参考博客：https://www.cnblogs.com/henuyuxiang/p/6677397.html
前台代码
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<!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">
<link rel="stylesheet" href="resources/zTreeStyle/zTreeStyle.css" type="text/css">
<link rel="stylesheet" type="text/css" href="resources/bootstrap/bootstrap.min.css">
<title>index</title>
</head>
<body>
<div class="container">
<h4>Ztree异步加载使用例子</h4>
<input type="text" />
<ul ></ul>
</div>
</body>
<script src="resources/js/jquery.min.js"></script>
<script type="text/javascript" src="resources/js/jquery.ztree.all.min.js"></script>
<script type="text/javascript" src="resources/js/jquery.ztree.exhide.min.js"></script>
<script type="text/javascript">
var setting = {
async: {
enable: true,
url:"asyncGetNodes",
autoParam:["id", "pid", "name"],
dataFilter: filter
},
data:{
simpleData:{
enable: true,
idKey:'id',
pIdKey:'pid',
rootPId: 0
}
},
view:{
showIcon: false
},
callback: {
onNodeCreated: zTreeOnNodeCreated
}
};
$(document).ready(function(){
initZTree();
});
/**
* 搜索
*/
function search(){
var param = $.trim($("#search").val());
var treeObj = $.fn.zTree.getZTreeObj("zTree");
if(param != ""){
param = encodeURI(encodeURI(param));
treeObj.setting.async.otherParam=["param", param];
}else {
//搜索参数为空时必须将参数数组设为空
treeObj.setting.async.otherParam=[];
}
treeObj.reAsyncChildNodes(null, "refresh");
}
function zTreeOnNodeCreated(event, treeId, treeNode){
var param = $.trim($("#search").val());
var treeObj = $.fn.zTree.getZTreeObj(treeId);
if(param!="" && treeNode.isParent){
treeObj.reAsyncChildNodes(treeNode, "refresh",false);
}
}
function filter(treeId, parentNode, childNodes) {
return childNodes;
}
//初始化树
function initZTree(){
$.ajax({
url:"asyncGetNodes",
type:"post",
dataType: "json",
success: function(data){
console.log(data);
var zTreeObj = $.fn.zTree.init($("#zTree"),setting, data);
//让第一个父节点展开
var rootNode_0 = zTreeObj.getNodeByParam('pid',0,null);
zTreeObj.expandNode(rootNode_0, true, false, false, false);
},
error: function(){
}
});
}
</script>
</html>
Node.java:
package com.test.model; public class Node { private String id; private String pid; private String name; private String open; private String isParent; public Node(String id, String pid, String name, String open, String isParent) { super(); this.id = id; this.pid = pid; this.name = name; this.open = open; this.isParent = isParent; } public String getId() { return id; } public void setId(String id) { this.id = id; } public String getPid() { return pid; } public void setPid(String pid) { this.pid = pid; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getOpen() { return open; } public void setOpen(String open) { this.open = open; } public String getIsParent() { return isParent; } public void setIsParent(String isParent) { this.isParent = isParent; } }