1.引入
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>druid-spring-boot-starter</artifactId>
<version>1.1.10</version>
</dependency>
<dependency>
<groupId>log4j</groupId>
<artifactId>log4j</artifactId>
<version>1.2.15</version>
</dependency>
2.设置
spring:
datasource:
## primary:
url: jdbc:mysql://127.0.0.1:3306/test?serverTimezone=GMT%2B8&characterEncoding=UTF-8
username: root
password: wzaq2018@0702
type: com.alibaba.druid.pool.DruidDataSource
# 初始化,最大连接数
initialSize: 10
minIdle: 10
maxActive: 50
# 获取数据库连接等待的超时时间
maxWait: 60000
# 配置多久进行一次检测,检测需要关闭的空闲连接 单位毫秒
timeBetweenEvictionRunsMillis: 60000
#配置一个连接池在池中最小生存时间
minEvictableIdleTimeMillis: 300000
# 监测连接是否可用,dual是数据库自带的表
validationQuery: SELECT 'x'
# 指明连接是否被空闲连接回收器(如果有)进行检验.如果检测失败,则连接将被从池中去除.
testWhileIdle: true
# 指明是否在从池中取出连接前进行检验,如果检验失败,则从池中去除连接并尝试取出另一个.
testOnBorrow: true
# 指明是否在归还到池中前进行检验
testOnReturn: false
# 打开PSCache,并且指定每个连接上PSCache的大小
poolPreparedStatements: true
maxPoolPreparedStatementsPerConnectionSize: 20
# 配置监控统计拦截的filters,去掉后,监控界面的sql无法统计,wall用于防火墙
filters: stat,wall,log4j
# 通过connectProperties属性来打开mergeSql功能;慢SQL记录
connectionProperties: druid.stat.mergeSql=true;druid.stat.slowSqlMillis=5000
# 合并多个DruidDataSource的监控数据
useGlobalDataSourceStat: true
3.配置类
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;
@Configuration
public class DruidConfig {
@ConfigurationProperties(prefix = "spring.datasource")
@Bean
public DruidDataSource getDruidDS(){
return new DruidDataSource();
}
@Bean
public ServletRegistrationBean druidStatViewServle(){
ServletRegistrationBean servletRegistrationBean=new ServletRegistrationBean(new StatViewServlet(),"/druid/*");
servletRegistrationBean.addInitParameter("allow","127.0.0.1");
servletRegistrationBean.addInitParameter("deny","192.168.1.73");
servletRegistrationBean.addInitParameter("loginUsername","admin");
servletRegistrationBean.addInitParameter("loginPassword","321321");
servletRegistrationBean.addInitParameter("resetEnable","false");
return servletRegistrationBean;
}
@Bean
public FilterRegistrationBean druidStatFilter(){
FilterRegistrationBean filterRegistrationBean=new FilterRegistrationBean(new WebStatFilter());
filterRegistrationBean.addUrlPatterns("/*");
filterRegistrationBean.addInitParameter("exclusions","*.js,*.gif,*.jpg,*.bmp,*.png,*.css,*.ico,/druid/*");
return filterRegistrationBean;
}
}