本文实例讲述了C#实现安全删除文件目录的方法。分享给大家供大家参考。具体分析如下:
1. 创建文件夹 (简单,没多考虑)
2. 删除所建文件夹:为防止删除过程中有其他进程引用该文件夹中文件,增加了对此意外情况的考虑。
在本例中,若删除过程中被其他进程引用,等待并循环5次尝试再次删除操作。长时间无法被删除,则删除文件目录失败
using System; using System.IO; namespace Retry { class Program { static void Main(string[] args) { DirectoryInfo dirInfo = Directory.CreateDirectory(@\"C:\\TestDir\"); string folderName = System.Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData) + \"\\\\TestDir\"; if (!Directory.Exists(folderName)) { Directory.CreateDirectory(folderName); Console.WriteLine(\"{0} created! \",folderName); } int retryTimes = 1; do { if (Directory.Exists(folderName)) { try { Console.WriteLine(\"Tring to delete file the {0} time.\",retryTimes); Directory.Delete(folderName, true); Console.WriteLine(\"Deleting file successfully.\"); break; } catch (IOException ex) { Console.WriteLine(\"Exception! \", ex.ToString()); Console.WriteLine(\"Sleep 5 seconds and retry.\"); System.Threading.Thread.Sleep(5000); retryTimes++; } } else { Console.WriteLine(\"Delete folder successfully\"); break; } } while (retryTimes <= 5); if (Directory.Exists(folderName)) Console.WriteLine(\"Deleting folder failed.\"); Console.WriteLine(\"Done\"); Console.ReadKey(); } } }
希望本文所述对大家的C#程序设计有所帮助。
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