現在我們來安裝Flask：

Windows系統安裝Flask

如果你的系統是Windows，那安裝起來非常方便——pip install flask

Mac系統安裝Flask

Mac安裝Flask一般為了不影響Python本身的功能會先下載一個虛擬環境，命令如下：

• 第一步：macbookdeMBP-2:~ macbook$ sudo easy_install virtualenv

• 第二步：macbookdeMBP-2:~ macbook$ virtualenv venv

會看到：

New python executable in /Users/macbook/venv/bin/python
Installing setuptools, pip, wheel...done.
 

• 第三步：激活虛擬環境

macbookdeMBP-2:~ macbook$ pwd

/Users/macbook

macbookdeMBP-2:~ macbook$ cd /Users/macbook

macbookdeMBP-2:~ macbook$ ls

Applications Downloads Music PycharmProjects

Desktop Library Pictures VirtualBox VMs

Documents Movies Public venv

macbookdeMBP-2:~ macbook$ cd venv

macbookdeMBP-2:venv macbook$ ls

bin lib

include pip-selfcheck.json

macbookdeMBP-2:venv macbook$ cd bin

macbookdeMBP-2:bin macbook$ ls

activate easy_install-2.7 python-config

activate.csh pip python2

activate.fish pip2 python2.7

activate_this.py pip2.7 wheel

easy_install python

macbookdeMBP-2:bin macbook$ source activate

至此，虛擬機已經激活

• 第四步：在虛擬環境下安裝Flask

先回到venv目錄下，然後安裝

(venv) macbookdeMBP-2:bin macbook$ cd ..

(venv) macbookdeMBP-2:venv macbook$ cd..

(venv) macbookdeMBP-2:~ macbook$ ls

Applications Downloads Music PycharmProjects

Desktop Library Pictures VirtualBox VMs

Documents Movies Public venv

(venv) macbookdeMBP-2:~ macbook$ cd venv

(venv) macbookdeMBP-2:venv macbook$ ls

bin lib

include pip-selfcheck.json

(venv) macbookdeMBP-2:venv macbook$ pip install flask

安裝後看到：

Collecting flask
  Downloading Flask-0.12.2-py2.py3-none-any.whl (83kB)
    100% |████████████████████████████████| 92kB 134kB/s 
Collecting Jinja2>=2.4 (from flask)
  Downloading Jinja2-2.10-py2.py3-none-any.whl (126kB)
    100% |████████████████████████████████| 133kB 214kB/s 
Collecting Werkzeug>=0.7 (from flask)
  Downloading Werkzeug-0.14.1-py2.py3-none-any.whl (322kB)
    100% |████████████████████████████████| 327kB 211kB/s 
Collecting click>=2.0 (from flask)
  Downloading click-6.7-py2.py3-none-any.whl (71kB)
    100% |████████████████████████████████| 71kB 233kB/s 
Collecting itsdangerous>=0.21 (from flask)
  Downloading itsdangerous-0.24.tar.gz (46kB)
    100% |████████████████████████████████| 51kB 492kB/s 
Collecting MarkupSafe>=0.23 (from Jinja2>=2.4->flask)
  Downloading MarkupSafe-1.0.tar.gz
Building wheels for collected packages: itsdangerous, MarkupSafe
  Running setup.py bdist_wheel for itsdangerous ... done
  Stored in directory: /Users/macbook/Library/Caches/pip/wheels/fc/a8/66/24d655233c757e178d45dea2de22a04c6d92766abfb741129a
  Running setup.py bdist_wheel for MarkupSafe ... done
  Stored in directory: /Users/macbook/Library/Caches/pip/wheels/88/a7/30/e39a54a87bcbe25308fa3ca64e8ddc75d9b3e5afa21ee32d57
Successfully built itsdangerous MarkupSafe
Installing collected packages: MarkupSafe, Jinja2, Werkzeug, click, itsdangerous, flask
Successfully installed Jinja2-2.10 MarkupSafe-1.0 Werkzeug-0.14.1 click-6.7 flask-0.12.2 itsdangerous-0.24

至此，Flask安裝完畢。

打開你的pycharm，新建項目，可以看到：

點擊Create

就會生成Flask的模板了：

關於Mac安裝Flask的方法大家可以看一下這篇帖子，或者自己百度一下：

http://blog.csdn.net/idoshi201109/article/details/79079572/

船長對Mac也不熟悉，說實話我自己安裝的過程也是雲裏霧裏，但是可以安裝成功，具體原因我們不著急解釋，畢竟影響不大，即使你不安裝虛擬環境直接安裝Flask也沒有太大的影響（個人觀點）。

如果你明白Mac安裝虛擬環境和Flask的原理，還請不吝賜教！

微信公眾號搜索“自動化測試實戰”或掃描下方二維碼添加關註~~~

Flask第三篇——安裝Flask