SpringBoot配置Druid数据监控代码实例

SpringBoot配置Druid数据监控代码实例

druid，一个为监控而生的数据库连接池，提供可视化界面来查看sql执行情况。

1、pom文件引入druid数据源

com.alibaba

druid

1.1.8

2、新建一个DrruidConfig配置文件

package com.example.mybatisplus.config;

import com.alibaba.druid.pool.DruidDataSource;

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.Arrays;

import java.util.HashMap;

import java.util.Map;

/**

* druid数据池配置

*/

@Configuration

public class DruidConfig {

@ConfigurationProperties(prefix = "spring.datasource")

@Bean

public DataSource druid(){

return new DruidDataSource();

}

//配置Druid的监控

//1、配置一个管理后台的Servlet

@Bean

public ServletRegistrationBean statViewServlet(){

ServletRegistrationBean bean = new ServletRegistrationBean(new StatViewServlet(), "/druid/*");

Map initParams = new HashMap<>();

//配置登录的账号密码

initParams.put("loginUsername","admin");

initParams.put("loginPassword","123456");

// initParams.put("deny","localhost"); //拒绝谁登录

//是否能够重置数据.

// bean.addInitParameter("resetEnable","false");

bean.setInitParameters(initParams);

return bean;

}

//2、配置一个web监控的filter

@Bean

public FilterRegistrationBean webStatFilter(){

FilterRegistrationBean bean = new FilterRegistrationBean();

bean.setFilter(new WebStatFilter());

Map initParams = new HashMap<>();

initParams.put("exclusions","*.html,*.js,*.gif,*.jpg,*.png,*.css,*.ico,/druid/*");

bean.setInitParameters(initParams);

bean.setUrlPatterns(Arrays.asList("/*"));

return bean;

}

}

3、yml文件配置

spring:

datasource:

schema:

- classpath:schema.sql

initialization-mode: ALWAYS

username: root

password: root

url: jdbc:mysql://localhost:3306/jdbc?serverTimezone=UTC&useUnicode=true&characterEncoding=utf8&useSSL=false

driver-class-name: com.mysql.cj.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

maxPoolPreparedStatementPerConnHMRvHooectionSize: 20

useGlobalDataSourceStat: true

connectionProperties: druid.stat.mergeSql=true;druid.stat.slowSqlMillis=500

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