ruby-on-rails-4 – rails 4 image_tag没有链接到我消化的图像资源

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在rails 4中,我的image_tag(“assets / logo.png”)没有链接到具有摘要文件,资源也被预先编译在公共/ assets / *

我的production.rb:

  1. Books::Application.configure do
  2.  
  3. # Settings specified here will take precedence over those in config/application.rb.
  4.  
  5. # Code is not reloaded between requests.
  6. config.cache_classes = true
  7.  
  8. # Eager load code on boot. This eager loads most of Rails and
  9. # your application in memory,allowing both thread web servers
  10. # and those relying on copy on write to perform better.
  11. # Rake tasks automatically ignore this option for performance.
  12. config.eager_load = true
  13.  
  14. # Full error reports are disabled and caching is turned on.
  15. config.consider_all_requests_local = false
  16. config.action_controller.perform_caching = true
  17.  
  18. # Enable Rack::Cache to put a simple HTTP cache in front of your application
  19. # Add `rack-cache` to your Gemfile before enabling this.
  20. # For large-scale production use,consider using a caching reverse proxy like Nginx,varnish or squid.
  21. # config.action_dispatch.rack_cache = true
  22.  
  23. # Disable Rails's static asset server (Apache or Nginx will already do this).
  24. config.serve_static_assets = false
  25.  
  26. # Compress JavaScripts and CSS.
  27. config.assets.js_compressor = :uglifier
  28. config.assets.css_compressor = :sass
  29.  
  30. # Do not fallback to assets pipeline if a precompiled asset is missed.
  31. config.assets.compile = false
  32.  
  33. # Generate digests for assets URLs.
  34. config.assets.digest = true
  35.  
  36. # Version of your assets,change this if you want to expire all your assets.
  37. config.assets.version = '1.0'
  38.  
  39. # Specifies the header that your server uses for sending files.
  40. # config.action_dispatch.x_sendfile_header = "X-Sendfile" # for apache
  41. config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for Nginx
  42.  
  43. # Force all access to the app over SSL,use Strict-Transport-Security,and use secure cookies.
  44. # config.force_ssl = true
  45.  
  46. # Set to :debug to see everything in the log.
  47. config.log_level = :debug
  48.  
  49. # Prepend all log lines with the following tags.
  50. # config.log_tags = [ :subdomain,:uuid ]
  51.  
  52. # Use a different logger for distributed setups.
  53. # config.logger = ActiveSupport::TaggedLogging.new(SyslogLogger.new)
  54.  
  55. # Use a different cache store in production.
  56. # config.cache_store = :mem_cache_store
  57.  
  58. # Enable serving of images,stylesheets,and JavaScripts from an asset server.
  59. # config.action_controller.asset_host = "http://assets.example.com"
  60.  
  61. # Precompile additional assets.
  62. # application.js,application.css,and all non-JS/CSS in app/assets folder are already added.
  63. # config.assets.precompile += %w( search.js )
  64. config.assets.precompile += [/^[a-z0-9]\w+.(css|js)$/]
  65.  
  66. # Ignore bad email addresses and do not raise email delivery errors.
  67. # Set this to true and configure the email server for immediate delivery to raise delivery errors.
  68. # config.action_mailer.raise_delivery_errors = false
  69.  
  70. # Enable locale fallbacks for I18n (makes lookups for any locale fall back to
  71. # the I18n.default_locale when a translation can not be found).
  72. config.i18n.fallbacks = true
  73.  
  74. # Send deprecation notices to registered listeners.
  75. config.active_support.deprecation = :notify
  76.  
  77. # Disable automatic flushing of the log to improve performance.
  78. # config.autoflush_log = false
  79.  
  80. # Use default logging formatter so that PID and timestamp are not suppressed.
  81. config.log_formatter = ::Logger::Formatter.new
  82.  
  83. end

我花了2个小时试图彻底解决这个问题,为什么这不行?

解决方法

我刚刚绊倒了这个问题,解决方案很简单: 删除输入路径的“/ assets”部分. 当使用image_tag时,Rails知道在哪里查看. 确保将图像文件放在/ assets / images中.

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