using System;
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using System.Collections.Generic;
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using System.IO;
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using HDL_ON.Entity;
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namespace HDL_ON.Common
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{
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public class FileUtlis
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{
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static Common.FileUtlis _temp;
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public static Common.FileUtlis Files
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{
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get
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{
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if (_temp == null)
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{
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_temp = new Common.FileUtlis();
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}
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return _temp;
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}
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}
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/// <summary>
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/// 根目录
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/// </summary>
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string RootPath = Environment.GetFolderPath(System.Environment.SpecialFolder.Personal) + "/";
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/// <summary>
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/// 住宅文件夹路径
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/// </summary>
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string regionPath;
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string RegionPath
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{
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get
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{
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if (string.IsNullOrEmpty(regionPath))
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{
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regionPath = Path.Combine(RootPath, DB_ResidenceData.residenceData.CurReginID);
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if (!Directory.Exists(regionPath))
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{
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Directory.CreateDirectory(regionPath);
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}
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}
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return regionPath + "/";
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}
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}
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/// <summary>
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/// 用户信息路径
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/// </summary>
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string userInfoPath
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{
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get
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{
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return "UserInfo_File";
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}
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}
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/// <summary>
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/// 遍历文件
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/// </summary>
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public List<string> ReadFiles()
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{
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List<string> listFiles = new List<string>();
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DirectoryInfo TheFolder = new DirectoryInfo(RegionPath);
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foreach (FileInfo NextFile in TheFolder.GetFiles())
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{
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listFiles.Add(NextFile.Name);
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}
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return listFiles;
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}
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/// <summary>
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/// Deletes the file.
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/// </summary>
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/// <param name="fileName">File name.</param>
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public void DeleteFile(string fileName)
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{
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File.Delete(Path.Combine(RegionPath, fileName));
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MainPage.Log("删除文件名为：" + fileName);
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}
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/// <summary>
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/// Deletes all file.
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/// </summary>
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public void DeleteAllFile()
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{
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List<string> filesList = ReadFiles();
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for (int j = 0; j < filesList.Count; j++)
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{
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var f = filesList[j];
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DeleteFile(f);
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}
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}
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/// <summary>
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/// Writes the file by bytes.
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/// </summary>
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/// <returns><c>true</c>, if file by bytes was writed, <c>false</c> otherwise.</returns>
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/// <param name="fileName">File name.</param>
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/// <param name="bytes">Bytes.</param>
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public bool WriteFileByBytes(string fileName, byte[] bytes)
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{
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if (fileName == null || (fileName = fileName.Trim()) == (""))
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{
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return false;
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}
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FileStream fs = null;
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try
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{
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fs = new FileStream(Path.Combine(RegionPath, fileName), FileMode.Create, FileAccess.Write);
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fs.Write(bytes, 0, bytes.Length);
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fs.Flush();
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MainPage.Log("SaveFile:" + fileName);
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return true;
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}
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catch (Exception ex)
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{
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MainPage.Log("FileUtiles Code 113:" + ex.ToString());
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return false;
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}
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finally
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{
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try
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{
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if (fs != null)
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{
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fs.Close();
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}
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}
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catch (Exception ex)
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{
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MainPage.Log("FileUtils Code 121 :" + ex.ToString());
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}
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}
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}
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public byte[] ReadFile(string fileName)
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{
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FileStream fs = null;
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try
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{
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if (File.Exists(Path.Combine(RegionPath, fileName)))
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{
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fs = new FileStream(Path.Combine(RegionPath, fileName), FileMode.Open, FileAccess.Read);
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}
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else if (File.Exists(fileName))
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{
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fs = new FileStream(fileName, FileMode.Open, FileAccess.Read);
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}
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else
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{
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return new byte[0];
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}
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byte[] bytes = new byte[fs.Length];
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fs.Read(bytes, 0, bytes.Length);
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return bytes;
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}
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catch
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{
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return new byte[0];
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}
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finally
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{
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try
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{
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if (fs != null)
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{
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fs.Close();
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}
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}
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catch
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{
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}
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}
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}
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}
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}
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