asp.net 压缩解压缩zip文件(9)

        /// 压缩 
        /// </summary> 
        /// <param name="FileToZip">待压缩的文件目录</param> 
        /// <param name="ZipedFile">生成的目标文件</param> 
        /// <param name="level">6</param> 
        public static bool Zip(String FileToZip, String ZipedFile, int level) 
        { 
            if (Directory.Exists(FileToZip)) 
            { 
                return ZipFileDictory(FileToZip, ZipedFile, level); 
            } 
            else if (File.Exists(FileToZip)) 
            { 
                return ZipFile(FileToZip, ZipedFile, level); 
            } 
            else 
            { 
                return false; 
            } 
        } 
 
        /// <summary> 
        /// 解压 
        /// </summary> 
        /// <param name="FileToUpZip">待解压的文件</param> 
        /// <param name="ZipedFolder">解压目标存放目录</param> 
        public static void UnZip(string FileToUpZip, string ZipedFolder) 
        { 
            if (!File.Exists(FileToUpZip)) 
            { 
                return; 
            } 
            if (!Directory.Exists(ZipedFolder))