如何将文件夹a中的文件移动到b答案

【问题标题】：How to move files from folder a to b如何将文件夹a中的文件移动到b
【发布时间】：2016-01-04 06:29:29
【问题描述】：

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，就无法制作目录

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\中

uplay_cm.dll 在src\\SYSTEM\\launcherfiles\\updatetemp\\ubi中

我该如何修复这个问题？

【问题讨论】：

您将转义字符串与逐字字符串混合在一起（"text" 与 @"text"）。

标签： c# copy directory

【解决方案1】：

此MSDN 链接向您展示了如何执行此操作。

按照此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!");
}

【讨论】：