django报错:django.core.exceptions.ImproperlyConfigured: 处理办法

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django报错:
Eclipse pydev 运行不出错，cmd 命令行界面中Python 运行出错:
django.core.exceptions.ImproperlyConfigured:
Requested setting DATABASES, but settings are not configured. You must either define the environment variable DJANGO_SETTINGS_MODULE or call
settings.configure() before accessing settings.
解决方法一：
Main代码中增加;
import os
os.environ[‘DJANGO_SETTINGS_MODULE’] = ‘mysite.settings’
解决方法二：
命令行运行程序之前运行以下命令或者在bat 批处理文件中增加这句话；
set DJANGO_SETTINGS_MODULE=mysite.settings