在jsp上添加treeview,用ajax动态加载节点 在jsp上添加treeview,用ajax动态加载节点,哪位高手帮一下,急用? 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 树的JSP<HTML><HEAD><TITLE>主菜单</TITLE><link rel="stylesheet" type="text/css" href="../../css/style.css" /><META http-equiv=Content-Type content="text/html; charset=gb2312"><script language=JavaScript>var nowid="";function new_req() { if (window.XMLHttpRequest) return new XMLHttpRequest; else if (window.ActiveXObject) { var req; try { req = new ActiveXObject("Msxml2.XMLHTTP"); } catch (e) { try {req = new ActiveXObject("Microsoft.XMLHTTP"); } catch (e) { return null; }} return req; } else return null;}function _get(url, args, fn, sync){ var req = new_req(); if (args != "") args = "?" + args; req.open("GET", url + args, sync); req.onreadystatechange = function() { if (req.readyState == 4) fn(req);}; req.setRequestHeader("If-Modified-Since","0"); req.send('');}function backCheck(req){ if(req.status == 200 || req.status == 0) { if(req.responseText=="") document.all[nowid].innerHTML="<div style='padding:10px;'>无效数据</div>"; else document.all[nowid].innerHTML=req.responseText; } else { document.all[nowid].innerHTML="<div style='padding:10px;'>错误:"+req.status+"</div>"; }}</script></HEAD><BODY class=panel2> <UL class="ul2"> <% for(int i=0;i<10;i++){ %> <LI class="ul2"><A id=<%=sID %> href="javascript:c('<%=sID %>','attid=<%=sAttID %>&caseid=<%=caseid %>&libid=<%=sLibID %>');"><SPAN><IMG id="<%=sID %>m" src="../../image/ar.png"><%=title %></SPAN></A> <UL id=<%=sID %>d style="DISPLAY: none" class="ul2"> </UL></LI> <% } %> </UL> <SCRIPT language=JavaScript>//-------- 菜单点击事件 -------function c(id,param){ var targetid,targetelement; var strbuf; var el=$(id); if(!el) return; //-------- 如果点击了展开或收缩按钮--------- targetid=el.id+"d"; imageid=el.id+"m"; nowid=targetid; targetelement=document.getElementById(targetid); if (targetelement.style.display=="none") { targetelement.style.display=''; $(imageid).src="../../image/arrow_d.png"; if(targetelement.innerHTML==""){ _get("libraryselect.jsp", param, backCheck,true); } } else { targetelement.style.display="none"; $(imageid).src="../../image/ar.png"; }}var $ = function(id) {return document.getElementById(id);};</SCRIPT></BODY></HTML>参数只要sID对应上就行libraryselect.jsp<%@ page language="java" import="java.util.*" pageEncoding="GB2312"%><% response.setContentType("text/html");response.setCharacterEncoding("UTF-8");String attid = request.getParameter("attid");String caseid = request.getParameter("caseid");String libid = request.getParameter("libid");for(int i=0;i<10;i++){%><LI class="li2"><A href="" target="right"><SPAN><IMG src="../../image/page.gif" align=absMiddle>b<%=i %></SPAN></A></LI><%}%>这个页面接收参数 查询树的节点 然后返回 你的这个treeview不是用jquery的插件的做的吧,有用jquery.treeview.js插件做的吗,具体jsp页面程序,还有关于ajax的详细后台程序,谢谢了。 我最近也在看这块东西,推荐你一个:http://www.cnblogs.com/CoreCaiNiao/archive/2010/08/20/1804387.html 关于 自定义标签tld文件里面 定义 属性的值 新手问题。jquery表单验证 什么事HTTP请求的报头,它有什么作用 菜鸟求答,各位请答 java中定义方法的返回类型能不能用传进去的参数来替代 优化别人的代码,求助!!!!!! 解决就给分 高分求助:如何在客户端把通过远程访问的文件保存到客户端本地机呢? 系统退出时应做的事情 servlet好书推荐(入者有分) 关于读取oracle中CLOB字段的javabean问题 定时器 ssh(struts1)整合根据复选框checked的id删除一条记录时在delete方法(dispatchActiong)中得到的id为null谢谢各位前辈了
<HTML><HEAD><TITLE>主菜单</TITLE>
<link rel="stylesheet" type="text/css" href="../../css/style.css" />
<META http-equiv=Content-Type content="text/html; charset=gb2312"><script language=JavaScript>
var nowid="";
function new_req() {
if (window.XMLHttpRequest) return new XMLHttpRequest;
else if (window.ActiveXObject) {
var req;
try { req = new ActiveXObject("Msxml2.XMLHTTP"); }
catch (e) { try {req = new ActiveXObject("Microsoft.XMLHTTP"); }
catch (e) { return null; }}
return req;
} else return null;
}
function _get(url, args, fn, sync)
{ var req = new_req();
if (args != "") args = "?" + args;
req.open("GET", url + args, sync);
req.onreadystatechange = function() { if (req.readyState == 4) fn(req);};
req.setRequestHeader("If-Modified-Since","0");
req.send('');
}
function backCheck(req){
if(req.status == 200 || req.status == 0)
{
if(req.responseText=="")
document.all[nowid].innerHTML="<div style='padding:10px;'>无效数据</div>";
else
document.all[nowid].innerHTML=req.responseText;
}
else
{
document.all[nowid].innerHTML="<div style='padding:10px;'>错误:"+req.status+"</div>";
}
}
</script>
</HEAD>
<BODY class=panel2> <UL class="ul2">
<%
for(int i=0;i<10;i++){ %>
<LI class="ul2"><A id=<%=sID %> href="javascript:c('<%=sID %>','attid=<%=sAttID %>&caseid=<%=caseid %>&libid=<%=sLibID %>');"><SPAN><IMG id="<%=sID %>m" src="../../image/ar.png"><%=title %></SPAN></A>
<UL id=<%=sID %>d style="DISPLAY: none" class="ul2">
</UL></LI>
<%
}
%>
</UL>
<SCRIPT language=JavaScript>//-------- 菜单点击事件 -------
function c(id,param)
{
var targetid,targetelement;
var strbuf; var el=$(id);
if(!el)
return;
//-------- 如果点击了展开或收缩按钮---------
targetid=el.id+"d";
imageid=el.id+"m";
nowid=targetid;
targetelement=document.getElementById(targetid); if (targetelement.style.display=="none")
{
targetelement.style.display='';
$(imageid).src="../../image/arrow_d.png";
if(targetelement.innerHTML==""){
_get("libraryselect.jsp", param, backCheck,true);
}
}
else
{
targetelement.style.display="none";
$(imageid).src="../../image/ar.png";
}
}
var $ = function(id) {return document.getElementById(id);};</SCRIPT>
</BODY></HTML>
参数只要sID对应上就行libraryselect.jsp
<%@ page language="java" import="java.util.*" pageEncoding="GB2312"%><%
response.setContentType("text/html");
response.setCharacterEncoding("UTF-8");
String attid = request.getParameter("attid");
String caseid = request.getParameter("caseid");
String libid = request.getParameter("libid");
for(int i=0;i<10;i++){%>
<LI class="li2"><A href="" target="right"><SPAN><IMG src="../../image/page.gif" align=absMiddle>b<%=i %></SPAN></A></LI>
<%
}
%>
这个页面接收参数 查询树的节点 然后返回
插件做的吗,具体jsp页面程序,还有关于ajax的详细后台程序,谢谢了。
http://www.cnblogs.com/CoreCaiNiao/archive/2010/08/20/1804387.html