JRuby安装手册

JRuby安装手册

安装手册是自己总结出来的，希望对大家有帮助
1.下载JRuby-1.0
2.解压到/usr/local/jruby-1.0
3.vi /etc/profile 插入
  ---
  export JRUBY_HOME=/usr/local/jruby-1.0
  export PATH=/usr/local/jruby-1.0/bin:$PATH
  source /etc/profile
  ----------
4.安装rails:jruby --command gem install rails -r -y --no-ri --no-rdoc
  如果没有响应，使用:jruby --command gem install rails，一步一步来。
  ---
  jruby --command gem install rails
  Install required dependency activesupport? [Yn]  y
  Install required dependency activerecord? [Yn]  y
  Install required dependency actionpack? [Yn]  y
  Install required dependency actionmailer? [Yn]  y
  Install required dependency actionwebservice? [Yn]  y
  Successfully installed rails-1.2.3
  -----------
5.安装rails数据库接口ActiveRecord-JDBC:
  ----
  jruby --command gem install ActiveRecord-JDBC
  Successfully installed ActiveRecord-JDBC-0.4
  Installing ri documentation for ActiveRecord-JDBC-0.4...
  Installing RDoc documentation for ActiveRecord-JDBC-0.4...
  ---------
6.将JRUBY_HOME/bin下面的gem,rake,rails等文件改名为jgem,jrake,jrails防止命令冲突
7.安装JAVA语言MySQL数据库接口软件包
  其实这里只要把mysql-connector-java-3.1.14-bin.jar代码包放到JRUBY_HOME/lib下就好了
  ---
  export CLASSPATH=$JRUBY_HOME/lib/mysql-connector-java-3.1.14-bin.jar:$CLASSPATH
  source /etc/profile
  --------
8.修改rails项目中的数据库配置文件 database.yml
  ---
  adapter: jdbc
  driver: com.mysql.jdbc.Driver
  url: jdbc:mysql://127.0.0.1:3306/wap #wap为数据库名
  username: root
  password:
  -------
9.修改rails config目录下的environment.rb，插入
  ---
  RAILS_CONNECTION_ADAPTERS = 'jdbc'
  --------
10.大功告成！
  ---
  http://127.0.0.1:3000/
  ---------
  出现rails欢迎界面！

windows下安装的步骤也是一样的，在环境变量里修改CLASSPATH和PATH
下面是环境变量的配置：
------linux------
export JAVA_HOME=/usr/java/j2sdk1.4.2_07
export JRUBY_HOME=/usr/local/jruby-1.0
export CLASSPATH=.:$JAVA_HOME/lib/dt.jar:$JAVA_HOME/lib/tools.jar:$JRUBY_HOME/lib/mysql-connector-java-3.1.14-bin.jar
export PATH=$PATH:$JAVA_HOME/bin
export PATH=/usr/local/ruby/bin:$PATH
export PATH=/usr/local/jruby-1.0/bin:$PATH
-------------
-----windows--------
JAVA_HOME=c:\j2sdk1.4.2_07
JRUBY_HOME=c:\jruby-1.0
CLASSPATH=.;%JAVA_HOME%\lib\dt.jar;%JAVA_HOME%\lib\tools.jar;%JRUBY_HOME%\lib\mysql-connector-java-3.1.14-bin.jar
PATH=%JAVA_HOME%\bin;%RUBY_HOME%\bin;%JRUBY_HOME%\bin
----------------


经过实践，环境变量中只需要配置PATH，加入JAVA_HOME即可运行，以上环境变量配置是本人的配置。