Spring Hibernate实现分页功能

时间：2021-05-20

本实例采用Spring+Hibernate实现简单的分页功能，供大家参考，具体内容如下

最关键的是运用Hibernate的query里面的两个方法：

query.setFirstResult((p.getPage()-1)*p.getRows()); 指定从那个对象开始查询，参数的索引位置是从0开始的。

query.setMaxResults(p.getRows()); 分页时，一次最多产寻的对象数 主要实现类：

package com.paging;import java.util.List;import javax.annotation.Resource;import org.hibernate.Query;import org.hibernate.SessionFactory;import com.user.User;import sun.nio.cs.US_ASCII;public class Paging { final int num=3; @Resource SessionFactory sessionFactory; public void setSessionFactory(SessionFactory sessionFactory) { this.sessionFactory = sessionFactory; } public List<User> paging(int index) { String hql = "from User"; Query query = sessionFactory.getCurrentSession().createQuery(hql); query.setFirstResult((index-1)*num); query.setMaxResults(num); return query.list(); } }

web层:

package com.web;import java.util.List;import javax.annotation.Resource;import org.springframework.stereotype.Controller;import org.springframework.ui.Model;import org.springframework.web.bind.annotation.RequestMapping;import com.paging.Paging;import com.user.User;@Controller@RequestMapping("/Page")public class Web { @Resource Paging paging; public void setPaging(Paging paging) { this.paging = paging; } @RequestMapping("/page") public String page(Model model,int index) { List<User> list = paging.paging(index); model.addAttribute("list", list); return "index"; } }

jsp页面：

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%><%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <head> <base href="<%=basePath%>" rel="external nofollow" > <title>My JSP 'index.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css" rel="external nofollow" > --> </head> <body> <h1><a href="/Paging/Page/page?index=1" rel="external nofollow" >1</a></h1> <h1><a href="/Paging/Page/page?index=2" rel="external nofollow" >2</a></h1> <h1><a href="/Paging/Page/page?index=3" rel="external nofollow" >3</a></h1> <c:if test="${!empty list }"> <c:forEach items="${list}" var="list"> ${list.name} ${list.adderss} </c:forEach> </c:if> </body></html>

因为是简单例子所以界面就很简陋了。

以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。

声明：本页内容来源网络，仅供用户参考；我单位不保证亦不表示资料全面及准确无误，也不保证亦不表示这些资料为最新信息，如因任何原因，本网内容或者用户因倚赖本网内容造成任何损失或损害，我单位将不会负任何法律责任。如涉及版权问题，请提交至online#300.cn邮箱联系删除。

相关文章