rails 命令用法

rake db:migrate RAILS_ENV=development 

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: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  

实用：

rake -T #列出所有rake命令

rake -T plugin #列出所有有关plugin的rake命令

rake db:migrate version=0 #清除数据库数据和结构 

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