1. Environmental requirements
Python环境：python 3.6.3, 3.7.3(最好是3.7.3，因为我是)
FISCO BCOS节点：可以直接建链,可以是节点前置,也可以是一键部署
2. Install python
2.1, python download address
https://www.python.org/downloads/release/python-373/
2.2. Environment variable configuration
3. Download pip
3.1, pip download address
https://pypi.org/project/pip/
3.2. Unzip it in the root folder of python
3.3, the current file path opens cmd
进入pip22.