验证

app/controllers/exercise_answers_controller.rb

@@ -3,6 +3,15 @@ class ExerciseAnswersController < ApplicationController
   before_action :get_exercise_question
   include ExercisesHelper
 
+  # model validation error
+  rescue_from ActiveRecord::RecordInvalid do |ex|
+    render_error(ex.record.errors.full_messages.join(','))
+  end
+  # form validation error
+  rescue_from ActiveModel::ValidationError do |ex|
+    render_error(ex.model.errors.full_messages.join(','))
+  end
+
   def create  #每一次答案的点击，请求一次，实训题不在这里回答
     begin
       q_type = @exercise_question.question_type  #试卷的类型

app/controllers/exercises_controller.rb

@@ -24,6 +24,15 @@ class ExercisesController < ApplicationController
   include ExportHelper
   include ExercisesHelper
 
+  # model validation error
+  rescue_from ActiveRecord::RecordInvalid do |ex|
+    render_error(ex.record.errors.full_messages.join(','))
+  end
+  # form validation error
+  rescue_from ActiveModel::ValidationError do |ex|
+    render_error(ex.model.errors.full_messages.join(','))
+  end
+
   def index
     begin
       # 按发布时间或创建时间排序