Asp.Net 文件操作基类(读取,删除,批量拷贝,删除,写入,获取文件夹大小,文件属性,遍历目录)

using System;

using System.Data;

using System.Configuration;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using System.Text;

using System.IO;

namespace EC