（还搬）分页查询类的封装示例

package cn.sxx.utils;

import java.util.List;

public class Page {
    /**
     * 页码
     */
    private int pageNo = 1;
    
    /**
     * 每页的记录数
     */
    private int pageSize =5;
    /**
     * 指定的查询条件下总记录数，这个数据需要从后台数据库查询得知
     */
    private int totalCount = 0;
    
    /**
     * 指定查询条件下的总页数
     */
    private int totalPage = 1;
    
    /**
     * 开始行号startNum=（pageNo-1）*pageSize
     */
    private int startNum = 0;
    
    private List<?> list;

    public int getPageNo() {
        return pageNo;
    }

    public void setPageNo(int pageNo) {
        this.pageNo = pageNo;
    }

    public int getPageSize() {
        return pageSize;
    }

    public void setPageSize(int pageSize) {
        this.pageSize = pageSize;
    }

    public int getTotalCount() {
        return totalCount;
    }

    public void setTotalCount(int totalCount) {
        this.totalCount = totalCount;
    }

    /**
     * pageSize totalCount totalPage
     * @return
     */
    public int getTotalPage() {
        totalPage = totalCount/pageSize;
        if(totalCount == 0 || totalCount%pageSize != 0){
            totalPage++;
        }
        return totalPage;
    }

    public void setTotalPage(int totalPage) {
        this.totalPage = totalPage;
    }

    /**
     * g根据页码和每一页记录数计算开始行号
     * @return
     */
    public int getStartNum() {
        return (pageNo - 1)*pageSize;
    }

    public void setStartNum(int startNum) {
        this.startNum = startNum;
    }

    public List<?> getList() {
        return list;
    }

    public void setList(List<?> list) {
        this.list = list;
    }
    
    

}