java List集合分页

import java.util.ArrayList;
import java.util.List;

public class Sublist {

    public static  void fenye(List list,int pagesize){

          int totalcount=list.size();
          int pagecount=0;
          int m=totalcount%pagesize;
          if  (m>0){
           pagecount=totalcount/pagesize+1;
          }else{
           pagecount=totalcount/pagesize;
          }

          for(int i=1;i<=pagecount;i++){
           if (m==0){
               List<Integer> subList= list.subList((i-1)*pagesize,pagesize*(i));
               System.out.println(subList);
            }else{
                if (i==pagecount){
                      List<Integer> subList= list.subList((i-1)*pagesize,totalcount);
                      System.out.println(subList);
                }else{
                      List<Integer> subList= list.subList((i-1)*pagesize,pagesize*(i));
                      System.out.println(subList);
                }


            }
          }

    }
     public static void main(String[] args) {

          List<Integer> list=new ArrayList<Integer>();
          for(int i=1;i<52;i++){
           list.add(i);
          }

          fenye(list,10);

         }

}
运行结果：[1, 2, 3, 4, 5, 6, 7, 8, 9, 10][11, 12, 13, 14, 15, 16, 17, 18, 19, 20][21, 22, 23, 24, 25, 26, 27, 28, 29, 30][31, 32, 33, 34, 35, 36, 37, 38, 39, 40][41, 42, 43, 44, 45, 46, 47, 48, 49, 50][51]
每页显示说明：其中pagesize：每页显示多少个，start是第几页 需要作为参数传递进来，list下标从0开始，sublist方法第一个参数包含，第二个参数不包含list 为要分页的list集合，pageSize是每页数据条数，i 是第几页
private static List<CourseAllDTO> fenye(List<CourseAllDTO> list, int pagesize, int i) {
    int totalcount = list.size();
    int pagecount = 0;
    int m = totalcount % pagesize;
    if (m > 0) {
        pagecount = totalcount / pagesize + 1;
    } else {
        pagecount = totalcount / pagesize;
    }
    System.out.println(pagecount + "-------");
    System.out.println(m + "----m---");
    List<CourseAllDTO> subList = new ArrayList<>();
    if (m == 0) {
        subList = list.subList((i - 1) * pagesize, pagesize * (i));
        System.out.println(subList + "m==0------------------");
    } else {
        if (i == pagecount) {
            subList = list.subList((i - 1) * pagesize, totalcount);
            System.out.println(subList);
        } else {
            subList = list.subList((i - 1) * pagesize, pagesize * (i));
            System.out.println(subList);
        }
    }
    return subList;
}