int i=0, size=RevenueMeterBookImportList.size(), batchSize=2000;
        while (i < size) {
            this.BookMapper.list(list.subList(i, Math.min(i + batchSize, size)));
            i+=batchSize;

if(l.size()>0){
    if(l.size()<=2000){//每次只插入2000条数据，ORACLE插入字符串不能大于32k
        insert(l);
          }else{
            int times = (int)Math.ceil(l.size()/2000.0 );
            for(int i=0; i<times; i++ ){
            insert(l.subList(i*2000, Math.min((i+1)*2000, l.size())));
            }
          }
}