试题预览页的删除单个试题

app/controllers/examination_banks_controller.rb

@@ -56,6 +56,7 @@ class ExaminationBanksController < ApplicationController
 
   def set_public
     tip_exception(-1, "该试卷已公开") if @exam.public?
+    
     @exam.update_attributes!(public: 1)
     render_ok
   end

app/controllers/item_baskets_controller.rb

@@ -29,10 +29,9 @@ class ItemBasketsController < ApplicationController
   end
 
   def destroy
-    item = current_user.item_baskets.find_by!(item_bank_id: params[:id])
     ActiveRecord::Base.transaction do
-      current_user.item_baskets.where(item_type: item.item_type).where("position > #{item.position}").update_all("position = position -1")
-      item.destroy!
+      current_user.item_baskets.where(item_type: current_basket.item_type).where("position > #{current_basket.position}").update_all("position = position -1")
+      current_basket.destroy!
     end
     render_ok
   end