1. 先安装vc，一般系统都会装可以先尝试下一步，若不行在进行这一步
2.将dll 下面的dll 文件拷贝到下面目录，windows server 系统缺少动态库
C:\Users\Administrator\AppData\Local\Programs\Python\Python36\lib\site-packages\cv2
dll.zip （13个子文件） 
dll 
evr.dll 616KB api-ms-win-downlevel-shlwapi-l1-1-0.dll 6KB wmdrmsdk.dll 763KB mf.dll 3.93MB vcredist合集 
vcredist_x64_2005.exe 4.08MB vcredist_x64_2012.exe 6.83MB vc_redist.x64_2015.exe 13.9MB vcredist_x64-2008.exe 2.28MB vcredist_x64_2010.exe 9.8MB mfreadwrite.dll 251KB
先读我.txt 271B IEShims.dll 196KB mfplat.dll 421KB资源评论
