spring:标签：jdbc,数据源,配置,com,mysql,root,true From： https://www.cnblogs.com/wanlixixi/p/17197841.html
# 数据源配置
datasource:
type: com.alibaba.druid.pool.DruidDataSource
driver-class-name: com.mysql.cj.jdbc.Driver
url: jdbc:mysql://127.0.0.1:3306/springboot_mybatis?autoReconnect=true&useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=CONVERT_TO_NULL&useSSL=false&serverTimezone=GMT%2B8
username: root
password: root