Spring Hibernate实现分页功能

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 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 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+"/";
%>



 
 
 
 My JSP 'index.jsp' starting page
 
 
  
 
 
 
 
 
 
 

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${list.name} ${list.adderss}

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脚本之家。

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