将
C:Users用户名AppDataLocalProgramsPythonPython35Scripts
C:Users用户名AppDataLocalProgramsPythonPython35
加入path环境变量，这样就可以直接运行pip3, scrapy startproject
安装easy_install
PS C:Users用户名AppDataLocalProgramsPythonPython35Scripts> easy_install-3.5.exe pip
安装scrapy
PS C:Users用户名AppDataLocalProgramsPythonPython35Scripts>pip3 install scrapy
创建scrapy项目：
scrapy startproject myproject