@Test
publicvoidtestProcessBuilder(){
ProcessBuilderprocessBuilder=newProcessBuilder();
//processBuilder.command("ping","127.0.0.1");
processBuilder.command("ipconfig");
//将标准输入流和错误输入流合并，通过标准输入流读取信息
processBuilder.redirectErrorStream(true);
try{
//启动进程
Processstart=processBuilder.start();
//获取输入流
InputStreaminputStream=start.getInputStream();
//转成字符输入流
InputStreamReaderinputStreamReader=newInputStreamReader(inputStream,"gbk");
intlen=‐1;
char[]c=newchar[1024];
StringBufferoutputString=newStringBuffer();
//读取进程输入流中的内容
while((len=inputStreamReader.read(c))!=‐1){
Strings=newString(c,0,len);
outputString.append(s);
System.out.print(s);
}
inputStream.close();
}catch(IOExceptione){
e.printStackTrace();
}
}
@Test
publicvoidtestFFmpeg(){
ProcessBuilderprocessBuilder=newProcessBuilder();
//定义命令内容
List<String>command=newArrayList<>();
command.add("D:\\ProgramFiles\\ffmpeg‐20180227‐fa0c9d6‐win64‐static\\bin\\ffmpeg.exe");
command.add("‐i");
command.add("E:\\ffmpeg_test\\1.avi");
command.add("‐y");//覆盖输出文件
command.add("‐c:v");
command.add("libx264");
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