src/main/java/com/system/po/PagingVO.java

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package com.system.po;

/**
 *  分页信息 pojo类
 */
public class PagingVO {

    //当前页码,默认第一页
    private int curentPageNo = 1;
    //总页数
    private int totalCount;
    //页面容量
    private int pageSize=5;
    //上一页
    private int upPageNo;
    //下一页
    private int nextPageNo;
    //要前往的页码,默认0
    private int toPageNo = 0;

    public void setToPageNo(Integer toPageNo) {
        //新一页
        this.toPageNo = (toPageNo-1) * pageSize ;
        //设置跳转后当前的页码
        setCurentPageNo(toPageNo);
    }

    public Integer getTopageNo() {
        return toPageNo;
    }

    public int getCurentPageNo() {
        return curentPageNo;
    }

    //设置当前页码
    public void setCurentPageNo(int curentPageNo) {
        if (curentPageNo != 1) {
            this.upPageNo = curentPageNo - 1;
        }
        this.nextPageNo = curentPageNo + 1;

        this.curentPageNo = curentPageNo;
    }

    public int getTotalCount() {
        return totalCount;
    }

    public void setTotalCount(int totalCount) {
        if (totalCount%pageSize > 0) {
            this.totalCount = (totalCount/pageSize)+1;
        } else {
            this.totalCount = totalCount/pageSize;
        }

    }

    public int getPageSize() {
        return pageSize;