ProcessBuilder builder = new ProcessBuilder(cmdArray); process = builder.start(); // 获取错误输出 InputStream stderr = process.getErrorStream(); // 使用Reader进行输入读取和打印 InputStreamReader isr = new InputStreamReader(stderr); BufferedReader br = new BufferedReader(isr); String line = null...
即 new ProcessBuilder("mysqldump.exe",dbName,"-h"+host,"-u"+username,"-p"+password); 1. 结果果然,再执行就没有错误了。然后通过builder.redirectErrorStream()重定向到错误流就达到我们之前的目的了。 当然,这里直接在命令行里传密码是不大安全的,但是,在Enter password:里面传参数怎么做???请知情者不...
public static void main(String args[]) throws Exception { ProcessBuilder builder = new ProcessBuilder("cmd", "/c", "dir"); builder.directory(new File("e:/")); Process process = builder.start(); InputStream is = process.getInputStream(); InputStreamReader isr = new InputStreamReader(is,...
java 调用其他应用程序时,可能在windows下没有问题,但是转到linux下,却会报这样那样的错误,比如有设计文件操作会报FileNotFoundException等等(如下代码): 1ProcessBuilder builder =newProcessBuilder();2builder.command(ffmpeg -i /data/download_video/20160425/20160425235938929164582_1.flv -y -vcodec libx264 -vpre...
ProcessBuilder processBuilder = new ProcessBuilder("command", "arg1", "arg2"); 可以通过设置工作目录、环境变量等来进一步配置ProcessBuilder对象。例如,可以使用以下代码设置工作目录: 代码语言:txt 复制 processBuilder.directory(new File("path/to/directory")); ...
ProcessBuilder builder = new ProcessBuilder(cmd); //set working directory if (workdirectory!=null) builder.directory(new File(workdirectory)); builder.redirectErrorStream(true); Process process = builder.start(); InputStream in=process.getInputStream(); ...
*/privatestaticvoidcmdIsListOrArray(Stringsrc,Stringtag) {Stringcmd ="cp";// 命令的各个部分组成一个字符串数组,用该数组创建ProcessBuilder对象String[] cmds =newString[] {cmd,"-rf", src, tag};ProcessBuilderbuilder =newProcessBuilder(cmds);try{Processprocess = builder.start(); ...
@OverridepublicProcessexecute()throws IOException{// init process builderProcessBuilder processBuilder =newProcessBuilder();// setting up a working directory// TODO 设置工作路径,目的其实就是在执行脚本的时候,可以在该目录的位置来加载比如说jar包什么的processBuilder.directory(newFile(workingDirectory));// mer...
ProcessBuilder builder = new ProcessBuilder(cmd);//set working directory if (workdirectory!=null)builder.directory(new File(workdirectory));builder.redirectErrorStream(true);Process process = builder.start();InputStream in=process.getInputStream();byte[] re=new byte[1024];while (in.read(re)!= ...
4 */5publicstaticvoidchmod(File file){6try{7String[]command={"chmod","777",file.getPath()};8ProcessBuilder builder=newProcessBuilder(command);9builder.start();10}catch(IOException e){11e.printStackTrace();12}13} 原来是,Process 创建一条新的线程去执行任务,但创建进程的方法可能无法针对某些本机...