在xml里
"jdbc:mysql://localhost:3306/db_xiaoqi?characterEncoding=utf8&useSSL=false&serverTimezone=UTC&rewriteBatchedStatements=true"
.properties配置文件
driver=com.mysql.cj.jdbc.Driver
url=jdbc:mysql://localhost:3306/mybatis_study?serverTimezome=UTC
username=root
password=123456
）)
