编译错误处理

app/controllers/student_work_controller.rb

@@ -90,6 +90,7 @@ class StudentWorkController < ApplicationController
           resultObj[:error_msg] = result["error_msg"]   #编译错误时的信息
 
           if result["status"].to_i == -2 #编译错误
+              resultObj[:results] = result["error_msg"]
               resultObj[:status] = -2
           elsif  result["results"][0]["status"].to_i == 2
               resultObj[:status] = 2
@@ -116,6 +117,7 @@ class StudentWorkController < ApplicationController
                 student_work_test.save!
                 resultObj[:testid] = student_work_test.id
               else
+                #先从数据库取出result
                 student_work_test = StudentWorkTest.find(params[:testid])
                 results = student_work_test.results
                 results << resultObj[:results]