3，最简单的树（不显示图标）
- 2020 年 1 月 7 日
- 笔记
—–后台
using System; using System.Collections.Generic; using System.Linq; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; using System.Data; using System.Text; public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { } public string GetzNodes() { StringBuilder sb = new StringBuilder(); sb.Append("<script>"); sb.Append("var zNodes =["); //*****************************************加入遍历代码 for (int i = 0; i < 100; i++) { if (i > 50) { sb.Append(SetParametes(i.ToString(), "1", "b")); } else sb.Append(SetParametes(i.ToString(), "-1", "a")); } //******************************************************** sb.Append("];"); sb.Append("</script>"); return sb.ToString(); } /// <summary> /// 设置节点 /// </summary> /// <param name="id">id</param> /// <param name="pid">父级id</param> /// <param name="name">名称</param> /// <param name="open">是否展开？</param> /// <returns>返回节点</returns> private string SetParametes(string id, string pid, string name,bool open=false) { StringBuilder sb = new StringBuilder(); sb.Append("{"); sb.AppendFormat("id:{0},",id); sb.AppendFormat("pId:{0},",pid); if (open) { sb.AppendFormat("name:"{0}",", name); sb.Append("open: true"); } else { sb.AppendFormat("name:"{0}"", name); } sb.Append("},"); return sb.ToString(); } }
—–前台
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default.aspx.cs" Inherits="_Default" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> <link href="../css/demo_new.css" rel="stylesheet" type="text/css" /> <link href="../css/zTreeStyle/zTreeStyle.css" rel="stylesheet" type="text/css" /> <script src="../js/jquery-1.4.4.min.js" type="text/javascript"></script> <script src="../js/jquery.ztree.core-3.5.js" type="text/javascript"></script> </head> <%=GetzNodes()%> <script type="text/javascript"> var setting = { view: {showIcon: showIconForTree}, data: { simpleData: { enable: true} }, callback: { onClick: zTreeOnClick}}; $(document).ready(function () { $.fn.zTree.init($("#treeDemo"), setting, zNodes); }); //显示div function showdiv() { $("#zhezhao").fadeIn(300); $("#treeDemodiv").fadeIn(300); } //隐藏div function closediv() { $("#zhezhao").fadeOut(300); $("#treeDemodiv").fadeOut(300); } function showIconForTree(treeId, treeNode) { return !treeNode.isParent; }; //展示zTree function showZTree() { var w = document.documentElement.clientWidth; var h = document.documentElement.clientHeight; var l = document.documentElement.clientWidth / 2 - $("#treeDemodiv").width() / 2; var t = document.documentElement.clientHeight / 2 - $("#treeDemodiv").height() / 2; $("#zhezhao").css({ "width": w + "px", "height": h + "px", "filter": "alpha(opacity=25)", "-moz-opacity": "0.25", "-khtml-opacity": "0.25", "opacity": "0.25" }); $("#treeDemodiv").css({ "left": l + "px", "top": t + "px" }); showdiv(); } //点击触发事件 function zTreeOnClick(event, treeId, treeNode) { alert(treeNode.id + "," + treeNode.name); closediv(); } </script> <body> <form id="form1" runat="server"> <input type="button" value="显示" onclick="showZTree()"> <!------------------Treediv---------------------> <div id="treeDemodiv" style="top:0px;left:0px;padding:0px;display:none;margin:0px;;height:470px;width:230px;;position:fixed;z-index:100" class="zTreeDemoBackground left"> <ul style="padding:0px;margin:0px;background:#3498DB;height:20px;top:0px;left:0px;"><li style="height:20px;float:right;padding:0px;margin:0px;"><img style="width:19px;;height:19px;z-index:100;cursor:pointer" onclick="$('#treeDemodiv').fadeOut(300);$('#zhezhao').fadeOut(300);" src="../img/yzfalse.png" /></li></ul> <ul id="treeDemo" style="padding:0px;margin:0px;height:448px;width:228px;z-index:100;background:#fff" class="ztree"></ul> </div> <div id="zhezhao" style="top:0px;left:0px;display:none;filter:alpha(opacity=25);-moz-opacity:0.25;-khtml-opacity: 0.25;opacity: 0.25;position:fixed;background:#000;z-index:9"></div> <!------------------Treediv---------------------> </form> </body> </html>
