刪除文件夾下的文件（轉）

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.IO;

namespace YourNamespace
{
    public class DelFile
    {
        /// <summary>
        /// 指定目錄、起始結束時間、擴展名刪除文件
        /// </summary>
        /// <param name="start">開始時間</param>
        /// <param name="end">結束時間</param>
        /// <param name="filter">過濾字符串，例如：*.txt</param>
        /// <param name="directory_path">目錄的絕對路徑或相對路徑</param>
        /// <param name="recursion">是否刪除子目錄中符合條件的文件</param>
        public static void DelFile(DateTime start,DateTime end,string filter,string directory_path,bool recursion)
        {
            foreach (string filepath in Directory.GetFiles(directory_path, filter, recursion?SearchOption.AllDirectories: SearchOption.TopDirectoryOnly))
            {
                FileInfo fi = new FileInfo(filepath);
                if (fi.CreationTime >= begin && fi.CreationTime <= end)
                {
                    fi.Delete();
                }
            }           
        }
    }
}



調用方法

C# code

YourNamespace.DelFile.DelFile( DateTime.ParseExact("2010/03/03", "yyyy/MM/dd", null),//開始時間 DateTime.ParseExact("2010/11/03", "yyyy/MM/dd", null),//結束時間 "*.txt",//過濾器 @"D:/test",//目錄 true);//遞歸刪除