DruidServletAutoConfiguration.java 文件源码

@Bean
@ConfigurationProperties(DruidServletProperties.DRUID_SERVLET_PREFIX)
public ServletRegistrationBean druidServlet(DruidServletProperties properties) {
    ServletRegistrationBean reg = new ServletRegistrationBean();
    reg.setServlet(new StatViewServlet());
    reg.addUrlMappings(properties.getUrlMappings());
    if(properties.getAllow() !=null){
        reg.addInitParameter("allow", properties.getAllow());  // IP白名单 (没有配置或者为空，则允许所有访问)
    }
    if(properties.getDeny() !=null){
        reg.addInitParameter("deny", properties.getDeny()); //IP黑名单 (存在共同时，deny优先于allow)
    }
    if(properties.getLoginUsername() !=null){
        reg.addInitParameter("loginUsername", properties.getLoginUsername()); //用户名
    }
    if(properties.getLoginPassword() !=null){
        reg.addInitParameter("loginPassword", properties.getLoginPassword()); // 密码
    }
    if(properties.getResetEnable() !=null){
        reg.addInitParameter("resetEnable", properties.getResetEnable().toString());// 禁用HTML页面上的“Reset All”功能
    }
    return reg;
}