winform和webform实现的对象浏览器

public partial class Form1 : Form { public Form1() { InitializeComponent(); } TreeView treeView = null; ListView listView = null; private void Form1_Load(object sender, EventArgs e) { TableLayoutPanel tableLayoutPanel = new TableLayoutPanel(); tableLayoutPanel.ColumnCount = 2; tableLayoutPanel.RowCount = 2; tableLayoutPanel.Dock = DockStyle.Fill; tableLayoutPanel.CellBorderStyle = TableLayoutPanelCellBorderStyle.OutsetDouble; //tableLayoutPanel.BackColor = Color.Red; this.Controls.Add(tableLayoutPanel); Label label = new Label(); label.Text = "Hello!!"; label.BackColor = Color.Blue; label.Font = new Font("黑体", 20); label.Size = new Size(this.Width, 50); label.TextAlign = ContentAlignment.MiddleCenter; tableLayoutPanel.Controls.Add(label, 0, 0); label.Dock = DockStyle.Fill; tableLayoutPanel.SetColumnSpan(label, 2); treeView = new TreeView(); treeView.Name = "treeView"; treeView.Dock = DockStyle.Fill; CreateParent(); tableLayoutPanel.Controls.Add(treeView, 0, 1); listView = new ListView(); listView.Name = "listView"; ListViewItem item = new ListViewItem(); ColumnHeader cName = new ColumnHeader(); cName.Text = "名称"; ColumnHeader size = new ColumnHeader(); size.Text = "大小"; ColumnHeader time = new ColumnHeader(); time.Text = "日期"; listView.Columns.Add(cName); listView.Columns.Add(size); listView.Columns.Add(time); listView.View = View.Details; listView.Dock = DockStyle.Fill; tableLayoutPanel.Controls.Add(listView, 1, 1); listView.FullRowSelect = true; listView.ItemActivate += new EventHandler(listView_ItemActivate); this.WindowState = FormWindowState.Maximized; } void listView_ItemActivate(object sender, EventArgs e) { System.Windows.Forms.ListView lw = (System.Windows.Forms.ListView)sender; bool b = lw.SelectedItems[0].Text.Contains('.'); string filename = lw.SelectedItems[0].Tag.ToString(); if (b) { try { System.Diagnostics.Process.Start(filename); } catch (Exception ex) { MessageBox.Show(ex.Message); } } else { CreateListView(filename); } } void CreateParent() { treeView.Nodes.Clear(); string path = @"D:\"; DirectoryInfo di = new DirectoryInfo(path); if (!di.Exists) { di.Create(); } TreeNode parent = new TreeNode(); parent.Text = di.Name; parent.Tag = di.FullName; treeView.Nodes.Add(parent); CreateChild(parent); treeView.Size = new Size(400, this.Height); treeView.ExpandAll(); treeView.AfterSelect += new TreeViewEventHandler(treeView_AfterSelect); treeView.NodeMouseClick += new TreeNodeMouseClickEventHandler(treeView_NodeMouseClick); } //void listView_DoubleClick(object sender, EventArgs e) //{ // string itemname = listView.SelectedItems[0].Text; // DirectoryInfo di = new DirectoryInfo(path); // DirectoryInfo[] dis = di.GetDirectories(); // foreach (DirectoryInfo diinfo in dis) // { // listView.Items.Add(diinfo.Name); // } //} void treeView_NodeMouseClick(object sender, TreeNodeMouseClickEventArgs e) { listView.Items.Clear(); } void treeView_AfterSelect(object sender, TreeViewEventArgs e) { string path = e.Node.Tag.ToString(); CreateListView(path); //listView.DoubleClick += new EventHandler(listView_DoubleClick); //} } public void CreateListView(string path) { listView.Items.Clear(); DirectoryInfo di = new DirectoryInfo(path); //if (di.Extension == "") //{ FileInfo[] files = di.GetFiles(); DirectoryInfo[] dis = di.GetDirectories(); foreach (FileInfo file in files) { ListViewItem item = new ListViewItem(new String[] { file.Name, file.Length.ToString(), file.LastAccessTime.ToString() }); listView.Items.Add(item); item.Tag = file.FullName; //listView.Columns["cName"].Text=file.Name; //listView.Items.Add(file.Name); } foreach (DirectoryInfo diinfo in dis) { string size = FileSize(diinfo.FullName).ToString(); ListViewItem item = new ListViewItem(new String[] { diinfo.Name, size, diinfo.LastAccessTime.ToString() }); listView.Items.Add(item); item.Tag = diinfo.FullName; //listView.Items.Add(diinfo.Name); } } public static long FileSize(string filePath) { long temp = 0; //if (!File.Exists(filePath) ) //{ // string[] str1 = Directory.GetFileSystemEntries(filePath); // foreach (string s1 in str1) // { // temp += FileSize(s1); // } //} //else //{ // FileInfo fileInfo = new FileInfo(filePath); // return fileInfo.Length; //} string[] arrFile = Directory.GetFiles(filePath, "*.*", SearchOption.AllDirectories); FileInfo fi = null; foreach (var item in arrFile) { fi = new FileInfo(item); temp += fi.Length; } return temp; } void CreateChild(TreeNode parent) { string path = parent.Tag.ToString(); DirectoryInfo di = new DirectoryInfo(path); FileInfo[] files = di.GetFiles("*"); foreach (FileInfo file in files) { if (file.Extension == "") { TreeNode child = new TreeNode(); child.Text = Path.GetFileName(file.Name); child.Tag = file.FullName; parent.Nodes.Add(child); } } DirectoryInfo[] dirs = di.GetDirectories(); // foreach (DirectoryInfo dir in dirs) { TreeNode child = new TreeNode(); child.Text = dir.Name; child.Tag = dir.FullName; parent.Nodes.Add(child); //CreateTextNode(child); CreateChild(child); } } }