refrence: https://docs.djangoPRoject.com/en/1.8/intro/install/
安装 Django三种可选的方式进行安装 Django：
通过操作系统的提供的 Django 分发包进行安装$sudoapt-getinstallpython-django
安装官方发布的版本， 这种安装方式通常是极好的
使用 pip工具 (pip (package manager) for python)
$pipinstalldjango # lastest version
$pipinstall'django==1.4'# specific version
$pipinstall'django<=1.4'# maximum version
$pipinstall'django>=1.4'# minimum version
手动安装下载安装包download page.解压并执行安装指令$python setup.pyinstall
安装开发版本$ git clone git://github.com/django/django.git django-trunk
验证安装$python -c'import django; print(django.get_version())'1.4.5
完整案例：cc@debian:~$mkdirpy-env-dj-1.8cc@debian:~$ virtualenv py-env-dj-1.8/New python executableinpy-env-dj-1.8/bin/python
Installing setuptools, pip, wheel...done.cc@debian:~$ . py-env-dj-1.8/bin/activate
(py-env-dj-1.8)cc@debian:~$ pipinstall'django>=1.8'/home/cc
/py-env-dj-1.8/local/lib/python2.7/site-packages/pip/_vendor/requests/packages/urllib3/util/ssl_.py:90: InsecurePlatformWarning: AtrueSSLContextobjectis not available. This prevents urllib3 from configuring SSL appropriately and may cause certain SSL connections to fail. Formoreinformation, see https://urllib3.readthedocs.org/en/latest/security.html#insecureplatformwarning.InsecurePlatformWarning
Collecting django>=1.8Downloading http://pypi.douban.com/packages/py2.py3/D/Django/Django-1.8.3-py2.py3-none-any.whl (6.2MB)46% |██████████████▉ |2.9MB 151kB/s eta0:00:22