HarmonyNext使用SocketIO实现长链 原创

"dependencies": {
    "@ohos/socketio_2.x": "^1.0.3"
}
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this.client = new client_socket();
this.client?.set_open_listener(() => {
  this.connected = true;
  Logger.info(TAG, "连接服务器成功");
  this.callback?.onOpen();
});
this.client?.set_fail_listener(() => {
  Logger.info(TAG, "连接服务器失败");
  this.callback?.onFail();
});
this.client?.set_reconnecting_listener(() => {
  Logger.info(TAG, "正在重新连接服务器中");
  this.callback?.onReconnecting();
});
this.client?.set_reconnect_listener(() => {
  Logger.info(TAG, "重新连接服务器");
  this.callback?.onReconnect();
});
this.client?.set_close_listener((reason: string) => {
  this.connected = false;
  Logger.info(TAG, "连接关闭 " + reason);
  this.callback?.onClose(reason);
});
this.client?.set_socket_open_listener((nsp: string) => {
  Logger.info(TAG, "on_socket_open " + nsp);
  this.callback?.onSocketOpen(nsp);
});
this.client?.set_socket_close_listener((nsp: string) => {
  Logger.info(TAG, "on_socket_close " + nsp);
  this.callback?.onSocketClose(nsp);
});

// 设置命名空间
this.client?.set_nsp("/app");
// 设置header参数
this.client?.set_headers(`{token:${BigInt(tokenId)},name:测试}`);

this.client?.set_reconnect_delay(1000)
this.client?.set_reconnect_delay_max(5000)
this.client?.set_reconnect_attempts(3)
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// 连接
this.client?.connect('https://host:port')

// 断连
this.client?.socket_close();
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