self.name
admin.py中代碼爲:
# coding=utf8
from django.contrib import admin
from book import models as bookModels
admin.site.register(bookModels.BorrowRecord)
在項目目錄下, python manage.py syncdb 根據models生成數據庫表
manage.py中createsuperuser的使用
D:\PycharmProjects\NewBook>
D:\PycharmProjects\NewBook>python manage.py createsuperuser
Username: bookAdmin
Email address: [email protected]
Password:
Password (again):
Superuser created successfully.