安装rbenv rbenv 用来管理多个版本的 ruby 在用户目录的安装和使用。
1 2 3 git clone git://github.com/sstephenson/rbenv.git ~/.rbenv git clone git://github.com/AndorChen/rbenv-china-mirror.git ~/.rbenv/plugins/rbenv-china-mirror vim ~/.zshrc
添加1 2 export PATH="$HOME /.rbenv/bin:$PATH " eval "$(rbenv init -) "
1 2 ➜ ~ rbenv -v rbenv 1.1.1
使用rbenv安装ruby 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 ➜ ~ rbenv versions system 2.2.1 * 2.2.2 (set by /Users/suse/.rbenv/version) ➜ ~ rbenv version 2.2.2 (set by /Users/suse/.rbenv/version) ➜ ~ rbenv global system ➜ ~ rbenv versions * system (set by /Users/suse/.rbenv/version) 2.2.1 2.2.2 ➜ ~ rbenv version system (set by /Users/suse/.rbenv/version) ➜ ~ rbenv install -l|--list ➜ ~ rbenv install 2.4.2 ➜ ~ rbenv versions * system (set by /Users/suse/.rbenv/version) 2.2.1 2.2.2 2.4.2 ➜ ~ rbenv global 2.4.2 ➜ ~ ruby -v ruby 2.4.2p198 (2017-09-14 revision 59899) [x86_64-darwin16]
使用实例
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 def puts_two (*args) arg1, arg2 = args puts "arg1: #{arg1} , arg2: #{arg2} " end def puts_two_again (arg1, arg2) puts "arg1: #{arg1} , arg2: #{arg2} " end def puts_one (arg1) puts "arg1: #{arg1} " end def puts_none () puts "I got nothin'." end puts_two("Da" ,"Wang" ) puts_two_again("Da" ,"Wang" ) puts_one("First!" ) puts_none()
1 2 3 4 ➜ ruby ruby ruby1.rb arg1: Da, arg2: Wang arg1: Da, arg2: Wang arg1: First!
gem gem 是 Ruby 模块 (叫做 Gems) 的包管理器。其包含包信息,以及用于安装的文件。 gem通常是依照”.gemspec”文件构建的,包含了有关Gem信息的YAML文件。Ruby代码也可以直接建立Gem,这种情况下通常利用Rake来进行。
配置gem源 1 2 3 4 5 6 7 8 9 10 ➜ ~ gem sources -l *** CURRENT SOURCES *** https://rubygems.org/ ➜ ~ gem sources --remove https://rubygems.org/ ➜ ~ gem sources -a https://gems.ruby-china.org ➜ ~ gem sources -l *** CURRENT SOURCES *** https://gems.ruby-china.org
使用gem 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 ➜ ~ gem list --local *** LOCAL GEMS *** bigdecimal (default: 1.3.0) did_you_mean (1.1.0) io-console (default: 0.4.6) json (default: 2.0.4) minitest (5.10.1) net-telnet (0.1.1) openssl (default: 2.0.5) power_assert (0.4.1) psych (default: 2.2.2) rake (12.0.0) rdoc (default: 5.0.0) test -unit (3.2.3)xmlrpc (0.2.1) ➜ ~ gem list --remote ➜ ~ gem install sass ➜ ~ gem uninstall sass ➜ ~ gem search compass ➜ ~ cd Workspace/ruby ➜ ruby ls ➜ ruby gem fetch compass Fetching: compass-1.0.3.gem (100%) Downloaded compass-1.0.3 ➜ ruby ls compass-1.0.3.gem
常用网站 官网: http://www.ruby-lang.org/en/ ruby-china: https://ruby-china.org/ gem: https://rubygems.org/ ruby-china gems镜像: https://gems.ruby-china.org/ ralis: http://rubyonrails.org/