105 java执行 cmd命令

package com.taotao.util;

import java.io.*;

/**
 * @author aping
 * @time 2020/5/12 14:28
 */
public class Cmd {
    //Process exec(String command, String[] envp, File dir)
    //   Process p = Runtime.getRuntime().exec("javac");
    public static void main(String[] args) throws IOException {
        Process pro = Runtime.getRuntime().exec("cmd.exe /c  VideoTools.exe   -t   screenshot -d C:\\kaifa\\gz\\VideoTools\\hls   -cf C:\\kaifa\\gz\\VideoTools\\config\\screenshot.json",null, new File("C:\\kaifa\\gz\\VideoTools"));
        InputStreamReader isr = new InputStreamReader(pro  .getInputStream(), "gbk");
        BufferedReader br = new BufferedReader(isr);
        //  BufferedReader br = new BufferedReader(new InputStreamReader(pro  .getInputStream()),"UTF-8"); //虽然cmd命令可以直接输出，但是通过IO流技术可以保证对数据进行一个缓冲。
        String msg = null;
        while ((msg = br.readLine()) != null) {
            System.out.println(msg);
        }
    }

}