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我可以理解,持久连接与 HTML-Webobject 结合使用。但据我所知,几乎每个请求都使用持久连接。对图片、Javascript、HTML...等的请求。你能解释一下这个用法以及这些连接打开了多长时间?浏览器会关闭它们还是关闭 Web 服务器?
有一篇非常好的维基百科文章:http ://en.wikipedia.org/wiki/HTTP_persistent_connection#HTTP_1.1