<!DOCTYPE html>
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<HTML>
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<HEAD>
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<TITLE> ZTREE DEMO - select menu</TITLE>
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<meta http-equiv="content-type" content="text/html; charset=UTF-8">
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<link rel="stylesheet" href="../../../css/demo.css" type="text/css">
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<link rel="stylesheet" href="../../../css/zTreeStyle/zTreeStyle.css" type="text/css">
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<script type="text/javascript" src="../../../js/jquery-1.4.4.min.js"></script>
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<script type="text/javascript" src="../../../js/jquery.ztree.core.js"></script>
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<!-- <script type="text/javascript" src="../../../js/jquery.ztree.excheck.js"></script>
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<script type="text/javascript" src="../../../js/jquery.ztree.exedit.js"></script>-->
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<SCRIPT type="text/javascript">
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<!--
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var setting = {
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view: {
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dblClickExpand: false
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},
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data: {
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simpleData: {
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enable: true
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}
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},
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callback: {
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beforeClick: beforeClick,
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onClick: onClick
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}
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};
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var zNodes =[
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{id:1, pId:0, name:"北京"},
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{id:2, pId:0, name:"天津"},
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{id:3, pId:0, name:"上海"},
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{id:6, pId:0, name:"重庆"},
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{id:4, pId:0, name:"河北省", open:true},
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{id:41, pId:4, name:"石家庄"},
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{id:42, pId:4, name:"保定"},
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{id:43, pId:4, name:"邯郸"},
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{id:44, pId:4, name:"承德"},
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{id:5, pId:0, name:"广东省", open:true},
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{id:51, pId:5, name:"广州"},
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{id:52, pId:5, name:"深圳"},
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{id:53, pId:5, name:"东莞"},
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{id:54, pId:5, name:"佛山"},
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{id:6, pId:0, name:"福建省", open:true},
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{id:61, pId:6, name:"福州"},
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{id:62, pId:6, name:"厦门"},
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{id:63, pId:6, name:"泉州"},
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{id:64, pId:6, name:"三明"}
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];
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function beforeClick(treeId, treeNode) {
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var check = (treeNode && !treeNode.isParent);
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if (!check) alert("只能选择城市...");
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return check;
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}
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function onClick(e, treeId, treeNode) {
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var zTree = $.fn.zTree.getZTreeObj("treeDemo"),
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nodes = zTree.getSelectedNodes(),
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v = "";
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nodes.sort(function compare(a,b){return a.id-b.id;});
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for (var i=0, l=nodes.length; i<l; i++) {
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v += nodes[i].name + ",";
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}
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if (v.length > 0 ) v = v.substring(0, v.length-1);
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var cityObj = $("#citySel");
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cityObj.attr("value", v);
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}
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function showMenu() {
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var cityObj = $("#citySel");
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var cityOffset = $("#citySel").offset();
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$("#menuContent").css({left:cityOffset.left + "px", top:cityOffset.top + cityObj.outerHeight() + "px"}).slideDown("fast");
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$("body").bind("mousedown", onBodyDown);
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}
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function hideMenu() {
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$("#menuContent").fadeOut("fast");
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$("body").unbind("mousedown", onBodyDown);
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}
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function onBodyDown(event) {
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if (!(event.target.id == "menuBtn" || event.target.id == "menuContent" || $(event.target).parents("#menuContent").length>0)) {
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hideMenu();
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}
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}
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$(document).ready(function(){
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$.fn.zTree.init($("#treeDemo"), setting, zNodes);
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});
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//-->
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</SCRIPT>
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<style type="text/css">
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</style>
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</HEAD>
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<BODY>
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<h1>下拉菜单</h1>
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<h6>[ 文件路径: super/select_menu.html ]</h6>
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<div class="content_wrap">
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<div class="zTreeDemoBackground left">
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<ul class="list">
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<li class="title"> <span class="highlight_red">选择城市时，按下 Ctrl 或 Cmd 键可以进行多选</span></li>
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<li class="title"> 城市：<input id="citySel" type="text" readonly value="" style="width:120px;"/>
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<a id="menuBtn" href="#" onclick="showMenu(); return false;">选择</a></li>
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</ul>
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</div>
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<div class="right">
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<ul class="info">
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<li class="title"><h2>实现方法说明</h2>
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<ul class="list">
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<li>用 zTree 实现这种下拉菜单，应该说是比较容易的，你只需要控制 zTree 所在容器的隐藏/显示，以及位置即可。</li>
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<li class="highlight_red">zTree v3.x 实现了多点选中功能，因此对于需要多选的下拉菜单也易如反掌。</li>
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<li class="highlight_red">利用 setting 的各项配置参数，完全可以满足大部分的功能需求。</li>
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</ul>
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</li>
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</ul>
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</div>
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</div>
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<div id="menuContent" class="menuContent" style="display:none; position: absolute;">
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<ul id="treeDemo" class="ztree" style="margin-top:0; width:160px;"></ul>
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</div>
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</BODY>
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</HTML>
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