fix bug

app/controllers/zips_controller.rb

@@ -17,7 +17,7 @@ class ZipsController < ApplicationController
   end
 
   def export_exercises
-    exercises = ExportExercisesService.new(@exercise,@ex_users)
+    exercises = ExportExercisesService.new(@exercise,@ex_users,@request_url)
 
     file_name = filename_for_content_disposition(exercises.filename)
     send_file exercises.ex_zip, filename: file_name, type: 'application/zip'
@@ -41,6 +41,8 @@ class ZipsController < ApplicationController
     ActiveRecord::Base.transaction do
       begin
         @exercise = Exercise.includes(:exercise_users,:exercise_questions).find_by(id:params[:exercise_id])
+        @request_url = request.base_url
+        logger.info("######################____________@request_url____________##########################{@request_url}")
         group_id = params[:exercise_group_id]
         if @exercise.blank?
           normal_status(-1,"试卷不存在")

app/services/exercise_user_pdf_service.rb

@@ -5,9 +5,10 @@ class ExerciseUserPdfService
 
   attr_reader :exercise, :ex_user
 
-  def initialize(exercise, ex_user)
+  def initialize(exercise, ex_user,request_url)
     @exercise = exercise
     @ex_user = ex_user
+    @request_url = request_url
     @ex_user_user = @ex_user.user
     @course = @exercise.course
   end

app/services/export_exercises_service.rb

@@ -3,9 +3,10 @@ class ExportExercisesService
   include StudentWorksHelper
   attr_reader :exercise, :ex_users
 
-  def initialize(exercise, ex_users)
+  def initialize(exercise, ex_users,request_url)
     @exercise = exercise
     @ex_users = ex_users
+    @request_url = request_url
   end
 
   def filename
@@ -18,7 +19,7 @@ class ExportExercisesService
     pdfs = []
     Zip::File.open(zip_file.path, Zip::File::CREATE) do |zip|
       ex_users.each do |ex_user|
-        export = ExerciseUserPdfService.new(exercise, ex_user)
+        export = ExerciseUserPdfService.new(exercise, ex_user,@request_url)
         pdf = export.ex_pdf
         pdfs << pdf
         begin

app/templates/exercise_export/exercise_user.html.erb

@@ -168,15 +168,16 @@
                 <% end %>
               </div>
               <div class="pbt5">
+                <% q_title = q.question_title&.gsub("src='","src='/#{@request_url}") %>
+
                 <% if q_type == 5 %>
-                  <span class="ques-title"><%= q.shixun_name&.html_safe %></span>
+                  <% q_name = q.shixun_name&.gsub("src='","src='/#{@request_url}") %>
+                  <span class="ques-title"><%= q_name&.html_safe %></span>
                   <div class="mt8 text-gray">
-                    <span><%= q.question_title&.html_safe %></span>
+                    <span><%= q_title&.html_safe %></span>
                   </div>
-                <% elsif q_type == 4 %>
-                  <span class="ques-title"><%= q.question_title&.html_safe %></span>
                 <% else %>
-                  <span class="ques-title"><%= q.question_title&.html_safe %></span>
+                  <span class="ques-title"><%= q_title&.html_safe %></span>
                 <% end %>
               </div>
             </div>