Springboot-整合druid

pom.xml
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-jdbc</artifactId>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <scope>runtime</scope>
        </dependency>
	    <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.2.5</version>
        </dependency>
		<dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>

        </dependency>
           

application.yaml

spring:
  datasource:
    username: root
    password: 12345678
    url: jdbc:mysql://localhost:3306/javaweb?serverTimezone=UTC&useUnicode=true&characterEncoding=utf-8
    driver-class-name: com.mysql.cj.jdbc.Driver
    type: com.alibaba.druid.pool.DruidDataSource

    initialSize: 5
    minIdle: 5
    maxActive: 20
    # 配置擷取連接配接等待逾時的時間
    maxWait: 60000
    # 配置間隔多久才進行一次檢測，檢測需要關閉的空閑連接配接，機關是毫秒
    timeBetweenEvictionRunsMillis: 60000
    # 配置一個連接配接在池中最小生存的時間，機關是毫秒
    minEvictableIdleTimeMillis: 300000
    validationQuery: SELECT 1 FROM DUAL
    testWhileIdle: true
    testOnBorrow: false
    testOnReturn: false
    # 打開PSCache，并且指定每個連接配接上PSCache的大小
    poolPreparedStatements: true
    maxPoolPreparedStatementPerConnectionSize: 20
    # 配置監控統計攔截的filters，去掉後監控界面sql無法統計，'wall'用于防火牆
    filters: stat,wall,log4j
    # 通過connectProperties屬性來打開mergeSql功能；慢SQL記錄
    connection-properties: druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000
    # 合并多個DruidDataSource的監控資料
    useGlobalDataSourceStat: true
    # web-stat-filter:
    # enabled: false
           

DruidConfig

package com.faa.lpfproject01.config;

import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import org.springframework.beans.factory.annotation.Configurable;
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.servlet.ServletRegistration;
import javax.sql.DataSource;
import java.util.HashMap;
import java.util.Map;

@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<>();
        initParameters.put("loginUsername","admin");
        initParameters.put("loginPassword","123456");
        //允許通路
        initParameters.put("allow","");
        //禁止通路
//        initParameters.put("ks","1");
        bean.setInitParameters(initParameters);
        return bean;

    }

    @Bean
    public FilterRegistrationBean webStatFilter(){
        FilterRegistrationBean bean = new FilterRegistrationBean();
        bean.setFilter(new WebStatFilter());
        Map<String,String> initParameters = new HashMap<>();
        initParameters.put("exclusions","*.js,*.css,/druid/*");
        bean.setInitParameters(initParameters);
        return bean;
    }

}