rails 命令用法

1.1 创建一个Rails应用程序  
$ rails app_name  
可选项:  
-d, database=xxx 指定安装一个数据库(mysql oracle postgresql sqlite2 sqlite3 ), 默认情况下是数据库  
-r, ruby-path= 指定Ruby的安装路径,如果没有指定，scripts使用env去找Ruby  
-f, freeze (冻结)freezes Rails在vendor/rails目录  
   
1.2 API Documentation  
$ gem_server  
启动一个WEBrick服务器。这时候你可以通过Http://localhost:8808/ 打开浏览器去查看rails API文档  
   
1.3 Rake  
rake db:fixtures:load  
  # 载入fixtures到当前环境的数据库  
  # 载入指定的fixtures使用FIXTURES=x,y  
rake db:migrate  
# 迁移数据库通过在db/migrate目录下的脚本.可以指定版本号通过VERSION=x  
rake db:schema:dump  
# 创建一个db/schema.rb文件，通过AR能过够支持任何数据库去使用  
rake db:schema:load  
# 再入一个schema.rb文件进数据库  
rake db:sessions:clear  
# 清空sessions表  
rake db:sessions:create  
# 用CGI::Session::ActiveRecordStore创建一个sessions表为用户  
rake db:structure:dump  
# 导出数据库结构为一个SQL文件  
rake db:test:clone  
# 重新创建一个测试数据库从当前环境数据库中  
rake db:test:clone_structure  
# 重新创建测试数据库从开发模式数据库  
rake db:test:prepare  
# 准备测试数据库并在入schema  
rake db:test:purge  
# 清空测试数据库  
rake doc:app  
# 创建HTML文件的API Documentation  
rake doc:clobber_app  
# 删除Documentation  
rake doc:clobber_plugins  
# 删除 plugin Documentation  
rake doc:clobber_rails  
# 删除Documentation  
rake doc:plugins  
# 产生Documation为所有安装的plugins  
rake doc:rails  
# 创建HTML文件的API Documentation  
rake doc:reapp  
# 强制重新创建HTML文件的API Documentation  
rake doc:rerails  
# 强制重新创建HTML文件的API Documentation  
rake log:clear  
# 清空目录log/下的所有日志文件  
rake rails:freeze:edge  
# Lock this application to latest Edge Rails. Lock a specific revision with REVISION=X  
rake rails:freeze:gems  
# Lock this application to the current gems (by unpacking them into vendor/rails)  
rake rails:unfreeze  
# Unlock this application from freeze of gems or edge and return to a fluid use of system gems  
rake rails:update  
# Update both scripts and public/javascripts from Rails  
rake rails:update:javascripts  
# Update your javascripts from your current rails install  
rake rails:update:scripts  
# Add new scripts to the application script/ directory  
rake stats  
# Report code statistics (KLOCs, etc) from the application  
rake test  
# Test all units and functionals  
rake test:functionals  
  # Run tests for functionalsdb:test:prepare  
rake test:integration  
# Run tests for integrationdb:test:prepare  
rake test:plugins  
# Run tests for pluginsenvironment  
rake test:recent  
# Run tests for recentdb:test:prepare  
rake test:uncommitted  
# Run tests for uncommitteddb:test:prepare  
rake test:units  
# Run tests for unitsdb:test:prepare  
rake tmp:cache:clear  
# 清空tmp/cache目录下的所有文件  
rake tmp:clear  
# 清空session, cache, 和socket文件从tmp/目录  
rake tmp:create  
# 为sessions, cache, and sockets创建tmp/目录  
rake tmp:sessions:clear  
# 清空所有在tmp/sessions目录下的文件  
rake tmp:sockets:clear  
# 清空所有在tmp/sessions 目录下的ruby_sess.* 文件  
   
1.4 Scripts  
script/about  
# 输出当前环境信息  
script/breakpointer  
# 启动断点server  
script/console  
# 启动交换式的Rails控制台  
script/destroy  
# 删除通过generators创建的文件  
script/generate  
# -> generators  
script/plugin  
# -> Plugins  
script/runner  
# 执行一个任务在rails上下文中  
script/server  
# 启动开发模式服务器http://localhost:3000  
//以下几个不知道怎么去使用  
script/performance/profiler  
script/performance/benchmarker  
script/process/reaper  
script/process/spawner  
   
1.5 Generators  
ruby script/generate model ModelName  
ruby script/generate controller ListController show edit  
ruby script/generate scaffold ModelName ControllerName  
ruby script/generate migration AddNewTable  
ruby script/generate plugin PluginName  
ruby script/generate mailer Notification lost_password signup  
ruby script/generate web_service ServiceName api_one api_two  
ruby script/generate integration_test TestName  
ruby script/generate session_migration  
可选项:  
-p, --pretend Run but do not make any changes.  
-f, --force Overwrite files that already exist.  
-s, --skip Skip files that already exist.  
-q, --quiet Suppress normal output.  
-t, --backtrace Debugging: show backtrace on errors.  
-h, --help Show this help message.  
-c, --svn Modify files with subversion. (Note: svn must be in path)   
   
1.6 Plugins  
script/plugin discover  
# discover plugin repositories  
script/plugin list  
# list all available plugins  
script/plugin install where  
# install the a€wherea€? plugin  
script/plugin install -x where  
# install where plugin as SVN external  
script/plugin install http://invisible.ch/projects/plugins/where  
script/plugin update  
# update installed plugins  
script/plugin source  
# add a source repository  
script/plugin unsource  
# removes a source repository  
script/plugin sources  
# lists source repositories