开考提前5分钟获取试卷限制

sexam/src/main/java/com/xhkjedu/sexam/service/paperstudent/EPaperStudentService.java

      **/
     public Map startPaperForAndroid(EPaperStudent eps) throws Exception {
         Integer epsid = eps.getEpsid();
-        /*Integer pstate = ePaperStudentMapper.getSubjectStateByEpsid(epsid);
-        if(pstate == 2) throw new MissingParametersException("考试已结束禁止操作");
-*/
+
         Map ssmap = ePaperStudentMapper.getSubjectStateAndSstageByEpsid(epsid);
         Integer pstate = Integer.parseInt(ssmap.get("pstate").toString());
         if(pstate == 2) throw new MissingParametersException("考试已结束禁止操作");
         Integer sstate = Integer.parseInt(ssmap.get("sstate").toString());
         if(sstate >= 2) throw new MissingParametersException("试卷已提交");
 
+        String sdate = ssmap.get("sdate").toString();
+        String sbegintime = ssmap.get("begintime").toString();
+        int nowstamp = N_Utils.getSecondTimestamp();
+        long beginstamp = ExamUtil.getTimestrToTimetamp(sdate + " " + sbegintime + " 00");
+        if(nowstamp < beginstamp){
+            long diff = (beginstamp - nowstamp)/60;
+            if(diff > 5){
+                throw new MissingParametersException("距离开考超过5分钟，请耐心等待");
+            }
+        }
+
         Map rtnmap = new HashMap();
         //获取试卷基本信息
         EPaperStudentVo psvo = ePaperStudentMapper.getExamSubjectByEpsid(epsid);
      **/
     public Map startPaperForWeb(EPaperStudent eps) throws Exception {
         Integer epsid = eps.getEpsid();
-//        Integer examstate = ePaperStudentMapper.getExamStateByEpsId(epsid);
-//        if (2 <= examstate) throw new MissingParametersException("考试已结束禁止操作");
         Map ssmap = ePaperStudentMapper.getSubjectStateAndSstageByEpsid(epsid);
         Integer pstate = Integer.parseInt(ssmap.get("pstate").toString());
         if(pstate == 2) throw new MissingParametersException("考试已结束禁止操作");
         Integer sstate = Integer.parseInt(ssmap.get("sstate").toString());
         if(sstate >= 2) throw new MissingParametersException("试卷已提交");
 
+        String sdate = ssmap.get("sdate").toString();
+        String sbegintime = ssmap.get("begintime").toString();
+        int nowstamp = N_Utils.getSecondTimestamp();
+        long beginstamp = ExamUtil.getTimestrToTimetamp(sdate + " " + sbegintime + ":00");
+        if(nowstamp < beginstamp){
+            long diff = beginstamp - nowstamp;
+            if(diff > 300){
+                throw new MissingParametersException("未到考试时间，请耐心等待");
+            }
+        }
+
         //获取试卷基本信息
 //        EPaperStudentVo psvo = ePaperStudentMapper.getExamSubjectByEpsid(epsid);
         Map map = ePaperStudentMapper.getExamSubjectPaperByEpsid(epsid);

sexam/src/main/resources/mapper/paperstudent/EPaperStudentMapper.xml

     </select>
     <!--根据试卷学生id获取考试科目状态和学生试卷状态-->
     <select id="getSubjectStateAndSstageByEpsid" resultType="java.util.Map">
-        select eps.sstate,s.pstate,s.esid,eps.studentid from e_paper_student eps left join e_subject s on eps.esid=s.esid where eps.epsid=#{epsid}
+        select eps.sstate,s.pstate,s.esid,eps.studentid,s.sdate,s.begintime from e_paper_student eps left join e_subject s on eps.esid=s.esid where eps.epsid=#{epsid}
     </select>
     <!--缺考详情-->
     <select id="listQkDetail" resultType="java.util.Map">