(深入.Net平台和C#编程)第九章.上机练习.20170417

==============================================entity==============================================

-------------------------------------------MyFile类-------------------------------------------

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ResourceManage.entity
{
    /// <summary>
    /// 文件类
    /// </summary>
   public class MyFile
    {
       /// <summary>
       /// 文件名
       /// </summary>
       public string FileName { get; set; }
       /// <summary>
       /// 文件大小
       /// </summary>
       public long FileLength { get; set; }
       /// <summary>
       /// 文件类型
       /// </summary>
       public string FileType { get; set; }
       /// <summary>
       /// 文件路径
       /// </summary>
       public string FilePath { get; set; }
    }
}

==============================================窗体==============================================

-------------------------------------------frmMain类-------------------------------------------

using ResourceManage.entity;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace ResourceManage
{
    public partial class frmMain : Form
    {
        public frmMain()
        {
            InitializeComponent();
        }

        private void frmMain_Load(object sender, EventArgs e)
        {
            Init();
            
        }

        /// <summary>
        /// 初始化
        /// </summary>
        public void Init()
        {
            //添加三个根节点
            tvList.Nodes.Add(@"C:");
            tvList.Nodes.Add(@"D:");
            tvList.Nodes.Add(@"E:");
            for (int i = 0; i < tvList.Nodes.Count; i++)
            {
                tvList.Nodes[i].Tag = tvList.Nodes[i].Text;
            }
            try
            {
                //遍历所有树节点（相当于盘）
                for (int i = 0; i < tvList.Nodes.Count; i++)
                {
                    DirectoryInfo di = new DirectoryInfo(tvList.Nodes[i].Text);
                    //返回当前目录的子目录
                    DirectoryInfo[] sonDi = di.GetDirectories();
                    foreach (DirectoryInfo item in sonDi)
                    {
                        //创建节点对象
                        TreeNode tn = new TreeNode();
                        //给节点赋属性
                        tn.Text = item.Name;
                        tn.Tag = item.FullName;
                        //树节点添加子节点
                        tvList.Nodes[i].Nodes.Add(tn);

                    }
                }

                //foreach (TreeNode item in tvList.Nodes)
                //{
                //    for (int i = 0; i < item.Nodes.Count; i++)
                //    {
                        
                //    }
                //}
            }
            catch (Exception ex)
            {
            }
        }

        /// <summary>
        /// 绑定XX文件夹下的所有文件信息
        /// </summary>
        public void BangSonNodes()
        {
            try
            {

                DirectoryInfo di = new DirectoryInfo(tvList.SelectedNode.Tag.ToString());
                //获取选中文件夹下文件
                FileInfo[] fis = di.GetFiles();
                List<MyFile> files = new List<MyFile>();
                foreach (FileInfo file in fis)
                {
                    MyFile mf = new MyFile();
                    mf.FileName = file.Name;
                    mf.FilePath = file.FullName;
                    mf.FileType = file.Extension;
                    mf.FileLength = file.Length;
                    files.Add(mf);
                }
                lvList.Items.Clear();

                foreach (MyFile item in files)
                {
                    ListViewItem lvi = new ListViewItem(item.FileName);
                    lvi.SubItems.Add(item.FileLength.ToString());
                    lvi.SubItems.Add(item.FileType);
                    lvi.SubItems.Add(item.FilePath);
                    lvList.Items.Add(lvi);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
        }

        private void tvList_AfterSelect(object sender, TreeViewEventArgs e)
        {
            BangSonNodes();
        }

        private void tvList_AfterExpand(object sender, TreeViewEventArgs e)
        {
            foreach (TreeNode node in tvList.SelectedNode.Nodes)
            {
                
            }
        }

        /// <summary>
        /// 右键删除
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void tsmiDelete_Click(object sender, EventArgs e)
        {
            string oName = lvList.SelectedItems[0].Text;
            string path = lvList.SelectedItems[0].SubItems[3].Text;
            int index = oName.IndexOf(".");
            string nName = oName.Substring(0, index);
            DialogResult result = MessageBox.Show("是否删除" + nName, "提示", MessageBoxButtons.YesNo, MessageBoxIcon.Question);
            if (result == DialogResult.Yes)
            {
                File.Delete(path);
                MessageBox.Show("删除成功");
                BangSonNodes();
            }
        }

        /// <summary>
        /// 右键复制
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void tsmiCopy_Click(object sender, EventArgs e)
        {
            FolderBrowserDialog fbd = new FolderBrowserDialog();
            DialogResult result = fbd.ShowDialog();
            string sourcePath = lvList.SelectedItems[0].SubItems[3].Text;
            string desPath = null;
            if (result == DialogResult.OK)
            {
                desPath = fbd.SelectedPath;
                desPath += "/" + lvList.SelectedItems[0].SubItems[0].Text;
                File.Copy(sourcePath, desPath);
                MessageBox.Show("复制成功");
            }
        }
    }
}