用SSH怎么实现查询分页功能

/*
 * Copyright (C) 2014 China Telecom System Integration Co., Ltd.
 * All rights reserved.
 */

package cn.com.ctsi.commons.dao;

import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;

/**
 * The type Page view.
 *
 * @param <T> the type parameter
 */
public class PageView<T> implements Serializable {
    private static final long serialVersionUID = 8191429276493862832L;

    /**
     * The constant DEFAULT_RECPERPAGE.
     */
    public static final Integer DEFAULT_RECPERPAGE = 15;
    /**
     * The constant DEFAULT_TABLE_HEIGHT.
     */
    public static final Integer DEFAULT_TABLE_HEIGHT = 240;

    /**
     * The Curr page.
     */
    protected Integer currPage = 1; // 当前页
    /**
     * The Rec num.
     */
    protected Integer recNum; // 总记录数
    /**
     * The Rec num per page.
     */
    protected Integer recNumPerPage = DEFAULT_RECPERPAGE; // 每页记录数

    /**
     * The Page num.
     */
    protected Integer pageNum = 1; // 总页数

    /**
     * The Tbl height.
     */
    protected Integer tblHeight; //
    /**
     * The Tbl hide cols.
     */
    protected String tblHideCols; //
    /**
     * The Tbl cols no.
     */
    protected String tblColsNo; //
    /**
     * The Tbl cols width.
     */
    protected String tblColsWidth; //

    /**
     * The Result.
     */
    protected List<T> result = new ArrayList<T>();

    /**
     * Instantiates a new Page view.
     */
    public PageView() {
        currPage = 1;
        recNumPerPage = DEFAULT_RECPERPAGE;
        recNum = 0;
    }

    /**
     * Instantiates a new Page view.
     *
     * @param currPage      the curr page
     * @param recNum        the rec num
     * @param recNumPerPage the rec num per page
     */
    public PageView(int currPage, int recNum, int recNumPerPage) {
        this.currPage = currPage;
        this.recNum = recNum;
        this.recNumPerPage = recNumPerPage;

    }

    /**
     * Gets curr page.
     *
     * @return the curr page
     */
    public int getCurrPage() {
        return currPage;
    }

    /**
     * Sets curr page.
     *
     * @param currPage the curr page
     */
    public void setCurrPage(int currPage) {
        this.currPage = currPage;
    }

    /**
     * Gets page num.
     *
     * @return the page num
     */
    public int getPageNum() {
        if (recNumPerPage > 0) {
            int num = recNum / recNumPerPage;
            if (num * recNumPerPage < recNum) {
                num++;
            }
            return num;
        }
        return 1;
    }

    /**
     * Gets rec num.
     *
     * @return the rec num
     */
    public int getRecNum() {
        return recNum;
    }

    /**
     * Sets rec num.
     *
     * @param recNum the rec num
     */
    public void setRecNum(int recNum) {
        this.recNum = recNum;
    }

    /**
     * Gets rec num per page.
     *
     * @return the rec num per page
     */
    public int getRecNumPerPage() {
        return recNumPerPage;
    }

    /**
     * Sets rec num per page.
     *
     * @param recNumPerPage the rec num per page
     */
    public void setRecNumPerPage(int recNumPerPage) {
        this.recNumPerPage = recNumPerPage;
    }

    /**
     * Gets result.
     *
     * @return the result
     */
    public List<T> getResult() {
        return result;
    }

    /**
     * Sets result.
     *
     * @param result the result
     */
    public void setResult(List<T> result) {
        this.result = result;
    }

    /**
     * Gets tbl height.
     *
     * @return the tbl height
     */
    public Integer getTblHeight() {
        return tblHeight;
    }

    /**
     * Sets tbl height.
     *
     * @param tblHeight the tbl height
     */
    public void setTblHeight(Integer tblHeight) {
        this.tblHeight = tblHeight;
    }

    /**
     * Gets tbl hide cols.
     *
     * @return the tbl hide cols
     */
    public String getTblHideCols() {
        return tblHideCols;
    }

    /**
     * Sets tbl hide cols.
     *
     * @param tblHideCols the tbl hide cols
     */
    public void setTblHideCols(String tblHideCols) {
        this.tblHideCols = tblHideCols;
    }

    /**
     * Gets tbl cols no.
     *
     * @return the tbl cols no
     */
    public String getTblColsNo() {
        return tblColsNo;
    }

    /**
     * Sets tbl cols no.
     *
     * @param tblColsNo the tbl cols no
     */
    public void setTblColsNo(String tblColsNo) {
        this.tblColsNo = tblColsNo;
    }

    /**
     * Gets tbl cols width.
     *
     * @return the tbl cols width
     */
    public String getTblColsWidth() {
        return tblColsWidth;
    }

    /**
     * Sets tbl cols width.
     *
     * @param tblColsWidth the tbl cols width
     */
    public void setTblColsWidth(String tblColsWidth) {
        this.tblColsWidth = tblColsWidth;
    }

}