Common/FileHelper.cs

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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web;
using System.Drawing;
using System.Diagnostics;
using System.IO;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Security.Cryptography;
using System.Text.RegularExpressions;
using System.Web.UI;
using Microsoft.VisualBasic;
using System.Collections;
using System.Net;
using Scripting;



namespace WMPT.Common
{
    public static class FileHelper
    {
        /// <summary>
        /// 返回文件是否存在
        /// </summary>
        /// <param name="filename">文件名</param>
        /// <returns>是否存在</returns>
        public static bool FileExists(string filename)
        {
            return System.IO.File.Exists(filename);
        }

        /// <summary>
        /// 建立文件夹
        /// </summary>
        /// <param name="name"></param>
        /// <returns></returns>
        public static bool CreateDir(string name)
        {
            return FileHelper.MakeSureDirectoryPathExists(name);
        }

        /// <summary>
        /// 创建目录
        /// </summary>
        /// <param name="name">名称</param>
        /// <returns>创建是否成功</returns>
        [DllImport("dbgHelp", SetLastError = true)]
        private static extern bool MakeSureDirectoryPathExists(string name);

        /// <summary>
        /// 判断目录是否存在
        /// </summary>
        /// <param name="directoryPath"></param>
        /// <returns></returns>
        public static bool IsDirectoryExists(string directoryPath)
        {