linux 中可以使用 lsof -i:端口号 查看端口占用进程,并使用kill指令杀死进程,但是对于不熟悉windows命令行的同学,
如果运行代码时,一直提示某个端口被占用,使用netstat -ano|findstr LISTEN 虽然也可以查到端口占用进程,但是taskkill 指令还是挺麻烦的。
下面是用trae开发的基于python wxpython库的端口占用检测界面工具。
正文
主程序 port_monitor.py
- import wx
- import subprocess
- import re
- class PortMonitorFrame(wx.Frame):
- def __init__(self, parent, title):
- super(PortMonitorFrame, self).__init__(parent, title=title, size=(600, 400))
- self.InitUI()
- self.Centre()
- self.is_scanning = False
- def InitUI(self):
- panel = wx.Panel(self)
- vbox = wx.BoxSizer(wx.VERTICAL)
- hbox1 = wx.BoxSizer(wx.HORIZONTAL)
- self.port_input = wx.TextCtrl(panel)
- hbox1.Add(wx.StaticText(panel, label='端口号:'), flag=wx.RIGHT, border=8)
- hbox1.Add(self.port_input, proportion=1)
- hbox2 = wx.BoxSizer(wx.HORIZONTAL)
- self.check_btn = wx.Button(panel, label='检测端口占用')
- self.kill_btn = wx.Button(panel, label='终止占用进程')
- self.check_btn.Bind(wx.EVT_BUTTON, self.on_check_port)
- self.kill_btn.Bind(wx.EVT_BUTTON, self.on_kill_process)
- hbox2.Add(self.check_btn, flag=wx.RIGHT, border=8)
- hbox2.Add(self.kill_btn)
- self.result_list = wx.ListCtrl(panel, style=wx.LC_REPORT)
- self.result_list.InsertColumn(0, 'PID', width=100)
- self.result_list.InsertColumn(1, '程序名称', width=200)
- self.result_list.InsertColumn(2, '状态', width=150)
- self.result_list.InsertColumn(3, '是否为主程序', width=100)
- self.result_list.InsertColumn(4, '程序路径', width=250)
- vbox.Add(hbox1, flag=wx.EXPAND|wx.LEFT|wx.RIGHT|wx.TOP, border=10)
- vbox.Add(hbox2, flag=wx.EXPAND|wx.ALL, border=10)
- vbox.Add(self.result_list, proportion=1, flag=wx.EXPAND|wx.LEFT|wx.RIGHT|wx.BOTTOM, border=10)
- panel.SetSizer(vbox)
- def on_check_port(self, event):
- port = self.port_input.GetValue().strip()
- if not port.isdigit():
- wx.MessageBox('请输入有效的端口号', '错误', wx.ICON_ERROR)
- return
- if self.is_scanning:
- wx.MessageBox('扫描正在进行中', '提示', wx.ICON_INFORMATION)
- return
- self.result_list.DeleteAllItems()
- self.is_scanning = True
- wx.CallAfter(self.check_btn.Enable, False)
- def scan_task():
- try:
- startupinfo = subprocess.STARTUPINFO()
- startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
- output = subprocess.check_output(['netstat', '-ano'], text=True, stderr=subprocess.STDOUT, startupinfo=startupinfo)
- pattern = re.compile(r'TCP\s+.*?:{}\s+.*?\s+(\d+)'.format(port))
- pids = pattern.findall(output)
- if not pids:
- wx.CallAfter(wx.MessageBox, '端口未被占用', '提示', wx.ICON_INFORMATION)
- else:
- for pid in set(pids):
- if not self.is_scanning: # 扫描被中断时退出循环
- break
- startupinfo = subprocess.STARTUPINFO()
- startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
- task_info = subprocess.check_output(['tasklist', '/fi', f'pid eq {pid}'], text=True, stderr=subprocess.STDOUT, startupinfo=startupinfo)
- proc_name = re.search(r'(.+?)\s+\d+\s+Console', task_info)
- proc_name = proc_name.group(1).strip() if proc_name else '未知程序'
- # 解析netstat输出获取PID对应的连接状态
- pattern_detail = re.compile(r'TCP\s+.*?:{}\s+.*?\s+(\S+)\s+({})'.format(port, pid))
- status_match = pattern_detail.search(output)
- is_listening = status_match.group(1) == 'LISTENING' if status_match else False
-
- def update_ui(pid, proc_name, is_listening, proc_path):
- index = self.result_list.InsertItem(self.result_list.GetItemCount(), pid)
- self.result_list.SetItem(index, 1, proc_name)
- self.result_list.SetItem(index, 2, '运行中')
- self.result_list.SetItem(index, 3, '是' if is_listening else '')
- self.result_list.SetItem(index, 4, proc_path)
- if is_listening:
- self.result_list.SetItemTextColour(index, wx.RED)
- # 获取程序路径(使用wmic命令)
- try:
- proc_path_output = subprocess.check_output(['wmic', 'process', 'where', f'processid={pid}', 'get', 'executablepath'], text=True, stderr=subprocess.STDOUT, startupinfo=startupinfo)
- proc_path_match = re.search(r'ExecutablePath\s+(.+?)\s*$', proc_path_output, re.MULTILINE)
- proc_path = proc_path_match.group(1).strip() if proc_path_match else '未知路径'
- except:
- proc_path = '未知路径'
- wx.CallAfter(update_ui, pid, proc_name, is_listening, proc_path)
- except subprocess.CalledProcessError as e:
- wx.CallAfter(wx.MessageBox, f'执行命令失败:{e.output}', '错误', wx.ICON_ERROR)
- finally:
- self.is_scanning = False
- wx.CallAfter(self.check_btn.Enable, True)
- import threading
- threading.Thread(target=scan_task, daemon=True).start()
- def on_kill_process(self, event):
- if self.is_scanning:
- wx.MessageBox('扫描未完成,请稍后', '提示', wx.ICON_INFORMATION)
- return
- selected = self.result_list.GetFirstSelected()
- if selected == -1:
- wx.MessageBox('请选择要终止的进程', '提示', wx.ICON_INFORMATION)
- return
- pid = self.result_list.GetItemText(selected)
- try:
- startupinfo = subprocess.STARTUPINFO()
- startupinfo.dwFlags |= subprocess.STARTF_USESHOWWINDOW
- output = subprocess.check_output(['taskkill', '/F', '/PID', pid], text=True, stderr=subprocess.STDOUT, startupinfo=startupinfo)
- self.result_list.DeleteItem(selected)
- wx.MessageBox('进程终止成功', '提示', wx.ICON_INFORMATION)
- except subprocess.CalledProcessError as e:
- wx.MessageBox(f'终止进程失败:{e.output}', '错误', wx.ICON_ERROR)
- if __name__ == '__main__':
- app = wx.App()
- frame = PortMonitorFrame(None, '端口监控工具')
- frame.Show()
- app.MainLoop()
复制代码 2.编译成二进制脚本
这里使用了 nuitka 工具,将py脚本编译成c++的可执行程序。也可以使用 pyinstaller (pyinstaller 编译成的程序会在用户目录留下缓存文件)
- <p>pip install nuitka</p><p></p>
复制代码
批处理文件
build.bat
@echo off
- <p>nuitka --standalone --onefile --windows-console-mode=disable port_monitor.py</p><p>echo 打包完成,可执行文件在dist目录下</p><p>pause</p><p>运行后,生成 port_monitor.exe</p>
复制代码 运行
直接python脚本运行
exe运行
运行效果展示:
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