如何关闭某个端口号进程 |
您所在的位置：网站首页 › 如何封闭1021端口 › 如何关闭某个端口号进程 |
如何关闭某个端口号进程
|
一、背景 我们在开发web程序时，端口占用情况时有发生，如何解决？ 1.重启(重启治百病~， ctrl+alt+del进入如下界面，选择注销用户后，重新登录！
根据网上大佬写的代码，运行后，输入要sha死的端口后即可! 效果如下
代码如下: package com.tab343.tools; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.HashSet; import java.util.List; import java.util.Scanner; import java.util.Set; import java.util.regex.Matcher; import java.util.regex.Pattern; /** * 强杀端口号 */ public class KillServer { private Set ports; public static void main(String[] args) throws InterruptedException { System.out.println("请输入要杀掉的windows进程的端口号，如果有多个，则以逗号相隔"); System.out.println("Please input kill port"); Scanner scanner = new Scanner(System.in); String input = scanner.next(); scanner.close(); String[] split = input.split(","); Set ports = new HashSet(); for (String spid : split) { try{ int pid = Integer.parseInt(spid); ports.add(pid); }catch(Exception e){ System.out.println("错误的端口号，请输入一个或者多个端口，以英文逗号隔开"); try { Thread.sleep(5000); } catch (InterruptedException e1) { e1.printStackTrace(); } System.exit(0); } } KillServer kill = new KillServer(); kill.ports = ports; System.out.println("need kill " + ports.size() + " num"); for (Integer pid : ports) { kill.start(pid); } System.out.println("清理完毕，程序即将退出"); System.out.println("SUCCESS"); Thread.sleep(5000); System.exit(0); } public void start(int port){ Runtime runtime = Runtime.getRuntime(); try { //查找进程号 Process p = runtime.exec("cmd /c netstat -ano | findstr \""+port+"\""); InputStream inputStream = p.getInputStream(); List read = read(inputStream, "UTF-8"); if(read.size() == 0){ System.out.println("找不到该端口的进程"); try { Thread.sleep(6000); System.exit(0); } catch (InterruptedException e) { e.printStackTrace(); } }else{ for (String string : read) { System.out.println(string); } System.out.println("找到"+read.size()+"个进程，正在准备清理"); kill(read); } } catch (IOException e) { e.printStackTrace(); } } /** * 验证此行是否为指定的端口，因为 findstr命令会是把包含的找出来，例如查找80端口，但是会把8099查找出来 * @param str * @return */ private boolean validPort(String str){ Pattern pattern = Pattern.compile("^ *[a-zA-Z]+ +\\S+"); Matcher matcher = pattern.matcher(str); matcher.find(); String find = matcher.group(); int spstart = find.lastIndexOf(":"); find = find.substring(spstart + 1); int port = 0; try { port = Integer.parseInt(find); } catch (NumberFormatException e) { System.out.println("查找到错误的端口:" + find); return false; } if(this.ports.contains(port)){ return true; }else{ return false; } } /** * 更换为一个Set，去掉重复的pid值 * @param data */ public void kill(List data){ Set pids = new HashSet(); for (String line : data) { int offset = line.lastIndexOf(" "); String spid = line.substring(offset); spid = spid.replaceAll(" ", ""); int pid = 0; try { pid = Integer.parseInt(spid); } catch (NumberFormatException e) { System.out.println("获取的进程号错误:" + spid); } pids.add(pid); } killWithPid(pids); } /** * 一次性杀除所有的端口 * @param pids */ public void killWithPid(Set pids){ for (Integer pid : pids) { try { Process process = Runtime.getRuntime().exec("taskkill /F /pid "+pid+""); InputStream inputStream = process.getInputStream(); String txt = readTxt(inputStream, "GBK"); System.out.println(txt); } catch (IOException e) { e.printStackTrace(); } } } private List read(InputStream in,String charset) throws IOException{ List data = new ArrayList(); BufferedReader reader = new BufferedReader(new InputStreamReader(in, charset)); String line; while((line = reader.readLine()) != null){ boolean validPort = validPort(line); if(validPort){ data.add(line); } } reader.close(); return data; } public String readTxt(InputStream in,String charset) throws IOException{ BufferedReader reader = new BufferedReader(new InputStreamReader(in, charset)); StringBuffer sb = new StringBuffer(); String line; while((line = reader.readLine()) != null){ sb.append(line); } reader.close(); return sb.toString(); } } |
)，就是代价过大！
B++
【本文地址】
今日新闻 |
推荐新闻 |