treePath

 

using System;
using System.Data;
using System.Configuration;
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 System.Data.SqlClient;
/**//// <summary>
/// pathTree 的摘要说明
/// </summary>
public class pathTree
...{
    //aaa/bbb/ccc
    public static TreeView Tv;
    static pathTree()
    ...{
        Tv = new TreeView();
        TreeNode tn = new TreeNode();
        tn.Text = "member";
        tn.Value = "member";
        Tv.Nodes.Add(tn);

        AddPath(tn, "a/b/c");
        AddPath(tn, "aa/bb/cc");
        AddPath(tn, "aaa/bbb/ccc");
        AddPath(tn, "aaa/bbb/ddd");
        delNode(tn, "aaa/bbb/ddd");

    }
    public pathTree()
    ...{
        //
        // TODO: 在此处添加构造函数逻辑
        //

    }
    private static void AddPath(TreeNode tn, string path)
    ...{
        string tempStr = string.Empty;
        string subPath = string.Empty;
        if (path.IndexOf("/") > -1)
        ...{
            tempStr = path.Substring(0, path.IndexOf("/"));
            subPath = path.Substring(path.IndexOf("/") + 1);
            foreach (TreeNode tnd in tn.ChildNodes)
            ...{
                if (tnd.Text.Equals(tempStr))
                ...{
                    AddPath(tnd, subPath);
                    return;
                }
            }
            TreeNode newTn = new TreeNode(tempStr, tempStr);
            tn.ChildNodes.Add(newTn);
            AddPath(newTn, subPath);
            return;
        }
        else
        ...{
            foreach (TreeNode tnd in tn.ChildNodes)
            ...{
                if (tnd.Text.Equals(path))
                ...{
                    return;
                }
            }
            TreeNode newTn = new TreeNode(path, path);
            tn.ChildNodes.Add(newTn);
            return;
        }

    }

    public static void ChangeTree()
    ...{
        //TreeNode tn = Tv.Nodes[0];
        //AddPath(tn, "a/b/c");
        return;
    }

    public static void delNode( TreeNode tn, string path)
    ...{
        string tempStr = string.Empty;
        string subPath = string.Empty;
        if (path.IndexOf("/") > -1)
        ...{
            tempStr = path.Substring(0, path.IndexOf("/"));
            subPath = path.Substring(path.IndexOf("/") + 1);
            foreach (TreeNode tnd in tn.ChildNodes)
            ...{
                if (tnd.Text.Equals(tempStr))
                ...{
                    delNode(tnd, subPath);
                    if (tnd.ChildNodes.Count == 0)
                    ...{
                        tn.ChildNodes.Remove(tnd);
                        return;
                    }
                }
            }
           
        }
        else
        ...{
            foreach (TreeNode tnd in tn.ChildNodes)
            ...{
                if (tnd.Text.Equals(path))
                ...{
                    if (tnd.ChildNodes.Count == 0)
                    ...{
                        tn.ChildNodes.Remove(tnd);
                        return;
                    }           
                }
            }
        }
        return;
        
    }

}