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jQuery treeview 在jsp中的应用

JSPjQueryJavaScriptCSSC# 
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2. navigation.jsp

<%@ page language="java" contentType="text/html; charset=UTF-8"

    pageEncoding="UTF-8"%>

<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>

<%@ taglib prefix="sql" uri="http://java.sun.com/jsp/jstl/sql"%>

<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt"%>

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">

<html>

    <head>

       <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

       <title>Insert title here</title>

       <link rel="stylesheet" href="css/jquery.treeview.css" />

       <link rel="stylesheet" href="css/screen.css" />

 

       <script src="javascript/jquery.js" type="text/javascript"></script>

       <script src="javascript/jquery.cookie.js" type="text/javascript"></script>

       <script src="javascript/jquery.treeview.js" type="text/javascript"></script>

       <script type="text/javascript">

           $(document).ready(function(){

              $("#navigation").treeview({

                  control: "#treecontrol",

                  persist: "location",

                  collapsed: true

              });

           });

       </script>

    </head>

    <body>

       <h1 id="banner">

           <a

              href="http://bassistance.de/jquery-plugins/jquery-plugin-treeview/">jQuery

              Treeview Plugin</a> Demo

       </h1>

       <div id="main">

           <a href=".">Main</a>

           <h4>

              Sample - navigation

           </h4>

           <div id="treecontrol">

              <a title="Collapse the entire tree below" href="#"><img

                     src="images/minus.gif" /> Collapse All</a>

              <a title="Expand the entire tree below" href="#"><img

                     src="images/plus.gif" /> Expand All</a>

              <a

                  title="Toggle the tree below, opening closed branches, closing open branches"

                  href="#">Toggle All</a>

           </div>

           <ul id="navigation">

              <c:forEach var="list" items="${list}">

                  <li>

                     ${list.item}

                     <c:if test="${empty list.itemsForItemId == false}">

                         <ul>

                            <c:forEach var="list1" items="${list.itemsForItemId}">

                                <li>

                                   ${list1.item}

                                </li>

                            </c:forEach>

                         </ul>

                     </c:if>

                  </li>

              </c:forEach>

           </ul>

       </div>

    </body>

</html>

 

3. TestController

@Controller

public class TestController {

 

    @Autowired

    TestDao testDao;

 

    @RequestMapping("/navigation.html")

    public String navigation(HttpServletRequest request) {

       request.setAttribute("list", testDao.findTopItem());

       return "navigation";

    }

 

    @RequestMapping("/async.html")

    public String async(HttpServletRequest request) {

       return "async";

    }

}

 

 

4. TestDaoImpl

@Repository("testDao")

public class TestDaoImpl extends HibernateBaseDao implements TestDao {

    @SuppressWarnings("unchecked")

    public List<Item> findTopItem() {

       return getHibernateTemplate().find("from Item where itemLevel = 1");

    }

 

    @SuppressWarnings("unchecked")

    public List<Item> find(Long itemId) {

       return getHibernateTemplate().find("from Item a where a.itemId = ?",

              itemId);

    }

 

    @SuppressWarnings("unchecked")

    public List<Item> findSubItem(Long itemId) {

       List<Item> list = new ArrayList();

       List<Item> itemList = find(itemId);

 

       Set<Item> subList = itemList.get(0).getItemsForItemId();

       for (Item item2 : subList) {

           list.add(item2);

       }

       return list;

    }

 

    public Boolean hasSubItem(Long itemId) {

       Boolean ret = false;

       List<Item> subList = findSubItem(itemId);

       if (!subList.isEmpty()) {

           ret = lang

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