Also found a good way to install the third-party module of Python

Today, surfing the the Internet, Baidu search "window anzhuang scrapy", found a good blog article, the following arrangement: on this site https://www.continuum.io/downloads, download package Anaconda (Python2.7 and Python3.6 two versions of the software package), what is anaconda?

With over 4.5 million users, Anaconda is the world's most popular Python data science platform. Anaconda, Inc. Continues to lead open source projects like Anaconda, NumPy and SciPy that form the foundation of modern data science. Anaconda's flagship product, Anaconda Enterprise, allows organizations to secure, govern, scale and extend Anaconda to deliver actionable insights that drive businesses and industries forward.

Next step is installing it.

Installing what you want.

Enter cmd,run "conda install scrapy"

Almost all dependent packages for scrapy are installed with one click. And then there's enjoy what convenience anaconda bring you.

After win, conda.exe finds the path where conda.exe is located, and after finding the directory, go to its upper directory C:\ ProgramData\ Anaconda3,C:\ ProgramData\ Anaconda3 directory Python.exe, and enter the interactive interface of Python3.6 on the command line type C:\ ProgramData\ Anaconda3\ python.exe.