//更新剩余车位数
private void button2_Click(object sender, EventArgs e)
{
HeartService.GetInstance().UpdateParkRemainCount();
}
//同步设备状态
private void button4_Click(object sender, EventArgs e)
{
HeartService.GetInstance().UpdateEquipmentStatus();
}
//启动心跳,白名单更新
private void button3_Click(object sender, EventArgs e)
{
HeartService.GetInstance().Start();
button3.Enabled = false;
}