优化后版本，跑数据脚本

src/main/java/com/subsidy/service/impl/VodPlayHistoryServiceImpl.java

@@ -65,7 +65,7 @@ public class VodPlayHistoryServiceImpl extends ServiceImpl<VodPlayHistoryMapper,
     public void dataFix() {
 
         //班级ids
-        List<String> classIds = Arrays.asList(new String[]{"28"});
+        List<String> classIds = Arrays.asList(new String[]{"17","28"});
 
         Random random = new Random();
 
@@ -105,16 +105,18 @@ public class VodPlayHistoryServiceImpl extends ServiceImpl<VodPlayHistoryMapper,
                     //时间点
                     VodPlayHistoryDO vodPlayHistoryDO1 = vodPlayHistoryDOS.get(0);
                     int total = 0;
-                    int playCounts = random.nextInt(vodDictDOS.size());
+                    int playCounts = random.nextInt(2)+1;
 
                     for (int i = 0; i < playCounts; i++) {
                         VodPlayHistoryDO vodPlayHistoryDO = new VodPlayHistoryDO();
+                        Random random1 = new Random();
+                        int j = random1.nextInt(vodDictDOS.size());
                         vodPlayHistoryDO.setPlayCount(1);
                         vodPlayHistoryDO.setClassId(Long.valueOf(str));
                         vodPlayHistoryDO.setMemberId(classMemberMappingDO.getMemberId());
-                        vodPlayHistoryDO.setPlayRecord(random.nextInt(vodDictDOS.get(i).getVodLength()-10)+1);
+                        vodPlayHistoryDO.setPlayRecord(random.nextInt(vodDictDOS.get(j).getVodLength()-10)+1);
                         vodPlayHistoryDO.setPlayLength(random.nextInt(vodPlayHistoryDO.getPlayRecord()));
-                        vodPlayHistoryDO.setVodId(vodDictDOS.get(i).getId());
+                        vodPlayHistoryDO.setVodId(vodDictDOS.get(j).getId());
                         total += vodPlayHistoryDO.getPlayLength()+random.nextInt(10);
                         vodPlayHistoryDO.setPlayDate(vodPlayHistoryDO1.getPlayDate().plusSeconds(total));
                         vodPlayHistoryMapper.insert(vodPlayHistoryDO);