druid的监控页面添加用户名和密码，默认无认证

@Configuration
public class DruidConfiguration {

@Bean
public ServletRegistrationBean servletRegistrationBean() {
    ServletRegistrationBean druidServlet = new ServletRegistrationBean(new StatViewServlet(), "/druid/*");
    Map<String, String> map = new HashMap<String, String>();
    map.put("loginUsername", "admin");
    map.put("loginPassword", "druidPassword");
    druidServlet.setInitParameters(map);
    return druidServlet;

}
}