This method accepts three input parameters: a ServletRequest, a response, and a FilterChain object.

这个方法接受三个输入参数：一个ServletRequest、response和一个FilterChain对象。

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Your filter class will be passed a reference to a FilterChain object to allow the filter to pass control to the next resource in the chain.

该过滤器类的一个引用将传递给FilterChain对象，以允许过滤器把控制权传递给链中的下一个资源。

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A FilterChain is an object provided by the servlet container to the developer giving a view into the invocation chain of a filtered request for a resource.

FilterChain是一个由servlet容器提供给开发人员的对象，给出某资源的过滤请求的调用链视图。

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