import java.io.InputStream;
import java.io.OutputStream;
import java.io.PrintWriter;
public class CMD命令 {
public static void main(String[] args) {
docmd();
}
static void docmd() {
String[] command = { "cmd", };
Process p = null;
try {
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());
/** 以下可以输入自己想输入的cmd命令 */
stdin.println("java -version");
stdin.close();
} catch (Exception e) {
throw new RuntimeException("编译出现错误:" + e.getMessage());
}
}
}
class SyncPipe implements Runnable {
private final OutputStream ostrm_;
private final InputStream istrm_;
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) {
throw new RuntimeException("处理命令出现错误:" + e.getMessage());
}
}
}