durid 配置

package com.yao.config;

import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewServlet;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import javax.sql.DataSource;
import java.util.HashMap;

@Configuration
public class DruidConfig {

    @Bean
    @ConfigurationProperties(prefix = "spring.datasource")
    public DataSource druidDataSource(){
        return new DruidDataSource();
    }
    @Bean
    //后台监控功能
    public ServletRegistrationBean statViewServlet(){
        ServletRegistrationBean<StatViewServlet> bean = new ServletRegistrationBean<>(new StatViewServlet(), "/druid/*");

      //需要有人登录
        HashMap<String, String> initParameters = new HashMap<>();
        //添加配置
        initParameters.put("loginUsername","admin");//登录的key 是固定的loginUsername  loginPassword
        initParameters.put("loginPassword","123456");

        //允许谁能访问
        initParameters.put("allow","");

        //禁止谁能访问

        // initParameters.put("kuangshen","192.123.123.1");






        bean.setInitParameters(initParameters);//设置初始化参数
return bean;
    }

}

　　

    //配置 Druid 监控 之  web 监控的 filter
//WebStatFilter：用于配置Web和Druid数据源之间的管理关联监控统计
    @Bean
    public FilterRegistrationBean webStatFilter() {

        FilterRegistrationBean bean = new FilterRegistrationBean();
        bean.setFilter(new WebStatFilter());


        Map<String, String> initParams = new HashMap<>();
        //exclusions：设置哪些请求进行过滤排除掉，从而不进行统计

        initParams.put("exclusions", "*.js,*.css,/druid/*,/jdbc/*");
        bean.setInitParameters(initParams);

        //"/*" 表示过滤所有请求
        bean.setUrlPatterns(Arrays.asList("/*"));
        return bean;
    }