In the classic servlet model, an open connection means a dedicated thread is doing nothing but waiting until it needs to update the client in response to an event.

在典型的servlet模型中，一个打开的连接意味着一个不执行任何操作的专用线程，它将一直等待，直到在响应事件时更新客户端。

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In the classic servlet model, an open connection means a dedicated thread is doing nothing but waiting until it needs to update the client in response to an event.

在典型的servlet模型中，一个打开的连接意味着一个不执行任何操作的专用线程，它将一直等待，直到在响应事件时更新客户端。

youdao