获取系统所有进程

//进程获取
public void mpid() throws IOException {
    String name = ManagementFactory.getRuntimeMXBean().getName();
    // System.out.println(name);
    String[] names = name.split("@");
    int pid1 = Integer.parseInt(names[0]);
    // 创建系统进程
    ProcessBuilder pb = new ProcessBuilder("tasklist");
    Process p = pb.start();
    BufferedReader out = new BufferedReader(new InputStreamReader(new BufferedInputStream(p.getInputStream()), Charset.forName("GB2312")));
    // System.out.println("Window 系统进程列表");
    String ostr;
    List<String> pid=new ArrayList<>();
    while ((ostr = out.readLine()) != null) pid.add(ostr);
    String [] exess={"Java.exe"};
    List<String> exes=new ArrayList<>(Arrays.asList(exess));
    String idp="";
    idp= pid1 +",";
    for (String ex : exes) {
        for (String s : pid) {
            String m=s.replace(" ","");
            if (m.contains(ex)) {
                //System.out.println(s);
                idp+=m.replace(ex,"").substring(0,m.replace(ex,"").lastIndexOf("Console"))+",";
                //id.add(m.replace(ex,"").substring(0,m.replace(ex,"").lastIndexOf("Console")));
            }
        }
    }
    idp=idp.substring(0, idp.length()-1);
    renderJson(Co.ok("data", Ret.ok("PID", idp)));
}