10.旅游线路名称查询
10.1查询参数的传递
在header.html中
<!-- 头部 start -->
<script src="js/getParameter.js"></script>
<script>
$(function () {
//查询用户信息
$.get("user/findOne", {}, function (data) {
//{uid:1,name:‘李四‘}
var msg = "欢迎回来，" + data.name;
$("#span_username").html(msg);
});
//查询分类数据
$.get("category/findAll", {}, function (data) {
//[{cid:1,cname:国内游},{},{}]
var lis = ‘<li class="nav-active"><a href="index.html">首页</a></li>‘;
//遍历数组，拼接字符串
for (var i = 0; i < data.length; i++) {
var li = ‘ <li><a href="favoriterank.html?cid=‘ + data[i].cid + ‘">‘ + data[i].cname + ‘</a></li>‘
lis += li;
}
//拼接收藏榜的li
lis += ‘ <li><a href="favoriterank.html">收藏排行榜</a></li>‘;
//将lis中的内容设置到ul的html中
$("#category").html(lis);
});
//给搜索按钮绑定单击事件，获取搜索输入框的内容
$("#search-button").click(function () {
//线路名称
//线路名称
var rname = $("#search_input").val();
// 跳转路径 http://localhost/travel/route_list.html?cid=5，拼接上rname=xxx
var cid = getParameter("cid");
location.href="http://localhost/travel/route_list.html?cid="+cid+"&rname="+rname;
});
});
</script>
<!-- 头部 start -->
<header id="header">
<div class="top_banner">
<img src="images/top_banner.jpg" alt="">
</div>
<div class="shortcut">
<!-- 未登录状态 -->
<div class="login_out">
<a href="login.html">登录</a>
<a href="register.html">注册</a>
</div>
<!-- 登录状态 -->
<div class="login">
<span id="span_username"> </span>
<a href="myfavorite.html" class="collection">我的收藏</a>
<a href="javascript:location.href=‘exitServlet‘;">退出</a>
</div>
</div>
<div class="header_wrap">
<div class="topbar">
<div class="logo">
<a href="/"><img src="images/logo.jpg" alt=""></a>
</div>
<div class="search">
<input name="" id = "search_input" type="text" placeholder="请输入路线名称" class="search_input" autocomplete="off">
<a href="javascript:;" id = "search-button" class="search-button">搜索</a>
</div>
<div class="hottel">
<div class="hot_pic">
<img src="images/hot_tel.jpg" alt="">
</div>
<div class="hot_tel">
<p class="hot_time">客服热线(9:00-6:00)</p>
<p class="hot_num">400-618-9090</p>
</div>
</div>
</div>
</div>
</header>
<!-- 头部 end -->
<!-- 首页导航 -->
<div class="navitem">
<ul id="category" class="nav">
<!-- <li class="nav-active"><a href="index.html">首页</a></li>
<li><a href="route_list.html">门票</a></li>
<li><a href="route_list.html">酒店</a></li>
<li><a href="route_list.html">香港车票</a></li>
<li><a href="route_list.html">出境游</a></li>
<li><a href="route_list.html">国内游</a></li>
<li><a href="route_list.html">港澳游</a></li>
<li><a href="route_list.html">抱团定制</a></li>
<li><a href="route_list.html">全球自由行</a></li>
<li><a href="favoriterank.html">收藏排行榜</a></li>-->
</ul>
</div>
在route_list.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>黑马旅游-搜索</title>
<link rel="stylesheet" type="text/css" href="css/common.css">
<link rel="stylesheet" href="css/search.css">
<script src="js/jquery-3.3.1.js"></script>
<script src="js/getParameter.js"></script>
<script>
$(function () {
/* var search = location.search;
//alert(search);//?id=5
// 切割字符串，拿到第二个值
var cid = search.split("=")[1];*/
//获取cid的参数值
var cid = getParameter("cid");
//获取rname的参数值
var rname = getParameter("rname");
//判断rname如果不为null或者""
if(rname){
//url解码
rname = window.decodeURIComponent(rname);
}
//当页码加载完成后，调用load方法，发送ajax请求加载数据
load(cid);
});
function load(cid, currentPage) {
//发送ajax请求，请求route/pageQuery,传递cid
$.get("route/pageQuery", {cid: cid, currentPage: currentPage}, function (pb) {
//解析pagebean数据，展示到页面上
//1.分页工具条数据展示
//1.1 展示总页码和总记录数
$("#totalPage").html(pb.totalPage);
$("#totalCount").html(pb.totalCount);
var lis = "";
var firstPage = ‘ <li onclick="javascript:load(‘ + cid + ‘)"><a href="javascript:void(0)">首页</a></li>‘;
//计算上一页的页码
var beforeNum = pb.currentPage - 1;
if (beforeNum <= 0) {
beforeNum = 1;
}
var beforePage = ‘<li onclick="javascipt:load(‘ + cid + ‘,‘ + beforeNum + ‘)" class="threeword"><a href="javascript:void(0)">上一页</a></li>‘;
lis += firstPage;
lis += beforePage;
/*for (var i = 1; i <= pb.totalPage; i++) {
//创建页码的li
var li;
//判断当前页码是否等于i
if (pb.currentPage == i) {
li = ‘ <li class="curPage" onclick="javascript:load(‘ + cid + ‘,‘ + i + ‘)"><a href="javascript:void(0)">‘ + i + ‘</a></li>‘;
} else {
var li = ‘ <li onclick="javascript:load(‘ + cid + ‘,‘ + i + ‘)"><a href="javascript:void(0)">‘ + i + ‘</a></li>‘;
}
//拼接字符串
lis += li;
}*/
//1.2 展示分页页码
/*
1.一共展示10个页码，能够达到前5后4的效果
2.如果前边不够5个，后边补齐10个
3.如果后边不足4个，前边补齐10个
*/
// 定义开始位置begin,结束位置 end
var begin; // 开始位置
var end; // 结束位置
//1.要显示10个页码
if (pb.totalPage < 10) {
//总页码不够10页
begin = 1;
end = pb.totalPage;
} else {
//总页码超过10页
begin = pb.currentPage - 5;
end = pb.currentPage + 4;
//2.如果前边不够5个，后边补齐10个
if (begin < 1) {
begin = 1;
end = begin + 9;
}
//3.如果后边不足4个，前边补齐10个
if (end > pb.totalPage) {
end = pb.totalPage;
begin = end - 9;
}
}
for (var i = begin; i <= end; i++) {
var li;
//判断当前页码是否等于i
if (pb.currentPage == i) {
li = ‘<li class="curPage" onclick="javascipt:load(‘ + cid + ‘,‘ + i + ‘)"><a href="javascript:void(0)">‘ + i + ‘</a></li>‘;
} else {
//创建页码的li
li = ‘<li onclick="javascipt:load(‘ + cid + ‘,‘ + i + ‘)"><a href="javascript:void(0)">‘ + i + ‘</a></li>‘;
}
//拼接字符串
lis += li;
}
var lastNum = pb.totalPage;
var lastPage = ‘<li onclick="javascript:load(‘ + cid + ‘,‘ + lastNum + ‘)"><a href="javascript:void(0)">末页</a></li>‘;
var nextNum = pb.currentPage + 1;
if (nextNum > lastNum) {
nextNum = lastNum;
}
var nextPage = ‘<li onclick="javascipt:load(‘ + cid + ‘,‘ + nextNum + ‘)" class="threeword"><a href="javascript:void(0)">下一页</a></li>‘;
lis += nextPage;
lis += lastPage;
//奖lis内容设置到ul中
$("#pageNum").html(lis);
//2.列表数据展示
//2.列表数据展示
var route_lis = "";
for (var i = 0; i < pb.list.length; i++) {
//获取{rid:1,rname:"xxx"}
var route = pb.list[i];
var li = ‘<li>\n‘ +
‘ <div class="img"><img src="‘ + route.rimage + ‘" style="width: 299px;"></div>\n‘ +
‘ <div class="text1">\n‘ +
‘ <p>‘ + route.rname + ‘</p>\n‘ +
‘ <br/>\n‘ +
‘ <p>‘ + route.routeIntroduce + ‘</p>\n‘ +
‘ </div>\n‘ +
‘ <div class="price">\n‘ +
‘ <p class="price_num">\n‘ +
‘ <span>¥</span>\n‘ +
‘ <span>‘ + route.price + ‘</span>\n‘ +
‘ <span>起</span>\n‘ +
‘ </p>\n‘ +
‘ <p><a href="route_detail.html">查看详情</a></p>\n‘ +
‘ </div>\n‘ +
‘ </li>‘;
route_lis += li;
}
$("#route").html(route_lis);
//定位到页面顶部
window.scrollTo(0,0);
});
}
</script>
</head>
<body>
<!--引入头部-->
<div id="header"></div>
<div class="page_one">
<div class="contant">
<div class="crumbs">
<img src="images/search.png" alt="">
<p>黑马旅行><span>搜索结果</span></p>
</div>
<div class="xinxi clearfix">
<div class="left">
<div class="header">
<span>商品信息</span>
<span class="jg">价格</span>
</div>
<ul id="route">
<!-- <li >
<div class="img"><img src="images/04-search_03.jpg" ></div>
<div class="text1">
<p>【减100元 含除夕/春节出发】广州增城三英温泉度假酒店/自由行套票</p>
<br/>
<p>1-2月出发，网付立享￥1099/2人起！爆款位置有限，抢完即止！</p>
</div>
<div class="price">
<p class="price_num">
<span>¥</span>
<span>299</span>
<span>起</span>
</p>
<p><a href="route_detail.html">查看详情</a></p>
</div>
</li>-->
</ul>
<div class="page_num_inf">
<i></i> 共
<span id="totalPage"> </span>页<span id="totalCount"> </span>条
</div>
<div class="pageNum">
<ul id="pageNum">
<!-- <li><a href="">首页</a></li>
<li class="threeword"><a href="#">上一页</a></li>
<li><a href="#">1</a></li>
<li><a href="#">2</a></li>
<li class="threeword"><a href="javascript:;">下一页</a></li>
<li class="threeword"><a href="javascript:;">末页</a></li>-->
</ul>
</div>
</div>
<div class="right">
<div class="top">
<div class="hot">HOT</div>
<span>热门推荐</span>
</div>
<ul>
<li>
<div class="left"><img src="images/04-search_09.jpg" alt=""></div>
<div class="right">
<p>清远新银盏温泉度假村酒店/自由行套...</p>
<p>网付价<span>¥<span>899</span>起</span>
</p>
</div>
</li>
<li>
<div class="left"><img src="images/04-search_09.jpg" alt=""></div>
<div class="right">
<p>清远新银盏温泉度假村酒店/自由行套...</p>
<p>网付价<span>¥<span>899</span>起</span>
</p>
</div>
</li>
<li>
<div class="left"><img src="images/04-search_09.jpg" alt=""></div>
<div class="right">
<p>清远新银盏温泉度假村酒店/自由行套...</p>
<p>网付价<span>¥<span>899</span>起</span>
</p>
</div>
</li>
<li>
<div class="left"><img src="images/04-search_09.jpg" alt=""></div>
<div class="right">
<p>清远新银盏温泉度假村酒店/自由行套...</p>
<p>网付价<span>¥<span>899</span>起</span>
</p>
</div>
</li>
<li>
<div class="left"><img src="images/04-search_09.jpg" alt=""></div>
<div class="right">
<p>清远新银盏温泉度假村酒店/自由行套...</p>
<p>网付价<span>¥<span>899</span>起</span>
</p>
</div>
</li>
</ul>
</div>
</div>
</div>
</div>
<!--引入头部-->
<div id="footer"></div>
<!--导入布局js，共享header和footer-->
<script type="text/javascript" src="js/include.js"></script>
</body>
</html>
10.2修改后台代码
Servlet
package cn.itcast.travel.web.servlet;
import cn.itcast.travel.domain.PageBean;
import cn.itcast.travel.domain.Route;
import cn.itcast.travel.service.RouteService;
import cn.itcast.travel.service.impl.RouteServiceImpl;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
@WebServlet("/route/*")
public class RouteServlet extends BaseServlet {
private RouteService routeService = new RouteServiceImpl();
/*
分页查询
*/
public void pageQuery(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
//1.接受参数
String currentPageStr = request.getParameter("currentPage");
String pageSizeStr = request.getParameter("pageSize");
String cidStr = request.getParameter("cid");
//接受rname路线名称
String rname = request.getParameter("rname");
rname = new String(rname.getBytes("iso-8859-1"),"utf-8");
//2.处理参数
int cid = 0;//类别id
if (cidStr != null && cidStr.length() > 0) {
cid = Integer.parseInt(cidStr);
}
int currentPage = 0;//当前页码，默认为第一页
if (currentPageStr != null && currentPageStr.length() > 0) {
currentPage = Integer.parseInt(currentPageStr);
} else {
currentPage = 1;
}
int pageSize = 0;//每页显示条数，默认显示5条
if (pageSizeStr != null && pageSizeStr.length() > 0) {
pageSize = Integer.parseInt(pageSizeStr);
} else {
pageSize = 5;
}
//3. 调用service查询PageBean对象
PageBean<Route> pb = routeService.pageQuery(cid, currentPage, pageSize,rname);
//4. 将pageBean对象序列化为json，返回
writeValue(pb, response);
}
}
Service
package cn.itcast.travel.service;
import cn.itcast.travel.domain.PageBean;
import cn.itcast.travel.domain.Route;
public interface RouteService {
/*
根据类别进行分页查询
*/
PageBean<Route> pageQuery(int cid, int currentPage, int pageSize,String rname);
}
package cn.itcast.travel.service.impl;
import cn.itcast.travel.dao.RouteDao;
import cn.itcast.travel.dao.impl.RouteDaoImpl;
import cn.itcast.travel.domain.PageBean;
import cn.itcast.travel.domain.Route;
import cn.itcast.travel.service.RouteService;
import java.util.List;
public class RouteServiceImpl implements RouteService {
private RouteDao routeDao = new RouteDaoImpl();
@Override
public PageBean<Route> pageQuery(int cid, int currentPage, int pageSize,String rname) {
//封装pageBean
PageBean<Route> pb = new PageBean<>();
//设置当前页码
pb.setCurrentPage(currentPage);
//设置每页显示条数
pb.setPageSize(pageSize);
//设置总记录数
int totalCount = routeDao.findTotalCount(cid,rname);
pb.setTotalCount(totalCount);
//设置当前页显示的数据集合
int start = (currentPage - 1) * pageSize;//开始的记录数
List<Route> list = routeDao.findByPage(cid,start,pageSize,rname);
pb.setList(list);
//设置总页数 = 总记录数/每页显示条数
int totalPage = totalCount % pageSize == 0 ? totalCount / pageSize :(totalCount / pageSize) + 1 ;
pb.setTotalPage(totalPage);
return pb;
}
}
Dao
package cn.itcast.travel.dao;
import cn.itcast.travel.domain.Route;
import java.util.List;
public interface RouteDao {
/*
根据cid查询总记录数
*/
int findTotalCount(int cid, String rname);
/*
根据cid，start，pageSize查询当前页的数据集合
*/
List<Route> findByPage(int cid, int start, int pageSize, String rname);
}
package cn.itcast.travel.dao.impl;
import cn.itcast.travel.dao.RouteDao;
import cn.itcast.travel.domain.Route;
import cn.itcast.travel.util.JDBCUtils;
import org.springframework.jdbc.core.BeanPropertyRowMapper;
import org.springframework.jdbc.core.JdbcTemplate;
import java.util.ArrayList;
import java.util.List;
public class RouteDaoImpl implements RouteDao {
private JdbcTemplate template = new JdbcTemplate(JDBCUtils.getDataSource());
@Override
public int findTotalCount(int cid, String rname) {
// String sql = "select count(*) from tab_route where cid = ?";
//1.定义sql模板
String sql = "select count(*) from tab_route where 1=1 ";
StringBuilder sb = new StringBuilder(sql);
List params = new ArrayList();//条件们
//2.判断参数是否有值
if(cid != 0){
sb.append( " and cid = ? ");
params.add(cid);//添加？对应的值
}
if(rname != null && rname.length() > 0){
sb.append(" and rname like ? ");
params.add("%"+rname+"%");
}
sql = sb.toString();
return template.queryForObject(sql,Integer.class,params.toArray());
}
@Override
public List<Route> findByPage(int cid, int start, int pageSize, String rname) {
//String sql = "select * from tab_route where cid = ? and rname like ? limit ? , ?";
String sql = " select * from tab_route where 1 = 1 ";
//1.定义sql模板
StringBuilder sb = new StringBuilder(sql);
List params = new ArrayList();//条件们
//2.判断参数是否有值
if(cid != 0){
sb.append( " and cid = ? ");
params.add(cid);//添加？对应的值
}
if(rname != null && rname.length() > 0){
sb.append(" and rname like ? ");
params.add("%"+rname+"%");
}
sb.append(" limit ? , ? ");//分页条件
sql = sb.toString();
params.add(start);
params.add(pageSize);
return template.query(sql,new BeanPropertyRowMapper<Route>(Route.class),params.toArray()); }
}
10.3修改前台代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>黑马旅游-搜索</title>
<link rel="stylesheet" type="text/css" href="css/common.css">
<link rel="stylesheet" href="css/search.css">
<script src="js/jquery-3.3.1.js"></script>
<script src="js/getParameter.js"></script>
<script>
$(function () {
/* var search = location.search;
//alert(search);//?id=5
// 切割字符串，拿到第二个值
var cid = search.split("=")[1];*/
//获取cid的参数值
var cid = getParameter("cid");
//获取rname的参数值
var rname = getParameter("rname");
//判断rname如果不为null或者""
if(rname){
//url解码
rname = window.decodeURIComponent(rname);
}
//当页码加载完成后，调用load方法，发送ajax请求加载数据
load(cid,null,rname);
});
function load(cid, currentPage,rname) {
//发送ajax请求，请求route/pageQuery,传递cid
$.get("route/pageQuery", {cid: cid, currentPage: currentPage,rname:rname}, function (pb) {
//解析pagebean数据，展示到页面上
//1.分页工具条数据展示
//1.1 展示总页码和总记录数
$("#totalPage").html(pb.totalPage);
$("#totalCount").html(pb.totalCount);
var lis = "";
var firstPage = ‘ <li onclick="javascript:load(‘+cid+‘,1,\‘‘+rname+‘\‘)"><a href="javascript:void(0)">首页</a></li>‘;
//计算上一页的页码
var beforeNum = pb.currentPage - 1;
if (beforeNum <= 0) {
beforeNum = 1;
}
var beforePage = ‘<li onclick="javascipt:load(‘+cid+‘,‘+beforeNum+‘,\‘‘+rname+‘\‘)" class="threeword"><a href="javascript:void(0)">上一页</a></li>‘;
lis += firstPage;
lis += beforePage;
/*for (var i = 1; i <= pb.totalPage; i++) {
//创建页码的li
var li;
//判断当前页码是否等于i
if (pb.currentPage == i) {
li = ‘ <li class="curPage" onclick="javascript:load(‘ + cid + ‘,‘ + i + ‘)"><a href="javascript:void(0)">‘ + i + ‘</a></li>‘;
} else {
var li = ‘ <li onclick="javascript:load(‘ + cid + ‘,‘ + i + ‘)"><a href="javascript:void(0)">‘ + i + ‘</a></li>‘;
}
//拼接字符串
lis += li;
}*/
//1.2 展示分页页码
/*
1.一共展示10个页码，能够达到前5后4的效果
2.如果前边不够5个，后边补齐10个
3.如果后边不足4个，前边补齐10个
*/
// 定义开始位置begin,结束位置 end
var begin; // 开始位置
var end; // 结束位置
//1.要显示10个页码
if (pb.totalPage < 10) {
//总页码不够10页
begin = 1;
end = pb.totalPage;
} else {
//总页码超过10页
begin = pb.currentPage - 5;
end = pb.currentPage + 4;
//2.如果前边不够5个，后边补齐10个
if (begin < 1) {
begin = 1;
end = begin + 9;
}
//3.如果后边不足4个，前边补齐10个
if (end > pb.totalPage) {
end = pb.totalPage;
begin = end - 9;
}
}
for (var i = begin; i <= end; i++) {
var li;
//判断当前页码是否等于i
if (pb.currentPage == i) {
li = ‘<li class="curPage" onclick="javascipt:load(‘+cid+‘,‘+i+‘,\‘‘+rname+‘\‘)"><a href="javascript:void(0)">‘ + i + ‘</a></li>‘;
} else {
//创建页码的li
li = ‘<li onclick="javascipt:load(‘+cid+‘,‘+i+‘,\‘‘+rname+‘\‘)"><a href="javascript:void(0)">‘ + i + ‘</a></li>‘;
}
//拼接字符串
lis += li;
}
var lastNum = pb.totalPage;
var lastPage = ‘<li onclick="javascript:load(‘+cid+‘,‘+lastNum+‘,\‘‘+rname+‘\‘)"><a href="javascript:void(0)">末页</a></li>‘;
var nextNum = pb.currentPage + 1;
if (nextNum > lastNum) {
nextNum = lastNum;
}
var nextPage = ‘<li onclick="javascipt:load(‘+cid+‘,‘+nextNum+‘,\‘‘+rname+‘\‘)" class="threeword"><a href="javascript:void(0)">下一页</a></li>‘;
lis += nextPage;
lis += lastPage;
//奖lis内容设置到ul中
$("#pageNum").html(lis);
//2.列表数据展示
//2.列表数据展示
var route_lis = "";
for (var i = 0; i < pb.list.length; i++) {
//获取{rid:1,rname:"xxx"}
var route = pb.list[i];
var li = ‘<li>\n‘ +
‘ <div class="img"><img src="‘ + route.rimage + ‘" style="width: 299px;"></div>\n‘ +
‘ <div class="text1">\n‘ +
‘ <p>‘ + route.rname + ‘</p>\n‘ +
‘ <br/>\n‘ +
‘ <p>‘ + route.routeIntroduce + ‘</p>\n‘ +
‘ </div>\n‘ +
‘ <div class="price">\n‘ +
‘ <p class="price_num">\n‘ +
‘ <span>¥</span>\n‘ +
‘ <span>‘ + route.price + ‘</span>\n‘ +
‘ <span>起</span>\n‘ +
‘ </p>\n‘ +
‘ <p><a href="route_detail.html">查看详情</a></p>\n‘ +
‘ </div>\n‘ +
‘ </li>‘;
route_lis += li;
}
$("#route").html(route_lis);
//定位到页面顶部
window.scrollTo(0,0);
});
}
</script>
</head>
<body>
<!--引入头部-->
<div id="header"></div>
<div class="page_one">
<div class="contant">
<div class="crumbs">
<img src="images/search.png" alt="">
<p>黑马旅行><span>搜索结果</span></p>
</div>
<div class="xinxi clearfix">
<div class="left">
<div class="header">
<span>商品信息</span>
<span class="jg">价格</span>
</div>
<ul id="route">
<!-- <li >
<div class="img"><img src="images/04-search_03.jpg" ></div>
<div class="text1">
<p>【减100元 含除夕/春节出发】广州增城三英温泉度假酒店/自由行套票</p>
<br/>
<p>1-2月出发，网付立享￥1099/2人起！爆款位置有限，抢完即止！</p>
</div>
<div class="price">
<p class="price_num">
<span>¥</span>
<span>299</span>
<span>起</span>
</p>
<p><a href="route_detail.html">查看详情</a></p>
</div>
</li>-->
</ul>
<div class="page_num_inf">
<i></i> 共
<span id="totalPage"> </span>页<span id="totalCount"> </span>条
</div>
<div class="pageNum">
<ul id="pageNum">
<!-- <li><a href="">首页</a></li>
<li class="threeword"><a href="#">上一页</a></li>
<li><a href="#">1</a></li>
<li><a href="#">2</a></li>
<li class="threeword"><a href="javascript:;">下一页</a></li>
<li class="threeword"><a href="javascript:;">末页</a></li>-->
</ul>
</div>
</div>
<div class="right">
<div class="top">
<div class="hot">HOT</div>
<span>热门推荐</span>
</div>
<ul>
<li>
<div class="left"><img src="images/04-search_09.jpg" alt=""></div>
<div class="right">
<p>清远新银盏温泉度假村酒店/自由行套...</p>
<p>网付价<span>¥<span>899</span>起</span>
</p>
</div>
</li>
<li>
<div class="left"><img src="images/04-search_09.jpg" alt=""></div>
<div class="right">
<p>清远新银盏温泉度假村酒店/自由行套...</p>
<p>网付价<span>¥<span>899</span>起</span>
</p>
</div>
</li>
<li>
<div class="left"><img src="images/04-search_09.jpg" alt=""></div>
<div class="right">
<p>清远新银盏温泉度假村酒店/自由行套...</p>
<p>网付价<span>¥<span>899</span>起</span>
</p>
</div>
</li>
<li>
<div class="left"><img src="images/04-search_09.jpg" alt=""></div>
<div class="right">
<p>清远新银盏温泉度假村酒店/自由行套...</p>
<p>网付价<span>¥<span>899</span>起</span>
</p>
</div>
</li>
<li>
<div class="left"><img src="images/04-search_09.jpg" alt=""></div>
<div class="right">
<p>清远新银盏温泉度假村酒店/自由行套...</p>
<p>网付价<span>¥<span>899</span>起</span>
</p>
</div>
</li>
</ul>
</div>
</div>
</div>
</div>
<!--引入头部-->
<div id="footer"></div>
<!--导入布局js，共享header和footer-->
<script type="text/javascript" src="js/include.js"></script>
</body>
</html>
注：RouteServlet中的有个小判断也要改
package cn.itcast.travel.web.servlet;
import cn.itcast.travel.domain.PageBean;
import cn.itcast.travel.domain.Route;
import cn.itcast.travel.service.RouteService;
import cn.itcast.travel.service.impl.RouteServiceImpl;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
@WebServlet("/route/*")
public class RouteServlet extends BaseServlet {
private RouteService routeService = new RouteServiceImpl();
/*
分页查询
*/
public void pageQuery(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
//1.接受参数
String currentPageStr = request.getParameter("currentPage");
String pageSizeStr = request.getParameter("pageSize");
String cidStr = request.getParameter("cid");
//接受rname路线名称
String rname = request.getParameter("rname");
rname = new String(rname.getBytes("iso-8859-1"),"utf-8");
//2.处理参数
int cid = 0;//类别id
if(cidStr != null && cidStr.length() > 0 && !"null".equals(cidStr)){
cid = Integer.parseInt(cidStr);
}
int currentPage = 0;//当前页码，默认为第一页
if (currentPageStr != null && currentPageStr.length() > 0) {
currentPage = Integer.parseInt(currentPageStr);
} else {
currentPage = 1;
}
int pageSize = 0;//每页显示条数，默认显示5条
if (pageSizeStr != null && pageSizeStr.length() > 0) {
pageSize = Integer.parseInt(pageSizeStr);
} else {
pageSize = 5;
}
//3. 调用service查询PageBean对象
PageBean<Route> pb = routeService.pageQuery(cid, currentPage, pageSize,rname);
//4. 将pageBean对象序列化为json，返回
writeValue(pb, response);
}
}
原文地址：https://www.cnblogs.com/xinmomoyan/p/11963401.html
时间： 2024-11-13 09:13:08