import socket
import threading
import queue
import json
 
 
class Server(threading.Thread):
    def __init__(self, port):
        threading.Thread.__init__(self)
        self.address = ('', port)
        self.s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
 
    def recv_(self, data, addr):
        lock.acquire()
        try:
            que.put((addr, data))
        finally:
            lock.release()
 
    def send_data(self):
        while True:
            if not que.empty():
                data = ''
                message = que.get()
                if isinstance(message[1], str):
                    for i in range(len(users)):
                        for j in range(len(users)):
                            if message[0] == users[j][2]:
                                data = f'{users[j][1]}：{message[1]}'
                                break
                        users[i][0].send(data.encode())
 
                if isinstance(message[1], list):
                    data = json.dumps(message[1])
                    for i in range(len(users)):
                        try:
                            users[i][0].send(data.encode())
                        except: pass
 
    def tcp_connect(self, conn, addr):
        users.append((conn, conn.recv(1024).decode(), addr))
        self.recv_([users[i][1] for i in range(len(users))], addr)
        try:
            while True:
                self.recv_(conn.recv(1024).decode(), addr)
        except:
            a = 0
            for i in users:
                if i[0] == conn:
                    users.pop(a)
                    self.recv_([users[i][1] for i in range(len(users))], addr)
                    break
                a += 1
            conn.close()
 
    def run(self):
        self.s.bind(self.address)
        self.s.listen(5)
        threading.Thread(target=self.send_data).start()
        while True:
            conn, addr = self.s.accept()
            threading.Thread(target=self.tcp_connect, args=(conn, addr)).start()
 
 
users = []
que = queue.Queue()
lock = threading.Lock()
Server(1224).start()

可以自己用源碼搭建，也可以下載文件用現成的。