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[英]Execute JavaScript commands in Chrome Console from Java App
[英]Java: Open console programmatically and execute commands from it
我需要以編程方式打開控制台(在Windows中),然后從那里在剛剛創建的控制台中執行一個大命令。 我試圖寫輸出流,但是沒有運氣。 到目前為止,這是我啟動控制台的代碼。
File fileOne = new File(args[0]);
String[] command = { "cmd", "/c", "Start"};
ProcessBuilder procBuilder = new ProcessBuilder(command);
procBuilder.directory(fileOne);
這應該工作
你需要類似的東西
String[] command =
{
"cmd",
};
Process p = Runtime.getRuntime().exec(command);
new Thread(new SyncPipe(p.getErrorStream(), System.err)).start();
new Thread(new SyncPipe(p.getInputStream(), System.out)).start();
PrintWriter stdin = new PrintWriter(p.getOutputStream());
stdin.println("dir c:\\ /A /Q");
// write any other commands you want here
stdin.close();
int returnCode = p.waitFor();
System.out.println("Return code = " + returnCode);
SyncPipe類別:
class SyncPipe implements Runnable
{
public SyncPipe(InputStream istrm, OutputStream ostrm) {
istrm_ = istrm;
ostrm_ = ostrm;
}
public void run() {
try
{
final byte[] buffer = new byte[1024];
for (int length = 0; (length = istrm_.read(buffer)) != -1; )
{
ostrm_.write(buffer, 0, length);
}
}
catch (Exception e)
{
e.printStackTrace();
}
}
private final OutputStream ostrm_;
private final InputStream istrm_;
}
這是我用來為程序創建啟動圖標的示例。
Runtime rt = Runtime.getRuntime();
rt.exec("cmd.exe /c cd \""+"c:\\CombineImages\\"+"\" & start cmd.exe /k \"java -Xms1G -Xmx1G jar CombineImages.jar\"");
將該代碼放入您的main方法中,並替換為要運行的任何命令。
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