• java List集合分页


    1. import java.util.ArrayList;  
    2. import java.util.List;  
    3.   
    4. public class Sublist {  
    5.       
    6.     public static  void fenye(List list,int pagesize){  
    7.           
    8.           int totalcount=list.size();    
    9.           int pagecount=0;    
    10.           int m=totalcount%pagesize;    
    11.           if  (m>0){    
    12.            pagecount=totalcount/pagesize+1;    
    13.           }else{    
    14.            pagecount=totalcount/pagesize;    
    15.           }    
    16.              
    17.           for(int i=1;i<=pagecount;i++){         
    18.            if (m==0){    
    19.                List<Integer> subList= list.subList((i-1)*pagesize,pagesize*(i));     
    20.                System.out.println(subList);       
    21.             }else{    
    22.                 if (i==pagecount){    
    23.                       List<Integer> subList= list.subList((i-1)*pagesize,totalcount);     
    24.                       System.out.println(subList);       
    25.                 }else{    
    26.                       List<Integer> subList= list.subList((i-1)*pagesize,pagesize*(i));    
    27.                       System.out.println(subList);       
    28.                 }    
    29.                 
    30.              
    31.             }    
    32.           }    
    33.           
    34.     }  
    35.      public static void main(String[] args) {    
    36.               
    37.           List<Integer> list=new ArrayList<Integer>();         
    38.           for(int i=1;i<52;i++){    
    39.            list.add(i);       
    40.           }    
    41.             
    42.           fenye(list,10);  
    43.       
    44.          }    
    45.   

    1. }  
    2. 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]



    3. 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
    4. 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;
      }

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  • 原文地址:https://www.cnblogs.com/hzcya1995/p/13300637.html
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