C#实现安全删除文件目录的方法
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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