基于Java与JSP实现的树形结构展示-优快云博客

jsp页面：

java代码：

/**
* 转向树结构
* @param request
* @return
*/
@RequestMapping("/totreeList")
public ModelAndView totreeList(HttpServletRequest request){
  User user = (User) request.getSession().getAttribute("user");
  request.getSession().setAttribute("user", user);
  List list = busTrackManager.getTrackList(user.getUserId());
  ModelAndView md = new ModelAndView();
  if(request.getParameter("openid")!=null){
   md.addObject("id", request.getParameter("openid"));
  }
  md.setViewName("/busTrack/treeUI");
  md.addObject("list", list);
  return md;

}

jsp代码：

<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ include file="/WEB-INF/pages/commons/taglibs.jsp"%>

<html>
<head>
<base href="${basePath}" />
<%@ include file="/WEB-INF/pages/commons/meta.jsp"%>
<title>菜单Tree</title>
<link rel="stylesheet" type="text/css"
href="scripts/jqueryEasyUI/themes/default/easyui.css">
<link rel="stylesheet" type="text/css" href="scripts/jqueryEasyUI/themes/icon.css">
<script type="text/javascript" src="scripts/jqueryEasyUI/src/jquery-1.3.2.min.js"></script>
<script type="text/javascript" src="scripts/jqueryEasyUI/src/jquery.easyui.min.js"></script>
<script type="text/javascript" src="scripts/tree/dtreez.js"></script>
<link href="scripts/tree/dtreez.css" rel="stylesheet" type="text/css" />
</head>
<body>
<div title="" region="center">
<p></p>
<div class="dtree" align="left"><c:out
value="<script type='text/javascript'>" escapeXml="false" /> <c:out
value="d = new dTree('d');" escapeXml="false" /> <c:out
value="d.add(${sessionScope.user.userId},-1,'自己','javascript:window.parent.toJg(${sessionScope.user.userId})');"
escapeXml="false" /> <c:forEach items="${list}" var="ls"
varStatus="li">
<c:out
value="d.add(${ls.userId},${ls.fatherId},'${ls.userName}','javascript:window.parent.toJg(${ls.userId })');"
escapeXml="false" />
</c:forEach> <c:out value="document.write(d);d.openTo('${id}');" escapeXml="false" />
<c:out value="</script>" escapeXml="false" /></div>
</div>