检索指定名称和请求上下文的控制器类型。
Retrieves the controller type for the specified name and request context.
几乎所有的游戏控制器都可以从某种类型的开关中接收部分或全部的输入。
Nearly all game controllers receive some or all of their input from various switches of some type.
记住,控制器根据这个头决定内容的类型。
Remember, the controller determines the type of content to render based on that header.
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