后端分页插件pageBar 使用 springmvc下 hibernate
2018-11-02 16:25
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pagebar插件,具体说明在
https://blog.csdn.net/xushiyu1996818/article/details/83656610
可以使用下载
controller
[code]@RequestMapping(value="/showCanSellProductsAjax") public ModelAndView showCanSellProductsAjax(String currentPageNum)throws Exception{ PageBar pb=new PageBar(); pb.setEveryPageNum("1"); pb.setCurrentPageNum(currentPageNum); adminService.showCanSellProductsPage(pb); ModelAndView modelAndView = new ModelAndView("/admin/products_cansell_ajax"); modelAndView.addObject("pb", pb); return modelAndView; }
service
[code]@Override public void showCanSellProductsPage(PageBar pb){ String hqlCount="select count(*) from Product where canSell=1 and num!=0"; pb.buildPage((int)(long)baseDao.uniqueQuery(hqlCount, null)); String hql="from Product where canSell=1 and num!=0"; pb.setResultList((List<Product>)baseDao. queryForPageListByHql(hql, pb.getCurrentPageNum(), pb.getEveryPageNum(), null)); }
dao
[code]/** * hql单一值查值 * System.out.println((int)baseDao.uniqueQuery("Select id From Activity Where id= ?0", 1)); * 如果查询的是count 返回的是long 需要(int)(long)base.uniqueQuery(); * @param hql * @param args * @return */ @Override public Object uniqueQuery(String hql,Object...args) { Session session = sessionFactory.openSession(); Query q = session.createQuery(hql); if (null!=args&&args.length>0) { for (int i = 0; i < args.length; i++) { q.setParameter(i, args[i]); } } Object result=q.uniqueResult(); if(result==null){ System.out.println("uniqueQuery query nothing"); } else{ System.out.println("uniqueQuery "+result.toString()); } session.close(); return result; } /** * 分页查询 * @param hql * @param pageindex 从1开始 * @param limit 每页的数目 * @param args * @return */ @Override public List<?> queryForPageListByHql(String hql,int pageindex,int limit,Object...args) { List<?> lis =null; Session s = sessionFactory.openSession(); Query q = s.createQuery(hql); if (null!=args&&args.length>0) { for (int i = 0; i < args.length; i++) { q.setParameter(i, args[i]); } } q.setFirstResult((pageindex-1)*limit); q.setMaxResults(limit); lis = q.list(); System.out.println("queryForPageListByHql , find "+lis.size()+"条数据"); s.close(); return lis; }
jsp
[code]<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta charset="utf-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <title>上架商品-ajax-分页</title> <!-- Tell the browser to be responsive to screen width --> <meta name="viewport" content="width=device-width, initial-scale=1"> <!-- Font Awesome --> <link rel="stylesheet" href="${pageContext.request.contextPath}/conf1/css/font-awesome.min.css"> <!-- Ionicons --> <link rel="stylesheet" href="${pageContext.request.contextPath}/conf1/css/ionicons.min.css"> <!-- Theme style --> <link rel="stylesheet" href="${pageContext.request.contextPath}/conf1/dist/css/adminlte.min.css"> <!-- Google Font: Source Sans Pro --> <link href="https://fonts.googleapis.com/css?family=Source+Sans+Pro:300,400,400i,700" rel="stylesheet"> </head> <script type="text/javascript"> function downProduct(id){ var params = { id : id }; var nowUrl=getRealPath()+"/admin/downProductAjax.do"; $.ajax({ type : "post", url : "/campus_second_ssh/admin/downProductAjax.do",//访问路径 dataType : "json", contentType : "application/json", data : JSON.stringify(params), timeout : 5000, error : alertSuccess, global : false, success : alertSuccess,//查询成功处理函数 }); } function alertSuccess(result) { // 处理返回的数据result alert(result.info); alert(result.product.name); //通过处理result返回的结果集显示到页面 } function searchDataPage() { var currentPageNum=$("#currentPageNum").val(); var url="${pageContext.request.contextPath}/admin/showCanSellProductsAjax.do?currentPageNum="+currentPageNum; window.location.href=url; } </script> <body> <div class="wrapper"> <jsp:include page="side_admin.jsp"></jsp:include> <!-- Content Wrapper. Contains page content --> <div class="content-wrapper"> <!-- Content Header (Page header) --> <section class="content-header"> <div class="container-fluid"> <div class="row mb-2"> <div class="col-sm-6"> <h1>下架商品</h1> </div> </div> </div><!-- /.container-fluid --> </section> <!-- Main content --> <section class="content"> <div class="row"> <div class="col-12"> <div class="card"> <div class="card-header"> <h3 class="card-title">商品列表</h3> </div> <!-- /.card-header --> <div class="card-body"> <table id="example1" class="table table-bordered table-striped"> <thead> <tr> <th>商品编号</th> <th>卖家名字</th> <th>商品名字</th> <th>商品种类</th> <th>商品价格</th> <th>操作</th> </tr> </thead> <tbody> <c:forEach items="${pb.resultList }" var="product" > <tr> <td>${product.id }</td> <td>${product.sellerName }</td> <td>${product.name }</td> <td>${product.categoryName }</td> <td>${product.price }</td> <td> <button type="button" class="btn btn-primary" onclick="downProduct(${product.id })">下架</button> </td> </tr> </c:forEach> </tbody> </table> <%@ include file="/views/util/pageBar.jsp" %> </div> <!-- /.card-body --> </div> <!-- /.card --> </div> <!-- /.col --> </div> </section> <!-- /.content --> </div> <!-- /.content-wrapper --> <footer class="main-footer"> <div class="float-right d-none d-sm-block"> <b></b> </div> <strong>Copyright © 2018 <a href="#">中央财经大学</a>.</strong> All rights reserved. </footer> <!-- Control Sidebar --> <aside class="control-sidebar control-sidebar-dark"> <!-- Control sidebar content goes here --> </aside> <!-- /.control-sidebar --> </div> <!-- ./wrapper --> <input id="PageContext" type="hidden" value="${pageContext.request.contextPath}" /> <!-- jQuery --> <script src="${pageContext.request.contextPath}/conf1/plugins/jquery/jquery.min.js"></script> <!-- Bootstrap 4 --> <script src="${pageContext.request.contextPath}/conf1/plugins/bootstrap/js/bootstrap.bundle.min.js"></script> <!-- FastClick --> <script src="${pageContext.request.contextPath}/conf1/plugins/fastclick/fastclick.js"></script> <!-- AdminLTE App --> <script src="${pageContext.request.contextPath}/conf1/dist/js/adminlte.min.js"></script> <!-- AdminLTE for demo purposes --> <script src="${pageContext.request.contextPath}/conf1/dist/js/demo.js"></script> </body> </html>
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