class Program
{static void Main(string[] args){string strDirfile = Properties.Settings.Default.DB_FILE_PATH;Console.WriteLine("strDirfile{0}", strDirfile);int keepFileCnt = int.Parse(Properties.Settings.Default.KEEP_FILE_CNT);try{if (string.IsNullOrEmpty(strDirfile) || !Directory.Exists(strDirfile)){Console.WriteLine("配置的文件的路径不正确请检查{0}" + strDirfile);}if (keepFileCnt <= 0){Console.WriteLine("没有配置删除的天数");}if (strDirfile != null){if (Directory.Exists(strDirfile)){string[] strDirs = Directory.GetDirectories(strDirfile);string[] strFiles = Directory.GetFiles(strDirfile);DBNameAndTime file = new DBNameAndTime();if (strFiles != null){foreach (string strFile in strFiles){if (strFile != null){FileInfo fi = new FileInfo(strFile);string[] strArr = fi.Name.Split('.');file.DataName = fi.Name; file.FileTime = strArr[5]; file.Url = strFile;DateTime dt1 = DateTime.Now; if (strArr.Length > 0){IFormatProvider provider = new CultureInfo("zh-CN");string tarStr = "yyyyMMddHHmmss";DateTime dt2 = DateTime.ParseExact(file.FileTime.ToString(), tarStr, provider);TimeSpan ts = dt1 - dt2;Console.WriteLine("时间天数:{0}", ts);if (ts.TotalDays >= keepFileCnt){if (strFile != null){File.Delete(strFile);using (StreamWriter sw = new StreamWriter(strDirfile + "数据库备份的删除日志.txt", true)){sw.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + "数据库备份删除开始:" + "删除的路径:" + strDirfile + "删除数据库备份的名称" + strFile);}Console.WriteLine("{0}数据库备份文件删除成功！", DateTime.Now);}else{Console.WriteLine("删除文件失败！");}}else{Console.WriteLine("其他的备份文件都是最新的没有3天前的备份！");}}}}}//保存删除的根目录的文件夹foreach (string strdir in strDirs){Directory.Delete(strdir, true);}}else{Console.WriteLine("此目录中只有根目录了！");}}else{Console.WriteLine("此目录不存在！");}}catch (Exception ex){//将数据库备份的异常写入到记事本中using (StreamWriter sw = new StreamWriter(strDirfile + "数据库备份的删除日志.txt", true)){sw.WriteLine(DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + "备份文件都是最新的没有3天前的备份" + ex.Message);}}}}
//进行声明备份数据库的类
public class DBNameAndTime
{private string fileName;/// <summary>/// 文件名称/// </summary>public string FileName { get { return fileName; } set { fileName = value; } }private string fileTime;/// <summary>/// 文件的最后修改时间/// </summary>public string FileTime { get { return fileTime; } set { fileTime = value; } }private string dataName;/// <summary>/// 数据库名称/// </summary>public string DataName { get { return dataName; } set { dataName = value; } }private string url;/// <summary>/// 文件路径/// </summary>public string Url { get { return url; } set { url = value; } }public string DownUrl { get { return fileName; } }
}