访问局域网计算机文件

Posted 2020-10-17 王炜忠

FileShare类

using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Windows.Forms;

namespace FashGetHelper.Models
{
    class FileShare
    {
        public FileShare() { }

        public static bool connectState(string path)
        {
            return connectState(path, "", "");
        }

        public static bool connectState(string path, string userName, string passWord)
        {
            bool Flag = false;
            System.Diagnostics.Process proc = new System.Diagnostics.Process();
            try
            {

                proc.StartInfo.FileName = "cmd.exe";
                proc.StartInfo.UseShellExecute = false;
                proc.StartInfo.RedirectStandardInput = true;
                proc.StartInfo.RedirectStandardOutput = true;
                proc.StartInfo.RedirectStandardError = true;
                proc.StartInfo.CreateNoWindow = true;
                proc.Start();
                string dosLine = @"net use " + path + " /User:" + userName + " " + passWord + " /PERSISTENT:YES";
                proc.StandardInput.WriteLine(dosLine);
                proc.StandardInput.WriteLine("exit");
                while (!proc.HasExited)
                {
                    proc.WaitForExit(1000);
                }
                string errormsg = proc.StandardError.ReadToEnd();
                proc.StandardError.Close();
                if (string.IsNullOrEmpty(errormsg))
                {
                    Flag = true;
                }
                else
                {
                    throw new Exception(errormsg);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
            finally
            {
                proc.Close();
                proc.Dispose();
            }
            return Flag;
        }
        public static bool connectStateInit(string initStr)
        {
            bool Flag = false;
            System.Diagnostics.Process proc = new System.Diagnostics.Process();
            try
            {

                proc.StartInfo.FileName = "cmd.exe";
                proc.StartInfo.UseShellExecute = false;
                proc.StartInfo.RedirectStandardInput = true;
                proc.StartInfo.RedirectStandardOutput = true;
                proc.StartInfo.RedirectStandardError = true;
                proc.StartInfo.CreateNoWindow = true;
                proc.Start();
                proc.StandardInput.WriteLine(initStr);
                proc.StandardInput.WriteLine("exit");
                while (!proc.HasExited)
                {
                    proc.WaitForExit(1000);
                }
                string errormsg = proc.StandardError.ReadToEnd();
                proc.StandardError.Close();
                if (string.IsNullOrEmpty(errormsg))
                {
                    Flag = true;
                }
                else
                {
                    throw new Exception(errormsg);
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show(ex.Message);
            }
            finally
            {
                proc.Close();
                proc.Dispose();
            }
            return Flag;
        }

        //read file
        public static void ReadFiles(string path)
        {
            try
            {
                // Create an instance of StreamReader to read from a file.
                // The using statement also closes the StreamReader.
                using (StreamReader sr = new StreamReader(path))
                {
                    String line;
                    // Read and display lines from the file until the end of 
                    // the file is reached.
                    while ((line = sr.ReadLine()) != null)
                    {
                        Console.WriteLine(line);

                    }
                }
            }
            catch (Exception e)
            {
                // Let the user know what went wrong.
                Console.WriteLine("The file could not be read:");
                Console.WriteLine(e.Message);
            }

        }

        //write file
        public static void WriteFiles(string path)
        {
            try
            {
                // Create an instance of StreamWriter to write text to a file.
                // The using statement also closes the StreamWriter.
                using (StreamWriter sw = new StreamWriter(path))
                {
                    // Add some text to the file.
                    sw.Write("This is the ");
                    sw.WriteLine("header for the file.");
                    sw.WriteLine("-------------------");
                    // Arbitrary objects can also be written to the file.
                    sw.Write("The date is: ");
                    sw.WriteLine(DateTime.Now);
                }
            }
            catch (Exception e)
            {
                // Let the user know what went wrong.
                Console.WriteLine("The file could not be read:");
                Console.WriteLine(e.Message);
            }
        }
    }
}

View Code

指令：

 Models.FileShare.connectStateInit(@"net use * /del /y");//初始化

 bool connectStatus = Models.FileShare.connectState(地址, 账号, 密码);

当 connectStatus=true时就可以正常访问了！