100 分求助. 删除文件问题.马上结帖

Question

怎么删除所有文件名为 a 的任意后缀文件比如 a.exe   a.bat   a.com   全删

Answer 1

添加System.IO命名空间
            foreach (string file in Directory.GetFiles("C:\\test"))
            {
                string[] tmps = file.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
                if (tmps.Length == 2 && tmps[0] == "a")
                {
                    File.Delete(file);
                }
            }

Answer 2

FileInfo[] fis = d.GetFiles();
       foreach (FileInfo fi in fis) 
        {      
....  
        }

Answer 3

try
{
String[] files = Directory.GetFiles ("x:\abc","a.*");
foreach(String item in fiels)
{
    File.Delete(item);
}
}
catch(IOException ex)
{
  ...
}
catch(UnauthorizedAccessException ex)
{
 ...
}

Answer 4

del a.*把这字符串写入一个bat文件，然后再运行，这样比写代码来检索文件快多了。

Answer 5

foreach(string file in Directory.GetFiles("目录名","a.*",SearchOption.AllDirectories"))
{
   File.Delete(file);
}

Answer 6

private void deleteDirectories(string path)
        {
            string[] fileNames = Directory.GetFiles(path,"a.*");
            string[] directories = Directory.GetDirectories(path);
            foreach (string file in fileNames)
            {
                System.IO.FileInfo info = new FileInfo(file);
                System.IO.File.Delete(file);
            }
            foreach (string dir in directories)
            {
                deleteDirectories(dir);
            }
        }

Answer 7

FileInfo[] fis = d.GetFiles();
       foreach (FileInfo fi in fis) 
        {    
if(Fi.Name.split('.')[0] == "a")
{
File.Delete(file);
}
          }

Answer 8

private void deleteDirectories(string path)
        {
            string[] fileNames = Directory.GetFiles(path,"a.*");
            string[] directories = Directory.GetDirectories(path);
            foreach (string file in fileNames)
            {
                System.IO.FileInfo info = new FileInfo(file);
                System.IO.File.Delete(file);
            }
            foreach (string dir in directories)
            {
                deleteDirectories(dir);
            }
        }