using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.IO;namespace WindowsFormsApplication1获取目录下文件
{public partial class Form1 : Form{public Form1(){InitializeComponent();}private void button1_Click(object sender, EventArgs e){//获取目录下指定类型的文件集合String path = @"../../Views";//第一种方法var files = Directory.GetFiles(path, "*.txt");foreach (var file in files){Console.WriteLine(file); //输出的路径+名称
            }//第二种方法DirectoryInfo folder = new DirectoryInfo(path);//目录信息foreach (FileInfo file in folder.GetFiles("*.txt")){Console.WriteLine(file.FullName); //获取每个文件的所有信息
            }//C#遍历指定文件夹中的所有文件 DirectoryInfo TheFolder = new DirectoryInfo(path);//遍历文件夹foreach (DirectoryInfo NextFolder in TheFolder.GetDirectories()){//this.listBox1.Items.Add(NextFolder.Name);
            }//遍历文件foreach (FileInfo NextFile in TheFolder.GetFiles()){//this.listBox2.Items.Add(NextFile.Name);
            }}public void FindFile(string dirPath) //参数dirPath为指定的目录
        {//在指定目录及子目录下查找文件,在listBox1中列出子目录及文件DirectoryInfo Dir = new DirectoryInfo(dirPath);try{foreach (DirectoryInfo d in Dir.GetDirectories())//查找子目录
                {FindFile(Dir + d.ToString() + "\\");//listBox1.Items.Add(Dir+d.ToString()+"\");    //listBox1中填加目录名
                }foreach (FileInfo f in Dir.GetFiles("*.---")) //查找文件
                {//listBox1.Items.Add(Dir+f.ToString()); //listBox1中填加文件名
                }}catch (Exception e){MessageBox.Show(e.Message);}}public void ListFiles(FileSystemInfo info) ////文件系统信息 参数为目录
        {if (info.Exists != true) return; //不存在就返回DirectoryInfo dir = info as DirectoryInfo; //这句是否多余???if (dir == null) return; //是否是目录类型FileSystemInfo[] files = dir.GetFileSystemInfos(); //返回文件目录和所有文件for (int i = 0; i < files.Length; i++){FileInfo file = files[i] as FileInfo;if (file != null) //是文件
                {if (file.Extension.Contains("cshtml")){this.dataGridView1.Rows.Add(file.Name, file.Length);//文件名和大小
                    }Console.WriteLine(file.FullName + "\t " + file.Length); //输出完整目录和大小
                }//对于子目录，进行递归调用 else  //不是文件,是目录
                {ListFiles(files[i]); // 递归
                }}}private void button2_Click(object sender, EventArgs e){#region --清空dataGridView//清空方法1DataTable dt = (DataTable)dataGridView1.DataSource;if (dt != null && dt.Rows.Count > 0){dt.Columns.Clear();dt.Rows.Clear();dataGridView1.DataSource = dt;}//清空方法2
            dataGridView1.Columns.Clear();dataGridView1.Rows.Clear();#endregion#region --添加列this.dataGridView1.Columns.Add("0", "文件路径");//添加列this.dataGridView1.Columns.Add("0", "文件大小");this.dataGridView1.Columns.Add("0", "是否存在");#endregion#region --添加行并设置值,this.dataGridView1.Rows.Add("第一个字段值", "第二个字段值", "第三个字段值");//添加一行数据dataGridView1.Rows[0].Cells[0].Value = "00000000";dataGridView1.Rows[0].Cells[1].Value = "11111111";dataGridView1.Rows[0].Cells[2].Value = "22222222";//或者//循环添加行并设置值for (int i = 1; i <= 6; i++){int index = this.dataGridView1.Rows.Add(); //添加行this.dataGridView1.Rows[index].Cells[0].Value = i; //设置值
            }#endregion////测试按钮#region --遍历目录文件到列表中DirectoryInfo folder = new DirectoryInfo("../../Views");//目录信息
            ListFiles(folder);#endregionthis.dataGridView1.Rows.Add("第一个字段值", "第二个字段值");//未传参默认为空值.//--
        }private void Form1_Load(object sender, EventArgs e){dataGridView1.ReadOnly = true;//只读属性dataGridView1.AllowUserToAddRows = false; //不显示出dataGridView1的最后一行空白
}List<string> resuls = new List<string>();private void button3_Click(object sender, EventArgs e){//获得目录下所有文件 ,并循环读取内容,var files = Directory.GetFiles(@"F:\人行项目\新建文件夹\20180817");for (int i = 0; i < files.Length;i++ ){var array = File.ReadAllLines(files[i], Encoding.GetEncoding("gb2312")); //打开一个文本文件，读取文件的所有行，然后关闭该文件。string result = string.Join("\r\n", array);//array为数组if (result.Contains("年报表")){resuls.Add(files[i]);var path = Application.StartupPath; //\bin\DebugSystem.IO.DirectoryInfo topDir = System.IO.Directory.GetParent(System.Environment.CurrentDirectory);var path1 = topDir.FullName;  //文件\bin.if (Directory.Exists(path1+"\\temp") == false)//如果不存 就创建,
                    {Directory.CreateDirectory(path1 + "\\temp");}if (File.Exists(files[i]))//必须判断要复制的文件是否存在
                    {File.Copy(files[i], path1 + "\\temp\\" + Path.GetFileName(files[i]), true);//三个参数分别是源文件路径，存储路径，若存储路径有相同文件是否替换
                    }}}//重复的csv名称,读取后,归类, 上传
MessageBox.Show("完成");}/// <summary>/// 复制文件夹中的所有内容/// </summary>/// <param name="sourceDirPath">源文件夹目录</param>/// <param name="saveDirPath">指定文件夹目录</param>public void CopyDirectory(string sourceDirPath, string saveDirPath){try{if (!Directory.Exists(saveDirPath)) //判断路径是否存在
                {Directory.CreateDirectory(saveDirPath);//不存在 创建
                }string[] files = Directory.GetFiles(sourceDirPath);//返回指定路径下的所有文件foreach (string file in files){string pFilePath = saveDirPath + "\\" + Path.GetFileName(file);if (File.Exists(pFilePath))//文件是否存在continue; File.Copy(file, pFilePath, true);//复制文件
                }string[] dirs = Directory.GetDirectories(sourceDirPath);//返回指定目录下的子文件夹foreach (string dir in dirs){CopyDirectory(dir, saveDirPath + "\\" + Path.GetFileName(dir)); //GetFileName获得文件夹名称
                }}catch (Exception ex){//if (File.Exists(pLocalFilePath))//必须判断要复制的文件是否存在//{//    File.Copy(pLocalFilePath, pSaveFilePath, true);//三个参数分别是源文件路径，存储路径，若存储路径有相同文件是否替换//}
            }}   }
}