当我开始像process= Runtime.getRuntime().exec("gnome-terminal");
这样的进程时,它开始执行shell,我想停止shell执行并想从进程中重定向I/O,任何人都可以告诉我该怎么做?需要关于进程的帮助
我的代码是:
public void start_process()
{
try
{
process= Runtime.getRuntime().exec("bash");
pw= new PrintWriter(process.getOutputStream(),true);
br=new BufferedReader(new InputStreamReader(process.getInputStream()));
err=new BufferedReader(new InputStreamReader(process.getErrorStream()));
}
catch (Exception ioe)
{
System.out.println("IO Exception-> " + ioe);
}
}
public void execution_command()
{
if(check==2)
{
try
{
boolean flag=thread.isAlive();
if(flag==true)
thread.stop();
Thread.sleep(30);
thread = new MyReader(br,tbOutput,err,check);
thread.start();
}catch(Exception ex){
JOptionPane.showMessageDialog(null, ex.getMessage()+"1");
}
}
else
{
try
{
Thread.sleep(30);
thread = new MyReader(br,tbOutput,err,check);
thread.start();
check=2;
}catch(Exception ex){
JOptionPane.showMessageDialog(null, ex.getMessage()+"1");
}
}
}
private void jButton3ActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
command=tfCmd.getText().toString().trim();
pw.println(command);
execution_command();
}
当我在文本框输入一些命令,并按下执行键,没事就我的输出textarea的显示,我怎么能阻止shellexecution并且可以重定向输入和输出?