C#磁盘大小管理操作类

/*************************************************************************************************** * Filename: DriveInfoLibrary.cs * Module: 磁盘管理操作类 * Copyright: 2008 穗联软件 版权所有 * Author: 周林郁 * Created Date: 2008-10-20 * Last Modified Data: * Description: ***************************************************************************************************/ using System; using System.Collections.Generic; using System.Text; using System.IO; namespace MonitorService.IOLibrary { /// <summary> /// 磁盘驱动器信息实体 /// </summary> public class DriveInfoModel { /// <summary> /// 磁盘名称 /// </summary> public string DriveName{get;set;} /// <summary> /// 磁盘总容量 /// </summary> public string DriveSize { get; set; } /// <summary> /// 磁盘剩余空间 /// </summary> public string DriveFree { get; set; } /// <summary> /// 磁盘已使用空间 /// </summary> public string DriveSpent { get; set; } /// <summary> /// 磁盘格式FAT,FAT32,NTFS /// </summary> public string DriveFormat{get;set;} } public class IOInfo { /// <summary> /// 获取所有磁盘驱动器信息 /// </summary> /// <returns></returns> public static IList<DriveInfoModel> GetAllDrive() { IList<DriveInfoModel> models = new List<DriveInfoModel>(); //实例化列表 DriveInfo[] dis = DriveInfo.GetDrives(); //获取当前所有磁盘信息 foreach (DriveInfo di in dis) //叠代分析当前磁盘 { if (di.DriveType == DriveType.Fixed && di.IsReady) //只找硬盘磁盘 { DriveInfoModel model = new DriveInfoModel(); model.DriveFormat = di.DriveFormat; //磁盘格式 model.DriveName = di.Name; //磁盘名称 //string.Format("{0:0,00}",a);// 12,345,678 //model.DriveSize = (di.TotalSize / 1024 / 1024).ToString("n") + "MB"; //磁盘大小计算 //model.DriveSize = string.Format("{0:0,00}",di.TotalSize / 1024 / 1024) + " MB"; //磁盘大小计算 //model.DriveFree = string.Format("{0:0,00}",di.TotalFreeSpace / 1024 / 1024) + " MB"; //model.DriveSpent = string.Format("{0:0,00}", (di.TotalSize - di.TotalFreeSpace) / 1024 / 1024) + " MB"; model.DriveSize = (di.TotalSize / 1024 / 1024).ToString(); //磁盘大小计算 model.DriveFree = (di.TotalFreeSpace / 1024 / 1024).ToString(); model.DriveSpent = ((di.TotalSize - di.TotalFreeSpace) / 1024 / 1024).ToString(); models.Add(model); } } return models; } public static DriveInfoModel GetDrive(string DriveName) { DriveInfo[] dis = DriveInfo.GetDrives(); foreach (DriveInfo di in dis) { if (di.DriveType == DriveType.Fixed && di.IsReady && di.Name.Substring(0, 1).ToUpper() == DriveName.ToUpper()) { DriveInfoModel model = new DriveInfoModel(); model.DriveFormat = di.DriveFormat; //磁盘格式 model.DriveName = di.Name; //磁盘名称 //string.Format("{0:0,00}",a);// 12,345,678 //model.DriveSize = (di.TotalSize / 1024 / 1024).ToString("n") + "MB"; //磁盘大小计算 model.DriveSize = (di.TotalSize / 1024 / 1024).ToString(); //磁盘大小计算 model.DriveFree = (di.TotalFreeSpace / 1024 / 1024).ToString(); model.DriveSpent = ((di.TotalSize - di.TotalFreeSpace) / 1024 / 1024).ToString(); return model; } } return null; } /// <summary> /// 获取指定文件夹的大小 /// </summary> /// <param name="path">目录路径 C://VideoStream//</param> /// <returns>Null则表示文件夹不存在</returns> public static string GetDirectorySize(string path) { //取得目录大小 long l=getDirectorySize(path); if (l == -1) //目录无效 return null; else { //根据大小返回不同单位 if ((l / 1024) < 1024) { return (l / 1024).ToString() + "KB"; } else { return (l / 1024 / 1024).ToString()+"MB"; } } } /// <summary> /// 获取指定文件夹的大小 /// </summary> /// <param name="path"></param> /// <returns></returns> private static long getDirectorySize(string path) { long result = 0; DirectoryInfo info = new DirectoryInfo(path); //目录无效 if (!info.Exists) return -1; foreach (FileInfo fi in info.GetFiles()) { //累加当前文件的大小 result += fi.Length; } foreach (DirectoryInfo di in info.GetDirectories()) { //累加当前文件夹大小，递归 result+=getDirectorySize(di.FullName); } return result; } /// <summary> /// 删除指定的文件夹 /// </summary> /// <param name="path"></param> /// <returns></returns> public static bool DeleteDirectory(string path) { DirectoryInfo info = new DirectoryInfo(path); //目录无效 if (!info.Exists) return false; bool result = false; try { info.Delete(true);//删除动作 result = true; } catch { result = false; } return result; } /// <summary> /// 清除指定文件夹里面的文件，文件夹 /// </summary> /// <param name="path"></param> /// <returns></returns> public static bool ClearDirectory(string path) { DirectoryInfo info = new DirectoryInfo(path); //目录无效 if (!info.Exists) return false; bool result = false; try { foreach (DirectoryInfo di in info.GetDirectories()) {//删除指定文件夹下面的所有文件夹 di.Delete(true); } foreach (FileInfo fi in info.GetFiles()) {//删除指定文件夹下面的所有文件 fi.Delete(); } result = true; } catch { result = false; } return result; } } }