Description: 1, the interceptor is based on java reflection mechanism, while the filter is based on function callbacks
2, the filter depends servlet container interceptor does not depend on the servlet container
3, the interceptor can only action requests work, the filter can work on almost all requests
4, the interceptor can access the action context, object value stack, and the filter can not
5, the life cycle of the action, the interceptor can many times be called, and the filter can only be called once in the container initialization
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java-filter\Servlet 3_0笔记之异步拦截器(async filter)的学习 - Java@Free - BlogJava.mht
...........\Servlet中的过滤器(拦截器)Filter与监听器Listener的作用和区别.mht
...........\Servlet中的过滤器(拦截器)Filter与监听器Listener的作用和区别A.doc
...........\Servlet登陆拦截器_scorpio_新浪博客.mht
...........\java 拦截器和过滤器区别（转载） - - JavaEye技术网站.mht
...........\一路行走一路思考 Servlet 3_0笔记之异步拦截器(async filter)的学习.mht
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