batchList

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public static  <T> List<List<T>> batchList(List<T> list) {     List<List<T>> lists = new ArrayList<>();     int pointsDataLimit = 1000;//限制条数     int size = list.size();     //判断是否有必要分批     if (pointsDataLimit < size) {         int totalPage = size / pointsDataLimit;//分批数         if (size % pointsDataLimit != 0) {             totalPage += 1;         }         for (int i = 0; i < totalPage; i++) {             //1000条             List listPage;             if (i == totalPage - 1) {                 listPage = list.subList(i * pointsDataLimit, size);             } else {                 listPage = list.subList(i * pointsDataLimit, (i + 1) * pointsDataLimit);             }             lists.add(listPage);         }     } else {         lists.add(list);     }     return lists; }