150 lines
5.8 KiB
HTML
150 lines
5.8 KiB
HTML
<!DOCTYPE html>
|
||
<HTML>
|
||
<HEAD>
|
||
<TITLE> ZTREE DEMO - big data page</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: {
|
||
addDiyDom: addDiyDom
|
||
},
|
||
callback: {
|
||
beforeExpand: beforeExpand,
|
||
onAsyncSuccess: onAsyncSuccess,
|
||
onAsyncError: onAsyncError
|
||
}
|
||
};
|
||
|
||
var zNodes =[
|
||
{name:"分页测试", t:"请点击分页按钮", id:"1", count:2000, page:0, pageSize:100, isParent:true}
|
||
];
|
||
var curPage = 0;
|
||
function getUrl(treeId, treeNode) {
|
||
var param = "id="+ treeNode.id +"_"+treeNode.page +"&count="+treeNode.pageSize,
|
||
aObj = $("#" + treeNode.tId + "_a");
|
||
aObj.attr("title", "当前第 " + treeNode.page + " 页 / 共 " + treeNode.maxPage + " 页")
|
||
return "../asyncData/getNodesForBigData.php?" + param;
|
||
}
|
||
function goPage(treeNode, page) {
|
||
treeNode.page = page;
|
||
if (treeNode.page<1) treeNode.page = 1;
|
||
if (treeNode.page>treeNode.maxPage) treeNode.page = treeNode.maxPage;
|
||
if (curPage == treeNode.page) return;
|
||
curPage = treeNode.page;
|
||
var zTree = $.fn.zTree.getZTreeObj("treeDemo");
|
||
zTree.reAsyncChildNodes(treeNode, "refresh");
|
||
}
|
||
function beforeExpand(treeId, treeNode) {
|
||
if (treeNode.page == 0) treeNode.page = 1;
|
||
return !treeNode.isAjaxing;
|
||
}
|
||
function onAsyncSuccess(event, treeId, treeNode, msg) {
|
||
|
||
}
|
||
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 addDiyDom(treeId, treeNode) {
|
||
if (treeNode.level>0) return;
|
||
var aObj = $("#" + treeNode.tId + "_a");
|
||
if ($("#addBtn_"+treeNode.id).length>0) return;
|
||
var addStr = "<span class='button lastPage' id='lastBtn_" + treeNode.id
|
||
+ "' title='last page' onfocus='this.blur();'></span><span class='button nextPage' id='nextBtn_" + treeNode.id
|
||
+ "' title='next page' onfocus='this.blur();'></span><span class='button prevPage' id='prevBtn_" + treeNode.id
|
||
+ "' title='prev page' onfocus='this.blur();'></span><span class='button firstPage' id='firstBtn_" + treeNode.id
|
||
+ "' title='first page' onfocus='this.blur();'></span>";
|
||
aObj.after(addStr);
|
||
var first = $("#firstBtn_"+treeNode.id);
|
||
var prev = $("#prevBtn_"+treeNode.id);
|
||
var next = $("#nextBtn_"+treeNode.id);
|
||
var last = $("#lastBtn_"+treeNode.id);
|
||
treeNode.maxPage = Math.round(treeNode.count/treeNode.pageSize - .5) + (treeNode.count%treeNode.pageSize == 0 ? 0:1);
|
||
first.bind("click", function(){
|
||
if (!treeNode.isAjaxing) {
|
||
goPage(treeNode, 1);
|
||
}
|
||
});
|
||
last.bind("click", function(){
|
||
if (!treeNode.isAjaxing) {
|
||
goPage(treeNode, treeNode.maxPage);
|
||
}
|
||
});
|
||
prev.bind("click", function(){
|
||
if (!treeNode.isAjaxing) {
|
||
goPage(treeNode, treeNode.page-1);
|
||
}
|
||
});
|
||
next.bind("click", function(){
|
||
if (!treeNode.isAjaxing) {
|
||
goPage(treeNode, treeNode.page+1);
|
||
}
|
||
});
|
||
};
|
||
|
||
$(document).ready(function(){
|
||
$.fn.zTree.init($("#treeDemo"), setting, zNodes);
|
||
});
|
||
//-->
|
||
</SCRIPT>
|
||
<style type="text/css">
|
||
.ztree li span.button.firstPage {float:right; margin-left:2px; margin-right: 0; background-position:-144px -16px; vertical-align:top; *vertical-align:middle}
|
||
.ztree li span.button.prevPage {float:right; margin-left:2px; margin-right: 0; background-position:-144px -48px; vertical-align:top; *vertical-align:middle}
|
||
.ztree li span.button.nextPage {float:right; margin-left:2px; margin-right: 0; background-position:-144px -64px; vertical-align:top; *vertical-align:middle}
|
||
.ztree li span.button.lastPage {float:right; margin-left:2px; margin-right: 0; background-position:-144px -32px; vertical-align:top; *vertical-align:middle}
|
||
</style>
|
||
</HEAD>
|
||
|
||
<BODY>
|
||
<h1>分页加载大数据量</h1>
|
||
<h6>[ 文件路径: bigdata/page.html ]</h6>
|
||
<div class="content_wrap">
|
||
<div class="zTreeDemoBackground left">
|
||
<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)、分页方案可以有效解决某一级节点数据超大的情况。</li>
|
||
<li>2)、分页按钮通过自定义控件的方法实现。</li>
|
||
<li class="highlight_red">3)、分页方案对于 checkbox 的关联关系无能为力，只能每次翻页后进行修正。由于时间关系，Demo 中不对 checkbox 的关联进行任何修正处理。</li>
|
||
<li class="highlight_red">4)、分页方案中，从 zTree 得到的节点数据只有当前页的节点数据，可以在每次翻页后自行保存每页的数据，作为缓存，具体情况要根据实际需求来决定。</li>
|
||
</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>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> |