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rake stats可以生成统计代码行数，类的个数，方法的个数等信息，今天我们看看怎样生成rake stats的饼状图。
1，安装ImageMagick
什么新立得包管理器装一下或者apt-get装一下或者下载binary包安装
2，安装RMagick
3，安装Gruff
4，写生成饼状stats图的controller
访问GraphController的stats方法即可。
但是页面会报错:
不管是Windows还是Linux下均报这个错，不知道怎么回事。
1，安装ImageMagick
什么新立得包管理器装一下或者apt-get装一下或者下载binary包安装
2，安装RMagick
sudo gem install rmagick
3，安装Gruff
sudo gem install gruff
4，写生成饼状stats图的controller
class GraphController < ApplicationController
require 'gruff'
STATS_DIRECTORIES = [
%w(Helpers app/helpers),
%w(Controllers app/controllers),
%w(APIs app/apis),
%w(Components components),
%w(Functional\ tests test/functional),
%w(Models app/models),
%w(Unit\ tests test/unit),
%w(Libraries lib/),
%w(Integration\ tests test/integration)
].collect { |name, dir|
[ name, "#{RAILS_ROOT}/#{dir}" ]
}.select { |name, dir|
File.directory?(dir)
}
def stats
code_stats = CodeStatistics.new(*STATS_DIRECTORIES)
statistics = code_stats.instance_variable_get(:@statistics)
g = Gruff::Pie.new(500)
g.font = "/Library/Fonts/Arial"
g.title = "Code Stats"
g.theme_37signals
g.legend_font_size = 10
0xFDD84E.step(0xFF0000, 1500) do |num|
g.colors << "#%x" % num
end
statistics.each do |key, values|
g.data(key, [values["codelines"]])
end
send_data(g.to_blob,
:disposition => ' inline' ,
:type => ' image/png' ,
:filename => "code_stats.png")
end
end
访问GraphController的stats方法即可。
但是页面会报错:
NameError in GraphController#stats
uninitialized constant GraphController::CodeStatistics
RAILS_ROOT: ./script/../config/..
Application Trace | Framework Trace | Full Trace
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:477:in `const_missing'
#{RAILS_ROOT}/app/controllers/graph_controller.rb:22:in `stats'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:477:in `const_missing'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/base.rb:1095:in `send'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/base.rb:1095:in `perform_action_without_filters'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/filters.rb:632:in `call_filter'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/filters.rb:619:in `perform_action_without_benchmark'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/benchmarking.rb:66:in `perform_action_without_rescue'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/1.8/benchmark.rb:293:in `measure'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/benchmarking.rb:66:in `perform_action_without_rescue'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/rescue.rb:83:in `perform_action'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/base.rb:430:in `send'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/base.rb:430:in `process_without_filters'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/filters.rb:624:in `process_without_session_management_support'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/session_management.rb:114:in `process'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/base.rb:330:in `process'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/rails-1.2.2/lib/dispatcher.rb:41:in `dispatch'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel/rails.rb:78:in `process'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/1.8/thread.rb:135:in `synchronize'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel/rails.rb:76:in `process'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel.rb:618:in `process_client'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel.rb:617:in `each'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel.rb:617:in `process_client'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel.rb:736:in `run'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel.rb:736:in `initialize'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel.rb:736:in `new'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel.rb:736:in `run'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel.rb:720:in `initialize'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel.rb:720:in `new'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel.rb:720:in `run'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel/configurator.rb:271:in `run'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel/configurator.rb:270:in `each'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel/configurator.rb:270:in `run'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/bin/mongrel_rails:127:in `run'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel/command.rb:211:in `run'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/bin/mongrel_rails:243
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:488:in `load'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:488:in `load'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:342:in `new_constants_in'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:488:in `load'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/rails-1.2.2/lib/commands/servers/mongrel.rb:60
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:495:in `require'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:342:in `new_constants_in'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:495:in `require'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/rails-1.2.2/lib/commands/server.rb:39
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'
script/server:3
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:477:in `const_missing'
#{RAILS_ROOT}/app/controllers/graph_controller.rb:22:in `stats'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/base.rb:1095:in `send'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/base.rb:1095:in `perform_action_without_filters'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/filters.rb:632:in `call_filter'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/filters.rb:619:in `perform_action_without_benchmark'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/benchmarking.rb:66:in `perform_action_without_rescue'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/1.8/benchmark.rb:293:in `measure'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/benchmarking.rb:66:in `perform_action_without_rescue'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/rescue.rb:83:in `perform_action'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/base.rb:430:in `send'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/base.rb:430:in `process_without_filters'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/filters.rb:624:in `process_without_session_management_support'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/session_management.rb:114:in `process'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/actionpack-1.13.2/lib/action_controller/base.rb:330:in `process'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/rails-1.2.2/lib/dispatcher.rb:41:in `dispatch'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel/rails.rb:78:in `process'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/1.8/thread.rb:135:in `synchronize'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel/rails.rb:76:in `process'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel.rb:618:in `process_client'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel.rb:617:in `each'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel.rb:617:in `process_client'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel.rb:736:in `run'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel.rb:736:in `initialize'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel.rb:736:in `new'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel.rb:736:in `run'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel.rb:720:in `initialize'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel.rb:720:in `new'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel.rb:720:in `run'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel/configurator.rb:271:in `run'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel/configurator.rb:270:in `each'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel/configurator.rb:270:in `run'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/bin/mongrel_rails:127:in `run'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/lib/mongrel/command.rb:211:in `run'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/mongrel-1.0.1-mswin32/bin/mongrel_rails:243
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:488:in `load'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:488:in `load'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:342:in `new_constants_in'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:488:in `load'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/rails-1.2.2/lib/commands/servers/mongrel.rb:60
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:495:in `require'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:342:in `new_constants_in'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/activesupport-1.4.1/lib/active_support/dependencies.rb:495:in `require'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/gems/1.8/gems/rails-1.2.2/lib/commands/server.rb:39
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `gem_original_require'
D:/InstantRails-1.6-win/InstantRails/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in `require'
script/server:3
Request
Parameters: None
Show session dump
---
flash: !map:ActionController::Flash::FlashHash {}
Response
Headers: {"cookie"=>[], "Cache-Control"=>"no-cache"}
不管是Windows还是Linux下均报这个错，不知道怎么回事。
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《Rails之道》详细讨论了Rails的程序代码并通过分析Rails中的代码片段来深入解释它的功能，同时，《Rails之道》部分章节也摘录了一些API文档中的内容，使读者能够快速地找到对应的API文档、相关的示例代码以及深入的...
Make Pretty Graphs**：介绍了一系列技巧，帮助开发者使用 Rails 创建美观的图表。 #### 小结 《Rails Recipes》是一本非常实用的指南，对于希望深入了解 Ruby on Rails 的开发者来说非常有价值。它不仅涵盖了...
Ruby on Rails，通常简称为Rails，是一个基于Ruby编程语言的开源Web应用框架，遵循MVC（Model-View-Controller）架构模式。这个“Rails项目源代码”是一个使用Rails构建的图片分享网站的完整源代码，它揭示了如何...
This pioneering book is the first resource that deep dives into the new Rails 3 APIs and shows you how use them to write better web applications and make your day-to-day work with Rails more ...
Rails 3.1 和 Cucumber-Rails 1.2.0 是两个在Web开发领域非常重要的工具，尤其对于Ruby on Rails框架的测试和自动化流程。本文将深入探讨这两个组件，以及它们如何协同工作来增强软件开发的效率和质量。 首先，...
MVC是Rails的核心架构之一，这一章节将详细介绍这三个组件的作用和相互关系。模型负责与数据库交互，管理数据；视图用于展示数据给用户；控制器则处理用户请求，协调模型和视图之间的操作。了解并正确运用MVC模式是...
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标题 "Rails" 指的是 Ruby on Rails，一个开源的Web应用程序框架，它基于Ruby编程语言，遵循MVC（模型-视图-控制器）架构模式。Rails由David Heinemeier Hansson在2004年创建，其设计理念是强调代码的简洁性、DRY...
在本项目"Ruby-Rails实战之B2C商城开发"中，我们将深入探索使用Ruby on Rails这一强大的Web开发框架来构建一个完整的B2C（Business-to-Consumer）在线商城。Rails是Ruby语言的一个核心框架，以其MVC（Model-View-...
Aptana是一款强大的集成开发环境（IDE），尤其适用于Rails项目的开发，它提供了丰富的特性来提升开发效率。本教程将详细介绍如何使用Aptana与Rails结合，创建一个功能完备的Web应用程序。 首先，我们需要安装Aptana...
Rails指南中文版是针对Ruby on Rails框架的一份详尽教程，旨在帮助开发者深入理解并熟练掌握这个强大的Web应用开发工具。Ruby on Rails（简称Rails）是一个基于Ruby语言的开源Web应用框架，它遵循MVC（Model-View-...
标题中的“Web开发敏捷之道--应用Rails进行敏捷Web开发 之 Depot代码”表明这是一个关于使用Ruby on Rails框架进行敏捷Web开发的示例项目，名为Depot。Ruby on Rails（简称Rails）是一个开源的Web应用程序框架，它...
### Ruby on Rails Guides v2 - Ruby on Rails 4.2.5 #### 一、重要概念及基础假设 - **重要概念**：本指南旨在帮助读者深入理解Ruby on Rails（以下简称Rails）4.2.5版本的核心功能与最佳实践。 - **基础假设**：...
本压缩包中的"web开发之rails最新调试通过购物车代码"是关于使用Rails进行Web应用开发的一个实例，特别是针对购物车功能的实现。 购物车是电商网站的核心部分，它允许用户选择商品并保存这些选择以便后续购买。在...
Rails 作为 Ruby 的主要应用框架之一，两者密切相关。 在压缩包的文件名称列表中，只有一个条目 "rails"，这可能意味着压缩包内包含了 Rails 框架的核心文件，如 gemspec 文件、库文件、初始化脚本等。开发者可以...
Rails Recipes是一本针对Ruby on Rails框架的实用书籍，它收集了一系列高效解决问题的技巧和方法，也被称为“Rails开发者的宝典”。作者们通过分享自己的经验和见解，为Rails程序员提供了一本既有实际操作指导又有...