解决Invalid HTTP_HOST header: 'xxx.xx.xxx.xxx:8000'. You may need to add 'xxx.xx' to ALLOWED_HOSTS问题

运行django程序后，通过浏览器访问服务器网址的8000端口，出现访问错误，报错如下

DisallowedHost at /
Invalid HTTP_HOST header: 'xxx.xx.xxx.xxx:8000'. You may need to add 'xxx.xx.xxx.xxx' to ALLOWED_HOSTS.
Request Method:	GET
Request URL:	http://xxx.xx.xxx.xxx:8000/
Django Version:	2.2
Exception Type:	DisallowedHost
Exception Value:	
Invalid HTTP_HOST header: 'xxx.xx.xxx.xxx:8000'. You may need to add 'xxx.xx.xxx.xxx' to ALLOWED_HOSTS.
Exception Location:	/usr/local/lib/python3.5/dist-packages/django/http/request.py in get_host, line 111
Python Executable:	/usr/bin/python3
Python Version:	3.5.2
Python Path:	
['/workspace/Django/Jsmind_Html',
 '/usr/lib/python35.zip',
 '/usr/lib/python3.5',
 '/usr/lib/python3.5/plat-x86_64-linux-gnu',
 '/usr/lib/python3.5/lib-dynload',
 '/usr/local/lib/python3.5/dist-packages',
 '/usr/lib/python3/dist-packages']
Server time:	Sat, 6 Apr 2019 02:40:04 +0000

解决办法：

修改创建项目时生成的setting.py文件

将

ALLOWED_HOSTS = []

改为

ALLOWED_HOSTS = ['*']