socket.disconnect()
将连接的 dgram.Socket 与其远程地址分离的同步函数。尝试在未绑定或已断开连接的套接字上调用 disconnect() 将导致 ERR_SOCKET_DGRAM_NOT_CONNECTED 异常。
¥A synchronous function that disassociates a connected dgram.Socket from
its remote address. Trying to call disconnect() on an unbound or already
disconnected socket will result in an ERR_SOCKET_DGRAM_NOT_CONNECTED
exception.