java中关闭某个程序的进程 cmd /c taskkill /pid 具体的某个pid

发布网友发布时间：2022-04-11 22:38

共2个回答

热心网友时间：2022-04-12 00:07

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.util.LinkedList;
public class Command {
private java.lang.Process p;
private InputStream is;
private OutputStream os;
private BufferedWriter bw;
private BufferedReader br;
private ProcessBuilder pb;
private InputStream stdErr;
public Command() {
}
//获取Process的输入，输出流
public void setCmd(String cmd) {
  try {
   p = Runtime.getRuntime().exec(cmd);
   os = p.getOutputStream();
   is = p.getInputStream();
   stdErr = p.getErrorStream();
  } catch (IOException e) {
   System.err.println(e.getMessage());
  }
}
//向Process输出命令
public void writeCmd(String cmd) {
  try {
   bw = new BufferedWriter(new OutputStreamWriter(os));
   bw.write(cmd);
   bw.newLine();
   bw.flush();
   bw.close();
  } catch (Exception e) {
   e.printStackTrace();
  }
}
//读出Process执行的结果
public String readCmd() {
  StringBuffer sb = new StringBuffer();
  br = new BufferedReader(new InputStreamReader(is));
  String buffer = null;
  try {
   while ((buffer = br.readLine()) != null) {
    sb.append(buffer + "\n");
   }
   System.out.println(p.waitFor());
  } catch (Exception e) {
   e.printStackTrace();
  }
  return sb.toString();
}
//将命令一股脑塞入list中
public LinkedList<String> doCmd(LinkedList<String> lists) {
  LinkedList<String> list = new LinkedList<String>();
  for (String s : lists) {
   writeCmd(s);
   list.add(readCmd());
  }
  return list;
}
public static void main(String[] args) {
  Command cmd = new Command();
  cmd.setCmd("cmd");
  cmd.writeCmd("TASKKILL /PID 1230");
  System.out.println(cmd.readCmd());
  //LinkedList<String> list = new LinkedList<String>();
  //list.add("dir/b");
  //list = cmd.doCmd(list);
  // for(String s:list){
  // System.out.print(s);
  // }
}
}

追问我是想按照PID关闭某个运行的进程但好像不能成功大侠能不能解释下你这段程序。。。。

热心网友时间：2022-04-12 01:25

那应该是 java 没权限关闭，要先提升程序的权限追问应该不存在权限的问题。。。

追答百度提升windows进程权限

或者WIN7下 UAC