1.下载 openssl 1.1 (https://slproweb.com/products/Win32OpenSSL.html)
2.openssl genrsa -des3 -out https_openssl.key 1024
3.openssl req -config "C:\Program Files\OpenSSL-Win64\bin\cnf\openssl.cnf" -new -key https_openssl.key -out https_openssl.csr
4.openssl rsa -in https_openssl.key -out https_openssl.nopws.key
5.openssl x509 -trustout -req -days 365 -in https_openssl.csr -signkey https_openssl.nopws.key -out https_openssl.crt