A much better idea is to place all your business logic into a controller servlet.

更好的办法是将所有业务逻辑放在一个控制器servlet (controller servlet)中。

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Consider Listing 6, which illustrates a normal portion of code from a controller servlet.

考虑清单6，它展示了一个控制器servlet中普通的一段代码。

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Used to make asynchronous requests to the Web server to retrieve the data through a controller servlet.

用于向Web服务器作出异步请求，以通过一个控制器servlet获取数据。

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