python环境准备
安装Anaconda并配置环境对应的python版本为：3.7.4：
pip配置
在对应用户目录下，本机示例如下：
在pip目录下创建pip.ini内容如下：
[global]
index-url=https://pypi.douban.com/simple
[install]
trusted-host=pypi.douban.com
在环境变量PATH添加pip路径：%HOMEPATH%\pip
tensorflow安装
pip install six numpy wrapt h5py 创建一个虚拟环境：
F:\tf-course>virtualenv --system-site-packages -p python3.7 ./env 激活虚拟环境：
F:\tf-course>env\Scripts\activate 安装tensorflow
(env) F:\tf-cource>pip install tensorflow-cpu==1.15
验证tensorlfow可用
(env) F:\tf-cource>python
Python 3.7.4 (default, Aug 9 2019, 18:34:13) [MSC v.1915 64 bit (AMD64)] :: Anaconda, Inc. on win32
Warning:
This Python interpreter is in a conda environment, but the environment has
not been activated. Libraries may fail to load. To activate this environment
please see https://conda.io/activation
Type "help", "copyright", "credits" or "license" for more information.
>>> import tensorflow as tf
>>> hello=tf.constant("Hello Tensorflow")
>>> sess=tf.Session()
>>> sess.run(hello)
b'Hello Tensorflow'
>>>
