jsp 执行linux 命令

import java.io.BufferedReader;
import java.io.InputStreamReader;

public class ExecuteCommand {
    public static void main(String[] args) {
        try {
            // 创建Runtime实例
            Runtime runtime = Runtime.getRuntime();
            
            // 执行命令
            Process process = runtime.exec("ls -l");
            
            // 获取命令的输出
            BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
            String line;
            while ((line = reader.readLine()) != null) {
                System.out.println(line);
            }
            
            // 等待命令执行完成
            int exitVal = process.waitFor();
            System.out.println("命令执行完成，退出码：" + exitVal);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}

import java.io.BufferedReader;
import java.io.InputStreamReader;

public class ExecuteCommandWithProcessBuilder {
    public static void main(String[] args) {
        try {
            // 创建ProcessBuilder实例
            ProcessBuilder builder = new ProcessBuilder("ls", "-l");
            
            // 启动进程
            Process process = builder.start();
            
            // 获取命令的输出
            BufferedReader reader = new BufferedReader(new InputStreamReader(process.getInputStream()));
            String line;
            while ((line = reader.readLine()) != null) {
                System.out.println(line);
            }
            
            // 等待命令执行完成
            int exitVal = process.waitFor();
            System.out.println("命令执行完成，退出码：" + exitVal);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}