获取局域网中指定IP或是主机名称的所有文件夹及其搜索文件

最近做个功能在局域网中所有指定文件，于是花了点精力完成了部分功能，先贴上

using System;

using System.Collections.Generic;

using System.ComponentModel;

using System.Data; using System.Drawing;

using System.IO; using System.Linq;

using System.Text;

using System.Threading.Tasks;

using System.Windows.Forms;

using System.Collections;

using System.Runtime.InteropServices;

using System.Diagnostics;

namespace QuickSearchToolsInNet {

public partial class Form1 : Form     {

public Form1()         {

InitializeComponent();

}

private void btnSearch_Click(object sender, EventArgs e)         {

#region 此部分主要为了测试一台计算机，数量太多搜索速度会很慢

IList<string> lstIps = GetIpsByGroup();

string ip = @"\\ckf4989v";

string selectPath = @"c:\";

foreach (var item in lstIps)             {

if (item.ToLower().Contains(ip))                 {                     selectPath = ip + @"\";                 }             }

#endregion

string[] ShareList = NetShareList(selectPath);

FileInfo[] textFiles = null;

Array.ForEach(ShareList, Share => {

string sharePath = selectPath + Share;

var dicInfo = new DirectoryInfo(sharePath);//选择的目录信息

textFiles = dicInfo.GetFiles("*.*", SearchOption.AllDirectories);

});

StringBuilder sb = new StringBuilder();

if (textFiles!=null)             {

foreach (var item in textFiles)                 {

sb.Append(item.FullName+"\r\n");

}             }

this.richTextBox1.Text = sb.ToString();

//DirectoryInfo dir = new DirectoryInfo(ip);

//StringBuilder sb = Getfiless(dir);

//MessageBox.Show(sb.ToString());

}

#region   获取局域网中某个计算机的所有共享文件夹

[StructLayout(LayoutKind.Sequential)]

protected struct SHARE_INFO_1         {

[MarshalAs(UnmanagedType.LPWStr)]

public string shi1_netname;

[MarshalAs(UnmanagedType.U4)]

public uint shi1_type;

[MarshalAs(UnmanagedType.LPWStr)]

public string shi1_remark;

}

[DllImport("Netapi32.dll", EntryPoint = "NetShareEnum")]

protected static extern int NetShareEnum(

[MarshalAs(UnmanagedType.LPWStr)] string servername,

[MarshalAs(UnmanagedType.U4)] uint level,         out IntPtr bufptr,

[MarshalAs(UnmanagedType.U4)] int prefmaxlen,

[MarshalAs(UnmanagedType.U4)] out uint entriesread,

[MarshalAs(UnmanagedType.U4)] out uint totalentries,

[MarshalAs(UnmanagedType.U4)] out uint resume_handle

);

private string[] NetShareList(string server)         {

IntPtr buffer;             uint entriesread;             uint totalentries;             uint resume_handle;

//-1应该是获取所有的share,msdn里面的例子是这么写的,返回0表示成功

if (NetShareEnum(server, 1, out buffer, -1, out entriesread, out totalentries, out resume_handle) == 0)             {

Int32 ptr = buffer.ToInt32();

ArrayList alShare = new ArrayList();

for (int i = 0; i < entriesread; i++)                 {

SHARE_INFO_1 shareInfo = (SHARE_INFO_1)Marshal.PtrToStructure(new IntPtr(ptr), typeof(SHARE_INFO_1));                     if (shareInfo.shi1_type == 0)//Disk drive类型                     {

alShare.Add(shareInfo.shi1_netname);

}

ptr += Marshal.SizeOf(shareInfo);//有点类似C代码

}

string[] share = new string[alShare.Count];

for (int i = 0; i < alShare.Count; i++)                 {                     share[i] = alShare[i].ToString();                 }                 return share;             }

else                 return null;

}

#endregion

#region 获取工作组中所有计算机名

private IList<string> GetIpsByGroup()         {

ProcessStartInfo info = new ProcessStartInfo("cmd.exe");

info.Arguments = "/k net view";            //不使用壳来执行进程，才能捕获输入输出流

info.UseShellExecute = false;            //重定向输入流

//info.RedirectStandardInput = true;

info.RedirectStandardOutput = true;      //重定向输出流

Process p = Process.Start(info);

StreamReader output = p.StandardOutput;     //获取输出流的操作Writer

IList<string> lstIps = new List<string>();

while (!output.EndOfStream)             {                 string line = output.ReadLine();                 if (line.StartsWith("\\\\"))                     lstIps.Add(line);             }             return lstIps;         }

#endregion

#region 递归获取某个目录下的所有文件（包含子目录中的文件）------------------已废弃

/// <summary>         /// 递归获取某个目录下的所有文件（包含子目录中的文件）------------------已废弃         /// </summary>

/// <param name="dir">最外层文件夹路径</param>

/// <returns></returns>

private StringBuilder Getfiless(DirectoryInfo dir)         {

FileInfo[] files = dir.GetFiles();

StringBuilder sb = new StringBuilder();

foreach (var item in files)             {

sb.Append(item.FullName + "\r\n");

}

if (dir.GetDirectories().Length > 0)             {

DirectoryInfo[] dirs = dir.GetDirectories();

foreach (var item in dirs)                 {

sb.Append(Getfiless(item) + "\r\n");

}             }

return sb;         }

#endregion

} }