问向正在运行的Python脚本发送命令

EN

public void startProcess()
{
    try {
        p = Runtime.getRuntime().exec("python " + scriptPath);
    } catch (IOException e) {
        e.printStackTrace();
    }
}

public String executeCommand(String cmd)
{
    String consoleResponse = "";

    try {
        // how do I perform something similar to p.exec(cmd)

        BufferedReader stdInput = new BufferedReader(new
                 InputStreamReader(p.getInputStream()));

        BufferedReader stdError = new BufferedReader(new
                 InputStreamReader(p.getErrorStream()));

        // read the output from the command
        System.out.println("Here is the standard output of the command:\n");
        while ((consoleResponse += stdInput.readLine()) != null) {
        }

        // read any errors from the attempted command
        System.out.println("Here is the standard error of the command (if any):\n");
        while ((consoleResponse = stdError.readLine()) != null) {
        }

    } catch (IOException e) {
        e.printStackTrace();
    }

    return consoleResponse;
}