一、网址:https://www.lfd.uci.edu/~gohlke/pythonlibs/
往下面找到
VTK-8.1.1-cp37-cp37m-win_amd64.whl
mayavi-4.6.2+vtk81-cp37-cp37m-win_amd64.whl
numpy-1.15.2+mkl-cp37-cp37m-win_amd64.whl
PyQt4-4.11.4-cp37-cp37m-win_amd64.whl
traits-4.6.0-cp37-cp37m-win_amd64.whl
(我的Python是3.7,64位的)
二、在cmd命令行下输入:pip install 文件名
安装成功会有反馈