1、安装库
pip install tabulate
2、代码实现
!/usr/bin/env python -*- coding: utf-8 -*- “””Windows端口监听程序显示本机处于监听情形的端口，进程ID和程序名称””” import subprocessimport reimport osimport sysfrom tabulate import tabulate def get_listening_ports(): “”” 获取所有处于监听情形的端口信息 返回包含端口、PID和程序名称的列表 “”” try: 使用netstat命令获取所有TCP监听端口 netstat_output = subprocess.check_output( ‘netstat -ano -p tcp | findstr “LISTENING”‘, shell=True, text=True ) 解析netstat输出 port_info = [] for line in netstat_output.splitlines(): 清理并分割行 parts = re.split(r’s+’, line.strip()) if len(parts) >= 5: 提取本地地址和PID local_address = parts[1] pid = parts[4] 从本地地址中提取端口 if ‘:’ in local_address: port = local_address.split(‘:’)[-1] 获取进程名称 try: process_info = subprocess.check_output( f’tasklist /fi “PID eq pid}” /fo csv /nh’, shell=True, text=True ) 解析进程信息 if process_info and ‘”,”‘ in process_info: process_name = process_info.split(‘”,”‘)[0].strip(‘”‘) port_info.append( ‘port’: port, ‘pid’: pid, ‘program’: process_name }) except subprocess.SubprocessError: port_info.append( ‘port’: port, ‘pid’: pid, ‘program’: ‘Unknown’ }) return port_info except subprocess.SubprocessError as e: print(f”获取端口信息时出错: e}”) return [] def display_port_info(port_info): “”” 以表格形式显示端口信息 “”” if not port_info: print(“未找到监听中的端口”) return 准备表格数据 table_data = [] for info in port_info: table_data.append([ info[‘port’], info[‘pid’], info[‘program’] ]) 按端口号排序 table_data.sort(key=lambda x: int(x[0]) if x[0].isdigit() else float(‘inf’)) 显示表格 headers = [“端口”, “进程ID”, “程序名称”] print(tabulate(table_data, headers=headers, tablefmt=”grid”)) def main(): “”” 主函数 “”” print(“正在获取本机监听端口信息…n”) port_info = get_listening_ports() display_port_info(port_info) if __name__ == “__main__”: try: main() except KeyboardInterrupt: print(“n程序被用户中断”) except Exception as e: print(f”程序执行出错: e}”) sys.exit(1)
3、效果如下
4、聪明延展
python监听端口并重启服务脚本
通过python运行体系命令，netstat -aon|findstr 端口号，查看端口是否占用，如果占用着，说明服务没挂，不做处理，sleep设置的时刻，接着再重新运行查看端口占用命令；如果没占用，说明服务挂了，重新运行启动脚本，xxxx.bat，启动服务。
依赖包：
- os（windows命令）
- time（定时）
代码：
根据端口自动重启脚本~ import osimport timeport = input(“n>>>请输入端口: n”) C:/Users/syp1293/Desktop/configfile/center.batbat_path = input(“n>>>请输入bat文件路径: n”)time_u = input(“n>>>请输入间隔时刻: n”)while True: with os.popen(‘netstat -aon|findstr “‘ + port + ‘”‘) as res: res = res.read().split(‘n’) result = [] if res[0] == ”: 不存在端口占用，启动服务 os.system(‘start ‘ + bat_path) time.sleep(120) continue else: for line in res: print(line) temp = [i for i in line.split(‘ ‘) if i != ”] if len(temp) > 4: result.append(‘pid’: temp[4], ‘address’: temp[1], ‘state’: temp[3]}) print(‘PID:’, temp[4]) print(‘sleeping…’) time.sleep(int(time_u))
生成exe文件，并且启动后显示为命令行。
pyinstaller -F osport.py
Python socket端口监听
实现代码
import structimport socketimport timeimport multiprocessing as mpSERVER_IP = “192.168.1.33”PORT_BASE = 30000import osdef recvall(conn, n): Helper function to recv n bytes or return None if EOF is hit data = b” while len(data) < n: packet = conn.recv(n – len(data)) if not packet: print(“hahahah”,”come here”) break data += packet print(len(data)) print(“result ======”,len(data)) return data def recv_data(conn): result = result.decode(“utf8″) data = b” counts = 0 while True: packet = conn.recv(1024) counts += len(packet) if not packet: break data += packet print(“++++++++++++++++”,len(data),counts) return data def listen_client(port): server_port = PORT_BASE + port try its best to listen to bind the ports to receive data while True: try: recv_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) recv_socket.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1) recv_socket.bind((SERVER_IP,port)) print(” listening “,SERVER_IP,port) recv_socket.listen() break except Exception as e: print(“bind port fails “, e, SERVER_IP) os.system(‘fuser -k -n tcp ‘ + str(port)) time.sleep(3) while True: try: conn, client_addr = recv_socket.accept() recv_data(conn) except Exception as e: print(e) for i in range(6): print(“================”,PORT_BASE + 2 * i) mp.Process(target=listen_client, args=(PORT_BASE + 2 * i,)).start()
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