JAVA高级面试进阶训练营视频教程

admin

public void delectAndSave(List<CcbStatement> list, Date dateParam){
   ccbStatementMapper.deleteSelective(dateParam);
   if(list.size()<=2000){
      ccbStatementMapper.insertBatch(list);
   }else{
      int times = (int)Math.ceil( list.size()/2000.0 );
      for(int i=0; i<times; i++ ){
         System.out.println("分批插入："+ i);
         ccbStatementMapper.insertBatch(list.subList(i*2000, Math.min((i+1)*2000, list.size()-1)));
      }

   }
}