一文秒懂springboot druid 配置

  <dependency>
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.17</version>
        </dependency>
       <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>druid</artifactId>
            <version>1.2.6</version>
        </dependency>

server:
  port: 8888
spring:
  datasource:
    username: root
    password: root
    url: jdbc:mysql://localhost:3306/mybatis?useUnicode=true&characterEncoding=utf-8&useSSL=true&serverTimezone=UTC
    driver-class-name: com.mysql.cj.jdbc.Driver
    type: com.alibaba.druid.pool.DruidDataSource
    initialSize: 10
    minIdle: 1
    maxActive: 10
    maxWait: 10000
    timeBetweenEvictionRunsMillis: 6000
    minEvictableIdleTimeMillis: 300000
    testWhileIdle: true
    testOnBorrow: true
    testOnReturn: true

    poolPreparedStatements: true
    maxPoolPreparedStatementPerConnectionSize: 20
    validationQuery: select 1
#    stat 监控统计,wall 防止sql注入,log4j   （yml 要配置，不然会报错）  日志统计
    filters: stat,wall,log4j

import java.util.HashMap;

@Configuration
public class DruidConfig implements WebMvcConfigurer {

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

    //后台监控
    @Bean
    public ServletRegistrationBean statViewServlet(){
        ServletRegistrationBean<StatViewServlet> statViewServlet = new ServletRegistrationBean<>(new StatViewServlet(), "/druid/*");
        //配置后台登录用户名密码
        HashMap<String, String> objectObjectHashMap = new HashMap<>();
        //用户名参数密码不能改变，系统配置
        objectObjectHashMap.put("loginUsername","admin");
        objectObjectHashMap.put("loginPassword","admin");
        //允许谁可以访问  为空时所有人可以访问 例如：objectObjectHashMap.put("allow","localhost"); 代表只能自己访问
        objectObjectHashMap.put("allow","");
        //禁止谁访问 objectObjectHashMap.put("name","192.168.0.1");

        statViewServlet.setInitParameters(objectObjectHashMap);
        return statViewServlet;
    }

}