1 查看当前连接池的信息

import javax.sql.DataSource;
@RestController
@SpringBootApplication
public class HsellApplication   implements CommandLineRunner {

    @Autowired
    DataSource dataSource;
    public static void main(String[] args) {
        SpringApplication.run(HsellApplication.class, args);
    }
    @Override
    public void run(String... strings) throws Exception {
        System.out.println("DATASOURCE = " + dataSource);
    }
}

控制台信息：
dataSource = {HikariDataSource@10070} "HikariDataSource (HikariPool-1)"
 isShutdown = {AtomicBoolean@10083} "false"
 fastPathPool = null
 pool = {HikariPool@10084} "HikariPool-1"
 connectionTimeout = 30000
 validationTimeout = 5000
 idleTimeout = 600000
 leakDetectionThreshold = 0
 maxLifetime = 1800000
 maxPoolSize = 10
 minIdle = 10
 username = "root"
 password = "GouhuotongZDZ123"
 initializationFailTimeout = 1
 catalog = null
 connectionInitSql = null
 connectionTestQuery = null
 dataSourceClassName = null
 dataSourceJndiName = null
 driverClassName = "com.mysql.jdbc.Driver"
 jdbcUrl = "jdbc:mysql://xx.xx/hsell?characterEncoding=utf-8&useSSL=false&serverTimezone=Asia/Shanghai"
 poolName = "HikariPool-1"
 schema = null
 transactionIsolationName = null
 isAutoCommit = true
 isReadOnly = false
 isIsolateInternalQueries = false
 isRegisterMbeans = false
 isAllowPoolSuspension = false
 dataSource = null
 dataSourceProperties = {Properties@10090}  size = 0
 threadFactory = null
 scheduledExecutor = null
 metricsTrackerFactory = null
 metricRegistry = null
 healthCheckRegistry = null
 healthCheckProperties = {Properties@10091}  size = 0
 sealed = true