381 lines
14 KiB
C#
381 lines
14 KiB
C#
using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using UnityEngine;
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using UnityEngine.Networking;
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namespace GuruClient
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{
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public static partial class Utility
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{
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/// <summary>
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/// 文件工具
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/// 正则表达式测试地址：https://www.regexpal.com
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/// </summary>
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public static partial class Files
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{
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/// <summary>
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/// 文件夹是否可写
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/// </summary>
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/// <param name="path"></param>
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/// <returns></returns>
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public static bool HasWriteAccess(string path)
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{
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if (!Directory.Exists(path)) return false;
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try
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{
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string tmpFilePath = Path.Combine(path, System.IO.Path.GetRandomFileName());
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using (FileStream fs = new FileStream(tmpFilePath, FileMode.CreateNew, FileAccess.ReadWrite, FileShare.ReadWrite))
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{
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StreamWriter writer = new StreamWriter(fs);
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writer.Write("1");
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}
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File.Delete(tmpFilePath);
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return true;
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}
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catch
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{
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return false;
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}
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}
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/// <summary>
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/// 获取所有文件路径
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/// </summary>
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/// <param name="path"></param>
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/// <param name="extents"></param>
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/// <returns></returns>
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public static string[] GetFiles(string path, params string[] extents)
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{
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if (extents.Length > 0)
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{
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return Directory.GetFiles(path, "*.*", SearchOption.AllDirectories)
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.Where(f => extents.Contains(Path.GetExtension(f))).ToArray();
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}
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else
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{
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return Directory.GetFiles(path, "*.*", SearchOption.AllDirectories);
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}
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}
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/// <summary>
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/// 获取传入后缀以外的所有文件
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/// </summary>
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/// <param name="path"></param>
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/// <param name="extents"></param>
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/// <returns></returns>
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public static string[] GetFilesExcept(string path, params string[] extents)
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{
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if (extents.Length > 0)
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{
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return Directory.GetFiles(path, "*.*", SearchOption.AllDirectories)
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.Where(f => !extents.Contains(Path.GetExtension(f))).ToArray();
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}
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else
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{
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return Directory.GetFiles(path, "*.*", SearchOption.AllDirectories);
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}
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}
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/// <summary>
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/// 删除文件夹
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/// </summary>
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/// <param name="folderPath"></param>
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/// <returns></returns>
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public static bool DeleteDir(string path)
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{
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try
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{
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if (string.IsNullOrEmpty(path)) return true;
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if (!Directory.Exists(path)) return true;
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Directory.Delete(path, true);
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return true;
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}
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catch (System.Exception ex)
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{
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Debug.Log(string.Format("SafeDeleteDir failed! path = {0} with err: {1}", path, ex.Message));
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return false;
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}
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}
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/// <summary>
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/// 删除文件
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/// </summary>
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/// <param name="path"></param>
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/// <returns></returns>
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public static bool DeleteFile(string path)
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{
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try
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{
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if (string.IsNullOrEmpty(path)) return true;
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if (!File.Exists(path)) return true;
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File.Delete(path);
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return true;
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}
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catch (System.Exception ex)
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{
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Debug.Log(string.Format("DeleteFile failed! path = {0} with err: {1}", path, ex.Message));
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return false;
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}
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}
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/// <summary>
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/// 删除指定文件夹下所有文件
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/// </summary>
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/// <param name="path"></param>
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/// <param name="extents"></param>
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public static void DeleteFiles(string path, params string[] extents)
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{
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var files = GetFiles(path, extents);
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for (var i = 0; i < files.Length; i++) DeleteFile(files[i]);
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}
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/// <summary>
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/// 删除指定文件夹下所有文件
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/// </summary>
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/// <param name="path"></param>
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/// <param name="extents"></param>
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public static void DeleteFilesExcept(string path, params string[] extents)
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{
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var files = GetFilesExcept(path, extents);
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for (var i = 0; i < files.Length; i++) DeleteFile(files[i]);
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}
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/// <summary>
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/// 清除空文件夹
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/// </summary>
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/// <param name="path"></param>
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/// <param name="self">根目录为空时，是否删除根目录</param>
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public static void DeleteEmptyDirs(string path, bool self = false)
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{
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if (!Directory.Exists(path)) return;
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// 获取所有文件夹和文件
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var entries = Directory.GetFileSystemEntries(path, "*", SearchOption.AllDirectories);
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if (entries.Length > 0)
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{
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foreach (var p in entries)
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{
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// 跳过文件，只考虑文件夹
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if (File.Exists(p)) continue;
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if (Directory.Exists(p))
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{
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// 如果文件夹里没有了文件，则删除这个文件夹
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var files = Directory.GetFiles(p, "*", SearchOption.AllDirectories);
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if (files.Length == 0) Directory.Delete(p, true);
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}
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}
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// 删除自己
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if (self)
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{
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entries = Directory.GetFileSystemEntries(path, "*", SearchOption.AllDirectories);
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if (entries.Length == 0) Directory.Delete(path);
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}
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}
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else
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{
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// 删除自己
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if (self) Directory.Delete(path);
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}
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}
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/// <summary>
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/// 重命名文件
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/// </summary>
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/// <param name="sourceFileName"></param>
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/// <param name="destFileName"></param>
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/// <returns></returns>
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public static bool RenameFile(string sourceFileName, string destFileName)
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{
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try
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{
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if (string.IsNullOrEmpty(sourceFileName)) return false;
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if (!File.Exists(sourceFileName)) return false;
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DeleteFile(destFileName);
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File.Move(sourceFileName, destFileName);
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return true;
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}
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catch (System.Exception ex)
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{
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Debug.Log(string.Format("RenameFile failed! path = {0} with err: {1}", sourceFileName, ex.Message));
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return false;
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}
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}
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/// <summary>
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/// 读取字节数组
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/// </summary>
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/// <param name="path"></param>
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/// <returns></returns>
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public static byte[] ReadAllBytes(string path)
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{
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try
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{
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if (string.IsNullOrEmpty(path)) return null;
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if (!File.Exists(path)) return null;
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return File.ReadAllBytes(path);
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// return Encoding.UTF8.GetBytes(File.ReadAllText(path));
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}
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catch (System.Exception ex)
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{
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Debug.Log($"ReadAllBytes failed! path = {path} with err = {ex.Message}");
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return null;
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}
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}
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/// <summary>
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/// 将字节数组写入指定文件
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/// </summary>
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/// <param name="path"></param>
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/// <param name="bytes"></param>
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/// <returns></returns>
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public static bool WriteAllBytes(string path, byte[] bytes)
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{
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try
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{
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if (string.IsNullOrEmpty(path)) return false;
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var dir = Path.GetDirectoryName(path);
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if (Directory.Exists(dir)) Directory.CreateDirectory(dir);
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if (!File.Exists(path)) return false;
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File.WriteAllBytes(path, bytes);
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return true;
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}
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catch (System.Exception ex)
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{
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Debug.Log(string.Format("WriteAllBytes failed! path = {0} with err = {1}", path, ex.Message));
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return false;
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}
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}
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/// <summary>
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/// 将字符串写入指定文件
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/// </summary>
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/// <param name="path">文件路径</param>
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/// <param name="content">文件内容</param>
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/// <returns></returns>
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public static bool WriteStringToFile(string path, string content)
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{
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try
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{
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if (string.IsNullOrEmpty(path)) return false;
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var dir = Path.GetDirectoryName(path);
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if (Directory.Exists(dir)) Directory.CreateDirectory(dir);
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//这里的FileMode.create是创建这个文件,如果文件名存在则覆盖重新创建
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FileStream fs = new FileStream(path, FileMode.Create);
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//存储时时二进制,所以这里需要把我们的字符串转成二进制
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byte[] bytes = new UTF8Encoding().GetBytes(content);
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fs.Write(bytes, 0, bytes.Length);
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//每次读取文件后都要记得关闭文件
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fs.Close();
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return true;
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}
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catch (System.Exception e)
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{
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Debug.Log(e);
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return false;
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}
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}
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/// <summary>
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/// 从文件读取内容
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/// </summary>
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/// <param name="path">文件路径</param>
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/// <returns></returns>
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public static string ReadStringFromFile(string path)
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{
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try
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{
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if (string.IsNullOrEmpty(path)) return "";
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if (File.Exists(path))
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{
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FileStream fs = new FileStream(path, FileMode.Open);
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byte[] bytes = new byte[fs.Length];
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fs.Read(bytes, 0, bytes.Length);
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string content = new UTF8Encoding().GetString(bytes);
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fs.Close();
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return content;
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}
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return "";
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}
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catch (System.Exception e)
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{
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Debug.Log(e);
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return "";
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}
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}
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//从StreamingAssets拷贝到读写目录
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public static void CopyStreamingAssetsFile(string from, string dest)
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{
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try
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{
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if (Application.platform == RuntimePlatform.Android)
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{
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using (UnityWebRequest request = UnityWebRequest.Get(Application.streamingAssetsPath + "/" + from))
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{
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request.timeout = 5;
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request.downloadHandler = new DownloadHandlerFile(dest);//直接将文件下载到外存
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request.SendWebRequest();
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//等待下载完成
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while (!request.isDone){}
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request.Abort();
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//默认值是true，调用该方法不需要设置Dispose()，Unity就会自动在完成后调用Dispose()释放资源。
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request.disposeDownloadHandlerOnDispose = true;
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request.Dispose();
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}
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}
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else
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{
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File.Copy(Application.streamingAssetsPath + "/" + from, dest, true);
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}
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}
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catch (System.Exception e)
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{
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}
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}
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/// <summary>
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///读取StreamingAssets中的文件
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/// </summary>
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/// <param name="path">StreamingAssets下的文件路径</param>
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/// <returns>读取到的字符串</returns>
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public static string GetTextFromStreamingAssets(string path)
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{
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string localPath = "";
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if (Application.platform == RuntimePlatform.Android)
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{
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localPath = Application.streamingAssetsPath + "/" + path;
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}
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else
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{
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localPath = "file:///" + Application.streamingAssetsPath + "/" + path;
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}
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UnityWebRequest requrest = UnityWebRequest.Get(localPath);
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var operation = requrest.SendWebRequest();
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while (!operation.isDone)
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{
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}
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if (requrest.result == UnityWebRequest.Result.ConnectionError || requrest.result == UnityWebRequest.Result.ProtocolError)
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{
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return "";
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}
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else
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{
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return requrest.downloadHandler.text;
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}
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}
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}
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}
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}
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