您还会了解到几个Web技巧,例如如何使用过滤器和浏览器ID cookies。
You'll also learn several Web techniques, such as using filters and browser ID cookies.
第2部分还提供了一个servlet过滤器BrowserIdFilter,用于识别跨浏览器会话的匿名用户。
Part 2 also presents a servlet filter named BrowserIdFilter, which is used to identify anonymous users across browser sessions.
这么做只会带来更大的麻烦(更确切地说,是更多的麻烦),比如多浏览器支持、数据封送处理、并发冲突、服务器负载以及定制 servlet 和 servlet 过滤器。
Doing so is simply a big headache -- or multiple headaches, rather, with names like multibrowser support, data marshaling, concurrency violation, server load, and custom servlets and servlet filters.
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