Ruby 已安装
ruby -v
ruby 2.3.4p301 (2017-03-30 revision 58214) [x86_64-darwin18]
并尝试运行命令
> sudo gem install rails
Error loading RubyGems plugin "/Users/myname/.rvm/rubies/ruby-2.3.4/lib/ruby/gems/2.3.0/gems/executable-hooks-1.6.0/lib/rubygems_plugin.rb": dlopen(/Users/myname/.rvm/rubies/ruby-2.3.4/lib/ruby/2.3.0/x86_64-darwin18/openssl.bundle, 9): Library not loaded: /usr/local/opt/openssl/lib/libssl.1.0.0.dylib
Referenced from: /Users/myname/.rvm/rubies/ruby-2.3.4/lib/ruby/2.3.0/x86_64-darwin18/openssl.bundle
Reason: image not found - /Users/myname/.rvm/rubies/ruby-2.3.4/lib/ruby/2.3.0/x86_64-darwin18/openssl.bundle (LoadError)
Error loading RubyGems plugin "/Users/myname/.rvm/rubies/ruby-2.3.4/lib/ruby/gems/2.3.0/gems/gem-wrappers-1.4.0/lib/rubygems_plugin.rb": dlopen(/Users/myname/.rvm/rubies/ruby-2.3.4/lib/ruby/2.3.0/x86_64-darwin18/openssl.bundle, 9): Library not loaded: /usr/local/opt/openssl/lib/libssl.1.0.0.dylib
Referenced from: /Users/myname/.rvm/rubies/ruby-2.3.4/lib/ruby/2.3.0/x86_64-darwin18/openssl.bundle
Reason: image not found - /Users/myname/.rvm/rubies/ruby-2.3.4/lib/ruby/2.3.0/x86_64-darwin18/openssl.bundle (LoadError)
ERROR: Loading command: install (LoadError)
dlopen(/Users/myname/.rvm/rubies/ruby-2.3.4/lib/ruby/2.3.0/x86_64-darwin18/openssl.bundle, 9): Library not loaded: /usr/local/opt/openssl/lib/libssl.1.0.0.dylib
Referenced from: /Users/myname/.rvm/rubies/ruby-2.3.4/lib/ruby/2.3.0/x86_64-darwin18/openssl.bundle
Reason: image not found - /Users/myname/.rvm/rubies/ruby-2.3.4/lib/ruby/2.3.0/x86_64-darwin18/openssl.bundle
ERROR: While executing gem ... (NoMethodError)
undefined method `invoke_with_build_args' for nil:NilClass