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Assets/00.StaryEvo/Editor/Res/FileHelper.cs

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+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+
+namespace Stary.Evo.Editor
+{
+    /// <summary>
+    ///     文件辅助类
+    /// </summary>
+    public static class FileHelper
+    {
+        /// <summary>
+        ///     编码方式
+        /// </summary>
+        private static readonly Encoding Encoding = Encoding.UTF8;
+
+        /// <summary>
+        ///     递归取得文件夹下文件
+        /// </summary>
+        /// <param name="dir"></param>
+        /// <param name="list"></param>
+        public static void GetFiles(string dir, List<string> list)
+        {
+            GetFiles(dir, list, new List<string>());
+        }
+        /// <summary>
+        ///     递归取得文件夹下文件
+        /// </summary>
+        /// <param name="dir"></param>
+        /// <param name="list"></param>
+        /// <param name="fileExtsions"></param>
+        public static void GetFiles(string dir, List<string> list, List<string> fileExtsions)
+        {
+            //添加文件 
+            string[] files = Directory.GetFiles(dir);
+            if (fileExtsions.Count > 0)
+            {
+                foreach (string file in files)
+                {
+                    string extension = Path.GetExtension(file);
+                    if (extension != null && fileExtsions.Contains(extension))
+                    {
+                        list.Add(file);
+                    }
+                }
+            }
+            else
+            {
+                list.AddRange(files);
+            }
+            //如果是目录，则递归
+            DirectoryInfo[] directories = new DirectoryInfo(dir).GetDirectories();
+            foreach (DirectoryInfo item in directories)
+            {
+                GetFiles(item.FullName, list, fileExtsions);
+            }
+        }
+
+        /// <summary>
+        ///     写入文件
+        /// </summary>
+        /// <param name="filePath">文件名</param>
+        /// <param name="content">文件内容</param>
+        public static void WriteFile(string filePath, string content)
+        {
+            try
+            {
+                var fs = new FileStream(filePath, FileMode.Create);
+                Encoding encode = Encoding;
+                //获得字节数组
+                byte[] data = encode.GetBytes(content);
+                //开始写入
+                fs.Write(data, 0, data.Length);
+                //清空缓冲区、关闭流
+                fs.Flush();
+                fs.Close();
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine(ex.Message);
+            }
+        }
+
+        /// <summary>
+        ///     读取文件
+        /// </summary>
+        /// <param name="filePath"></param>
+        /// <returns></returns>
+        public static string ReadFile(string filePath)
+        {
+            return ReadFile(filePath, Encoding);
+        }
+
+        /// <summary>
+        ///     读取文件
+        /// </summary>
+        /// <param name="filePath"></param>
+        /// <param name="encoding"></param>
+        /// <returns></returns>
+        public static string ReadFile(string filePath, Encoding encoding)
+        {
+            using (var sr = new StreamReader(filePath, encoding))
+            {
+                return sr.ReadToEnd();
+            }
+        }
+
+        /// <summary>
+        ///     读取文件
+        /// </summary>
+        /// <param name="filePath"></param>
+        /// <returns></returns>
+        public static List<string> ReadFileLines(string filePath)
+        {
+            var str = new List<string>();
+            using (var sr = new StreamReader(filePath, Encoding))
+            {
+                String input;
+                while ((input = sr.ReadLine()) != null)
+                {
+                    str.Add(input);
+                }
+            }
+            return str;
+        }
+
+        /// <summary>
+        ///     复制文件夹（及文件夹下所有子文件夹和文件）
+        /// </summary>
+        /// <param name="sourcePath">待复制的文件夹路径</param>
+        /// <param name="destinationPath">目标路径</param>
+        public static void CopyDirectory(String sourcePath, String destinationPath)
+        {
+            var info = new DirectoryInfo(sourcePath);
+            Directory.CreateDirectory(destinationPath);
+            foreach (FileSystemInfo fsi in info.GetFileSystemInfos())
+            {
+                String destName = Path.Combine(destinationPath, fsi.Name);
+
+                if (fsi is FileInfo) //如果是文件，复制文件
+                    File.Copy(fsi.FullName, destName);
+                else //如果是文件夹，新建文件夹，递归
+                {
+                    Directory.CreateDirectory(destName);
+                    CopyDirectory(fsi.FullName, destName);
+                }
+            }
+        }
+
+        /// <summary>
+        ///     删除文件夹（及文件夹下所有子文件夹和文件）
+        /// </summary>
+        /// <param name="directoryPath"></param>
+        public static void DeleteFolder(string directoryPath)
+        {
+            foreach (string d in Directory.GetFileSystemEntries(directoryPath))
+            {
+                if (File.Exists(d))
+                {
+                    var fi = new FileInfo(d);
+                    if (fi.Attributes.ToString().IndexOf("ReadOnly", StringComparison.Ordinal) != -1)
+                        fi.Attributes = FileAttributes.Normal;
+                    File.Delete(d); //删除文件   
+                }
+                else
+                    DeleteFolder(d); //删除文件夹
+            }
+            Directory.Delete(directoryPath); //删除空文件夹
+        }
+
+        /// <summary>
+        ///     清空文件夹（及文件夹下所有子文件夹和文件）
+        /// </summary>
+        /// <param name="directoryPath"></param>
+        public static void ClearFolder(string directoryPath)
+        {
+            foreach (string d in Directory.GetFileSystemEntries(directoryPath))
+            {
+                if (File.Exists(d))
+                {
+                    var fi = new FileInfo(d);
+                    if (fi.Attributes.ToString().IndexOf("ReadOnly", StringComparison.Ordinal) != -1)
+                        fi.Attributes = FileAttributes.Normal;
+                    File.Delete(d); //删除文件   
+                }
+                else
+                    DeleteFolder(d); //删除文件夹
+            }
+        }
+
+        /// <summary>
+        ///     取得文件大小，按适当单位转换
+        /// </summary>
+        /// <param name="filepath"></param>
+        /// <returns></returns>
+        public static string GetFileSize(string filepath)
+        {
+            string result = "0KB";
+            if (File.Exists(filepath))
+            {
+                var size = new FileInfo(filepath).Length;
+                int filelength = size.ToString().Length;
+                if (filelength < 4)
+                    result = size + "byte";
+                else if (filelength < 7)
+                    result = Math.Round(Convert.ToDouble(size / 1024d), 2) + "KB";
+                else if (filelength < 10)
+                    result = Math.Round(Convert.ToDouble(size / 1024d / 1024), 2) + "MB";
+                else if (filelength < 13)
+                    result = Math.Round(Convert.ToDouble(size / 1024d / 1024 / 1024), 2) + "GB";
+                else
+                    result = Math.Round(Convert.ToDouble(size / 1024d / 1024 / 1024 / 1024), 2) + "TB";
+                return result;
+            }
+            return result;
+        }
+    }
+}