批量删除文件夹下包含指定字段的文件

using System;using System.IO;using System.Text.RegularExpressions;class App{static void Main(){Console.WriteLine("##########################【程序使用说明】############################"); Console.WriteLine("--目 的：本程序用来删除指定文件夹下包含指定字段的文件用--------------");Console.WriteLine("--第一步：选择要进行处理的文件夹路径(提示:通过左上角进行粘贴)---------");Console.WriteLine("--第二步：确认是否包含子文件夹文件------------------------------------"); Console.WriteLine("--第三步：输入要文件名匹配的字符串(如果匹配,则该文件将会被删除)-------"); Console.WriteLine("--第四步：确认执行删除操作,下面开始运行程序---------------------------");Console.WriteLine("######################################################################");Console.WriteLine("请输入目录名称：");string strDirectoryName=Console.ReadLine();DirectoryInfo myDI=new DirectoryInfo(strDirectoryName);//删除文件名包含指定字段的文件前Console.WriteLine("是否包含子目录？YES | NO ：");string containChildren=Console.ReadLine().Trim();Console.WriteLine("请输入匹配正则：");string regStr=Console.ReadLine();switch(containChildren.ToLower()){case "yes":Console.WriteLine("删除文件名包含指定字段的文件前文件清单：");using (StreamWriter w = File.AppendText("log.txt")){Log ("【删除前】文件名包含指定字段的文件清单：", w);}ShowDirectoryFilesAllLevel(myDI);Console.WriteLine("确认要删除吗？YES | NO ：");if(Console.ReadLine().ToLower()=="yes"){Console.WriteLine("删除文件名与"+regStr+"匹配的文件...");using (StreamWriter w = File.AppendText("log.txt")){Log ("【删除】文件名与"+regStr+"匹配的文件:", w);}DeleteFilesAllLevel(myDI,regStr);//删除文件名包含指定字段的文件后Console.WriteLine("删除文件名包含指定字段的文件后文件清单：");using (StreamWriter w = File.AppendText("log.txt")){Log ("【删除后】文件夹下文件清单：", w);}ShowDirectoryFilesAllLevel(myDI);Console.WriteLine("执行完毕！按任意键继续...");Console.Read();using (StreamWriter w = File.AppendText("log.txt")){Log ("【执行完毕!】", w);}break;}else{break;}case "no":Console.WriteLine("删除文件名包含指定字段的文件前文件清单：");ShowDirectoryFilesOneLevel(myDI);Console.WriteLine("确认要删除吗？YES | NO ：");if(Console.ReadLine().ToLower()=="yes"){Console.WriteLine("删除文件名与"+regStr+"匹配的文件...");using (StreamWriter w = File.AppendText("log.txt")){Log ("【删除前】文件名包含指定字段的文件清单：", w);}DeleteFilesOneLevel(myDI,regStr);//删除文件名包含指定字段的文件后Console.WriteLine("删除文件名包含指定字段的文件后文件清单：");using (StreamWriter w = File.AppendText("log.txt")){Log ("【删除后】文件夹下文件清单：", w);}ShowDirectoryFilesOneLevel(myDI);using (StreamWriter w = File.AppendText("log.txt")){Log ("【执行完毕!】", w);}break;}else{break;}default:Console.WriteLine("输入不正确，请输入单词：yes或No！");break;}}//获取当前文件夹路径下文件private static void DeleteFilesOneLevel(DirectoryInfo dir,string regStr){FileInfo[] myFileInfo=dir.GetFiles();foreach(FileInfo file in myFileInfo){Regex regex1=new Regex(regStr);bool b=regex1.IsMatch(file.Name);if(b){File.Delete(file.FullName);using (StreamWriter w = File.AppendText("log.txt")){Log ("删除文件："+file.Name, w);}}}}private static void ShowDirectoryFilesOneLevel(DirectoryInfo dir){FileInfo[] myFileInfo=dir.GetFiles();if(myFileInfo.Length==0){Console.WriteLine("当前目录下没有文件！");using (StreamWriter w = File.AppendText("log.txt")){Log ("当前目录下没有文件!", w);}}else{foreach(FileInfo file in myFileInfo){Console.WriteLine(" "+file.Name);using (StreamWriter w = File.AppendText("log.txt")){Log ("文件名称："+file.Name, w);}}}}//递归获取文件夹下文件private static void DeleteFilesAllLevel(DirectoryInfo dir,string regStr){DirectoryInfo[] myDirectoryInfo = dir.GetDirectories();//获取子目录的名称FileInfo[] myFileInfo = dir.GetFiles();//获取文件if(myFileInfo.Length==0){Console.WriteLine("当前目录下没有文件！");using (StreamWriter w = File.AppendText("log.txt")){Log ("当前目录下没有文件!", w);}}else{foreach(FileInfo file in myFileInfo){Regex regex1=new Regex(regStr);bool b=regex1.IsMatch(file.Name);if(b){File.Delete(file.FullName);using (StreamWriter w = File.AppendText("log.txt")){Log ("删除文件："+file.Name, w);}}}}foreach(DirectoryInfo DirInfo in myDirectoryInfo){Console.WriteLine("文件夹："+DirInfo.Name);using (StreamWriter w = File.AppendText("log.txt")){Log ("文件目录："+DirInfo.FullName, w);}DeleteFilesAllLevel(DirInfo,regStr);}}private static void ShowDirectoryFilesAllLevel(DirectoryInfo dir){DirectoryInfo[] myDirectoryInfo = dir.GetDirectories();//获取子目录的名称FileInfo[] myFileInfo = dir.GetFiles();//获取文件foreach(FileInfo file in myFileInfo){Console.WriteLine(""+file.Name);using (StreamWriter w = File.AppendText("log.txt")){Log ("文件名称："+file.Name, w);}}foreach(DirectoryInfo DirInfo in myDirectoryInfo){Console.WriteLine("文件夹："+DirInfo.Name);using (StreamWriter w = File.AppendText("log.txt")){Log ("文件目录："+DirInfo.FullName, w);}ShowDirectoryFilesAllLevel(DirInfo);}}public static void Log (String logMessage, TextWriter w){w.WriteLine("{0}{1}", DateTime.Now.ToString(), logMessage);}}