CheckSessionFilter详解
本文介绍了一个自定义的Spring Web过滤器CheckSessionFilter，该过滤器继承了OncePerRequestFilter。文章探讨了CheckSessionFilter的工作原理及其在实际应用中的意义。
每一次请求执行一次的过滤器
import org.springframework.web.filter.OncePerRequestFilter;
public class CheckSessionFilter extends OncePerRequestFilter {
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {
filterChain.doFilter(request, response);
}
}
[color=red]疑问：这个真正有意义吗？[/color]
import org.springframework.web.filter.OncePerRequestFilter;
public class CheckSessionFilter extends OncePerRequestFilter {
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {
filterChain.doFilter(request, response);
}
}
[color=red]疑问：这个真正有意义吗？[/color]
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