java调用cmd命令打印执行结果

1、引入依赖

      <!-- https://mvnrepository.com/artifact/org.apache.commons/commons-exec -->
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-exec</artifactId>
            <version>1.3</version>
        </dependency>

2、代码编写测试

  public static void main(String[] args) throws IOException {
        System.out.println("==================");
        CommandLine cmdLine = new CommandLine("ping");
        cmdLine.addArgument("www.baidu.com");
//        cmdLine.addArgument("-t");
        //cmdLine.setSubstitutionMap(Collections.singletonMap("host", "www.baidu.com"));

        // 阻塞
        DefaultExecutor defaultExecutor = new DefaultExecutor();
        // 看门狗(timeout)
        ExecuteWatchdog watchdog = new ExecuteWatchdog(10 * 1000);

        defaultExecutor.setWatchdog(watchdog);
        //defaultExecutor.setExitValue(1); //不设置默认为0
        // 获取命令运行中的流程(一般流操作会在多线程中操作)
        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
        ByteArrayOutputStream errorOutPutStream = new ByteArrayOutputStream();
        PumpStreamHandler pumpStreamHandler = new PumpStreamHandler(outputStream, errorOutPutStream);

        defaultExecutor.setStreamHandler(pumpStreamHandler);
        int exitValue = defaultExecutor.execute(cmdLine);
        System.out.println(exitValue); //返回的结果


        System.out.println(outputStream.toString("gbk"));
        System.out.println(errorOutPutStream.toString("gbk"));

    }