jquery zTree异步加载简单实例分享
更新时间：2013年02月05日 10:26:18 作者：
Ztree是一个使用jQuery实现的JSP页面的各种功能树，本文介绍一个异步获取数据到下拉树的实现方式,感兴趣的朋友可以了解下，或许对你学习ztree有所帮助
首先提供Ztree官方网站http://www.ztree.me。
Ztree是一个使用jQuery实现的JSP页面的各种功能树，本文介绍一个异步获取数据到下拉树的实现方式。
当前版本Ztree 3.5.01
simple.html
<!DOCTYPE html>
<html>
<head>
<title>simple.html</title>
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="this is my page">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link rel="stylesheet" type="text/css" href="css/zTreeStyle.css">
<script type="text/javascript" src="js/jquery.js"></script>
<script type="text/javascript" src="js/jquery.ztree.core-3.5.js"></script>
<script type="text/javascript" src="js/jquery.ztree.excheck-3.5.min.js"></script>
<!-- <script type="text/javascript" src="js/standard.js"></script> -->
<script type="text/javascript" src="js/1.js"></script>
</head>
<body>
<div class="zTreeDemoBackground left"><ul id="treeDemo" class="ztree"></ul></div>
</body>
</html>
js
var setting = {
data: {
simpleData: {
enable: true
// idKey:"id",
// pIdKey:"pId",
}
}
,async: {
enable: true,
url:"/Java_Solr/servlet/ZTreeSerlvet",
autoParam:["id", "name"],
otherParam:{"otherParam":"zTreeAsyncTest"},
// dataType: "text",//默认text
// type:"get",//默认post
dataFilter: filter //异步返回后经过Filter
}
,callback:{
// beforeAsync: zTreeBeforeAsync, // 异步加载事件之前得到相应信息
asyncSuccess: zTreeOnAsyncSuccess,//异步加载成功的fun
asyncError: zTreeOnAsyncError, //加载错误的fun
beforeClick:beforeClick //捕获单击节点之前的事件回调函数
}
};
//treeId是treeDemo
function filter(treeId, parentNode, childNodes) {
if (!childNodes) return null;
for (var i=0, l=childNodes.length; i<l; i++) {
childNodes[i].name = childNodes[i].name.replace('','');
}
return childNodes;
}
function beforeClick(treeId,treeNode){
if(!treeNode.isParent){
alert("请选择父节点");
return false;
}else{
return true;
}
}
function zTreeOnAsyncError(event, treeId, treeNode){
alert("异步加载失败!");
}
function zTreeOnAsyncSuccess(event, treeId, treeNode, msg){
}
/***********************当你点击父节点是,会异步访问servlet,把id传过去*****************************/
var zNodes=[];
/* var zNodes =[
{ id:1, pId:0, name:"parentNode 1", open:true},
{ id:11, pId:1, name:"parentNode 11"},
{ id:111, pId:11, name:"leafNode 111"},
{ id:112, pId:11, name:"leafNode 112"},
{ id:113, pId:11, name:"leafNode 113"},
{ id:114, pId:11, name:"leafNode 114"},
{ id:12, pId:1, name:"parentNode 12"},
{ id:121, pId:12, name:"leafNode 121"},
{ id:122, pId:12, name:"leafNode 122"},
{ id:123, pId:12, name:"leafNode 123"},
{ id:13, pId:1, name:"parentNode 13", isParent:true},
{ id:2, pId:0, name:"parentNode 2", isParent:true}
]; */
$(document).ready(function(){
$.fn.zTree.init($("#treeDemo"), setting, zNodes);
});
得到zTree对象 :var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
ZtreeServlet
package org.hzy.servlets;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.hzy.bean.ZtreeBean;
import com.alibaba.fastjson.JSON;
public class ZTreeSerlvet extends HttpServlet {
public void destroy() {
super.destroy();
}
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
System.out.println(request.getParameter("id") + " " + request.getParameter("name") + " " + request.getParameter("otherParam"));
response.setCharacterEncoding("UTF-8");
PrintWriter out = response.getWriter();
ZtreeBean zb = new ZtreeBean(0, -1, "zb", true);
ZtreeBean zb1 = new ZtreeBean(1, 0, "zb1", true);
ZtreeBean zb2 = new ZtreeBean(2, 1, "zb2", false);
ZtreeBean zb3 = new ZtreeBean(2, 0, "zbss", true);
List<ZtreeBean> list = new ArrayList<ZtreeBean>();
list.add(zb);
list.add(zb1);
list.add(zb2);
list.add(zb3);
String str = JSON.toJSONString(list);
out.print(str);
}
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doGet(request, response);
}
public void init() throws ServletException {
}
}
Ztree是一个使用jQuery实现的JSP页面的各种功能树，本文介绍一个异步获取数据到下拉树的实现方式。
当前版本Ztree 3.5.01
simple.html
复制代码 代码如下:
<!DOCTYPE html>
<html>
<head>
<title>simple.html</title>
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="this is my page">
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<link rel="stylesheet" type="text/css" href="css/zTreeStyle.css">
<script type="text/javascript" src="js/jquery.js"></script>
<script type="text/javascript" src="js/jquery.ztree.core-3.5.js"></script>
<script type="text/javascript" src="js/jquery.ztree.excheck-3.5.min.js"></script>
<!-- <script type="text/javascript" src="js/standard.js"></script> -->
<script type="text/javascript" src="js/1.js"></script>
</head>
<body>
<div class="zTreeDemoBackground left"><ul id="treeDemo" class="ztree"></ul></div>
</body>
</html>
js
复制代码 代码如下:
var setting = {
data: {
simpleData: {
enable: true
// idKey:"id",
// pIdKey:"pId",
}
}
,async: {
enable: true,
url:"/Java_Solr/servlet/ZTreeSerlvet",
autoParam:["id", "name"],
otherParam:{"otherParam":"zTreeAsyncTest"},
// dataType: "text",//默认text
// type:"get",//默认post
dataFilter: filter //异步返回后经过Filter
}
,callback:{
// beforeAsync: zTreeBeforeAsync, // 异步加载事件之前得到相应信息
asyncSuccess: zTreeOnAsyncSuccess,//异步加载成功的fun
asyncError: zTreeOnAsyncError, //加载错误的fun
beforeClick:beforeClick //捕获单击节点之前的事件回调函数
}
};
//treeId是treeDemo
function filter(treeId, parentNode, childNodes) {
if (!childNodes) return null;
for (var i=0, l=childNodes.length; i<l; i++) {
childNodes[i].name = childNodes[i].name.replace('','');
}
return childNodes;
}
function beforeClick(treeId,treeNode){
if(!treeNode.isParent){
alert("请选择父节点");
return false;
}else{
return true;
}
}
function zTreeOnAsyncError(event, treeId, treeNode){
alert("异步加载失败!");
}
function zTreeOnAsyncSuccess(event, treeId, treeNode, msg){
}
/***********************当你点击父节点是,会异步访问servlet,把id传过去*****************************/
var zNodes=[];
/* var zNodes =[
{ id:1, pId:0, name:"parentNode 1", open:true},
{ id:11, pId:1, name:"parentNode 11"},
{ id:111, pId:11, name:"leafNode 111"},
{ id:112, pId:11, name:"leafNode 112"},
{ id:113, pId:11, name:"leafNode 113"},
{ id:114, pId:11, name:"leafNode 114"},
{ id:12, pId:1, name:"parentNode 12"},
{ id:121, pId:12, name:"leafNode 121"},
{ id:122, pId:12, name:"leafNode 122"},
{ id:123, pId:12, name:"leafNode 123"},
{ id:13, pId:1, name:"parentNode 13", isParent:true},
{ id:2, pId:0, name:"parentNode 2", isParent:true}
]; */
$(document).ready(function(){
$.fn.zTree.init($("#treeDemo"), setting, zNodes);
});
得到zTree对象 :var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
ZtreeServlet
复制代码 代码如下:
package org.hzy.servlets;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.hzy.bean.ZtreeBean;
import com.alibaba.fastjson.JSON;
public class ZTreeSerlvet extends HttpServlet {
public void destroy() {
super.destroy();
}
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
System.out.println(request.getParameter("id") + " " + request.getParameter("name") + " " + request.getParameter("otherParam"));
response.setCharacterEncoding("UTF-8");
PrintWriter out = response.getWriter();
ZtreeBean zb = new ZtreeBean(0, -1, "zb", true);
ZtreeBean zb1 = new ZtreeBean(1, 0, "zb1", true);
ZtreeBean zb2 = new ZtreeBean(2, 1, "zb2", false);
ZtreeBean zb3 = new ZtreeBean(2, 0, "zbss", true);
List<ZtreeBean> list = new ArrayList<ZtreeBean>();
list.add(zb);
list.add(zb1);
list.add(zb2);
list.add(zb3);
String str = JSON.toJSONString(list);
out.print(str);
}
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doGet(request, response);
}
public void init() throws ServletException {
}
}
相关文章
基于jQuery的网页右下角弹出广告(IE7,firefox)
以前曾写过一个,不过太麻烦了,呵呵```现在改进了一下,其实很简单:css定位层一直在右下角,用js控制层的高度增减。2010-08-08
基于jquery实现智能提示控件intellSeach.js
这篇文章主要为大家详细介绍了基于jquery实现智能提示控件intellSeach.js的相关资料，感兴趣的小伙伴们可以参考一下2016-03-03
这篇文章主要介绍了使用jQuery实现简单穿梭框方式，具有很好的参考价值，希望对大家有所帮助。如有错误或未考虑完全的地方，望不吝赐教2022-10-10
这篇文章主要为大家详细介绍了jQuery实现简单弹幕制作，文中示例代码介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们可以参考一下2020-12-12
这篇文章主要介绍了jQuery模拟select实现下拉菜单功能,比较实用,需要的朋友可以参考下。2016-06-06
jquery 包含了两个 each 一个是 $().each 另一个是 $.each 区别就在于前一个是 jquery对象的内置函数 而后一个 这是对象的遍历函数2013-12-12
jQuery的时间datetime控件在AngularJs中的使用实例(分享)
下面小编就为大家带来一篇jQuery的时间datetime控件在AngularJs中的使用实例(分享)。小编觉得挺不错的，现在就分享给大家，也给大家做个参考。一起跟随小编过来看看吧2017-08-08
用jQuery写的一个简单的程序,用于入门练习,发给大家,希望初学者有用.2009-07-07
使用jquery获取网页中图片的高度其实很简单，目前有两种不错的方法可以实现，下面为大家详细介绍下，有所疑惑的你可以参考下2013-09-09
这篇文章主要介绍了jQuery移动开发中内联按钮和分组按钮的编写方法,基于jQuery mobile这个jQuery针对移动开发版的库,需要的朋友可以参考下2015-12-12
最新评论