Java 调用系统命令

ProcessBuilder

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.nio.file.StandardCopyOption;

public class StartProcess {
    public void startProcessNormal() throws IOException{
        ProcessBuilder pb=new ProcessBuilder("cmd.exe","/c","ipconfig","/all");
        Process process=pb.start();
        InputStream inputStream=process.getInputStream();
        Files.copy(inputStream, Paths.get("netstat.txt"), StandardCopyOption.REPLACE_EXISTING);
    }
    public void startProcessBasedOnJava7() throws IOException{
        ProcessBuilder pb=new ProcessBuilder("cmd.exe","/c","dir");
        pb.redirectOutput(ProcessBuilder.Redirect.INHERIT);
        pb.start();
    }
    public void startProcessBasedOnJava7_1() throws IOException{
        ProcessBuilder pb=new ProcessBuilder("cmd.exe","/c","dir");
        File output=Paths.get("dir.txt").toFile();
        pb.redirectOutput(output);
        pb.start();
    }
    public static void main(String[] args){
        StartProcess sp=new StartProcess();
        try {
//            sp.startProcessNormal();
//            sp.startProcessBasedOnJava7();
            sp.startProcessBasedOnJava7_1();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}