写自用软件系统时查找到的树列表控件过于庸余,样式难调,故自写一套完整的简易js_TreeTable控件,使用时简单的添加自定义的样式效果即可,特此发布第一个版本。
源码如下:
/* * HuashanlinJsTree 1.0.1 * * Copyright (c) 2015 Huashanlin (huashanlin.cnblogs.com) * * GPL (GPL-LICENSE.txt) licenses. * * ¥Date: 2015-08-28 15:14:29 -0400 (Fri, 28 Aug 2015)¥ * * 本TreeTable控件基于jQuery1.4.2以上版本,兼容IE10.0.18、Chrome41.0.2272.118 * * 转载请注明出处 */ var HuashanlinJsTree = { ConfigParame: { LocationDivID: "",/*Tree生成页面位置的Div的ID【必填】*/ KeyFieldName: "",/*树节点值的字段名称(主键,与ParentKeyFieldName数据对应)【必填】*/ ValueFieldName: "",/*树节点名称的字段【必填】*/ ParentKeyFieldName: "",/*父节点值字段名称【必填】*/ ExtendValueFieldName: "",/*除树节点名称字段外扩展显示的字段,即可显示多个字段,格式如"Cu1,Cu2,Re1"【可选】*/ OnSelectFuncionSignature: "",/*选中树节点事件【可选】*/ TreeTableTitle: "",/*树表格的标题,为空则不显示标题【可选】*/ SpaceMark: "          ",/*区分不同层级的树节点的间隔符【必填】*/ TagMark: "|--",/*树表格节点头部字符或图片<img src=''>【可选】*/ IsFirstLevelHaveTagMark: false,/*树第一级节点名称是否显示TagMark*/ }, DataSource: [],/*树的数据源 Json格式*/ SelectedKeyFieldValue: "",/*选中行节点的值*/ _GetHtml: "",/*自用参数*/ _ID: "",/*自用参数*/ DataBind: function () { document.write if (this.ConfigParame.LocationDivID.length == 0) { alert("LocationDivID属性不能为空!表示树所在的Div的位置!"); return; } if (this.ConfigParame.KeyFieldName.length == 0) { alert("KeyFieldName属性不能为空!表示树的节点值所用的字段名!"); return; } if (this.ConfigParame.ValueFieldName.length == 0) { alert("ValueFieldName属性不能为空!表述树的节点名称所用的字段名!"); return; } if (this.ConfigParame.ParentKeyFieldName.length == 0) { alert("ParentKeyFieldName属性不能为空!表示树的父节点值所用的字段名!"); return; } var _date = new Date(); var _HeadChar = ""; this._ID = "HuashanlinJsTree" + String(_date.getFullYear()) + String(_date.getMonth()) + String(_date.getDate()) + String(_date.getHours()) + String(_date.getMinutes()) + String(_date.getSeconds()); this._GetHtml += "<table id=\"" + this._ID + "\" class=\"HLJsTree\">"; var FiledNum = 1; var ExtendArray = new Array(); if (this.ConfigParame.ExtendValueFieldName.length > 0) { ExtendArray = this.ConfigParame.ExtendValueFieldName.split(','); FiledNum = FiledNum + ExtendArray.length; } if (this.ConfigParame.TreeTableTitle.length > 0) { this._GetHtml += "<tr class=\"HLJsTreeTableTitle\"><td colspan=\"" + FiledNum + "\">" + this.ConfigParame.TreeTableTitle + "</td></tr>"; } for (var i = 0; i < this.DataSource.length; i++) { if (this.DataSource[i].ParentID == 0 || this.DataSource[i].ParentID == null) { if (this.ConfigParame.IsFirstLevelHaveTagMark) { _HeadChar = this.ConfigParame.TagMark; } var ExtendField = ""; for (var m = 0; m < ExtendArray.length; m++) { ExtendField += "<td class=\"HLJsTreeExtendField\">" + eval("this.DataSource[i]." + ExtendArray[m]) + "</td>"; } this._GetHtml += "<tr onclick=\"return HuashanlinJsTree._SV(this); \" "+ "data-key='" + eval("this.DataSource[i]." + this.ConfigParame.KeyFieldName) + "'>" + "<td>" + _HeadChar + eval("this.DataSource[i]." + this.ConfigParame.ValueFieldName) + "</td>" + ExtendField + "</tr>"; this._RCS(eval("this.DataSource[i]." + this.ConfigParame.KeyFieldName), ""); } } this._GetHtml += "</table>"; $("#" + this.ConfigParame.LocationDivID).html(this._GetHtml); }, _RCS: function (KeyFieldValue, HeadChar) { var IsHaveChild = false; var TempHeadChar = ""; var ExtendArray = new Array(); if (this.ConfigParame.ExtendValueFieldName.length > 0) { ExtendArray = this.ConfigParame.ExtendValueFieldName.split(','); } for (var i = 0; i < this.DataSource.length; i++) { if (eval("this.DataSource[i]." + this.ConfigParame.ParentKeyFieldName) == KeyFieldValue) { if (!IsHaveChild) { IsHaveChild = true; TempHeadChar = HeadChar + this.ConfigParame.SpaceMark + this.ConfigParame.TagMark; } var ExtendField = ""; for (var m = 0; m < ExtendArray.length; m++) { ExtendField += "<td class=\"HLJsTreeExtendField\">" + eval("this.DataSource[i]." + ExtendArray[m]) + "</td>"; } this._GetHtml += "<tr onclick=\"return HuashanlinJsTree._SV(this); \" " + "data-key='" + eval("this.DataSource[i]." + this.ConfigParame.KeyFieldName) + "' >" + "<td>" + TempHeadChar + eval("this.DataSource[i]." + this.ConfigParame.ValueFieldName) + "</td>" + ExtendField + "</tr>"; this._RCS(eval("this.DataSource[i]." + this.ConfigParame.KeyFieldName), HeadChar + this.ConfigParame.SpaceMark); } } }, IsHaveChild: function (CurentKeyValue) { var IsHave = false; for (var i = 0; i < this.DataSource.length; i++) { if (eval("this.DataSource[i]." + this.ParentKeyName) == CurentKeyValue) { IsHave = true; break; } } return IsHave; }, _SV: function (arg) { this.SelectedKeyFieldValue = $(arg).attr("data-key"); $("#" + this._ID).find("tr").each(function () { $(this).removeClass("HLJsTreeRowSelected"); }); $(arg).addClass("HLJsTreeRowSelected"); if (this.ConfigParame.OnSelectFuncionSignature != null) { if ((typeof (this.ConfigParame.OnSelectFuncionSignature) == "function")) { this.ConfigParame.OnSelectFuncionSignature(); } }; }, GetSelectedKeyFieldValue: function () { return this.SelectedKeyFieldValue; }, GetSelected: function () { for (var i = 0; i < this.DataSource.length; i++) { if (eval("this.DataSource[i]." + this.ConfigParame.KeyFieldName) == this.SelectedKeyFieldValue) return this.DataSource[i]; } } };
.HLJsTree {
width: 100%;
table-layout:fixed;
font-family:Verdana;
font-size:12px;
}
.HLJsTree tr {
cursor: pointer;
}
.HLJsTree tr:hover {
background-color: lightgray;/*鼠标滑过背景色,自定义*/
}
.HLJsTree td {
border-bottom: 1px solid;
width:200px;
}
.HLJsTreeRowSelected {
background-color: lightgray;/*选中行背景色,自定义*/
}
.HLJsTreeExtendField {
border-left: 1px solid;
}
.HLJsTreeTableTitle {
background-color:#0528fa;
font-size:14px;
font-weight:bold;
color:white;
padding-left:10px;
}
以上为源码和样式,调用示例如下:
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<title>HuashanlinJsTree树控件使用Demo</title>
<script type="text/javascript" src="http://apps.bdimg.com/libs/jquery/1.4.2/jquery.min.js"></script>
<link href="HuashanlinJsTree/HuashanlinJsTree.css" rel="stylesheet" />
<script src="HuashanlinJsTree/HuashanlinJsTree.js"></script>
<script type="text/javascript">
//用法示例
jQuery(document).ready(function () { //可从数据库读取到的数据
var GetJsonDataFromDB = [ { "SortID": 1, "SortName": "新闻", "ParentID": null, "Remark": "这是新闻频道", "CreateDate": "2015-08-21" }, { "SortID": 2, "SortName": "视频", "ParentID": 0, "Remark": "这是视频频道", "CreateDate": "2015-08-22" }, { "SortID": 3, "SortName": "国内新闻", "ParentID": 1, "Remark": "这是国内新闻频道", "CreateDate": "2015-08-23" }, { "SortID": 4, "SortName": "国际新闻", "ParentID": 1, "Remark": "这是国际新闻频道", "CreateDate": "2015-08-24" }, { "SortID": 5, "SortName": "直播", "ParentID": 2, "Remark": "这是直播频道", "CreateDate": "2015-08-25" }, { "SortID": 6, "SortName": "社会新闻", "ParentID": 3, "Remark": "这是社会新闻频道", "CreateDate": "2015-08-26" }, { "SortID": 7, "SortName": "奥运2016", "ParentID": 5, "Remark": "这是奥运2016频道", "CreateDate": "2015-08-27" }, { "SortID": 8, "SortName": "田径", "ParentID": 7, "Remark": "这是田径频道", "CreateDate": "2015-08-28" }, { "SortID": 9, "SortName": "游泳", "ParentID": 7, "Remark": "这是游泳频道", "CreateDate": "2015-08-29" }, { "SortID": 10, "SortName": "自行车公路赛", "ParentID": 7, "Remark": "这是自行车公路赛频道", "CreateDate": "2015-08-30" }, { "SortID": 11, "SortName": "体育新闻", "ParentID": 3, "Remark": "这是体育新闻频道", "CreateDate": "2015-08-31" }, ]; HuashanlinJsTree.ConfigParame.LocationDivID = "newTree"; HuashanlinJsTree.ConfigParame.KeyFieldName = "SortID"; HuashanlinJsTree.ConfigParame.ValueFieldName = "SortName"; HuashanlinJsTree.ConfigParame.ParentKeyFieldName = "ParentID"; HuashanlinJsTree.ConfigParame.TreeTableTitle = "网站目录"; HuashanlinJsTree.ConfigParame.OnSelectFuncionSignature = function () { var CurrentRowData = HuashanlinJsTree.GetSelected(); if (CurrentRowData != null) { alert(CurrentRowData.Remark); } }; HuashanlinJsTree.ConfigParame.ExtendValueFieldName = "Remark,CreateDate"; HuashanlinJsTree.DataSource = GetJsonDataFromDB; HuashanlinJsTree.DataBind(); }); </script>
</head>
<body>
<div id="newTree" ></div>
</body>
</html>