欢迎您访问程序员文章站本站旨在为大家提供分享程序员计算机编程知识!
您现在的位置是: 首页  >  IT编程

百度分页效果之纯jsp版

程序员文章站 2022-10-31 18:34:45
数据库连接工具类">数据库连接工具类 package com.gao.page.utils; import java.sql.connection; import java.sql.dr...
package com.gao.page.utils;

import java.sql.connection;
import java.sql.drivermanager;
public class databaseconnection {
    /**
     *一个静态方法,返回一个数据库的连接。
     *这样达到了对数据库连接统一控制的目的。
     */ 
    public static connection getconnection()
    {
        connection con=null;
        string classforname=com.mysql.jdbc.driver;
        string servanddb=jdbc:mysql://localhost/gaodb;
        string user=root;
        string pwd=123; 
        try
        {
            class.forname(classforname);
            con = drivermanager.getconnection(servanddb,user,pwd);
        }
        catch(exception e)
        {
            e.printstacktrace();
        }
        return con;
    }
}

person实体类

package com.gao.page;

/** 
 * @作者   relieved
 * @创建日期   2015年6月14日
 * @描述  (person类) 
 * @版本 v 1.0
 */
public class person {
    private integer id;
    private string name;
    private integer gender;
    private string phone;
    private integer age;
    private string address;
    /**
     * @return the id
     */
    public integer getid() {
        return id;
    }
    /**
     * @param id the id to set
     */
    public void setid(integer id) {
        this.id = id;
    }
    /**
     * @return the name
     */
    public string getname() {
        return name;
    }
    /**
     * @param name the name to set
     */
    public void setname(string name) {
        this.name = name;
    }
    /**
     * @return the gender
     */
    public integer getgender() {
        return gender;
    }
    /**
     * @param gender the gender to set
     */
    public void setgender(integer gender) {
        this.gender = gender;
    }
    /**
     * @return the age
     */
    public integer getage() {
        return age;
    }
    /**
     * @param age the age to set
     */
    public void setage(integer age) {
        this.age = age;
    }
    /**
     * @return the phone
     */
    public string getphone() {
        return phone;
    }
    /**
     * @param phone the phone to set
     */
    public void setphone(string phone) {
        this.phone = phone;
    }
    /**
     * @return the address
     */
    public string getaddress() {
        return address;
    }
    /**
     * @param address the address to set
     */
    public void setaddress(string address) {
        this.address = address;
    }


}

数据库连接操作类

package com.gao.page;

import java.sql.connection;
import java.sql.preparedstatement;
import java.sql.resultset;
import java.sql.statement;
import java.util.arraylist;
import java.util.list;

import com.gao.page.utils.databaseconnection;
public class personbean {
    private static connection con;
    //构造方法,获得数据库的连接。
    static  {
        con=databaseconnection.getconnection();
    }
    /**
     * 带分页的查询
     * @param pagesize
     * @param pagenum
     * @return
     * @throws exception
     */
    public static list getpersoninf(int pagenum,int pagesize)throws exception
    {
        preparedstatement   pstmt=con.preparestatement(select * from person limit ?,? );
        pstmt.setint(1,(pagenum-1)*pagesize);
        pstmt.setint(2,pagesize);
        resultset rst=pstmt.executequery();
        list ret=new arraylist();
        while(rst.next())
        {
            person temp=new person();
            temp.setid(rst.getint(1));
            temp.setname(rst.getstring(2));
            temp.setgender(rst.getint(3));
            temp.setphone(rst.getstring(4));
            temp.setage(rst.getint(5));
            temp.setaddress(rst.getstring(6));

            ret.add(temp);
        }
        return ret;
    }
    /**
     * 获取记录总条数
     * @return
     * @throws exception
     */
    public static int getpersoncount()throws exception
    {
        statement   pstmt=con.createstatement();
        string sql = select * from person;
        resultset rst=pstmt.executequery(sql);
        rst.last();//移动到最后一行
        return rst.getrow();
    }

}
<%@page import=java.util.*,com.gao.page.person%>
<%@ page language=java contenttype=text/html; charset=utf-8
    pageencoding=utf-8%>
<%
    request.setcharacterencoding(utf-8); 
    string path = request.getcontextpath();
    string basepath = request.getscheme()+://+request.getservername()+:+request.getserverport()+path+/;
%>

<script src=./js/jquery-1.9.1.js></script> <% final int showpages = 5;//上一页和下一页之间显示的页码数 int pagenum = request.getparameter(pagenum)==null?1:integer.parseint(request.getparameter(pagenum));//默认为首页 int pagesize = request.getparameter(pagesize)==null?6:integer.parseint(request.getparameter(pagesize));//默认为6条 list list = person.getpersoninf(pagenum,pagesize); int totalrecords = person.getpersoncount();//总数据条数 int totalpages = totalrecords%pagesize==0?(totalrecords/pagesize):(totalrecords/pagesize+1);//总页码数 int pagestart = math.max(1, pagenum - showpages/2);//显示的起始页码 int pageend = math.min(totalpages, pagestart + showpages - 1);//显示的尾页 pagestart = math.max(1, pageend - showpages + 1); %>

员工信息


<% if(list.size()>0){ for(int i=0;i();i++)> <%}else{%> <% } }%>
id 姓名 性别 手机号 年龄 地址
<%=list.get(i).getid()%> <%=list.get(i).getname()%> <%=list.get(i).getgender()%> <%=list.get(i).getphone()%> <%=list.get(i).getage()%> <%=list.get(i).getaddress()%>
<%=list.get(i).getid()%> <%=list.get(i).getname()%> <%=list.get(i).getgender()%> <%=list.get(i).getphone()%> <%=list.get(i).getage()%> <%=list.get(i).getaddress()%>

<% if(pagenum>1){ %> index.jsp?pagenum=<%=(pagenum-1)%> class=n><上一页 <% } while(pagestart<=pageend){ if(pagestart==pagenum){ %> index.jsp?pagenum=<%=pagestart%>> <%=pagestart %> <% }else if(pagestart%2!=0){ %> index.jsp?pagenum=<%=pagestart%>> <%=pagestart %> <% }else{ %> index.jsp?pagenum=<%=pagestart%>> <%=pagestart %> <% } pagestart++; } if(pagenumindex.jsp?pagenum=<%=(pagenum+1)%> class=n>下一页> <% } %> ){%>

<%}else{%>

暂时没有数据!

<% } %> <script type=text/javascript> </script>

项目完整下载路径:http://download.csdn.net/detail/gao36951/8859947
效果图如下
百度分页效果之纯jsp版
百度分页效果之纯jsp版百度分页效果之纯jsp版