<head>
<meta charset="utf-8">
<title>jQuery UI Dialog - Modal form</title>
<link rel="stylesheet" href="css/ui-lightness/jquery-ui-1.10.4.custom.min.css">
<link rel="stylesheet" href="css/zTreeStyle/zTreeStyle.css">
<script src="js/jquery-1.10.2.js"></script>
<script src="js/jquery-ui-1.10.4.custom.min.js"></script>
<script src="js/jquery.ztree.core-3.5.js"></script>
<script src="js/jquery.ztree.excheck-3.5.js"></script>
<script>
$(function() {
var setting = {
check: {
enable: true,
chkStyle: "radio",
radioType: "all"
},
data: {
simpleData: {
enable: true
}
}
};
var zNodes =[
{ id:1, pId:0, name:"随意勾选 1", open:true},
{ id:11, pId:1, name:"随意勾选 1-1", open:true},
{ id:111, pId:11, name:"随意勾选 1-1-1"},
{ id:112, pId:11, name:"随意勾选 1-1-2"},
{ id:12, pId:1, name:"随意勾选 1-2", open:true},
{ id:121, pId:12, name:"随意勾选 1-2-1"},
{ id:122, pId:12, name:"随意勾选 1-2-2"},
{ id:2, pId:0, name:"随意勾选 2", checked:true, open:true},
{ id:21, pId:2, name:"随意勾选 2-1"},
{ id:22, pId:2, name:"随意勾选 2-2", open:true},
{ id:221, pId:22, name:"随意勾选 2-2-1", checked:true},
{ id:222, pId:22, name:"随意勾选 2-2-2"},
{ id:23, pId:2, name:"随意勾选 2-3"}
];
$( "#dialog-form" ).dialog({
autoOpen: false,
height: 300,
width: 350,
modal: true,
buttons: {
"确定": function() {
var treeObj = $.fn.zTree.getZTreeObj("treeDemo");
var nodes = treeObj.getCheckedNodes(true);
var result = "";
var tt = "";
for(var i=0;i<nodes.length;i++){
if(!nodes[i].isParent){
result += nodes[i].name + ",";
tt = nodes[i].id;
}
}
$("#deptList").html(result);
$("#deptid").val(tt);
$( this ).dialog( "close" );
},
"取消": function() {
$( this ).dialog( "close" );
}
},
close: function() {
}
});
$( "#create-user" )
.button()
.click(function() {
$.fn.zTree.init($("#treeDemo"), setting, zNodes);
$( "#dialog-form" ).dialog( "open" );
});
});
</script>
</head>
<body>
<div id="dialog-form" title="部门结构" >
<div style="z-index:990;">
<ul id="treeDemo" class="ztree"></ul>
</div>
</div>
<button id="create-user">选择部门</button>
<span id="deptList"></span>
<input id="deptid" type="text" value="">
<div class="demo-description">
</body>
</html>
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原文：http://yynwpf.iteye.com/blog/2174887