将一个文件夹中的所有文件复制到另一个文件夹代码,CSharp代码库,德仔网

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【CSharp】将一个文件夹中的所有文件复制到另一个文件夹
作者:Dezai.CN / 发布于2011/7/7/ 400
c#实现将一个文件夹中的所有文件复制到另一个文件夹，并在新文件夹中创建一个txt文件记录copy的文件综述以及文件名称
<div><span style="color: rgb(0,0,255)">using</span><span style="color: rgb(0,0,0)"> System;
</span><span style="color: rgb(0,0,255)">using</span><span style="color: rgb(0,0,0)"> System.Collections.Generic;
</span><span style="color: rgb(0,0,255)">using</span><span style="color: rgb(0,0,0)"> System.Text;
</span><span style="color: rgb(0,0,255)">using</span><span style="color: rgb(0,0,0)"> System.IO;

</span><span style="color: rgb(0,0,255)">namespace</span><span style="color: rgb(0,0,0)"> ConsoleApplication1
{
</span><span style="color: rgb(0,0,255)">class</span><span style="color: rgb(0,0,0)"> Program
{
</span><span style="color: rgb(0,0,255)">static</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">void</span><span style="color: rgb(0,0,0)"> Main(</span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)">[] args)
{
</span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">实例化test类,用于调用该类中的copy函数</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)">test a </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">new</span><span style="color: rgb(0,0,0)"> test();
a.copy(</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">D:\\新建文件夹(2)</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">, </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">D:\\新建文件夹</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">);</span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">试验</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)">}
</span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">test类的编写</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,255)">public</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">sealed</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">class</span><span style="color: rgb(0,0,0)"> test
{
</span><span style="color: rgb(0,0,255)">public</span><span style="color: rgb(0,0,0)"> test()
{
}
</span><span style="color: rgb(0,0,255)">public</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">void</span><span style="color: rgb(0,0,0)"> copy(</span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> source, </span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> destination)</span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">source 是原文件夹的路径,destination是要复制到的目标文件夹路径</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)">{
</span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">调用文件夹复制函数</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)">test.CopyDirectory(source, destination);
</span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">将原文件夹里的内容写进目标文件夹下的"记录.txt"里</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)">StreamWriter writer </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">new</span><span style="color: rgb(0,0,0)"> StreamWriter(destination </span><span style="color: rgb(0,0,0)">+</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(128,0,0)">\\记录.txt</span><span style="color: rgb(128,0,0)">"</span><span style="color: rgb(0,0,0)">);
</span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">Directory.GetFileSystemEntries() 可以得到指定目录包含子文件夹以及文件名字的字符串数组</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)">[] names </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> Directory.GetFileSystemEntries(source);
</span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">历遍names数组,把原文件那些名字全写进去</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,255)">foreach</span><span style="color: rgb(0,0,0)"> (</span><span style="color: rgb(0,0,255)">string</span><span style="color: rgb(0,0,0)"> name </span><span style="color: rgb(0,0,255)">in</span><span style="color: rgb(0,0,0)"> names)
{
writer.WriteLine(name);
}
writer.Close();
}
</span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">文件夹复制函数编写</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,255)">public</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">static</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">void</span><span style="color: rgb(0,0,0)"> CopyDirectory(String source, String destination)
{
DirectoryInfo info </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> </span><span style="color: rgb(0,0,255)">new</span><span style="color: rgb(0,0,0)"> DirectoryInfo(source);
</span><span style="color: rgb(0,0,255)">foreach</span><span style="color: rgb(0,0,0)"> (FileSystemInfo fsi </span><span style="color: rgb(0,0,255)">in</span><span style="color: rgb(0,0,0)"> info.GetFileSystemInfos())
{
</span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">目标路径destName = 目标文件夹路径 + 原文件夹下的子文件(或文件夹)名字
</span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">Path.Combine(string a ,string b) 为合并两个字符串</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)">String destName </span><span style="color: rgb(0,0,0)">=</span><span style="color: rgb(0,0,0)"> Path.Combine(destination, fsi.Name);
</span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">如果是文件类,就复制文件</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,255)">if</span><span style="color: rgb(0,0,0)"> (fsi </span><span style="color: rgb(0,0,255)">is</span><span style="color: rgb(0,0,0)"> System.IO.FileInfo)
File.Copy(fsi.FullName, destName);
</span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">如果不是 则为文件夹,继续调用文件夹复制函数,递归</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,255)">else</span><span style="color: rgb(0,0,0)">
{
Directory.CreateDirectory(destName);
CopyDirectory(fsi.FullName, destName);
}
}
}
}
</span><span style="color: rgb(0,128,0)">//</span><span style="color: rgb(0,128,0)">CopyDirectory 这个函数是我引用别人的,写的很好就留下了,我只是在外面加了个把信息记录下来而已</span><span style="color: rgb(0,128,0)">
</span><span style="color: rgb(0,0,0)">}
}</span></div>
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