<filter>
<filter-name>filter1</filter-name>
<filter-class>com.yu.configure.filter.CustomFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>filter1</filter-name>
<url-pattern>/</url-pattern>
</filter-mapping>
public class CustomFilter implements Filter {
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
request.setAttribute("filter1", "CustomFilter");
chain.doFilter(request, response);
}
@Override
public void init(FilterConfig filterConfig) throws ServletException {
System.out.println("filter1"+filterConfig);
}
@Override
public void destroy() {
}
}