Springboot项目快速实现过滤器功能

@SpringBootApplication
@ServletComponentScan
public class FanfuApplication {
    public static void main(String[] args) {
        SpringApplication.run(FanfuApplication.class, args);
    }
}

@Slf4j
@WebFilter(filterName = "myFilter1", urlPatterns = "/*", initParams = {@WebInitParam(name = "creator", value = "fanfu")})
public class MyFilter1 implements Filter {
 
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        log.info("//myFilter1初始化开始");
        String creator = filterConfig.getInitParameter("creator");
        log.info("//初始化参数creator:{}",creator);
    }
 
    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        log.info("//myFilter1开始执行");
        chain.doFilter(request, response);
        log.info("//myFilter1结束执行");
    }
 
    @Override
    public void destroy() {
        log.info("//myfilter1被销毁");
    }
}

@Slf4j
@WebFilter(filterName = "myFilter2", urlPatterns = "/*")
public class MyFilter2 implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        log.info("//myFilter2初始化开始");
    }
 
    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        log.info("//myFilter2开始执行");
        chain.doFilter(request, response);
        log.info("//myFilter2结束执行");
    }
 
    @Override
    public void destroy() {
        log.info("//myFilter2被销毁");
    }
}

@Configuration
public class WebConfig {
 
    @Bean
    public FilterRegistrationBean filterRegistration1() {
        FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean();
        filterRegistrationBean.setFilter(new MyFilter3());
        filterRegistrationBean.addUrlPatterns("/*");//定义过滤器对哪些请求路径进行过滤，/*表示对所有请求都过滤
        filterRegistrationBean.setOrder(2);//定义过滤器的执行优先级，数据越小优先级越高
        return filterRegistrationBean;
    }
 
    @Bean
    public FilterRegistrationBean filterRegistration2() {
        FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean();
        filterRegistrationBean.setFilter(new MyFilter4());
        filterRegistrationBean.addUrlPatterns("/*");
        filterRegistrationBean.setOrder(1);
        return filterRegistrationBean;
    }
}

@Slf4j
public class MyFilter3 implements Filter {
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
    log.info("//MyFilter3初始化开始");
    }
 
    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        log.info("//MyFilter3开始执行");
        chain.doFilter(request,response);
        log.info("//MyFilter3结束执行");
    }
 
    @Override
    public void destroy() {
        log.info("//MyFilter3被销毁");
    }
}

@Slf4j
public class MyFilter4 implements Filter {
 
    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        log.info("//MyFilter4初始化开始");
    }
 
    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        log.info("//MyFilter4开始执行");
        chain.doFilter(request,response);
        log.info("//MyFilter4结束执行");
    }
 
    @Override
    public void destroy() {
        log.info("//MyFilter4被销毁");
    }
}