java远程执行linux命令 java执行linux命令行

 

• javac TestRunTime.java
• java TestRunTime hostname // 执行“hostname”Linux命令
• 即可看到输出

 

public class TestRunTime {
 
    public static void main(String[] args) throws IOException, InterruptedException {
        String cmd = "";
        
        if(args == null || args.length == 0){
            System.out.println("请输入命令行参数");
        }else{
            
            for(int i=0;i<args.length; i++){
                cmd += args[i] + " ";
            }
        }
        
 
        try {
            Process process = Runtime.getRuntime().exec(cmd);
 
            InputStreamReader ir = new InputStreamReader(process.getInputStream());
            LineNumberReader input = new LineNumberReader(ir);
 
            String line;
            while ((line = input.readLine()) != null) {
                System.out.println(line);
            }
        } catch (java.io.IOException e) {
            System.err.println("IOException " + e.getMessage());
        }
    }
}