druid.properties文件的配置

driverClassName=com.mysql.cj.jdbc.Driver
url=jdbc:mysql:///db3?serverTimezone=UTC&characterEncoding=utf-8&useSSL=false
username=root
password=root

初始化连接数量

initialSize=5

最大连接数

maxActive=10

最大超时时间

maxWait=3000
filters=stat
timeBetweenEvictionRunsMillis=60000
minEvictableIdleTimeMillis=300000
validationQuery=SELECT 1
testWhileIdle=true
testOnBorrow=false
testOnReturn=false
poolPreparedStatements=false
maxPoolPreparedStatementPerConnectionSize=200