763 lines
30 KiB
C#
763 lines
30 KiB
C#
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using System;
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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.Net.Http;
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using System.Text;
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using System.Threading;
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using System.Threading.Tasks;
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using System.Web;
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namespace FTP.Models
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{
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public class FilesHelper
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{
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public Dictionary<string, string> directorys = new Dictionary<string, string>();
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public List<string> lists = new List<string>();
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OperationResult operation = new OperationResult();
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public int count = 1;
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public string counts;
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bool flag;
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#region 递归获取Windows目录下的文件和文件夹,返回一个元组
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/// <summary>
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/// 递归获取Windows目录下的文件和文件夹
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/// </summary>
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/// <param name="sourcePath">文件绝对路径</param>
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/// <returns></returns>
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public Tuple<OperationResult, List<string>, Dictionary<string, string>> GetDirectoryAndFile(string sourcePath)
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{
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GetDirectory(sourcePath);
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if (lists.Count > 0)
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{
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operation.isOk = true;
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operation.returnValue = "获取递归文件夹和文件列表成功";
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return new Tuple<OperationResult, List<string>, Dictionary<string, string>>(operation, lists, directorys);
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}
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operation.isOk = false;
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operation.returnValue = "获取递归文件夹和文件列表失败";
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return new Tuple<OperationResult, List<string>, Dictionary<string, string>>(operation, lists, directorys);
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}
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/// <summary>
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/// 递归获取Windows目录下的文件和文件夹
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/// </summary>
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/// <param name="sourcePath">文件绝对路径</param>
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private void GetDirectory(string sourcePath)
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{
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try
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{
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//判断源文件夹是否存在
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if (Directory.Exists(sourcePath))
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{
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//获取源文件夹中的目录及文件路径，存入字符串
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string[] tmp = Directory.GetFileSystemEntries(sourcePath);
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//循环遍历
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for (int i = 0; i < tmp.Length; i++)
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{
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//如果是文件则存入FileList
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if (File.Exists(tmp[i]))
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{
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counts = (++count).ToString();
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lists.Add(sourcePath);
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directorys.Add(counts, tmp[i]);
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}
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else
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{
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GetDirectory(tmp[i]);
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}
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}
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}
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}
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catch (Exception ex)
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{
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return;
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}
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}
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#endregion
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//#region 工具方法：ASP.NET上传文件的方法
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///// <summary>
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///// 工具方法：上传文件的方法
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///// </summary>
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///// <param name="myFileUpload">上传控件的ID</param>
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///// <param name="allowExtensions">允许上传的扩展文件名类型,如：string[] allowExtensions = { ".doc", ".xls", ".ppt", ".jpg", ".gif" };</param>
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///// <param name="maxLength">允许上传的最大大小，以M为单位</param>
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///// <param name="savePath">保存文件的目录，注意是绝对路径,如：Server.MapPath("~/upload/");</param>
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///// <param name="saveName">保存的文件名，如果是""则以原文件名保存</param>
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//public OperationResult FilesUpload(FileUpload myFileUpload, string[] allowExtensions, int maxLength, string savePath, string saveName)
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//{
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// //文件格式是否允许上传
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// bool fileAllow = false;
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// //检查是否有文件案
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// if (myFileUpload.HasFile)
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// {
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// //检查文件大小, ContentLength获取的是字节，转成M的时候要除以2次1024
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// if (myFileUpload.PostedFile.ContentLength / 1024 / 1024 >= maxLength)
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// {
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// operation.isOk = false;
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// operation.tRes = "只能上传小于" + maxLength.ToString() + "的文件！";
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// return operation;
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// }
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// //取得上传文件之扩展文件名，并转换成小写字母
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// string fileExtension = System.IO.Path.GetExtension(myFileUpload.FileName).ToLower();
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// string tmp = ""; // 存储允许上传的文件后缀名
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// //检查扩展文件名是否符合限定类型
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// for (int i = 0; i < allowExtensions.Length; i++)
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// {
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// tmp += i == allowExtensions.Length - 1 ? allowExtensions[i] : allowExtensions[i] + ",";
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// if (fileExtension == allowExtensions[i])
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// {
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// fileAllow = true;
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// }
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// }
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// if (fileAllow)
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// {
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// try
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// {
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// string path = savePath + (saveName == "" ? myFileUpload.FileName : saveName);
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// //存储文件到文件夹
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// myFileUpload.SaveAs(path);
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// }
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// catch (Exception ex)
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// {
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// operation.isOk = false;
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// operation.tRes = "文件上传错误,错误原因:" + ex.ToString();
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// return operation;
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// }
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// }
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// else
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// {
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// operation.isOk = false;
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// operation.tRes = "文件格式不符，可以上传的文件格式为：" + tmp;
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// return operation;
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// }
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// }
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// else
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// {
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// operation.isOk = false;
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// operation.tRes = "请选择要上传的文件!";
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// return operation;
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// }
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// operation.isOk = true;
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// operation.tRes = "文件上传成功!";
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// return operation;
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//}
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//#endregion
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#region 返回文件是否存在
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/// <summary>
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/// 返回文件是否存在
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/// </summary>
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/// <param name="SouthPath">文件地址</param>
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/// <returns>是否存在</returns>
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public OperationResult FileExists(string SouthPath)
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{
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flag = System.IO.File.Exists(SouthPath);
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if (flag)
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{
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operation.tRes = "文件存在!";
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}
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else
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{
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operation.tRes = "文件不存在!";
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}
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operation.isOk = flag;
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return operation;
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}
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#endregion
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#region 判断文件名是否为浏览器可以直接显示的图片文件名
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/// <summary>
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/// 判断文件名是否为浏览器可以直接显示的图片文件名
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/// </summary>
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/// <param name="filename">文件名</param>
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/// <returns>是否可以直接显示</returns>
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public OperationResult IsImgFilename(string filename)
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{
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filename = filename.Trim();
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if (filename.EndsWith(".") || filename.IndexOf(".") == -1)
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{
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operation.isOk = false;
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operation.tRes = "文件不可以直接显示!";
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return operation;
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}
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string extname = filename.Substring(filename.LastIndexOf(".") + 1).ToLower();
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flag = (extname == "jpg" || extname == "jpeg" || extname == "png" || extname == "bmp" || extname == "gif");
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if (flag)
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{
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operation.tRes = "文件可以直接显示!";
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}
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operation.isOk = flag;
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operation.tRes = "文件不可以直接显示!";
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return operation;
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}
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#endregion
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#region 复制当前目录的所有文件
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/// <summary>
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/// 复制当前目录的所有文件
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/// </summary>
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/// <param name="sourceDir">原始目录</param>
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/// <param name="targetDir">目标目录</param>
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/// <param name="overWrite">如果为true,覆盖同名文件,否则不覆盖</param>
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/// <param name="copySubDir">如果为true,包含子目录,否则不包含</param>
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public OperationResult CopyAllFiles(string sourceDir, string targetDir, bool overWrite, bool copySubDir)
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{
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//目录不存在首先创建目录
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if (!Directory.Exists(targetDir))
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{
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Directory.CreateDirectory(targetDir);
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}
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try
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{
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//辅助当前目录文件
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foreach (string sourceFileName in Directory.GetFiles(sourceDir))
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{
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string targetFileName = Path.Combine(targetDir, sourceFileName.Substring(sourceFileName.LastIndexOf('\\') + 1));
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if (File.Exists(targetFileName))
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{
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if (overWrite == true)
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{
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File.SetAttributes(targetFileName, FileAttributes.Normal);
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File.Copy(sourceFileName, targetFileName, overWrite);
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}
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}
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else
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{
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File.Copy(sourceFileName, targetFileName, overWrite);
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}
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}
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if (copySubDir)
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{
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foreach (string sourceSubDir in Directory.GetDirectories(sourceDir))
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{
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string targetSubDir = Path.Combine(targetDir, sourceSubDir.Substring(sourceSubDir.LastIndexOf('\\') + 1));
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if (!Directory.Exists(targetSubDir))
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{
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Directory.CreateDirectory(targetSubDir);
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}
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CopyAllFiles(sourceSubDir, targetSubDir, overWrite, true);
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}
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}
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operation.isOk = true;
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operation.returnValue = string.Format("复制目录 {0}的文件到目录 {1}成功,总计复制{2}个文件!", sourceDir, targetDir, count.ToString());
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}
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catch (Exception ex)
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{
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operation.isOk = false;
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operation.returnValue = string.Format("复制目录 {0}的文件到目录 {1}失败,失败原因：{3}!", sourceDir, targetDir, ex.ToString());
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}
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return operation;
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}
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#endregion
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#region 剪切/移动指定目录的所有文件
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/// <summary>
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/// 移动当前目录的文件
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/// </summary>
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/// <param name="sourceDir">原始目录</param>
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/// <param name="targetDir">目标目录</param>
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/// <param name="overWrite">如果为true,覆盖同名文件,否则不覆盖</param>
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/// <param name="moveSubDir">如果为true,包含目录,否则不包含</param>
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public OperationResult MoveFiles(string sourceDir, string targetDir, bool overWrite, bool moveSubDir)
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{
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//目录不存在首先创建目录
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if (!Directory.Exists(targetDir))
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{
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Directory.CreateDirectory(targetDir);
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}
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try
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{
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//移动当前目录文件
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foreach (string sourceFileName in Directory.GetFiles(sourceDir))
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{
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string targetFileName = Path.Combine(targetDir, sourceFileName.Substring(sourceFileName.LastIndexOf('\\') + 1));
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if (File.Exists(targetFileName))
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{
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if (overWrite == true)
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{
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File.SetAttributes(targetFileName, FileAttributes.Normal);
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File.Delete(targetFileName);
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File.Move(sourceFileName, targetFileName);
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}
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}
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else
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{
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File.Move(sourceFileName, targetFileName);
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}
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}
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if (moveSubDir)
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{
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foreach (string sourceSubDir in Directory.GetDirectories(sourceDir))
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{
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string targetSubDir = Path.Combine(targetDir, sourceSubDir.Substring(sourceSubDir.LastIndexOf('\\') + 1));
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if (!Directory.Exists(targetSubDir))
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{
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Directory.CreateDirectory(targetSubDir);
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}
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MoveFiles(sourceSubDir, targetSubDir, overWrite, true);
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Directory.Delete(sourceSubDir);
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}
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}
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operation.isOk = true;
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operation.returnValue = string.Format("移动目录 {0}的所有文件到目录 {1}成功!", sourceDir, targetDir);
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}
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catch (Exception ex)
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{
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operation.isOk = false;
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operation.returnValue = string.Format("移动目录 {0}的所有文件到目录 {1}失败,失败原因：{3}!", sourceDir, targetDir, ex.ToString());
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}
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return operation;
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}
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#endregion
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#region 删除指定目录的所有文件和子目录
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/// <summary>
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/// 删除指定目录的所有文件和子目录
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/// </summary>
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/// <param name="TargetDir">操作目录</param>
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/// <param name="delSubDir">如果为true,包含对子目录的操作</param>
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public OperationResult DeleteDirectoryFiles(string TargetDir, bool delSubDir)
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{
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//判断目录是否存在
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flag = Directory.Exists(TargetDir);
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try
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{
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if (flag)
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{
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foreach (string fileName in Directory.GetFiles(TargetDir))
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{
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File.SetAttributes(fileName, FileAttributes.Normal);
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File.Delete(fileName);
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}
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if (delSubDir)
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{
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DirectoryInfo dir = new DirectoryInfo(TargetDir);
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|
|
foreach (DirectoryInfo subDi in dir.GetDirectories())
|
|||
|
|
{
|
|||
|
|
DeleteDirectoryFiles(subDi.FullName, true);
|
|||
|
|
subDi.Delete();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
operation.returnValue = string.Format("删除目录 {0} 下的文件成功", TargetDir);
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
catch (Exception ex)
|
|||
|
|
{
|
|||
|
|
operation.returnValue = string.Format("删除目录 {0} 下的文件失败", TargetDir);
|
|||
|
|
}
|
|||
|
|
operation.isOk = flag;
|
|||
|
|
return operation;
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
|
|||
|
|
#region 删除指定目录下的指定文件
|
|||
|
|
/// <summary>
|
|||
|
|
/// 删除文件
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="sourcePath">文件路径</param>
|
|||
|
|
public OperationResult DeleteFiles(string sourcePath)
|
|||
|
|
{
|
|||
|
|
//判断目录是否存在
|
|||
|
|
flag = File.Exists(sourcePath);
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
if (flag)
|
|||
|
|
{
|
|||
|
|
File.Delete(sourcePath);
|
|||
|
|
}
|
|||
|
|
operation.isOk = true;
|
|||
|
|
operation.returnValue = string.Format("删除路径 {0} 下的文件成功", sourcePath);
|
|||
|
|
}
|
|||
|
|
catch (Exception ex)
|
|||
|
|
{
|
|||
|
|
operation.isOk = false;
|
|||
|
|
operation.returnValue = string.Format("删除路径 {0} 下的文件失败，失败原因:{1}", sourcePath, ex.ToString());
|
|||
|
|
}
|
|||
|
|
return operation;
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
|
|||
|
|
#region 创建指定目录
|
|||
|
|
/// <summary>
|
|||
|
|
/// 创建指定目录
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="targetDir"></param>
|
|||
|
|
public OperationResult CreateDirectory(string targetDir)
|
|||
|
|
{
|
|||
|
|
DirectoryInfo dir = new DirectoryInfo(targetDir);
|
|||
|
|
flag = dir.Exists;
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
if (!flag)
|
|||
|
|
{
|
|||
|
|
dir.Create();
|
|||
|
|
}
|
|||
|
|
operation.isOk = !flag;
|
|||
|
|
operation.returnValue = string.Format("创建指定目录{0}成功", targetDir);
|
|||
|
|
}
|
|||
|
|
catch (Exception ex)
|
|||
|
|
{
|
|||
|
|
operation.isOk = false;
|
|||
|
|
operation.returnValue = string.Format("创建指定目录{0}失败，失败原因{1}", targetDir, ex.ToString());
|
|||
|
|
}
|
|||
|
|
return operation;
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
|
|||
|
|
#region 建立子目录
|
|||
|
|
/// <summary>
|
|||
|
|
/// 建立子目录
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="parentDir">目录路径</param>
|
|||
|
|
/// <param name="subDirName">子目录名称</param>
|
|||
|
|
public OperationResult CreateChildDirectory(string parentDir, string subDirName)
|
|||
|
|
{
|
|||
|
|
string path = parentDir + "\\" + subDirName;
|
|||
|
|
return CreateDirectory(path);
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
|
|||
|
|
#region 重命名文件夹
|
|||
|
|
/// <summary>
|
|||
|
|
/// 重命名文件夹
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="OldFloderName">原路径文件夹名称</param>
|
|||
|
|
/// <param name="NewFloderName">新路径文件夹名称</param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public bool ReNameFloder(string OldFloderName, string NewFloderName)
|
|||
|
|
{
|
|||
|
|
try
|
|||
|
|
{
|
|||
|
|
if (Directory.Exists(OldFloderName))
|
|||
|
|
{
|
|||
|
|
Directory.Move(OldFloderName, NewFloderName);
|
|||
|
|
}
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
catch
|
|||
|
|
{
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
|
|||
|
|
#region 删除指定目录
|
|||
|
|
/// <summary>
|
|||
|
|
/// 删除指定目录
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="targetDir">目录路径</param>
|
|||
|
|
public OperationResult DeleteDirectory(string targetDir)
|
|||
|
|
{
|
|||
|
|
DirectoryInfo dirInfo = new DirectoryInfo(targetDir);
|
|||
|
|
if (dirInfo.Exists)
|
|||
|
|
{
|
|||
|
|
return DeleteDirectoryFiles(targetDir, true);
|
|||
|
|
}
|
|||
|
|
operation.isOk = false;
|
|||
|
|
operation.returnValue = string.Format("目录{0}不存在", targetDir);
|
|||
|
|
return operation;
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
|
|||
|
|
#region 检测目录是否存在
|
|||
|
|
/// <summary>
|
|||
|
|
/// 检测目录是否存在
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="StrPath">路径</param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public bool DirectoryIsExists(string StrPath)
|
|||
|
|
{
|
|||
|
|
DirectoryInfo dirInfo = new DirectoryInfo(StrPath);
|
|||
|
|
return dirInfo.Exists;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 检测目录是否存在
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="StrPath">路径</param>
|
|||
|
|
/// <param name="Create">如果不存在，是否创建</param>
|
|||
|
|
public void DirectoryIsExists(string StrPath, bool Create)
|
|||
|
|
{
|
|||
|
|
DirectoryInfo dirInfo = new DirectoryInfo(StrPath);
|
|||
|
|
flag = DirectoryIsExists(StrPath);
|
|||
|
|
if (!flag)
|
|||
|
|
{
|
|||
|
|
if (Create)
|
|||
|
|
{
|
|||
|
|
dirInfo.Create();
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
|
|||
|
|
#region 删除指定目录的所有子目录,不包括对当前目录文件的删除
|
|||
|
|
/// <summary>
|
|||
|
|
/// 删除指定目录的所有子目录,不包括对当前目录文件的删除
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="targetDir">目录路径</param>
|
|||
|
|
public OperationResult DeleteSubDirectory(string targetDir)
|
|||
|
|
{
|
|||
|
|
flag = DirectoryIsExists(targetDir);
|
|||
|
|
if (flag)
|
|||
|
|
{
|
|||
|
|
foreach (string subDir in Directory.GetDirectories(targetDir))
|
|||
|
|
{
|
|||
|
|
DeleteDirectory(subDir);
|
|||
|
|
}
|
|||
|
|
operation.returnValue = string.Format("删除目录{0}下的所有子目录成功", targetDir);
|
|||
|
|
}
|
|||
|
|
operation.isOk = flag;
|
|||
|
|
operation.returnValue = string.Format("目录{0}不存在", targetDir);
|
|||
|
|
return operation;
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
|
|||
|
|
#region 获取文件最后修改时间
|
|||
|
|
/// <summary>
|
|||
|
|
/// 获取文件最后修改时间
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="FileUrl">文件真实路径</param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public DateTime GetFileWriteTime(string FileUrl)
|
|||
|
|
{
|
|||
|
|
return File.GetLastWriteTime(FileUrl);
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
|
|||
|
|
#region 重命名文件
|
|||
|
|
/// <summary>
|
|||
|
|
/// 重命名文件
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="OldFileName">旧文件真实路径</param>
|
|||
|
|
/// <param name="NewFileName">新文件真实路径</param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public OperationResult RenameFile(string OldFileName, string NewFileName)
|
|||
|
|
{
|
|||
|
|
flag = File.Exists(OldFileName);
|
|||
|
|
if (flag)
|
|||
|
|
{
|
|||
|
|
File.Move(OldFileName, NewFileName);
|
|||
|
|
operation.isOk = flag;
|
|||
|
|
operation.returnValue = string.Format("旧文件{0}重命名为新文件{1}成功", OldFileName, NewFileName);
|
|||
|
|
return operation;
|
|||
|
|
}
|
|||
|
|
operation.isOk = flag;
|
|||
|
|
operation.returnValue = string.Format("旧文件{0}不存在", OldFileName);
|
|||
|
|
return operation;
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
|
|||
|
|
#region 返回指定路径的文件的扩展名
|
|||
|
|
/// <summary>
|
|||
|
|
/// 返回指定路径的文件的扩展名
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="PathFileName">完整路径的文件</param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public string GetFileExtension(string PathFileName)
|
|||
|
|
{
|
|||
|
|
return Path.GetExtension(PathFileName);
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
|
|||
|
|
#region 判断是否是隐藏文件
|
|||
|
|
/// <summary>
|
|||
|
|
/// 判断是否是隐藏文件
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="path">文件路径</param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public bool IsHiddenFile(string path)
|
|||
|
|
{
|
|||
|
|
FileAttributes MyAttributes = File.GetAttributes(path);
|
|||
|
|
string MyFileType = MyAttributes.ToString();
|
|||
|
|
if (MyFileType.LastIndexOf("Hidden") != -1) //是否隐藏文件
|
|||
|
|
{
|
|||
|
|
return true;
|
|||
|
|
}
|
|||
|
|
return false;
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
|
|||
|
|
#region 以只读方式读取文本文件
|
|||
|
|
/// <summary>
|
|||
|
|
/// 以只读方式读取文本文件
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="FilePath">文件路径及文件名</param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public string ReadTxtFile(string FilePath)
|
|||
|
|
{
|
|||
|
|
flag = File.Exists(FilePath);
|
|||
|
|
string content = "";//返回的字符串
|
|||
|
|
if (flag)
|
|||
|
|
{
|
|||
|
|
using (FileStream fs = new FileStream(FilePath, FileMode.Open))
|
|||
|
|
{
|
|||
|
|
using (StreamReader reader = new StreamReader(fs, Encoding.UTF8))
|
|||
|
|
{
|
|||
|
|
string text = string.Empty;
|
|||
|
|
while (!reader.EndOfStream)
|
|||
|
|
{
|
|||
|
|
text += reader.ReadLine() + "\r\n";
|
|||
|
|
content = text;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return content;
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
|
|||
|
|
#region 将内容写入文本文件(如果文件path存在就打开，不存在就新建)
|
|||
|
|
/// <summary>
|
|||
|
|
/// 将内容写入文本文件(如果文件path存在就打开，不存在就新建)
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="FilePath">文件路径</param>
|
|||
|
|
/// <param name="WriteStr">要写入的内容</param>
|
|||
|
|
/// <param name="FileModes">写入模式：append 是追加写, CreateNew 是覆盖</param>
|
|||
|
|
public OperationResult WriteStrToTxtFile(string FilePath, string WriteStr, FileMode FileModes)
|
|||
|
|
{
|
|||
|
|
flag = File.Exists(FilePath);
|
|||
|
|
operation.isOk = flag;
|
|||
|
|
if (flag)
|
|||
|
|
{
|
|||
|
|
FileStream fst = new FileStream(FilePath, FileModes);
|
|||
|
|
StreamWriter swt = new StreamWriter(fst, Encoding.GetEncoding("utf-8"));
|
|||
|
|
swt.WriteLine(WriteStr);
|
|||
|
|
swt.Close();
|
|||
|
|
fst.Close();
|
|||
|
|
operation.returnValue = string.Format("写入为文件{0}数据成功", FilePath);
|
|||
|
|
return operation;
|
|||
|
|
}
|
|||
|
|
operation.returnValue = string.Format("文件{0}不存在", FilePath);
|
|||
|
|
return operation;
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
|
|||
|
|
#region 获取本地驱动器名列表
|
|||
|
|
/// <summary>
|
|||
|
|
/// 获取本地驱动器名列表
|
|||
|
|
/// </summary>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public static string[] GetLocalDrives()
|
|||
|
|
{
|
|||
|
|
return Directory.GetLogicalDrives();
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
|
|||
|
|
#region 获取应用程序当前可执行文件的路径
|
|||
|
|
/// <summary>
|
|||
|
|
/// 获取应用程序当前可执行文件的路径
|
|||
|
|
/// </summary>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public static string GetAppCurrentDirectory()
|
|||
|
|
{
|
|||
|
|
//return Application.StartupPath;
|
|||
|
|
return null;
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
|
|||
|
|
#region 获取文件大小并以B，KB，GB，TB方式表示[+2 重载]
|
|||
|
|
/// <summary>
|
|||
|
|
/// 获取文件大小并以B，KB，GB，TB方式表示
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="File">文件(FileInfo类型)</param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public static string GetFileSize(FileInfo File)
|
|||
|
|
{
|
|||
|
|
string Result = "";
|
|||
|
|
long FileSize = File.Length;
|
|||
|
|
if (FileSize >= 1024 * 1024 * 1024)
|
|||
|
|
{
|
|||
|
|
if (FileSize / 1024 * 1024 * 1024 * 1024 >= 1024) Result = string.Format("{0:############0.00} TB", (double)FileSize / 1024 * 1024 * 1024 * 1024);
|
|||
|
|
else Result = string.Format("{0:####0.00} GB", (double)FileSize / 1024 * 1024 * 1024);
|
|||
|
|
}
|
|||
|
|
else if (FileSize >= 1024 * 1024) Result = string.Format("{0:####0.00} MB", (double)FileSize / 1024 * 1024);
|
|||
|
|
else if (FileSize >= 1024) Result = string.Format("{0:####0.00} KB", (double)FileSize / 1024);
|
|||
|
|
else Result = string.Format("{0:####0.00} Bytes", FileSize);
|
|||
|
|
return Result;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
|
|||
|
|
/// <summary>
|
|||
|
|
/// 获取文件大小并以B，KB，GB，TB方式表示
|
|||
|
|
/// </summary>
|
|||
|
|
/// <param name="FilePath">文件的具体路径</param>
|
|||
|
|
/// <returns></returns>
|
|||
|
|
public static string GetFileSize(string FilePath)
|
|||
|
|
{
|
|||
|
|
string Result = "";
|
|||
|
|
FileInfo File = new FileInfo(FilePath);
|
|||
|
|
long FileSize = File.Length;
|
|||
|
|
if (FileSize >= 1024 * 1024 * 1024)
|
|||
|
|
{
|
|||
|
|
if (FileSize / 1024 * 1024 * 1024 * 1024 >= 1024) Result = string.Format("{0:########0.00} TB", (double)FileSize / 1024 * 1024 * 1024 * 1024);
|
|||
|
|
else Result = string.Format("{0:####0.00} GB", (double)FileSize / 1024 * 1024 * 1024);
|
|||
|
|
}
|
|||
|
|
else if (FileSize >= 1024 * 1024) Result = string.Format("{0:####0.00} MB", (double)FileSize / 1024 * 1024);
|
|||
|
|
else if (FileSize >= 1024) Result = string.Format("{0:####0.00} KB", (double)FileSize / 1024);
|
|||
|
|
else Result = string.Format("{0:####0.00} Bytes", FileSize);
|
|||
|
|
return Result;
|
|||
|
|
}
|
|||
|
|
#endregion
|
|||
|
|
|
|||
|
|
|
|||
|
|
//#region Http下载文件
|
|||
|
|
///// <summary>
|
|||
|
|
///// 下载文件
|
|||
|
|
///// </summary>
|
|||
|
|
///// <param name="FileFullPath">下载文件下载的完整路径及名称</param>
|
|||
|
|
//public void DownLoadFiles(string FileFullPath)
|
|||
|
|
//{
|
|||
|
|
// if (!string.IsNullOrEmpty(FileFullPath) && (FileExists(FileFullPath)).isOk)
|
|||
|
|
// {
|
|||
|
|
// FileInfo fi = new FileInfo(FileFullPath); //文件信息
|
|||
|
|
// FileFullPath = HttpUtility.UrlEncode(FileFullPath); //对文件名编码
|
|||
|
|
// FileFullPath = FileFullPath.Replace("+", "%20"); //解决空格被编码为"+"号的问题
|
|||
|
|
// HttpContext.Current.Response.Clear();
|
|||
|
|
// HttpContext.Current.Response.ContentType = "application/octet-stream";
|
|||
|
|
// HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment; filename=" + FileFullPath);
|
|||
|
|
// HttpContext.Current.Response.AppendHeader("content-length", fi.Length.ToString()); //文件长度
|
|||
|
|
// int chunkSize = 102400; //缓存区大小,可根据服务器性能及网络情况进行修改
|
|||
|
|
// byte[] buffer = new byte[chunkSize]; //缓存区
|
|||
|
|
// using (FileStream fs = fi.Open(FileMode.Open)) //打开一个文件流
|
|||
|
|
// {
|
|||
|
|
// //如果没到文件尾并且客户在线
|
|||
|
|
// while (fs.Position >= 0 && HttpContext.Current.Response.IsClientConnected)
|
|||
|
|
// {
|
|||
|
|
// int tmp = fs.Read(buffer, 0, chunkSize); //读取一块文件
|
|||
|
|
// if (tmp <= 0) break; //tmp=0说明文件已经读取完毕,则跳出循环
|
|||
|
|
// HttpContext.Current.Response.OutputStream.Write(buffer, 0, tmp);//向客户端传送一块文件
|
|||
|
|
// HttpContext.Current.Response.Flush();//保证缓存全部送出
|
|||
|
|
// Thread.Sleep(10); //主线程休息一下,以释放CPU
|
|||
|
|
// }
|
|||
|
|
// }
|
|||
|
|
// }
|
|||
|
|
//}
|
|||
|
|
//#endregion
|
|||
|
|
}
|
|||
|
|
}
|