Sam隨堂筆記

using System.IO;

private void Form1_Load(object sender, EventArgs e)

{

    string strPath = @"D:\Downloads\test.jpg";

    Path.GetFullPath(strPath); //取得完整路徑: "D:\Downloads\test.jpg"

    Path.GetPathRoot(strPath); //取得根目錄: "D:\"

    Path.GetDirectoryName(strPath); //取得目錄名: "D:\Downloads"

    Path.GetFileName(strPath); //取得檔名: "test.jpg"

    Path.GetFileNameWithoutExtension(strPath); //取得檔名(不含副檔名): "test"

    Path.GetExtension(strPath); //取得副檔名: ".jpg"

    Path.ChangeExtension(strPath, "txt"); //變更副檔名: "D:\Downloads\test.txt"

    Path.Combine(strPath, @"path1\path2"); //結合路徑: "D:\Downloads\test.jpg\path1\path2"

    Path.GetTempPath(); //取得系統暫存資料夾: "C:\Users\Sam\AppData\Local\Temp\"

    Path.GetTempFileName(); //建立並取得唯一的暫存檔完整路徑

    Path.GetRandomFileName(); //隨機傳回一個資料夾或檔案名稱

    char a = Path.DirectorySeparatorChar; //目錄分隔字元: "\"

    char b = Path.VolumeSeparatorChar; //磁碟分隔字元: ":"

    char c = Path.PathSeparator; //路徑分隔字元: ";"

    char[] d = Path.GetInvalidPathChars(); //取得系統不合法的目錄字元

    char[] e = Path.GetInvalidFileNameChars(); //取得系統不合法的檔案字元

}