Created
July 27, 2012 02:49
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Rails mete info on template (seo setting) base on BBTangCMS
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| <!DOCTYPE html> | |
| <html lang="zh-CN"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <meta name="viewport" content="width=device-width, initial-scale=1.0"> | |
| <!--%= yield(:title)%--> | |
| <!--%= yield(:description)%--><!--%= yield(:keywords)%--> | |
| <%= render_page_title %> | |
| <%= raw("<meta name='keywords' content='#{@meta_keywords}' />") if @meta_keywords.present? %> | |
| <%= raw("<meta name='description' content='#{@meta_description}' />") if @meta_description.present? %> | |
| ..... |
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| # encoding: utf-8 | |
| class ApplicationController < ActionController::Base | |
| before_filter :set_seo_meta | |
| def set_seo_meta(title = '',meta_keywords = '', meta_description = '') | |
| g_obj = guessed_object | |
| if g_obj.present? | |
| [:title, :name, :nickname].each do |col| | |
| @page_title = g_obj.send col if g_obj.respond_to? col | |
| end | |
| @meta_keywords = g_obj.tag_list.join(",") if g_obj.respond_to? :tag_list | |
| @meta_description = g_obj.summary if g_obj.respond_to? :summary | |
| @meta_description = g_obj.description if g_obj.respond_to? :description | |
| end | |
| if title.present? | |
| @page_title = "#{title}" | |
| end | |
| @meta_keywords = meta_keywords if meta_keywords.present? | |
| @meta_description = meta_description if meta_description.present? | |
| end | |
| def guessed_object | |
| @model_class = params[:controller].classify.constantize if params[:controller].classify.class_exists? | |
| @model_class = params[:controller].gsub(/\w+([\/]+)/,"").classify.constantize if params[:controller].gsub(/\w+([\/]+)/,"").classify.class_exists? | |
| if @model_class.present? | |
| @model_class.where(id: params[:id]).first if params[:id].present? | |
| #guessed_instance_variable_name = "@#{@model_class.name.singularize.downcase}" | |
| #if self.instance_variable_defined? guessed_instance_variable_name | |
| # self.instance_variable_get guessed_instance_variable_name | |
| #end | |
| end | |
| end | |
| end |
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| # encoding: utf-8 | |
| module ApplicationHelper | |
| def render_page_title() | |
| default_title = "#{breadcrumbs.items.collect{|item| item.first}.join('--')} | #{Setting.app_name}" | |
| if @page_title.present? | |
| @page_title ="#{@page_title}@" + default_title | |
| else | |
| @page_title = default_title | |
| end | |
| content_tag("title", @page_title, nil, false) | |
| end | |
| #set the title for the page | |
| def title(page_title) | |
| content_for(:title) do | |
| raw "<title>#{page_title} - #{Setting.app_name}</title>" | |
| end | |
| end | |
| #set the description for the page | |
| def description(page_description) | |
| content_for(:description) do | |
| raw "<meta name=\"description\" content=\"#{page_description}\" />\n" | |
| end | |
| end | |
| #set the keywords for the page | |
| def keywords(page_keywords) | |
| content_for(:keywords) do | |
| raw "<meta name=\"keywords\" content=\"#{page_keywords}\" />\n" | |
| end | |
| end | |
| end |
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