作业定时任务UNIX_TIMESTAMP改为调用工具类获取参数

sstudy/src/main/java/com/xhkjedu/sstudy/mapper/paperstudent/PaperStudentMapper.java

      * @author WN
      * @date 2020/10/13
      * @param  * @param
+     * @param stoptime
      * @return void
      */
-    void updateShowanswer();
+    void updateShowanswer(@Param("stoptime") int stoptime);
 
 
     //////////////////////////////////////////////学生WEB端//////////////////////////////////////////////

sstudy/src/main/java/com/xhkjedu/sstudy/service/paperstudent/PaperStudentService.java

      * @return void
      */
     public void updateShowanswer(){
-        paperStudentMapper.updateShowanswer();
+        int timestamp = N_Utils.getSecondTimestamp();
+        paperStudentMapper.updateShowanswer(timestamp);
     }
 
 

sstudy/src/main/resources/mapper/paperstudent/PaperStudentMapper.xml

 
     <update id="updateShowanswer">
         update t_paper_student ps left join t_paper_group pg on ps.paperid=pg.paperid
-        set ps.showanswer=1 where pg.pgstate=22 AND pg.showtype=1 and ps.showanswer=0 and pg.stoptime <![CDATA[ <= ]]> UNIX_TIMESTAMP(NOW())
+        set ps.showanswer=1 where pg.pgstate=22 AND pg.showtype=1 and ps.showanswer=0 and pg.stoptime <![CDATA[ <= ]]> #{stoptime}
     </update>