我的工作伙伴:
- Rails 版本 4.2.3
- Ruby 版本 2.2.1
我已成功在生产中运行我的应用程序,执行以下步骤:
rake db:create RAILS_ENV=product
rake db:migrate RAILS_ENV=生产
rake asset:precompile
和rake asset:precompile RAILS_ENV=product
我的 application.js
和 application.css
文件遇到了一些问题,因为所有 require 的顺序都不正确。我必须将 require_tree
放在底部,将 require jquery
放在顶部,紧接着是 require jquery_ujs
。
现在我的文件如下:
application.js
文件:
//= require jquery
//= require jquery_ujs
//= require bootstrap
//= require dataTables/jquery.dataTables
//= require dataTables/extras/dataTables.tableTools
//= require_tree .
application.css
文件:
/*
*= require_self
*= require bootstrap
*= require dataTables/jquery.dataTables
*= require_tree .
*/
生产.rb
文件:
Rails.application.configure do
# Force all access to the app over SSL, use Strict-Transport-Security,
# and use secure cookies.
config.force_ssl = false
# Settings specified here will take precedence over those in config/application.rb.
# Code is not reloaded between requests.
config.cache_classes = true
# Eager load code on boot. This eager loads most of Rails and
# your application in memory, allowing both threaded web servers
# and those relying on copy on write to perform better.
# Rake tasks automatically ignore this option for performance.
config.eager_load = true
# Full error reports are disabled and caching is turned on.
config.consider_all_requests_local = false
config.action_controller.perform_caching = true
# Enable Rack::Cache to put a simple HTTP cache in front of your application
# Add `rack-cache` to your Gemfile before enabling this.
# For large-scale production use, consider using a caching reverse proxy like
# NGINX, varnish or squid.
# config.action_dispatch.rack_cache = true
# Disable serving static files from the `/public` folder by default since
# Apache or NGINX already handles this.
config.serve_static_files = ENV['RAILS_SERVE_STATIC_FILES'].present?
# Compress JavaScripts and CSS.
config.assets.js_compressor = :uglifier
# config.assets.css_compressor = :sass
# Do not fallback to assets pipeline if a precompiled asset is missed.
config.assets.compile = true
# Asset digests allow you to set far-future HTTP expiration dates on all assets,
# yet still be able to expire them through the digest params.
config.assets.digest = true
# `config.assets.precompile` and `config.assets.version` have moved to config/initializers/assets.rb
# Specifies the header that your server uses for sending files.
# config.action_dispatch.x_sendfile_header = 'X-Sendfile' # for Apache
# config.action_dispatch.x_sendfile_header = 'X-Accel-Redirect' # for NGINX
# Force all access to the app over SSL, use Strict-Transport-Security, and use secure cookies.
# config.force_ssl = true
# Use the lowest log level to ensure availability of diagnostic information
# when problems arise.
config.log_level = :debug
# Prepend all log lines with the following tags.
# config.log_tags = [ :subdomain, :uuid ]
# Use a different logger for distributed setups.
# config.logger = ActiveSupport::TaggedLogging.new(SyslogLogger.new)
# Use a different cache store in production.
# config.cache_store = :mem_cache_store
# Enable serving of images, stylesheets, and JavaScripts from an asset server.
# config.action_controller.asset_host = 'http://assets.example.com'
# Ignore bad email addresses and do not raise email delivery errors.
# Set this to true and configure the email server for immediate delivery to raise delivery errors.
# config.action_mailer.raise_delivery_errors = false
# Enable locale fallbacks for I18n (makes lookups for any locale fall back to
# the I18n.default_locale when a translation cannot be found).
config.i18n.fallbacks = true
# Send deprecation notices to registered listeners.
config.active_support.deprecation = :notify
# Use default logging formatter so that PID and timestamp are not suppressed.
config.log_formatter = ::Logger::Formatter.new
# Do not dump schema after migrations.
config.active_record.dump_schema_after_migration = false
end
development.rb
文件:
Rails.application.configure do
# Settings specified here will take precedence over those in config/application.rb.
# In the development environment your application's code is reloaded on
# every request. This slows down response time but is perfect for development
# since you don't have to restart the web server when you make code changes.
config.cache_classes = false
# Do not eager load code on boot.
config.eager_load = false
# Show full error reports and disable caching.
config.consider_all_requests_local = true
config.action_controller.perform_caching = false
# Don't care if the mailer can't send.
config.action_mailer.raise_delivery_errors = false
# Print deprecation notices to the Rails logger.
config.active_support.deprecation = :log
# Raise an error on page load if there are pending migrations.
config.active_record.migration_error = :page_load
# Debug mode disables concatenation and preprocessing of assets.
# This option may cause significant delays in view rendering with a large
# number of complex assets.
config.assets.debug = true
# Asset digests allow you to set far-future HTTP expiration dates on all assets,
# yet still be able to expire them through the digest params.
config.assets.digest = true
# Do not compress assets
# config.assets.compress = false
# Adds additional error checking when serving assets at runtime.
# Checks for improperly declared sprockets dependencies.
# Raises helpful error messages.
config.assets.raise_runtime_errors = true
# Raises error for missing translations
# config.action_view.raise_on_missing_translations = true
end
但是我编写的所有 JavaScript 都无法在生产环境中运行。我查看了我的浏览器控制台,我的 javascript 已加载,当我右键单击“检查元素”时,我可以在 DOM 中看到它。
那么为什么我的 JavaScript 在开发中可以工作,但在生产中却不能工作?
我尝试了几种选择:
- 第一次尝试:我添加行
config.assets.precompile += %w( *.css *.js)
- 第二次尝试:
config.assets.precompile += %w( *.css *scss *.js)
第三次尝试:我发现在
config/initializers/assets.rb
中有一行代码与我在第一次和第二次尝试中尝试的代码非常相似,因此我启用了这一行config/initializers/assets.rb
中的代码:Rails.application.config.assets.precompile += %w( search.js )
但我仍然什么也没有。第四次尝试:我在另一篇文章中读到 post在 Stackoverflow 上,在我的 GemFile
jquery-ui-rails
中删除可以工作,但我仍然没有 javascript
这是我的 GemFile:
source 'https://rubygems.org'
# Bundle edge Rails instead: gem 'rails', github: 'rails/rails'
gem 'rails', '4.2.3'
#To have charts on rails
gem 'chartkick'
#Turn into pdf
gem 'pdfkit'
#To read, write spreadsheets
gem 'spreadsheet', '~> 1.0.3'
#To import CSV file and spreadsheets
gem 'roo', '~> 2.1.0'
#To improve tables style
gem 'jquery-datatables-rails', '~> 3.3.0'
gem 'jquery-ui-rails'
#Pour qu'il fonctionne, le gem bcrypt doit être utilisé sous sa version 3.1.9
gem 'bcrypt', '~>3.1.7'
gem 'bootstrap-sass', '3.2.0.0'
# Use mysql as the database for Active Record
gem 'mysql2'
# Use SCSS for stylesheets
gem 'sass-rails', '~> 5.0'
# Use Uglifier as compressor for JavaScript assets
gem 'uglifier', '>= 1.3.0'
# Use CoffeeScript for .coffee assets and views
gem 'coffee-rails', '~> 4.1.0'
# See https://github.com/rails/execjs#readme for more supported runtimes
# gem 'therubyracer', platforms: :ruby
# Use jquery as the JavaScript library
gem 'jquery-rails'
# Turbolinks makes following links in your web application faster. Read more: https://github.com/rails/turbolinks
#gem 'turbolinks'
# Build JSON APIs with ease. Read more: https://github.com/rails/jbuilder
gem 'jbuilder', '~> 2.0'
# bundle exec rake doc:rails generates the API under doc/api.
gem 'sdoc', '~> 0.4.0', group: :doc
# Use ActiveModel has_secure_password
# gem 'bcrypt', '~> 3.1.7'
# Use Unicorn as the app server
# gem 'unicorn'
# Use Capistrano for deployment
# gem 'capistrano-rails', group: :development
group :development, :test do
# Call 'byebug' anywhere in the code to stop execution and get a debugger console
gem 'byebug'
# Access an IRB console on exception pages or by using <%= console %> in views
gem 'web-console', '~> 2.0'
end
# Windows does not include zoneinfo files, so bundle the tzinfo-data gem
gem 'tzinfo-data', platforms: [:mingw, :mswin, :x64_mingw, :jruby]
有人知道发生了什么吗?为什么我的 javascript 在生产中无法运行,但在开发中运行良好?
最佳答案
在生产模式下,它应该由 Web 服务器(Apache、Nginx)提供服务并且可以工作。在修复之前,您可以加载生产中的所有文件,而不是加载压缩的单个 application.js 和 application.css 文件。为此,在 production.rb 文件中禁用配置变量。像下面这样
config.serve_static_assets = false
关于javascript - Rails 4 - 在生产中,我的 javascript 已加载,但在开发中运行良好时无法运行,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/32502472/