package cn.luozc.etu_web.filter;

import org.nutz.ioc.loader.annotation.IocBean;

import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

@IocBean
public class LoginFilter implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        System.err.println("sa");
    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        HttpServletRequest req = (HttpServletRequest) request;
        HttpServletResponse res = (HttpServletResponse) response;
        String contextPath = req.getContextPath();
        System.err.println(contextPath);

        chain.doFilter(request,response);
    }

    @Override
    public void destroy() {

    }
}

有加了，没进来

明白了谢谢