From d74b495736f0c04522ec54274b70fed0ded2878d Mon Sep 17 00:00:00 2001
From: zhongrj <646384940@qq.com>
Date: Tue, 27 Jun 2023 11:30:06 +0800
Subject: [PATCH] 任务新增导出
---
public/map/lib/zTree_v3/demo/cn/bigdata/diy_async.html | 157 ++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 157 insertions(+), 0 deletions(-)
diff --git a/public/map/lib/zTree_v3/demo/cn/bigdata/diy_async.html b/public/map/lib/zTree_v3/demo/cn/bigdata/diy_async.html
new file mode 100644
index 0000000..3a2ec02
--- /dev/null
+++ b/public/map/lib/zTree_v3/demo/cn/bigdata/diy_async.html
@@ -0,0 +1,157 @@
+<!DOCTYPE html>
+<HTML>
+<HEAD>
+ <TITLE> ZTREE DEMO - big data async</TITLE>
+ <meta http-equiv="content-type" content="text/html; charset=UTF-8">
+ <link rel="stylesheet" href="../../../css/demo.css" type="text/css">
+ <link rel="stylesheet" href="../../../css/zTreeStyle/zTreeStyle.css" type="text/css">
+ <script type="text/javascript" src="../../../js/jquery-1.4.4.min.js"></script>
+ <script type="text/javascript" src="../../../js/jquery.ztree.core.js"></script>
+ <script type="text/javascript" src="../../../js/jquery.ztree.excheck.js"></script>
+ <script type="text/javascript" src="../../../js/jquery.ztree.exedit.js"></script>
+ <SCRIPT type="text/javascript">
+ <!--
+ var setting = {
+ async: {
+ enable: true,
+ url: getUrl
+ },
+ check: {
+ enable: true
+ },
+ data: {
+ simpleData: {
+ enable: true
+ }
+ },
+ view: {
+ expandSpeed: ""
+ },
+ callback: {
+ beforeExpand: beforeExpand,
+ onAsyncSuccess: onAsyncSuccess,
+ onAsyncError: onAsyncError
+ }
+ };
+
+ var zNodes =[
+ {name:"500个节点", id:"1", count:500, times:1, isParent:true},
+ {name:"1000个节点", id:"2", count:1000, times:1, isParent:true},
+ {name:"2000个节点", id:"3", count:2000, times:1, isParent:true}
+ ];
+
+ var log, className = "dark",
+ startTime = 0, endTime = 0, perCount = 100, perTime = 100;
+ function getUrl(treeId, treeNode) {
+ var curCount = (treeNode.children) ? treeNode.children.length : 0;
+ var getCount = (curCount + perCount) > treeNode.count ? (treeNode.count - curCount) : perCount;
+ var param = "id="+treeNode.id+"_"+(treeNode.times++) +"&count="+getCount;
+ return "../asyncData/getNodesForBigData.php?" + param;
+ }
+ function beforeExpand(treeId, treeNode) {
+ if (!treeNode.isAjaxing) {
+ startTime = new Date();
+ treeNode.times = 1;
+ ajaxGetNodes(treeNode, "refresh");
+ return true;
+ } else {
+ alert("zTree 正在下载数据中，请稍后展开节点。。。");
+ return false;
+ }
+ }
+ function onAsyncSuccess(event, treeId, treeNode, msg) {
+ if (!msg || msg.length == 0) {
+ return;
+ }
+ var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
+ totalCount = treeNode.count;
+ if (treeNode.children.length < totalCount) {
+ setTimeout(function() {ajaxGetNodes(treeNode);}, perTime);
+ } else {
+ treeNode.icon = "";
+ zTree.updateNode(treeNode);
+ zTree.selectNode(treeNode.children[0]);
+ endTime = new Date();
+ var usedTime = (endTime.getTime() - startTime.getTime())/1000;
+ className = (className === "dark" ? "":"dark");
+ showLog("[ "+getTime()+" ] treeNode:" + treeNode.name );
+ showLog("加载完毕，共进行 "+ (treeNode.times-1) +" 次异步加载, 耗时："+ usedTime + " 秒");
+ }
+ }
+ function onAsyncError(event, treeId, treeNode, XMLHttpRequest, textStatus, errorThrown) {
+ var zTree = $.fn.zTree.getZTreeObj("treeDemo");
+ alert("异步获取数据出现异常。");
+ treeNode.icon = "";
+ zTree.updateNode(treeNode);
+ }
+ function ajaxGetNodes(treeNode, reloadType) {
+ var zTree = $.fn.zTree.getZTreeObj("treeDemo");
+ if (reloadType == "refresh") {
+ treeNode.icon = "../../../css/zTreeStyle/img/loading.gif";
+ zTree.updateNode(treeNode);
+ }
+ zTree.reAsyncChildNodes(treeNode, reloadType, true);
+ }
+ function showLog(str) {
+ if (!log) log = $("#log");
+ log.append("<li class='"+className+"'>"+str+"</li>");
+ if(log.children("li").length > 4) {
+ log.get(0).removeChild(log.children("li")[0]);
+ }
+ }
+ function getTime() {
+ var now= new Date(),
+ h=now.getHours(),
+ m=now.getMinutes(),
+ s=now.getSeconds(),
+ ms=now.getMilliseconds();
+ return (h+":"+m+":"+s+ " " +ms);
+ }
+
+ $(document).ready(function(){
+ $.fn.zTree.init($("#treeDemo"), setting, zNodes);
+
+ });
+ //-->
+ </SCRIPT>
+ </HEAD>
+
+<BODY>
+<h1>分批异步加载大数据量</h1>
+<h6>[ 文件路径: bigdata/diy_async.html ]</h6>
+<div class="content_wrap">
+ <div class="zTreeDemoBackground left">
+ <ul>
+ <li class="highlight_red"> 此 Demo 专门用于测试分批异步加载，每次展开节点都要重新进行异步加载。</li>
+ </ul>
+ <ul id="treeDemo" class="ztree"></ul>
+ </div>
+ <div class="right">
+ <ul class="info">
+ <li class="title"><h2>1、大数据量加载说明</h2>
+ <ul class="list">
+ <li>1)、对于某一级节点数多达几千个的时候，zTree 默认的延迟加载是无效的，此 Demo 演示了一种原先 zTree v2.6 时的分批加载节点的方法。</li>
+ <li class="highlight_red">2)、此方法适用于1、2千个节点必须全部显示的需求。</li>
+ <li class="highlight_red">3)、此方法并不能解决加载慢的问题，相反只会让最终结果出现的更慢，只是可以有限度的避免浏览器假死，而且显示的节点越多就越慢。</li>
+ <li>4)、对于某一级节点数至少几千个的情况，另一个解决方案是：分页异步加载。<br/>
+ async load log:<br/>
+ <ul id="log" class="log" style="height:85px"></ul></li>
+ </ul>
+ </li>
+ <li class="title"><h2>2、setting 配置信息说明</h2>
+ <ul class="list">
+ <li>需要设置 setting.async 异步加载部分的参数</li>
+ <li>建议关闭动画效果 setting.view.expandSpeed = "";</li>
+ <li>其他不需要进行特殊的配置，根据自己的需求自行设置</li>
+ </ul>
+ </li>
+ <li class="title"><h2>3、treeNode 节点数据说明</h2>
+ <ul class="list">
+ <li>对 节点数据 没有特殊要求，用户可以根据自己的需求添加自定义属性</li>
+ </ul>
+ </li>
+ </ul>
+ </div>
+</div>
+</BODY>
+</HTML>
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