有没有办法在C#应用程序中运行命令提示符命令?如果是这样,我将如何执行以下操作:
copy /b Image1.jpg + Archive.rar Image2.jpg
这基本上在JPG图像中嵌入了一个RAR文件。我只是想知道是否有办法在C#中自动执行此操作。
答案 0 :(得分:810)
这就是你必须从C#
运行shell命令string strCmdText;
strCmdText= "/C copy /b Image1.jpg + Archive.rar Image2.jpg";
System.Diagnostics.Process.Start("CMD.exe",strCmdText);
修改强>
这是为了隐藏cmd窗口。
System.Diagnostics.Process process = new System.Diagnostics.Process();
System.Diagnostics.ProcessStartInfo startInfo = new System.Diagnostics.ProcessStartInfo();
startInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
startInfo.FileName = "cmd.exe";
startInfo.Arguments = "/C copy /b Image1.jpg + Archive.rar Image2.jpg";
process.StartInfo = startInfo;
process.Start();
编辑:2
重要的是,参数以/C
开头,否则无效。 Scott Ferguson如何说:它“执行字符串指定的命令,然后终止。”
答案 1 :(得分:94)
尝试了@RameshVel解决方案,但我无法在控制台应用程序中传递参数。如果有人遇到同样的问题,这是一个解决方案:
using System.Diagnostics;
Process cmd = new Process();
cmd.StartInfo.FileName = "cmd.exe";
cmd.StartInfo.RedirectStandardInput = true;
cmd.StartInfo.RedirectStandardOutput = true;
cmd.StartInfo.CreateNoWindow = true;
cmd.StartInfo.UseShellExecute = false;
cmd.Start();
cmd.StandardInput.WriteLine("echo Oscar");
cmd.StandardInput.Flush();
cmd.StandardInput.Close();
cmd.WaitForExit();
Console.WriteLine(cmd.StandardOutput.ReadToEnd());
答案 2 :(得分:31)
var proc1 = new ProcessStartInfo();
string anyCommand;
proc1.UseShellExecute = true;
proc1.WorkingDirectory = @"C:\Windows\System32";
proc1.FileName = @"C:\Windows\System32\cmd.exe";
proc1.Verb = "runas";
proc1.Arguments = "/c "+anyCommand;
proc1.WindowStyle = ProcessWindowStyle.Hidden;
Process.Start(proc1);
答案 3 :(得分:10)
虽然从技术上讲,这并没有直接回答提出的问题,但它确实回答了如何做原始海报想要做的事情:组合文件。如果有的话,这是一篇帮助新手了解Instance Hunter和Konstantin正在谈论的内容的帖子。
这是我用来组合文件的方法(在本例中是jpg和zip)。请注意,我创建了一个缓冲区,其中填充了zip文件的内容(在小块中而不是在一个大的读取操作中),然后缓冲区被写入jpg文件的后面,直到zip文件的末尾是达到:
private void CombineFiles(string jpgFileName, string zipFileName)
{
using (Stream original = new FileStream(jpgFileName, FileMode.Append))
{
using (Stream extra = new FileStream(zipFileName, FileMode.Open, FileAccess.Read))
{
var buffer = new byte[32 * 1024];
int blockSize;
while ((blockSize = extra.Read(buffer, 0, buffer.Length)) > 0)
{
original.Write(buffer, 0, blockSize);
}
}
}
}
答案 4 :(得分:8)
是的,有(见Matt Hamilton评论中的链接),但使用.NET的IO类会更容易也更好。您可以使用File.ReadAllBytes读取文件,然后使用File.WriteAllBytes来编写“嵌入”版本。
答案 5 :(得分:8)
上述答案都没有因某些原因而有所帮助,似乎他们在地毯下扫描错误并且难以排除故障。所以我最终得到了这样的东西,也许它会帮助别人:
var proc = new Process
{
StartInfo = new ProcessStartInfo
{
FileName = @"C:\Program Files\Microsoft Visual Studio 14.0\Common7\IDE\tf.exe",
Arguments = "checkout AndroidManifest.xml",
UseShellExecute = false,
RedirectStandardOutput = true,
CreateNoWindow = true,
WorkingDirectory = @"C:\MyAndroidApp\"
}
};
proc.Start();
答案 6 :(得分:6)
您可以在一行中使用CliWrap执行此操作:
var stdout = new Cli("cmd")
.Execute("copy /b Image1.jpg + Archive.rar Image2.jpg")
.StandardOutput;
答案 7 :(得分:5)
这里有一些简单且代码较少的版本。它也会隐藏控制台窗口 -
System.Diagnostics.Process process = new System.Diagnostics.Process();
process.StartInfo.WindowStyle = System.Diagnostics.ProcessWindowStyle.Hidden;
process.StartInfo.FileName = "cmd.exe";
process.StartInfo.Arguments = "/C copy /b Image1.jpg + Archive.rar Image2.jpg";
process.Start();
答案 8 :(得分:4)
Interaction.Shell("copy /b Image1.jpg + Archive.rar Image2.jpg", AppWinStyle.Hide);
答案 9 :(得分:3)
如果您想保持cmd窗口打开或在winform / wpf中使用它,请像这样使用它
string strCmdText;
//For Testing
strCmdText= "/K ipconfig";
System.Diagnostics.Process.Start("CMD.exe",strCmdText);
/ K
将保持cmd窗口打开
答案 10 :(得分:2)
您可以使用以下方法实现此目的(如其他答案中所述):
strCmdText = "'/C some command";
Process.Start("CMD.exe", strCmdText);
当我尝试上面列出的方法时,我发现我的自定义命令无法使用上面某些答案的语法。
我发现需要将更复杂的命令封装在引号中才能工作:
string strCmdText;
strCmdText = "'/C cd " + path + " && composer update && composer install -o'";
Process.Start("CMD.exe", strCmdText);
答案 11 :(得分:1)
这也可以通过P/Invoking C标准库的system
函数来完成。
using System.Runtime.InteropServices;
[DllImport("msvcrt.dll")]
public static extern int system(string format);
system("copy Test.txt Test2.txt");
输出:
1 file(s) copied.
答案 12 :(得分:1)
您可以使用 RunProcessAsTask
pacakge 并像这样轻松地异步运行您的进程:
var processResults = await ProcessEx.RunAsync("git.exe", "pull");
//get process result
foreach (var output in processResults.StandardOutput)
{
Console.WriteLine("Output line: " + output);
}
答案 13 :(得分:0)
您可以简单地以.bat
格式扩展名编写代码,即批处理文件的代码:
c:/ copy /b Image1.jpg + Archive.rar Image2.jpg
使用此c#代码:
Process.Start("file_name.bat")
答案 14 :(得分:0)
如果要在异步模式下运行命令-并打印结果。你可以上这个课吗?
public static class ExecuteCmd
{
/// <summary>
/// Executes a shell command synchronously.
/// </summary>
/// <param name="command">string command</param>
/// <returns>string, as output of the command.</returns>
public static void ExecuteCommandSync(object command)
{
try
{
// create the ProcessStartInfo using "cmd" as the program to be run, and "/c " as the parameters.
// Incidentally, /c tells cmd that we want it to execute the command that follows, and then exit.
System.Diagnostics.ProcessStartInfo procStartInfo = new System.Diagnostics.ProcessStartInfo("cmd", "/c " + command);
// The following commands are needed to redirect the standard output.
//This means that it will be redirected to the Process.StandardOutput StreamReader.
procStartInfo.RedirectStandardOutput = true;
procStartInfo.UseShellExecute = false;
// Do not create the black window.
procStartInfo.CreateNoWindow = true;
// Now we create a process, assign its ProcessStartInfo and start it
System.Diagnostics.Process proc = new System.Diagnostics.Process();
proc.StartInfo = procStartInfo;
proc.Start();
// Get the output into a string
string result = proc.StandardOutput.ReadToEnd();
// Display the command output.
Console.WriteLine(result);
}
catch (Exception objException)
{
// Log the exception
Console.WriteLine("ExecuteCommandSync failed" + objException.Message);
}
}
/// <summary>
/// Execute the command Asynchronously.
/// </summary>
/// <param name="command">string command.</param>
public static void ExecuteCommandAsync(string command)
{
try
{
//Asynchronously start the Thread to process the Execute command request.
Thread objThread = new Thread(new ParameterizedThreadStart(ExecuteCommandSync));
//Make the thread as background thread.
objThread.IsBackground = true;
//Set the Priority of the thread.
objThread.Priority = ThreadPriority.AboveNormal;
//Start the thread.
objThread.Start(command);
}
catch (ThreadStartException )
{
// Log the exception
}
catch (ThreadAbortException )
{
// Log the exception
}
catch (Exception )
{
// Log the exception
}
}
}
答案 15 :(得分:0)
这可能有点读,所以对不起。这是我经过实践检验的方法,也许有一种更简单的方法,但这是我将代码扔在墙上,看看有什么卡住的
如果可以使用批处理文件来完成,则可能过于复杂的解决方法是让C#编写一个.bat文件并运行它。如果需要用户输入,可以将输入放入变量中,并让C#将其写入文件中。用这种方法会经历反复试验,因为它就像用另一个木偶控制一个木偶一样。
这是一个示例,在这种情况下,该功能用于Windows论坛应用程序中用于清除打印队列的按钮。
using System.IO;
using System;
public static void ClearPrintQueue()
{
//this is the path the document or in our case batch file will be placed
string docPath =
Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
//this is the path process.start usues
string path1 = docPath + "\\Test.bat";
// these are the batch commands
// remember its "", the comma separates the lines
string[] lines =
{
"@echo off",
"net stop spooler",
"del %systemroot%\\System32\\spool\\Printers\\* /Q",
"net start spooler",
//this deletes the file
"del \"%~f0\"" //do not put a comma on the last line
};
//this writes the string to the file
using (StreamWriter outputFile = new StreamWriter(Path.Combine(docPath, "test.bat")))
{
//This writes the file line by line
foreach (string line in lines)
outputFile.WriteLine(line);
}
System.Diagnostics.Process.Start(path1);
}
如果要用户输入,则可以尝试这样的操作。
这是用于将计算机IP设置为静态,但询问用户IP,网关和dns服务器是什么。
您将需要this才能正常工作
public static void SetIPStatic()
{
//These open pop up boxes which ask for user input
string STATIC = Microsoft.VisualBasic.Interaction.InputBox("Whats the static IP?", "", "", 100, 100);
string SUBNET = Microsoft.VisualBasic.Interaction.InputBox("Whats the Subnet?(Press enter for default)", "255.255.255.0", "", 100, 100);
string DEFAULTGATEWAY = Microsoft.VisualBasic.Interaction.InputBox("Whats the Default gateway?", "", "", 100, 100);
string DNS = Microsoft.VisualBasic.Interaction.InputBox("Whats the DNS server IP?(Input required, 8.8.4.4 has already been set as secondary)", "", "", 100, 100);
//this is the path the document or in our case batch file will be placed
string docPath =
Environment.GetFolderPath(Environment.SpecialFolder.MyDocuments);
//this is the path process.start usues
string path1 = docPath + "\\Test.bat";
// these are the batch commands
// remember its "", the comma separates the lines
string[] lines =
{
"SETLOCAL EnableDelayedExpansion",
"SET adapterName=",
"FOR /F \"tokens=* delims=:\" %%a IN ('IPCONFIG ^| FIND /I \"ETHERNET ADAPTER\"') DO (",
"SET adapterName=%%a",
"REM Removes \"Ethernet adapter\" from the front of the adapter name",
"SET adapterName=!adapterName:~17!",
"REM Removes the colon from the end of the adapter name",
"SET adapterName=!adapterName:~0,-1!",
//the variables that were set before are used here
"netsh interface ipv4 set address name=\"!adapterName!\" static " + STATIC + " " + STATIC + " " + DEFAULTGATEWAY,
"netsh interface ipv4 set dns name=\"!adapterName!\" static " + DNS + " primary",
"netsh interface ipv4 add dns name=\"!adapterName!\" 8.8.4.4 index=2",
")",
"ipconfig /flushdns",
"ipconfig /registerdns",
":EOF",
"DEL \"%~f0\"",
""
};
//this writes the string to the file
using (StreamWriter outputFile = new StreamWriter(Path.Combine(docPath, "test.bat")))
{
//This writes the file line by line
foreach (string line in lines)
outputFile.WriteLine(line);
}
System.Diagnostics.Process.Start(path1);
}
就像我说的那样。可能有点复杂,但是除非我写错批处理命令,否则它永远不会失败。
答案 16 :(得分:0)
我有以下方法,用于从 C# 运行命令提示符命令
在第一个参数中传递要运行的命令
public static string RunCommand(string arguments, bool readOutput)
{
var output = string.Empty;
try
{
var startInfo = new ProcessStartInfo
{
Verb = "runas",
FileName = "cmd.exe",
Arguments = "/C "+arguments,
WindowStyle = ProcessWindowStyle.Hidden,
UseShellExecute = false,
CreateNoWindow = true,
RedirectStandardOutput = true,
RedirectStandardError = false
};
var proc = Process.Start(startInfo);
if (readOutput)
{
output = proc.StandardOutput.ReadToEnd();
}
proc.WaitForExit(60000);
return output;
}
catch (Exception)
{
return output;
}
}