使用nodejs向特定的websocket客户端发送消息

npm install websocket

const WebSocket = require('websocket');

const server = new WebSocket.server({
  httpServer: http.createServer().listen(8080)
});

const clients = [];

server.on('request', (request) => {
  const connection = request.accept(null, request.origin);
  clients.push(connection);

  // 处理接收到的消息
  connection.on('message', (message) => {
    // 处理接收到的消息
  });

  // 处理连接关闭事件
  connection.on('close', (reasonCode, description) => {
    // 处理连接关闭事件
  });
});

function sendToClient(clientId, message) {
  const client = clients.find((c) => c.clientId === clientId);
  if (client) {
    client.send(message);
  }
}