c# 文件夹的操作图片F盘移动到C盘

最新推荐文章于 2025-07-07 13:18:52 发布

原创最新推荐文章于 2025-07-07 13:18:52 发布 · 1.1k 阅读

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CC 4.0 BY-SA版权

这是一个C#类库，包含各种文件和目录操作方法，如检查存在性、创建、复制、移动、清空内容和删除。特别地，`MovePNG` 方法用于将F盘中的所有PNG图片移动到C盘。

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参考链接点击打开链接
public class DocumentTool
{
    //检测文件目录是否存在
    public static bool IsExistDirectory (string directoryPath)
    {
        return Directory.Exists (directoryPath);
    }

    //检测文件是否存在
    public static bool IsExistFile (string filePath)
    {
        return File.Exists (filePath);
    }

    //检测指定目录是否为空
    public static bool IsEmptyDirectory (string directoryPath)
    {
        try {
            string[] fileNames = Directory.GetFiles (directoryPath);
            if (fileNames.Length > 0) {
                return false;
            }
            string[] directoryNames = Directory.GetDirectories (directoryPath);
            return directoryNames.Length <= 0;
        } catch {
            return false;
        }
    }
    //检测目录中是否存在指定文件夹
    public static bool Contains (string directoryPath, string searchPattern)
    {
        try {
            string[] fileNames = Directory.GetFiles (directoryPath, searchPattern);
            return fileNames.Length != 0;
        } catch {
            return false;
        }
    }
    //创建一个目录
    public static void CreatDirectory (string directoryPath)
    {
        if (!IsExistDirectory (directoryPath)) {
            Directory.CreateDirectory (directoryPath);
        }
    }
    //创建一个文件
    public static bool CreateFile (string filePath)
    {
        try {
            if (!IsExistFile (filePath)) {
                FileInfo info = new FileInfo (filePath);
                FileStream fs = info.Create ();
                fs.Close ();
            }
        } catch {
            return false;
        }
        return true;
    }

    //创建一个文件 写入二进制流
    public static bool CreatFile (string filePath, byte[] buffer)
    {
        try {
            if (!IsExistFile (filePath)) {
                FileInfo file = new FileInfo (filePath);
                FileStream fs = file.Create ();
                fs.Write (buffer, 0, buffer.Length);
                fs.Close ();
            }
        } catch {
            return false;
        }
        return true;
    }

    //向文本文件写入内容
    public static void WriteText (string filePath, string content)
    {
        File.AppendAllText (filePath, content);
    }

    //将现有文件复制到新的文件中
    public static void Copy (string sourceFilePath, string destFilePath)
    {
        if (IsExistFile (destFilePath)) {
            DeleteFile (destFilePath);
        }
        File.Copy (sourceFilePath, destFilePath);
    }

    //将文件移动到指定目录下
    public static void Move (string sourceFilePath, string destFilePath)
    {
        //获取文件名称
        if (IsExistFile (destFilePath)) {
            DeleteFile (destFilePath);
        }
        File.Move (sourceFilePath, destFilePath);
    }
    public static void MovePNG(string sourceFilePath, string destFilePath){
        DirectoryInfo info = new DirectoryInfo (sourceFilePath);
        FileInfo[] files = info.GetFiles ();
        foreach(FileInfo file in files){
            if (file.Extension == ".png") {
                file.MoveTo (Path.Combine (destFilePath, file.Name));
            }
            }
    }

    //清空文件内容
    public static void ClearFile (string filePath)
    {
        File.Delete (filePath);
        CreateFile (filePath);
    }

    //删除指定文件
    public static void DeleteFile (string filePath)
    {
        if (IsExistFile (filePath)) {
            File.Delete (filePath);
        }
    }
    //删除指定目录及其所有文件
    public static void DeleteDirectory (string directoryPath)
    {
        if (IsExistDirectory (directoryPath)) {
            Directory.Delete (directoryPath);
        }
    }
}