using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
namespace Pdf2ImageProcess
{
public partial class FileGet
{
/// <summary>
/// 私有变量
/// </summary>
private static List<FileInfo> lst = new List<FileInfo>();
/// <summary>
/// 获得目录下所有文件或指定文件类型文件(包含所有子文件夹)
/// </summary>
/// <param name="path">文件夹路径</param>
/// <param name="extName">扩展名可以多个 例如 .mp3.wma.rm</param>
/// <returns>List<FileInfo></returns>
public static List<FileInfo> getFile(string path, string extName)
{
getdir(path, extName);
return lst;
}
/// <summary>
/// 私有方法,递归获取指定类型文件,包含子文件夹
/// </summary>
/// <param name="path"></param>
/// <param name="extName"></param>
private static void getdir(string path, string extName)
{
try
{
string[] dir = Directory.GetDirectories(path); //文件夹列表
DirectoryInfo fdir = new DirectoryInfo(path);
FileInfo[] file = fdir.GetFiles();
//FileInfo[] file = Directory.GetFiles(path); //文件列表
if (file.Length != 0 || dir.Length != 0) //当前目录文件或文件夹不为空
{
foreach (FileInfo f in file) //显示当前目录所有文件
{
if (extName.ToLower().IndexOf(f.Extension.ToLower()) >= 0)
{
lst.Add(f);
}
}
foreach (string d in dir)
{
getdir(d, extName);//递归
}
}
}
catch (Exception ex)
{
throw ex;
}
}
}
public partial class FileGet1
{
/// <summary>
/// 获得目录下所有文件或指定文件类型文件(包含所有子文件夹)
/// </summary>
/// <param name="path">文件夹路径</param>
/// <param name="extName">扩展名可以多个 例如 .mp3.wma.rm</param>
/// <returns>List<FileInfo></returns>
public static List<FileInfo> getFile(string path, string extName)
{
try
{
List<FileInfo> lst = new List<FileInfo>();
string[] dir = Directory.GetDirectories(path); //文件夹列表
DirectoryInfo fdir = new DirectoryInfo(path);
FileInfo[] file = fdir.GetFiles();
//FileInfo[] file = Directory.GetFiles(path); //文件列表
if (file.Length != 0 || dir.Length != 0) //当前目录文件或文件夹不为空
{
foreach (FileInfo f in file) //显示当前目录所有文件
{
if (extName.ToLower().IndexOf(f.Extension.ToLower()) >= 0)
{
lst.Add(f);
}
}
foreach (string d in dir)
{
getFile(d, extName);//递归
}
}
return lst;
}
catch (Exception ex)
{
throw ex;
}
}
}
}
使用实例：
string strPath = @"E:\工具类\C#\pdf2word\pdf2image\bin\Temp\7be32129-202c-4828-b271-6faf32c91569\Scanned";
List<FileInfo> lstFiles = FileGet1.getFile(strPath, ".jpg");
