asp.net 用XML生成放便扩展的自定义树

<?xml version="1.0" encoding="utf-8" ?> 
<MenuData> 
<Module Id="Business" Permissions="49,53,58,59,65,99,100,70,69" Name="业务管理" IsExpand="true"> 
<Menu Id="Orders" Permissions="49,53,58" Name="我的订单" IsExpand="true"> 
<Item Permissions="49" IsOnlyVip="true" Name="预订单" Url="Business/ProList.aspx" Title="预订单"/> 
<Item Id="Renting" Permissions="53" IsOnlyVip="true" Name="在订单" Url="Business/List.aspx" Title="在订单"/> 
<Item Permissions="58" IsOnlyVip="true" Name="订单历史" Url="Business/RList.aspx" Title="订单历史"/> 
</Menu> 
<Menu Id="Clients" Permissions="59" Name="我的客户" IsExpand="true"> 
<Item Id="ClientList" Permissions="59" Name="客户列表" Url="Client/List.aspx" Title="客户列表"/> 
</Menu> 
<Menu Id="" Permissions="65,99,100" Name="我的报表" IsExpand="true"> 
<Item Permissions="65" IsOnlyVip="true" Name="收入统计" Url="Report/Finance.aspx" Title="收入统计"/> 
<Item Permissions="99" IsOnlyVip="true" Name="产品统计" Url="Report/Product.aspx" Title="产品统计"/> 
<Item Permissions="100" IsOnlyVip="true" Name="客户统计" Url="Report/Client.aspx" Title="客户统计"/> 
</Menu> 
<Menu Id="" Permissions="70,69" Name="消息管理" IsExpand="true"> 
<Item Permissions="70" Name="发送站内消息" Url="" Title="发送站内消息" EventScript="onclick='OpenMsgWindow()'" /> 
<Item Id="ReceiveMsgList" Permissions="69" Name="消息接收列表" Url="Message/RList.aspx" Title="消息接收列表"/> 
<Item Permissions="69" Name="消息发送列表" Url="Message/SList.aspx" Title="消息发送列表"/> 
</Menu> 
</Module> 
<Module Id="Advertise" Permissions="89,90" Name="我要推广" EventScript="OpenTuiGuangIndex();" > 
<Menu Id="" Permissions="89" Name="产品推广" Url="TuiGuang/Product.aspx" Title="产品推广"/> 
<Menu Id="" Permissions="90" Name="广告推广" Url="TuiGuang/Ad.aspx" Title="广告推广"/> 
</Module> 
<Module Id="SystemManage" Permissions="67,68" Name="系统设置"> 
<Menu Id="" Permissions="67" Name="更改系统密码" Url="SysManage/Password.aspx" Title="更改系统密码"/> 
<Menu Id="" Permissions="68" Name="系统配置" Url="SysManage/Config.aspx" Title="系统配置"/> 
</Module> 
<Module Id="VIP" Permissions="" Name="会员介绍" IsUnVip="true"> 
<Menu Id="" Name="会员介绍" Url="VIP/index.html" Title="会员服务"/> 
</Module> 
</MenuData>

 
using System.Text; 
using System.Collections; 
using System.Xml; 
using System.Web; 
using System; 
/// <summary> 
/// CreateTree 的摘要说明 
/// </summary> 
public class MenuTree 
{ 
int index = 0;//菜单栏目ID索引 
private ArrayList havePermission = new ArrayList(); 
private bool isVip = false; 
/// <summary> 
/// 登录用户所拥有的权限 
/// </summary> 
private ArrayList HavePermissions 
{ 
get { return havePermission; } 
set { havePermission = value; } 
} 
/// <summary> 
/// 登录用户是否是VIP 
/// </summary> 
private bool IsVip 
{ 
get { return isVip; } 
set { isVip = value; } 
} 
/// <summary> 
/// 登录用户所拥有的权限 是否为VIP用户 
/// </summary> 
/// <param name="havePermission"></param> 
/// <param name="isVip"></param> 
public MenuTree(ArrayList havePermission, bool isVip) 
{ 
this.HavePermissions = havePermission; 
this.IsVip = isVip; 
} 
/// <summary> 
/// 绑定树 
/// </summary> 
public string BindDataToTree() 
{ 
System.Xml.XmlDocument document = new System.Xml.XmlDataDocument(); 
document.Load(HttpContext.Current.Server.MapPath("MenuData.xml")); 
return CreateTreeHtml(document.DocumentElement, 0); 
} 
/// <summary> 
/// 创建栏目树 
/// </summary> 
/// <param name="document">xml节点</param> 
/// <param name="deep">树深度</param> 
private string CreateTreeHtml(System.Xml.XmlNode document, int deep) 
{ 
string nodeType = "Menu";//节点的类型，来生成子节点的CSS类型 
StringBuilder treeHtml = new StringBuilder(); 
foreach (System.Xml.XmlNode node in document.ChildNodes) 
{ 
string menuId = string.Empty; 
string treeNodeHtml = string.Empty; 
string nodeName = node.Name; 
string showName = GetAttributesValue(node.Attributes["Name"]);//显示栏目名 
string nodeId = GetAttributesValue(node.Attributes["Id"]);//栏目ID 
bool isExpand = GetAttributesValue(node.Attributes["IsExpand"]).ToLower().Trim() == "true" ? true : false;//是否展开 
string permissions = GetAttributesValue(node.Attributes["Permissions"]);//权限字串 
bool isOnlyVip = GetAttributesValue(node.Attributes["IsOnlyVip"]).ToLower().Trim() == "true" ? true : false;//是否只允许VIP访问 
bool isUnVip = GetAttributesValue(node.Attributes["IsUnVip"]).ToLower().Trim() == "true" ? true : false;//是否只准非VIP访问 
string eventScript = GetAttributesValue(node.Attributes["EventScript"]);//事件脚本 
int chlidNodesCount = node.ChildNodes.Count;//子节点数 
bool isPermissions = GetIsPermissions(permissions);//是否有权限 
if (!isPermissions) 
{ 
continue; //如果没有权限，不生成此节点 
} 
if (nodeName == "Module") 
{ 
if (isUnVip && IsVip) 
{ 
continue;//如果为VIP会员 设为不允许访问子栏目 
} 
menuId = GetMenuId(nodeId); 
treeHtml.AppendFormat("<div class='Module' id='Menu{0}' onclick='DoNodes(this);{1}' onselectstart='return false;'>", menuId, eventScript); 
treeHtml.Append("<img src='/images/sideMenuIcon.gif' alt="' />"); 
treeHtml.AppendFormat("<span>{0}</span>", showName); 
treeHtml.Append("</div>"); 
deep = 0; 
nodeType = "Module"; 
} 
else 
{ 
treeHtml.Append("<table cellpadding='0' cellspacing='0' style='border-width: 0;width:90%'>"); 
treeHtml.Append("<tr class='NodeLine'>"); 
for (int i = 0; i < deep; i++) 
{ 
if (i == deep - 1) 
{ 
treeHtml.Append("<td class='nodeIcoBox'>"); 
if (chlidNodesCount > 0) 
{ 
menuId = GetMenuId(nodeId); 
treeHtml.AppendFormat("<a id='Menu{0}' rel="nofollow noopener noreferrer" href='javascript：;' onclick='DoNodes(this,\"menu\")'><img src='/Images/{1}.gif' alt="'/></a>", menuId, (isExpand ? "open-menu" : "close-menu")); 
} 
else 
{ 
treeHtml.Append("<img src='/Images/open-menuno.gif' alt="'/>"); 
} 
treeHtml.Append("</td>"); 
} 
else 
{ 
treeHtml.Append("<td style='width: 20px;'></td>"); 
} 
} 
string url = GetAttributesValue(node.Attributes["Url"]); //链接地址 
string title = GetAttributesValue(node.Attributes["Title"]);//链接TITLE信息 
string menuNodeId = nodeId.Trim().Length > 0 ? "id='MenuNode" + nodeId + "'" : string.Empty;//树节点ID 
treeHtml.Append("<td style='white-space: nowrap;'>"); 
if (url.Length > 0 || chlidNodesCount == 0) 
{ 
if (!isOnlyVip || (isOnlyVip && IsVip))//栏目是否只为VIP开放 
{ 
if (url.Length > 0) 
{ 
treeHtml.AppendFormat("<a rel="nofollow noopener noreferrer" href='{0}' target='MainFrame' title="{1}" {3} {4}>{2}</a>", url, title, showName, eventScript, menuNodeId); 
} 
else 
{ 
treeHtml.AppendFormat("<a rel="nofollow noopener noreferrer" href='javascript：;' target='MainFrame' title="{0}" {2} {3}>{1}</a>", title, showName, eventScript, menuNodeId); 
} 
} 
else 
{ 
treeHtml.AppendFormat("<a rel="nofollow noopener noreferrer" href='javascript：;' target='MainFrame' title="{1}" onclick='return AlertVip();' class='disableColor' {3}>{2}</a>", url, title, showName, menuNodeId); 
} 
} 
else 
{ 
treeHtml.AppendFormat("<a rel="nofollow noopener noreferrer" href='javascript：;' onclick='DoAClick(\"Menu{0}\");' title="{1}" {3} {4}>{2}</a>", menuId, title, showName, eventScript, menuNodeId); 
} 
treeHtml.Append("</td>"); 
treeHtml.Append("</tr>"); 
treeHtml.Append("</table>"); 
} 
if (chlidNodesCount > 0) 
{ 
treeNodeHtml = CreateTreeHtml(node, deep + 1); 
} 
if (treeNodeHtml.Length > 0) 
{ 
treeHtml.AppendFormat("<div id='Menu{0}Nodes' {1} style='{2}'>", menuId, (nodeType == "Module" ? "class='Menus'" : "class='MenuNodes'"), (isExpand ? "display:block;" : "display: none;")); 
treeHtml.Append(treeNodeHtml); 
treeHtml.Append("</div>"); 
} 
} 
return treeHtml.ToString(); 
} 
/// <summary> 
/// 取得栏目的ID 
/// </summary> 
private string GetMenuId(string nodeId) 
{ 
return nodeId.Length > 0 ? nodeId : Convert.ToString(++index); 
} 
/// <summary> 
/// 取得节点值 
/// </summary> 
private string GetAttributesValue(XmlAttribute attributeValue) 
{ 
return attributeValue == null ? "" : attributeValue.Value.Trim(); 
} 
/// <summary> 
/// 是否有权限 
/// </summary> 
private bool GetIsPermissions(string permissions) 
{ 
if (HavePermissions.Count == 0) 
{ 
return false; 
} 
if (permissions.Length == 0) 
{ 
return true; 
} 
else 
{ 
string[] arrPermissions = permissions.Split(','); 
for (int i = 0; i < arrPermissions.Length; i++) 
{ 
if (HavePermissions.Contains(arrPermissions[i].Trim())) 
{ 
return true; 
} 
} 
return false; 
} 
} 
} 

 
function DoNodes(obj,type) 
{ 
var divId=obj.id+'Nodes'; 
var qdivObj=$("#"+divId); 
if(qdivObj.is(":hidden")) 
{ 
qdivObj.show(); 
if(type=='menu') 
{ 
$(obj).children("img").attr("src","Images/open-menu.gif"); 
} 
else 
{ 
qdivObj.siblings(".Menus:visible").hide(); 
} 
} 
else 
{ 
qdivObj.hide(); 
if(type=='menu') 
{ 
$(obj).children("img").attr("src","Images/close-menu.gif"); 
} 
} 
} 
function DoAClick(id) 
{ 
$("#"+id).click(); 
} 
function AlertVip() 
{ 
alert("非常抱歉,此模块只对VIP会员开放!");return false; 
} 

本文asp.net 用XML生成放便扩展的自定义树到此结束。在生活我们不是走向成功就是走向失败，不是走向光明就是奔向黑暗，不是飞进天堂就是掉进深渊，获得不了幸福就会感到痛楚。小编再次感谢大家对我们的支持！