将集合按照制定大小进行切割,然后填充到List中
import com.google.common.collect.Lists;
List<List<Long>> partition = Lists.partition(queryIdList, 10);
集合判空:
import org.apache.commons.collections.CollectionUtils;
CollectionUtils.isEmpty();
数字转换
import org.apache.commons.lang3.math.NumberUtils;
NumberUtils.toXxxx();