fix bug

Gemfile

@@ -39,6 +39,8 @@ gem 'pdfkit'
 gem 'wkhtmltopdf-binary'
 
 #gem 'iconv'
+# markdown 转html
+gem 'redcarpet', '~> 3.4'
 
 gem 'rqrcode', '~> 0.10.1'
 gem 'rqrcode_png'

Gemfile.lock

@@ -193,6 +193,7 @@ GEM
     rb-inotify (0.9.10)
       ffi (>= 0.5.0, < 2)
     rchardet (1.8.0)
+    redcarpet (3.4.0)
     redis (4.1.0)
     redis-actionpack (5.0.2)
       actionpack (>= 4.0, < 6)
@@ -328,6 +329,7 @@ DEPENDENCIES
   rails (~> 5.2.0)
   rails-i18n (~> 5.1)
   rchardet (~> 1.8)
+  redcarpet (~> 3.4)
   redis-rails
   roo-xls
   rqrcode (~> 0.10.1)

app/helpers/application_helper.rb

@@ -334,6 +334,18 @@ module ApplicationHelper
     raw arr.join('')
   end
 
+  def to_markdown(text)
+    nil if text.blank?
+    html_render_options = {
+        fenced_code_blocks: true,
+        tables: true,
+        autolink: true
+    }
+
+    markdown = Redcarpet::Markdown.new(html_render_options)
+    raw markdown.render(h(text)).html_safe
+  end
+
 end
 
 

app/templates/exercise_export/blank_exercise.html.erb

@@ -57,7 +57,7 @@
       </div>
     </div>
     <div class="mbt10">
-      <% @exercise_questions.each_with_index do |q,index| %>
+      <% @exercise_questions.each do |q| %>
         <div class="bdc">
           <div class="pbt10">
             <div class="pbt5">
@@ -68,27 +68,17 @@
               <span class="text-gray mlr5">(<%= q&.question_score %>分)</span>
             </div>
             <div class="pbt5">
-              <% q_title = q.question_title&.include?("src=\"") ? q.question_title&.gsub("src=\"","src=\"#{@request_url}")&.html_safe : q.question_title&.html_safe %>
+              <% q_markdown = to_markdown(q.question_title) %>
+              <% q_title = q_markdown&.include?("src=\"") ? q_markdown&.gsub("src=\"","src=\"#{@request_url}")&.html_safe : q_markdown %>
               <% if q.question_type == 5 %>
-                <% q_name = q.shixun_name&.include?("src=\"") ? q.shixun_name&.gsub("src=\"","src=\"#{@request_url}")&.html_safe : q.shixun_name&.html_safe %>
+                <% q_markdown_name = to_markdown(q.shixun_name) %>
+                <% q_name = q_markdown_name&.include?("src=\"") ? q_markdown_name&.gsub("src=\"","src=\"#{@request_url}")&.html_safe : q_markdown_name %>
                 <span class="ques-title" id="ques_marked_<%= index %>"><%= q_name %></span>
                 <div class="mt8 text-gray">
                   <span id="ques_title_<%= index %>"><%= q_title %></span>
                 </div>
-                <script>
-                    $(function () {
-                        $("#ques_marked_<%= index %>").html(marked(<%= q_name %>))
-                        $("#ques_title_<%= index %>").html(marked(<%= q_title %>))
-                    })
-                </script>
               <% else %>
                 <span class="ques-title" id="ques_title_<%= index %>"><%= q_title %></span>
-                <script>
-                  $(function () {
-                      $("#ques_title_<%= index %>").html(marked(<%= q_title %>))
-
-                  })
-                </script>
               <% end %>
             </div>
             <div class="pbt5">
@@ -146,6 +136,5 @@
   </div>
 </div>
 </body>
-<%= ApplicationController.helpers.pdf_load_sources(*%w(react/public/js/jquery-1.8.3.min.js react/public/js/editormd/marked.min.js))%>
 
 </html>