旅游网项目3
Posted xinmomoyan
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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> ‘ + ‘ <div class="img"><img src="‘ + route.rimage + ‘" style="width: 299px;"></div> ‘ + ‘ <div class="text1"> ‘ + ‘ <p>‘ + route.rname + ‘</p> ‘ + ‘ <br/> ‘ + ‘ <p>‘ + route.routeIntroduce + ‘</p> ‘ + ‘ </div> ‘ + ‘ <div class="price"> ‘ + ‘ <p class="price_num"> ‘ + ‘ <span>¥</span> ‘ + ‘ <span>‘ + route.price + ‘</span> ‘ + ‘ <span>起</span> ‘ + ‘ </p> ‘ + ‘ <p><a href="route_detail.html">查看详情</a></p> ‘ + ‘ </div> ‘ + ‘ </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> ‘ + ‘ <div class="img"><img src="‘ + route.rimage + ‘" style="width: 299px;"></div> ‘ + ‘ <div class="text1"> ‘ + ‘ <p>‘ + route.rname + ‘</p> ‘ + ‘ <br/> ‘ + ‘ <p>‘ + route.routeIntroduce + ‘</p> ‘ + ‘ </div> ‘ + ‘ <div class="price"> ‘ + ‘ <p class="price_num"> ‘ + ‘ <span>¥</span> ‘ + ‘ <span>‘ + route.price + ‘</span> ‘ + ‘ <span>起</span> ‘ + ‘ </p> ‘ + ‘ <p><a href="route_detail.html">查看详情</a></p> ‘ + ‘ </div> ‘ + ‘ </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); } }
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