package com.qjc.filter; import lombok.extern.slf4j.Slf4j; import org.springframework.stereotype.Component; import javax.servlet.*; import javax.servlet.annotation.WebFilter; import java.io.IOException; /** * @author Simon * @Description: 自定义过滤器1 * 果用此注解,一定要在配置类中加另外一个注解:@ServletComponetScan,指定扫描的包。 * 过滤器执行顺序会按照filterName的字母顺序进行 * @WebFilter指定的过滤器优先级都高于FilterRegistrationBean配置的过滤器 */ @Slf4j @WebFilter(urlPatterns = "/*", filterName = "aaaa") public class TestFilter1 implements Filter { @Override public void init(FilterConfig filterConfig) { log.info("过滤器1初始化!!!!"); } @Override public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException { log.info("过滤器1开始!!!!"); long start = System.currentTimeMillis(); filterChain.doFilter(servletRequest, servletResponse); log.info("过滤器1结束!!!!耗时:" + (System.currentTimeMillis() - start) + "ms"); } @Override public void destroy() { //当Filter被移除或服务器正常关闭时 log.info("过滤器1销毁!!!!"); } }