Microsoft Visual C++ 14.0 is required.

error: Microsoft Visual C++ 14.0 is required. Get it with "Microsoft Visual C++ Build Tools": http://landinghub.visualstudio.com/visual-cpp-build-tools

1.首先打开https://www.lfd.uci.edu/~gohlke/pythonlibs/#twisted，找到对应版本的Twisted并下载到你的文件夹。此例为Twisted‑17.9.0‑cp36‑cp36m‑win_amd64.whl

2.利用pip install命令安装指定存储路径下的whl文件。此例如图所示

pip install D:\搜狗高速下载\Twisted-18.9.0-cp35-cp35m-win_amd64.whl