小编给大家分享一下Spring Data Jpa+SpringMVC+Jquery.pagination.js实现分页的方法,相信大部分人都还不怎么了解,因此分享这篇文章给大家参考一下,希望大家阅读完这篇文章后大有收获,下面让我们一起去了解一下吧!
创新互联专注于企业成都全网营销推广、网站重做改版、甘德网站定制设计、自适应品牌网站建设、H5技术、电子商务商城网站建设、集团公司官网建设、外贸网站建设、高端网站制作、响应式网页设计等建站业务,价格优惠性价比高,为甘德等各大城市提供网站开发制作服务。
介绍一下Spring Data框架
spring Data : Spring 的一个子项目。用于简化数据库访问,支持NOSQL 和 关系数据存储。
下面给出SpringData 项目所支持 NoSQL 存储:
* MongoDB (文档数据库)
* Neo4j(图形数据库)
* redis(键/值存储)
* Hbase(列族数据库)
SpringData 项目所支持的关系数据存储技术:
* JDBC
* JPA
JPA Spring Data : 致力于减少数据访问层 (DAO) 的开发量。开发者只要写好持久层接口就好,然后其它的框架会帮程序员实现。
开发步骤:
本项目是采用maven的,所以可以参考一下我的maven配置:
muses org.muses 1.0-SNAPSHOT 4.0.0 jeeplatform-admin war jeeplatform-admin Maven Webapp http://maven.apache.org 4.1.5.RELEASE 1.4.2.RELEASE 1.6.2.RELEASE 4.3.8.Final 1.2.3 4.7.2 1.0.9 3.7 org.muses jeeplatform-core ${jeeplatform.core.version} org.muses jeeplatform-common 1.0-SNAPSHOT org.muses jeeplatform-oss ${jeeplatform.oss.version} org.muses jeeplatform-upms 1.0-SNAPSHOT javax.servlet servlet-api 2.5 provided jstl jstl 1.2 taglibs standard 1.1.2 log4j log4j ${log4j.version} commons-beanutils commons-beanutils 1.8.3 commons-collections commons-collections 3.2.1 net.sf.ezmorph ezmorph 1.0.6 commons-lang commons-lang 2.5 commons-logging commons-logging 1.2 net.sf.json-lib json-lib 2.4 jar jdk15 compile mysql mysql-connector-java ${mysql.version} commons-io commons-io 2.0.1 commons-fileupload commons-fileupload 1.2.2 org.springframework spring-core ${spring.version} org.springframework spring-beans ${spring.version} org.springframework spring-context ${spring.version} org.springframework spring-context-support ${spring.version} org.springframework spring-jdbc ${spring.version} org.springframework spring-tx ${spring.version} org.springframework spring-test ${spring.version} test org.springframework spring-web ${spring.version} org.springframework spring-aop ${spring.version} org.aspectj aspectjweaver 1.6.10 org.springframework spring-webmvc ${spring.version} org.springframework spring-orm ${spring.version} org.springframework.data spring-data-jpa ${spring-data-jpa.version} org.springframework.data spring-data-commons ${spring-data-commons.version} org.hibernate.javax.persistence hibernate-jpa-2.1-api 1.0.0.Final org.hibernate hibernate-core ${hibernate.version} org.hibernate hibernate-entitymanager ${hibernate.version} org.slf4j slf4j-api 1.6.1 net.sf.ehcache ehcache-core 2.5.0 org.hibernate hibernate-ehcache ${hibernate.version} com.alibaba druid ${druid.version} org.apache.shiro shiro-all ${shiro.version} org.apache.velocity velocity 1.6 org.apache.velocity velocity-tools 2.0 org.apache.lucene lucene-core ${lucene.version} org.apache.lucene lucene-analyzers-common ${lucene.version} org.apache.lucene lucene-queryparser ${lucene.version} org.apache.lucene lucene-memory ${lucene.version} org.apache.lucene lucene-highlighter ${lucene.version} org.wltea.analyzer IKAnalyzer 2012FF_u1 system ${basedir}/src/main/webapp/WEB-INF/lib/IKAnalyzer2012FF_u1.jar log4j log4j ${log4j.version} commons-beanutils commons-beanutils 1.8.3 commons-collections commons-collections 3.2.1 net.sf.ezmorph ezmorph 1.0.6 commons-lang commons-lang 2.5 commons-logging commons-logging 1.2 net.sf.json-lib json-lib 2.4 jar jdk15 compile org.apache.poi poi ${poi.version} com.sun.mail javax.mail 1.5.6 jeeplatform-admin
设计好数据库,编写一个实体类:

package org.muses.jeeplatform.model.entity;
import java.util.Date;
import java.util.Set;
import javax.persistence.CascadeType;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.FetchType;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.JoinColumn;
import javax.persistence.JoinTable;
import javax.persistence.ManyToMany;
import javax.persistence.Table;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
/**
* 用户信息的实体类
* @author Nicky
*/
@Entity
@Table(name="sys_user")
public class User {
/** 用户Id**/
private int id;
/** 用户名**/
private String username;
/** 用户密码**/
private String password;
/** 手机号**/
private int phone;
/** 性别**/
private String sex;
/** 邮件**/
private String email;
/** 备注**/
private String mark;
/** 用户级别**/
private String rank;
/** 最后一次时间**/
private Date lastLogin;
/** 登录ip**/
private String loginIp;
/** 图片路径**/
private String imageUrl;
/** 注册时间**/
private Date regTime;
/** 账号是否被锁定**/
private Boolean locked = Boolean.FALSE;
private Set roles;
@GeneratedValue(strategy=GenerationType.IDENTITY)
@Id
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
@Column(unique=true,length=100,nullable=false)
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
@Column(length=100,nullable=false)
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public int getPhone() {
return phone;
}
public void setPhone(int phone) {
this.phone = phone;
}
@Column(length=6)
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
@Column(length=100)
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
@Column(length=30)
public String getMark() {
return mark;
}
public void setMark(String mark) {
this.mark = mark;
}
@Column(length=10)
public String getRank() {
return rank;
}
public void setRank(String rank) {
this.rank = rank;
}
@Temporal(TemporalType.DATE)
public Date getLastLogin() {
return lastLogin;
}
public void setLastLogin(Date lastLogin) {
this.lastLogin = lastLogin;
}
@Column(length=100)
public String getLoginIp() {
return loginIp;
}
public void setLoginIp(String loginIp) {
this.loginIp = loginIp;
}
@Column(length=100)
public String getImageUrl() {
return imageUrl;
}
public void setImageUrl(String imageUrl) {
this.imageUrl = imageUrl;
}
@Temporal(TemporalType.DATE)
@Column(nullable=false)
public Date getRegTime() {
return regTime;
}
public void setRegTime(Date regTime) {
this.regTime = regTime;
}
public Boolean getLocked() {
return locked;
}
public void setLocked(Boolean locked) {
this.locked = locked;
}
} 编写接口实现Spring Data框架的PagingAndSortingRepository接口
package org.muses.jeeplatform.repository; import org.muses.jeeplatform.model.entity.User; import org.springframework.data.domain.Page; import org.springframework.data.domain.Pageable; import org.springframework.data.jpa.repository.JpaRepository; import org.springframework.data.jpa.repository.Query; import org.springframework.data.repository.PagingAndSortingRepository; import org.springframework.data.repository.query.Param; import java.util.Date; public interface UserRepository extends PagingAndSortingRepository{ /*User findByUsername(String username); @Query("from User u where u.username=:username and u.password=:password") User findByUsernameAndPassword(@Param("username") String username, @Param("password") String password); @Query("from User u where u.id=:id") User findById(@Param("id") int id); @Query("from User u where date_format(u.lastLogin,'yyyy-MM-dd') between date_format((:startDate),'yyyy-MM-dd') and date_format((:endDate),'yyyy-MM-dd')") Page searchU(@Param("startDate")Date startDate,@Param("endDate")Date endDate, Pageable pageable); */ }
业务类实现:
package org.muses.jeeplatform.service;
import java.util.*;
import org.muses.jeeplatform.model.entity.User;
import org.muses.jeeplatform.repository.UserRepository;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.PageRequest;
import org.springframework.data.domain.Sort;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
/**
* @description 用户信息管理的业务类
* @author Nicky
* @date 2017年3月6日
*/
@Service
public class UserService {
@Autowired
UserRepository userRepository;
/**
* 构建PageRequest对象
* @param num
* @param size
* @param asc
* @param string
* @return
*/
private PageRequest buildPageRequest(int num, int size, Sort.Direction asc,
String string) {
return new PageRequest(num-1, size,null,string);
}
/**
* 获取所有的菜单信息并分页显示
* @param pageNo
* 当前页面数
* @param pageSize
* 每一页面的页数
* @return
*/
@Transactional
public Page findAll(int pageNo, int pageSize, Sort.Direction dir, String str){
PageRequest request = buildPageRequest(pageNo, pageSize, dir, str);
Page users = userRepository.findAll(request);
return users;
}
} 控制类,采用SpringMVC框架,先编写一个baseController,实现一些通用功能的封装:
package org.muses.jeeplatform.web.controller;
import javax.servlet.http.HttpServletRequest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.web.context.request.RequestContextHolder;
import org.springframework.web.context.request.ServletRequestAttributes;
import org.springframework.web.servlet.ModelAndView;
public class BaseController {
Logger log = null;
/**
* 获取日志对象
* @return
*/
public Logger getInstance(){
if(log == null){
log = LoggerFactory.getLogger(BaseController.class);
}
return log;
}
/**
* 得到request对象
*/
public HttpServletRequest getRequest() {
HttpServletRequest request = ((ServletRequestAttributes)RequestContextHolder.getRequestAttributes()).getRequest();
return request;
}
/**
* 得到ModelAndView
*/
public ModelAndView getModelAndView(){
return new ModelAndView();
}
}控制类实现:
package org.muses.jeeplatform.web.controller;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
import net.sf.json.JsonConfig;
import org.apache.commons.collections.map.HashedMap;
import org.muses.jeeplatform.core.Constants;
import org.muses.jeeplatform.core.ExcelViewWrite;
import org.muses.jeeplatform.core.JavaEmailSender;
import org.muses.jeeplatform.model.entity.User;
import org.muses.jeeplatform.service.UserService;
import org.muses.jeeplatform.utils.DateJsonValueProcessor;
import org.muses.jeeplatform.utils.DateUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Sort;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import org.springframework.web.servlet.ModelAndView;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.PrintWriter;
import java.util.*;
/**
* Created by Nicky on 2017/7/29.
*/
@RequestMapping("/user")
@Controller
public class UserController extends BaseController{
@Autowired
UserService userService;
/**
* 查询所有管理员信息并分页显示
* @param request
* @param response
* @param model
* @return
*/
@RequestMapping(value = "/queryAll",produces = "application/json;charset=UTF-8")
@ResponseBody
public ModelAndView findAll(HttpServletRequest request, HttpServletResponse response, Model model){
//当前页
String pageIndexStr = request.getParameter("pageIndex");
//每一页的页数
int pageSize = Constants.PAGE_SIZE;
ModelAndView mv = this.getModelAndView();
Page userPage;
if(pageIndexStr==null||"".equals(pageIndexStr)){
pageIndexStr = "0";
}
int pageIndex = Integer.parseInt(pageIndexStr);
userPage = userService.findAll(pageIndex+1, pageSize, Sort.Direction.ASC,"id");
mv.addObject("totalCount",userPage.getTotalElements());
mv.addObject("pageIndex",pageIndex);
// JsonConfig cfg = new JsonConfig();
// cfg.setExcludes(new String[]{"handler","hibernateLazyInitializer"});
JsonConfig jcg = new JsonConfig();
jcg.registerJsonValueProcessor(Date.class,
new DateJsonValueProcessor("yyyy-mm-dd"));
JSONArray jsonArray = JSONArray.fromObject(userPage.getContent(),jcg);
//System.out.println(jsonArray.toString());
mv.addObject("users",jsonArray.toString());
mv.setViewName("admin/user/sys_user_list");
return mv;
}
} 【前端页面实现】
页面View实现,引用 jquery.pagination.js (分页js),跟pagination.css(分页样式css)。
可以去这里下载:https://www.jb51.net/article/105013.htm
<%@ page contentType="text/html; charset=utf-8" pageEncoding="utf-8"%> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%> <%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %>" rel="external nofollow" > Insert title here plugins/page/css/bootstrap-3.3.5.min.css" rel="external nofollow" /> plugins/page/css/pagination.css" rel="external nofollow" />
序号 用户名 描述 手机 邮箱 最近登录 上次登录IP 操作
前端页面展示:

以上是“Spring Data Jpa+SpringMVC+Jquery.pagination.js实现分页的方法”这篇文章的所有内容,感谢各位的阅读!相信大家都有了一定的了解,希望分享的内容对大家有所帮助,如果还想学习更多知识,欢迎关注创新互联行业资讯频道!