练习1
-
界面
注意不要忽略3个dialoge控件
Design.PNG 代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.IO;
namespace WindowsFormsApp1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
/*
private void listBoxCopy_Click(object sender, EventArgs e)
{
if(listBoxCopy.SelectedIndex==0)
{
//选择的是复制文件
if(OpenFileDialog.ShowDialog()==DialogResult.OK)
{
textBoxSource.Text = OpenFileDialog.FileName;
}
}
}
*/
//判断是否选择了某种操作
public bool IsFun()
{
bool MyBool = false;
if (listBoxCopy.SelectedIndex != -1)
{
MyBool = true;
}
return MyBool;
}
//复制文件夹下的子文件夹及其文件
public static void CopyDirectory(string srcPath, string destPath)
{
try
{
DirectoryInfo dir = new DirectoryInfo(srcPath);
FileSystemInfo[] fileinfo = dir.GetFileSystemInfos(); //获取目录下（不包含子目录）的文件和子目录
foreach (FileSystemInfo i in fileinfo)
{
if (i is DirectoryInfo) //判断是否文件夹
{
if (!Directory.Exists(destPath + "\\" + i.Name))
{
Directory.CreateDirectory(destPath + "\\" + i.Name); //目标目录下不存在此文件夹即创建子文件夹
}
CopyDirectory(i.FullName, destPath + "\\" + i.Name); //递归调用复制子文件夹
}
else
{
File.Copy(i.FullName, destPath + "\\" + i.Name, true); //不是文件夹即复制文件，true表示可以覆盖同名文件
}
}
}
catch (Exception e)
{
throw;
}
}
private void textBoxDestination_MouseClick(object sender, MouseEventArgs e)
{
}//没有用
private void Form1_Load(object sender, EventArgs e)
{
}//没有用
//确认键
private void button1_Click(object sender, EventArgs e)
{
if(textBoxSource.Text=="")
{
MessageBox.Show("源路径为空！");
}
else if((listBoxCopy.SelectedIndex == 0 || listBoxCopy.SelectedIndex == 2)
&&(textBoxDestination.Text==""))
{
//只在复制时报错，删除没有必要检查为空
MessageBox.Show("目标路径为空！");
}
else
{
if (listBoxCopy.SelectedIndex == 0)
{
File.Copy(textBoxSource.Text, textBoxDestination.Text);
btnDestination.Enabled = true;
}
else if(listBoxCopy.SelectedIndex == 1)
{
File.Delete(textBoxSource.Text);
btnDestination.Enabled = true;
}
else if(listBoxCopy.SelectedIndex == 2)
{
CopyDirectory(textBoxSource.Text,textBoxDestination.Text);
btnDestination.Enabled = true;
}
else if (listBoxCopy.SelectedIndex == 3)
{
Directory.Delete(textBoxSource.Text,true);
btnDestination.Enabled = true;
}
}
textBoxSource.Clear();
textBoxDestination.Clear();
}
//选择目标路径
private void btnDestination_Click(object sender, EventArgs e)
{
if (!IsFun())
{
MessageBox.Show("未选择操作！");
}
else
{
if (listBoxCopy.SelectedIndex == 1 || listBoxCopy.SelectedIndex == 3)
{
btnDestination.Enabled = false;
MessageBox.Show("这是删除操作，不需要目的路径!");
}
//打开保存目录
else if (listBoxCopy.SelectedIndex == 0)
{
if(saveFileDialog1.ShowDialog()==DialogResult.OK)
{
textBoxDestination.Text = saveFileDialog1.FileName;
}
}
else if (listBoxCopy.SelectedIndex == 2)
{
if (folderBrower.ShowDialog() == DialogResult.OK)
{
textBoxDestination.Text = folderBrower.SelectedPath;
CopyDirectory(textBoxSource.Text,textBoxDestination.Text);
}
}
}
}
//选择源路径
private void btnSouce_Click(object sender, EventArgs e)
{
if (!IsFun())
{
MessageBox.Show("未选择操作！");
}
else if (listBoxCopy.SelectedIndex == 0 || listBoxCopy.SelectedIndex == 1)
{
//打开文件
if (OpenFileDialog.ShowDialog() == DialogResult.OK)
{
textBoxSource.Text = OpenFileDialog.FileName;
}
}
else
{
//打开目录
if (folderBrower.ShowDialog() == DialogResult.OK)
{
textBoxSource.Text = folderBrower.SelectedPath;
}
}
}
}
}