Test_Tools/DirFile.cs

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using System;
using System.IO;

namespace Tools
{
    /// <summary>
    /// 目录及文件操作
    /// 编码为utf-8
    /// </summary>
    public static class DirFile
    {
        /// <summary>
        /// 创建目录
        /// </summary>
        /// <param name="dir">此地路径相对站点而言</param>
        public static void CreateDir(string dir)
        {
            if (dir.Length == 0) return;
            if (!System.IO.Directory.Exists(System.Web.HttpContext.Current.Server.MapPath(dir)))
                System.IO.Directory.CreateDirectory(System.Web.HttpContext.Current.Server.MapPath(dir));
        }
        /// <summary>
        /// 创建目录路径
        /// </summary>
        /// <param name="folderPath">物理路径</param>
        public static void CreateFolder(string folderPath)
        {
            if (!System.IO.Directory.Exists(folderPath))
                System.IO.Directory.CreateDirectory(folderPath);
        }
        /// <summary>
        /// 删除目录
        /// </summary>
        /// <param name="dir">此地路径相对站点而言</param>
        public static void DeleteDir(string dir)
        {
            if (dir.Length == 0) return;
            if (System.IO.Directory.Exists(System.Web.HttpContext.Current.Server.MapPath(dir)))
                System.IO.Directory.Delete(System.Web.HttpContext.Current.Server.MapPath(dir), true);
        }
        /// <summary>
        /// 判断文件是否存在
        /// </summary>
        /// <param name="file">格式:a/b.htm,相对根目录</param>
        /// <returns></returns>
        public static bool FileExists(string file)
        {
            if (File.Exists(System.Web.HttpContext.Current.Server.MapPath(file)))
                return true;
            else
                return false;
        }
        /// <summary>
        /// 读取文件内容
        /// </summary>
        /// <param name="file">格式:a/b.htm,相对根目录</param>
        /// <returns></returns>
        public static string ReadFile(string file)
        {
            if (!FileExists(file))