form1.cs

[Visual C# 2005程序设计基础教程] 全部的源码！非常经典

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.IO;


namespace FileManage
{
    public partial class Form1 : Form
    {
        public Form1()
        {
            InitializeComponent();
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void btnnew_Click(object sender, EventArgs e)
        {
            //显示保存文件对话框
            if (this.savefile.ShowDialog() == DialogResult.OK)
            {
                //获取文件名
                this.path = savefile.FileName;
                //如果目标文件存在，在删除原有文件
                if (File.Exists(this.path)) File.Delete(this.path);
                {
                    //创建文件
                    using (StreamWriter sw = File.CreateText(path))
                    {
                        //写入数据
                        sw.WriteLine("This is my text file!");
                        sw.Close();
                    }
                    //读取文件内容，并显示在窗体的txtfilecon控件中
                    StreamReader sr = new StreamReader(path);
                    txtfilecon.Text = (sr.ReadToEnd());
                    sr.Close();
                }
            }

        }

        private void btnappend_Click(object sender, EventArgs e)
        {
            //判断要追加的内容是否为空
            if (textappend.Text != "")
            {

                StreamWriter swadd = File.AppendText(path);
                //追加内容
                swadd.WriteLine(textappend.Text);
                swadd.Flush();
                swadd.Close();
                textappend.Text = "";
                StreamReader srshow = new StreamReader(path);
                //显示
                txtfilecon.Text = (srshow.ReadToEnd());
                srshow.Close();
            }

        }

        private void btncopy_Click(object sender, EventArgs e)
        {
            openfile.FileName = null;
            //显示打开文件对话框
            if (openfile.ShowDialog() == DialogResult.OK)
            {
                //获取目标文件
                string firstpath = openfile.FileName;
                savefile.FileName = "";
                //显示保存文件对话框
                if (savefile.ShowDialog() == DialogResult.OK)
                {
                    //获取新文件路径
                    string newpath = savefile.FileName;
                    if (File.Exists(newpath))
                        File.Delete(newpath);
                    //拷贝文件
                    File.Copy(firstpath, newpath, true);
                    MessageBox.Show("复制成功！");
                }
            }

        }

        private void btnmove_Click(object sender, EventArgs e)
        {
            openfile.FileName = null;
            if (openfile.ShowDialog() == DialogResult.OK)
            {
                string firstfile = openfile.FileName;
                savefile.FileName = firstfile;
                if (savefile.ShowDialog() == DialogResult.OK)
                {
                    string newfile = savefile.FileName;
                    File.Move(firstfile, newfile);
                    MessageBox.Show("移动成功!");
                }
            }

        }

        private void btninfo_Click(object sender, EventArgs e)
        {
            openfile.FileName = null;
            //显示打开文件对话框
            if (openfile.ShowDialog() == DialogResult.OK)
            {
                //获取文件
                string newpath = openfile.FileName;
                //获取文件信息
                FileInfo file = new FileInfo(newpath);
                string creattime = file.CreationTime.ToString();
                string lastwritetime = file.LastWriteTime.ToString();
                string lastaccesstime = file.LastAccessTime.ToString();
                //输出文件信息
                MessageBox.Show("创建日期：" + creattime + "\n上次修改时间：" + lastwritetime + "\n上次读取时间：" + lastaccesstime);
            }

        }

        private void btndelete_Click(object sender, EventArgs e)
        {
            openfile.FileName = null;
            //显示打开文件对话框
            if (openfile.ShowDialog() == DialogResult.OK)
            {
                //获取目标文件
                string newpath = openfile.FileName;
                //如果目标文件存在，则删除该文件
                if (File.Exists(newpath))
                {
                    File.Delete(newpath);
                    MessageBox.Show("删除成功！");
                }
            }

        }
    }
}