1. import java.io.Serializable;
    2. import java.util.List;
    4. /**
    5.  * 分页结果类
    6.  * @author Administrator
    7.  *
    8.  */
    9. public class PageResult implements Serializable {
    11.    private long total;//总记录数
    12.    private List rows;//当前页记录
    13.    private int page;//当前页
    14.    private int size;//页面大小
    15.    private int totalPage;//总页数
    16.    private int beg;//首页
    17.    private int end;//尾页
    18.    private int pre;//上一页
    19.    private int next;//下一页
    20.    private static int DEFAULT_PAGE_RANGE=4;
    22.    public PageResult(){}
    24.    public PageResult(long total, List rows, int page, int size) {
    25.       super();
    26.       this.total = total;
    27.       this.rows = rows;
    28.       this.page = page;
    29.       this.size = size;
    30.       // 计算
    31.         this.totalPage = (int) (total % size == 0 ? (total/size): (total/size+1));
    32.       // 获取显示起始页码
    33.         calcPage(page,totalPage,2);
    34.         this.pre = page == 1 ? 1: page-1;
    35.         this.next = page == totalPage ? totalPage:page+1;
    36.    }
    38.     public void calcPage(int pageNum,int pageCount,int sideNum){
    39.         int startNum = 0;
    40.         int endNum = 0;
    42.         if(pageCount<=sideNum){
    43.             endNum = pageCount;
    44.         }else{
    45.             if((sideNum+pageNum)>=pageCount){
    46.                 endNum = pageCount;
    47.             }else{
    48.                 endNum = sideNum+pageNum;
    49.                 if((sideNum+pageNum)<=(2*sideNum+1)){
    50.                     if((2*sideNum+1)>=pageCount){
    51.                         endNum = pageCount;
    52.                     }else{
    53.                         endNum = 2*sideNum+1;
    54.                     }
    55.                 }else{
    56.                     endNum = sideNum + pageNum;
    57.                 }
    58.             }
    59.         }
    60.         if(pageNum<=sideNum){
    61.             startNum = 1;
    62.         }else{
    63.             if((pageNum+sideNum)>=pageCount){
    64.                 if((2*sideNum+1)>=pageCount){
    65.                     if((pageCount - 2*sideNum)>=1){
    66.                         startNum = pageCount - 2*sideNum;
    67.                     }else{
    68.                         startNum = 1;
    69.                     }
    70.                 }else{
    71.                     startNum = pageCount - 2*sideNum;
    72.                 }
    73.             }else{
    74.                 if((pageNum-sideNum)>=1){
    75.                     startNum = pageNum - sideNum;
    76.                 }else{
    77.                     startNum = 1;
    78.                 }
    79.             }
    80.         }
    81.         this.beg = startNum;
    82.         this.end = endNum;
    83.     }
    85.    public long getTotal() {
    86.       return total;
    87.    }
    88.    public void setTotal(long total) {
    89.       this.total = total;
    90.    }
    91.    public List getRows() {
    92.       return rows;
    93.    }
    94.    public void setRows(List rows) {
    95.       this.rows = rows;
    96.    }
    98.     public int getPage() {
    99.         return page;
    100.     }
    102.     public void setPage(int page) {
    103.         this.page = page;
    104.     }
    106.     public int getSize() {
    107.         return size;
    108.     }
    110.     public void setSize(int size) {
    111.         this.size = size;
    112.     }
    114.     public int getTotalPage() {
    115.         return totalPage;
    116.     }
    118.     public void setTotalPage(int totalPage) {
    119.         this.totalPage = totalPage;
    120.     }
    122.     public int getBeg() {
    123.         return beg;
    124.     }
    126.     public void setBeg(int beg) {
    127.         this.beg = beg;
    128.     }
    130.     public int getEnd() {
    131.         return end;
    132.     }
    134.     public void setEnd(int end) {
    135.         this.end = end;
    136.     }
    138.    public int getPre() {
    139.       return pre;
    140.    }
    142.    public void setPre(int pre) {
    143.       this.pre = pre;
    144.    }
    146.    public int getNext() {
    147.       return next;
    148.    }
    150.    public void setNext(int next) {
    151.       this.next = next;
    152.    }

    pageResult中四个属性由service层封装，通过构造函数进行封装，剩余5个属性通过内部封装。直接使用即可。