druid数据库连接池的后台监控配置

application.properties

spring:
  datasource:
    username: root
    password: 123456
    url: jdbc:mysql://localhost:3306/dongmu?useUnicode=true&characterEncoding=utf8&useSSL=true
    driver-class-name: com.mysql.jdbc.Driver
    type: com.alibaba.druid.pool.DruidDataSource

    initialSize: 5
    minIdle: 5
    maxActive: 20
    maxWait: 60000
    timeBetweenEvictionRunsMillis: 60000
    minEvictableIdleTimeMillis: 300000
    validationQuery: SELECT 1 FROM DUAL
    testWhileIdle: true
    testOnBorrow: false
    testOnReturn: false
    poolPreparedStatements: true
    #   配置监控统计拦截的filters，去掉后监控界面sql无法统计，'wall'用于防火墙
    filters: stat,wall,log4j
    maxPoolPreparedStatementPerConnectionSize: 20
    useGlobalDataSourceStat: true
    connectionProperties: druid.stat.mergeSql=true;druid.stat.slowSqlMillis=500
server:
  port: 8080

DruidConfig

package com.dongmu.config;

import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewFilter;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
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;
import java.util.Map;
import java.util.logging.Filter;

@Configuration
public class DruidConfig {

    @ConfigurationProperties(prefix = "spring.datasource")
    @Bean
    public DataSource druidDataSource(){
        return new DruidDataSource();
    }


    @Bean
    public ServletRegistrationBean statViewServlet(){
        ServletRegistrationBean<StatViewServlet> bean = new ServletRegistrationBean<>(new StatViewServlet(),"/druid/*");

        HashMap<String,String> initParameters = new HashMap<>();

        /*设置登录的用户名和密码*/
        initParameters.put("loginUsername","admin");
        initParameters.put("loginPassword","123456");
        /*允许谁能够访问*/
        initParameters.put("allow","");
        /*禁止访问*/
        initParameters.put("dongmu","192.168.11.123");

        bean.setInitParameters(initParameters);
        return bean;
    }

    @Bean
    public FilterRegistrationBean filterRegistrationBean(){
        FilterRegistrationBean bean = new FilterRegistrationBean<>();

        bean.setFilter(new WebStatFilter());

        Map<String,String> initParameters = new HashMap<>();

        /*这些东西不进行统计*/
        initParameters.put("exclusions","*.js,*.css,/druid/*");

        bean.setInitParameters(initParameters);
        return bean;

    }
}

直接http://localhost:8080/druid登录即可