导出pdf添加标题图片显示

app/controllers/exercises_controller.rb

@@ -1334,6 +1334,7 @@ class ExercisesController < ApplicationController
   #导出空白试卷
   def export_exercise
     @exercise_questions = @exercise.exercise_questions.includes(:exercise_choices).order("question_number ASC")
+    @request_url = request.base_url
     filename = "#{current_user.real_name}_#{@course.name}_#{@exercise.exercise_name}_#{Time.current.strftime('%Y%m%d%H%M%S')}.pdf"
     stylesheets = "#{Rails.root}/app/templates/exercise_export/exercise_export.css"
     render pdf: 'exercise_export/blank_exercise', filename: filename, stylesheets: stylesheets

app/controllers/zips_controller.rb

@@ -42,7 +42,6 @@ class ZipsController < ApplicationController
       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")
@@ -50,12 +49,12 @@ class ZipsController < ApplicationController
           @course = @exercise.course
 
           default_ex_users = @exercise.all_exercise_users(current_user.id).exercise_user_committed
-          @ex_users =  default_ex_users   #仅导出已提交的，截止后则是全部为提交的。
+          @ex_users =  default_ex_users.limit 1   #仅导出已提交的，截止后则是全部为提交的。
           #可以分班选择
           if group_id.present?
             exercise_students = @course.students.where(course_group_id: group_id)  # 试卷所分班的全部人数
             user_ids = exercise_students.pluck(:user_id).reject(&:blank?).uniq
-            @ex_users = @ex_users.where(user_id: user_ids)
+            @ex_users = @ex_users.where(user_id: user_ids).limit 1
           end
 
           default_ex_users_size = @ex_users.size

app/services/exercise_user_pdf_service.rb

@@ -38,10 +38,10 @@ class ExerciseUserPdfService
     kit = PDFKit.new(html)
     base_css = %w(app/templates/exercise_export/exercise_export.css)
     base_css.each { |css| kit.stylesheets << Rails.root.join(css) }
-    #-----正式需删掉
+    # #-----正式需删掉
     # aa = File.open(Rails.root.join("public/123.html"),"w+")
     # aa.syswrite(kit.source)
-    #正式需删掉-------
+    # #正式需删掉-------
     file = Tempfile.new(filename)
     kit.to_pdf(file.path)
     file

app/templates/exercise_export/blank_exercise.html.erb

@@ -68,13 +68,15 @@
               <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}") : q.question_title %>
               <% if q.question_type == 5 %>
-                <span class="ques-title"><%= q.shixun_name.present? ? q.shixun_name&.html_safe : "" %></span>
+                <% q_name = q.shixun_name&.include?("src=\"") ? q.shixun_name&.gsub("src=\"","src=\"#{@request_url}") : q.shixun_name %>
+                <span class="ques-title"><%= q_name&.html_safe %></span>
                 <div class="mt8 text-gray">
-                  <span><%= q.question_title.present? ? q.question_title&.html_safe : "" %></span>
+                  <span><%= q_title&.html_safe %></span>
                 </div>
               <% else %>
-                <span class="ques-title"><%= q.question_title.present? ? q.question_title&.html_safe : "" %></span>
+                <span class="ques-title"><%= q_title&.html_safe %></span>
               <% end %>
             </div>
             <div class="pbt5">

app/templates/exercise_export/exercise_user.html.erb

@@ -167,10 +167,9 @@
                 <% end %>
               </div>
               <div class="pbt5">
-                <% q_title = q.question_title&.gsub("src='","src='/#{@request_url}") %>
-
+                <% q_title = q.question_title&.include?("src=\"") ? q.question_title&.gsub("src=\"","src=\"#{@request_url}") : q.question_title %>
                 <% if q_type == 5 %>
-                  <% q_name = q.shixun_name&.gsub("src='","src='/#{@request_url}") %>
+                  <% q_name = q.shixun_name&.include?("src=\"") ? q.shixun_name&.gsub("src=\"","src=\"#{@request_url}") : q.shixun_name %>
                   <span class="ques-title"><%= q_name&.html_safe %></span>
                   <div class="mt8 text-gray">
                     <span><%= q_title&.html_safe %></span>