socket.destroySoon()

写入所有数据后销毁套接字。 如果 'finish' 事件已经触发，则立即销毁套接字。 如果套接字仍然可写，它会隐式调用 socket.end()。

Destroys the socket after all data is written. If the 'finish' event was already emitted the socket is destroyed immediately. If the socket is still writable it implicitly calls socket.end().