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;import javax.sql.DataSource;import java.util.Arrays;import java.util.HashMap;import java.util.Map;/*** @ProjectName driver-service* @ClassName DruidConfig* @Desicription TODO* @Author Zhang Xueliang* @Date /11/4 15:34* @Version 1.0**/@Configurationpublic class DruidConfig {@ConfigurationProperties(prefix = "spring.datasource")@Beanpublic DataSource druid(){return new DruidDataSource();}/*** druid管理后台servlet* @return*/@Beanpublic ServletRegistrationBean statViewServlet(){ServletRegistrationBean servletRegistrationBean = new ServletRegistrationBean(new StatViewServlet(), "/druid/*");Map<String,String> initParams = new HashMap<>();initParams.put("loginUsername","admin");initParams.put("loginPassword","fengyun");initParams.put("allow","");//为空表示允许所有访问servletRegistrationBean.setInitParameters(initParams);return servletRegistrationBean;}/*** 配置druid web监控filter* @return*/@Beanpublic FilterRegistrationBean webStatFilter(){FilterRegistrationBean filterRegistrationBean = new FilterRegistrationBean();filterRegistrationBean.setFilter(new WebStatFilter());Map<String,String> initParams = new HashMap<>();initParams.put("exclusions","*.js,*.css,/druid/*");filterRegistrationBean.setInitParameters(initParams);filterRegistrationBean.setUrlPatterns(Arrays.asList("/*"));return filterRegistrationBean;}}
配置文件：
spring:datasource:type: com.alibaba.druid.pool.DruidDataSourcedriver-class-name: com.mysql.jdbc.Driver# 连接池的配置信息# 初始化大小，最小，最大initialSize: 5minIdle: 5maxActive: 50# 配置获取连接等待超时的时间maxWait: 60000# 配置间隔多久才进行一次检测，检测需要关闭的空闲连接，单位是毫秒timeBetweenEvictionRunsMillis: 60000# 配置一个连接在池中最小生存的时间，单位是毫秒minEvictableIdleTimeMillis: 300000validationQuery: SELECT 1 FROM DUALtestWhileIdle: truetestOnBorrow: falsetestOnReturn: false# 打开PSCache，并且指定每个连接上PSCache的大小poolPreparedStatements: truemaxPoolPreparedStatementPerConnectionSize: 20# 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,logback# 通过connectProperties属性来打开mergeSql功能；慢SQL记录connectionProperties: druid.stat.mergeSql\=true;druid.stat.slowSqlMillis\=5000
pom依赖：
<dependency><groupId>com.alibaba</groupId><artifactId>druid</artifactId><version>1.1.3</version></dependency>
