function OnTreeNodeChecked()
{
var ele = event.srcElement;
if(ele.type=='checkbox')
{
ele.className = "";
var childrenDivID = ele.id.replace('CheckBox','Nodes');
var div = document.getElementById(childrenDivID);
if(div!=null)
{
var checkBoxs = div.getElementsByTagName('INPUT');
for(var i=0;i<checkBoxs.length;i++)
{
if(checkBoxs[i].type=='checkbox')
checkBoxs[i].checked=ele.checked;
}
}
setParentClassName(ele);
}
}
function setParentClassName(currCheckBox)
{
var objParentNode= public_GetParentNode(currCheckBox);
if(public_IsObjectNull(objParentNode))
return;
var checkBoxs = objParentNode.getElementsByTagName("INPUT");
var allSelect = true;
var allUnSelect = true;
for(var i=0;i<checkBoxs.length;i++)
{
if(checkBoxs[i].type=='checkbox')
{
if(checkBoxs[i].checked) allUnSelect = false;
else allSelect = false;
if((!allSelect) && (!allUnSelect)) break;
}
}
var objParentCheckBox = public_Node2CheckBox(objParentNode);
if(public_IsObjectNull(objParentCheckBox)) return;
setParentClassName(objParentCheckBox);
if(allSelect)
{
objParentCheckBox.className = "";
objParentCheckBox.checked = true;
return;
}
if(allUnSelect)
{
objParentCheckBox.className = "";
objParentCheckBox.checked = false;
return;
}
objParentCheckBox.checked = false;
objParentCheckBox.className = "parentbox_style";
}
//得到本節(jié)點(diǎn)所在的Node(Div對象)
function public_GetParentNode(element)
{
var parent = element.parentNode;
var upperTagName = "DIV";
//如果這個元素還不是想要的tag就繼續(xù)上溯
while (parent && (parent.tagName.toUpperCase() != upperTagName))
{
parent = parent.parentNode ? parent.parentNode : parent.parentElement;
}
return parent;
}
function public_Node2CheckBox(element)
{
var objID = element.getAttribute("ID");
objID = objID.substring(0,objID.indexOf("Nodes"));
return document.getElementById(objID+"CheckBox");
}
function public_IsObjectNull(element)
{
if(element==null || element == "undefined")
return true;
else
return false;
}
</script>
</head>
<body>
<form id="form1" runat="server">
<div>
<asp:TreeView ID="trePrivitegeInfo" runat="server" ShowCheckBoxes="All" ShowLines="True">
</asp:TreeView>
</div>
</form>
</body>
</html>
后臺代碼：
// showPriviAction.ShowPrivilegeInfo();是用來顯示數(shù)據(jù)的方法。改成自己的數(shù)據(jù)集即可！
using System;
using System.Data;
using System.Configuration;
using System.Collections;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using crm.entcrm.action;
public partial class BaseSetting_role_Privilege : System.Web.UI.Page
{
/// <summary>
/// 實(shí)例化ShowPrivilegeAction
/// </summary>
ShowPrivilegeAction showPriviAction = new ShowPrivilegeAction();
protected void Page_Load(object sender, EventArgs e)
{
if(!IsPostBack)
{
this.trePrivitegeInfo.Nodes.Clear();
//調(diào)用遞歸函數(shù)，完成樹形結(jié)構(gòu)的生成
AddTree("0", trePrivitegeInfo.Nodes);
}
}
/// <summary>
/// 遞歸添加樹的節(jié)點(diǎn)
/// </summary>
/// <param name="fdm">父代碼</param>
/// <param name="nodes">節(jié)點(diǎn)對象的集合</param>
public void AddTree(string fdm, System.Web.UI.WebControls.TreeNodeCollection nodes)
{
DataTable dt = showPriviAction.ShowPrivilegeInfo();
DataView dvTree = new DataView(dt);
// 過濾c_mkdm,得到當(dāng)前的所有子節(jié)點(diǎn)
dvTree.RowFilter = "[fdm] = " + fdm;
foreach (DataRowView Row in dvTree)
{
TreeNode Node = new TreeNode();
// 添加節(jié)點(diǎn)
Node.Value = Row["c_mkdm"].ToString();
Node.Text = Row["v_mkmc"].ToString();
nodes.Add(Node);
//trePrivitegeInfo.Nodes.Add(Node);
//Node.Expanded = true;
AddTree(Row["c_mkdm"].ToString(), Node.ChildNodes); //再次遞歸
}
}
#region Web Form Designer generated code
override protected void OnInit(EventArgs e)
{
//
// CODEGEN該調(diào)用是 ASP.NET Web 窗體設(shè)計器所必需的。
//
InitializeComponent();
base.OnInit(e);
}
/// <summary>
///設(shè)計器支持所需的方法 - 不要使用代碼編輯器修改
/// 此方法的內(nèi)容
/// </summary>
private void InitializeComponent()
{
this.Load += new System.EventHandler(this.Page_Load);
}
#endregion
}
