aichaellee.github.io

 /**
     * druidServlet注册
     */
    @Bean
    public ServletRegistrationBean druidServletRegistration() {
        ServletRegistrationBean registration = new ServletRegistrationBean(new StatViewServlet());
        registration.addUrlMappings("/druid/*");
        return registration;
    }
    /**
     * druid监控 配置URI拦截策略
     */
    @Bean
    public FilterRegistrationBean druidStatFilter() {
        FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean(new WebStatFilter());
        //添加过滤规则.
        filterRegistrationBean.addUrlPatterns("/*");
        //添加不需要忽略的格式信息.
        filterRegistrationBean.addInitParameter(
                "exclusions", "/static/*,*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid,/druid/*");
        //用于session监控页面的用户名显示 需要登录后主动将username注入到session里
        filterRegistrationBean.addInitParameter("principalSessionName", "username");
        return filterRegistrationBean;
    }


    /**
     * druid数据库连接池监控
     */
    @Bean
    public DruidStatInterceptor druidStatInterceptor() {
        return new DruidStatInterceptor();
    }

    @Bean
    public JdkRegexpMethodPointcut druidStatPointcut() {
        JdkRegexpMethodPointcut druidStatPointcut = new JdkRegexpMethodPointcut();
        String patterns = "com.stylefeng.guns.modular.*.service.*";
        //可以set多个
        druidStatPointcut.setPatterns(patterns);
        return druidStatPointcut;
    }

    /**
     * druid数据库连接池监控
     */
    @Bean
    public BeanTypeAutoProxyCreator beanTypeAutoProxyCreator() {
        BeanTypeAutoProxyCreator beanTypeAutoProxyCreator = new BeanTypeAutoProxyCreator();
        beanTypeAutoProxyCreator.setTargetBeanType(DruidDataSource.class);
        beanTypeAutoProxyCreator.setInterceptorNames("druidStatInterceptor");
        return beanTypeAutoProxyCreator;
    }

    /**
     * druid 为druidStatPointcut添加拦截
     *
     * @return
     */
    @Bean
    public Advisor druidStatAdvisor() {
        return new DefaultPointcutAdvisor(druidStatPointcut(), druidStatInterceptor());
    }