如何将文件从文件夹a移动到b

本文关键字：移动 文件夹 文件 | 更新日期: 2023-09-27 18:16:18

我想将文件从一个目录复制到另一个目录，但它不起作用。发生的错误

如果他是或类似的东西

这是我的代码

string uplaydir = "";
using (StreamReader sr = new StreamReader("src''SYSTEM''launcherfiles''uplay_dir.txt"))
{
    uplaydir = sr.ReadLine();
}
label2.Text = "Installing";
ExtractZipFile(@"src''SYSTEM''launcherfiles''updatefiles''vmr.zip", @"src''SYSTEM''launcherfiles''updatetemp");
label2.Text = "Done!";
File.Copy(@"src''SYSTEM''launcherfiles''updatetemp''ubi", @uplaydir);

uplay_dir.txt在c:'test'

uplay_cm.dll在src''SYSTEM''launcherfiles''updatetemp''ubi

我该如何修复这个?

如何将文件从文件夹a移动到b

这个MSDN链接向您展示了如何做到这一点。

按照下面的代码在目录之间复制文件:

string fileName = "test.txt";
string sourcePath = @"C:'Users'Public'TestFolder";
string targetPath =  @"C:'Users'Public'TestFolder'SubDir";
// Use Path class to manipulate file and directory paths.
string sourceFile = System.IO.Path.Combine(sourcePath, fileName);
string destFile = System.IO.Path.Combine(targetPath, fileName);
// To copy a folder's contents to a new location:
// Create a new target folder, if necessary.
if (!System.IO.Directory.Exists(targetPath))
{
    System.IO.Directory.CreateDirectory(targetPath);
}
// To copy a file to another location and 
// overwrite the destination file if it already exists.
System.IO.File.Copy(sourceFile, destFile, true);
// To copy all the files in one directory to another directory.
// Get the files in the source folder. (To recursively iterate through
// all subfolders under the current directory, see
// "How to: Iterate Through a Directory Tree.")
// Note: Check for target path was performed previously
//       in this code example.
if (System.IO.Directory.Exists(sourcePath))
{
    string[] files = System.IO.Directory.GetFiles(sourcePath);
    // Copy the files and overwrite destination files if they already exist.
    foreach (string s in files)
    {
        // Use static Path methods to extract only the file name from the path.
        fileName = System.IO.Path.GetFileName(s);
        destFile = System.IO.Path.Combine(targetPath, fileName);
        System.IO.File.Copy(s, destFile, true);
    }
}
else
{
    Console.WriteLine("Source path does not exist!");
}
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