有2个表,spawnlist而且npc,我需要从中删除数据spawnlsit.
npc_templateid = n.idTemplate是唯一"连接"表格的东西.我试过这个脚本,但它不起作用.
我试过这个:
DELETE s FROM spawnlist s
INNER JOIN npc n ON s.npc_templateid = n.idTemplate
WHERE (n.type = "monster");
Run Code Online (Sandbox Code Playgroud) 我需要从PC上获取MAC地址.到目前为止我写的代码在这里(这只是代码的一小部分).
public byte[] getMac(L2PcInstance player)
{
try
{
NetworkInterface ni = NetworkInterface.getByInetAddress(player.getClient().getConnectionAddress());
if (ni != null)
{
byte[] mac = ni.getHardwareAddress();
if (mac != null)
{
return mac;
}
}
}
catch (SocketException e)
{
_log.log(Level.SEVERE, "No MAC address.", e);
}
return null;
}
Run Code Online (Sandbox Code Playgroud)
这段代码找到我运行它的PC的MAC,但我需要获得远程MAC.