Springboot配置application.yml连接MySQL数据库

1.在pom.xml的<dependencies></dependencies>标签中中加入以下依赖
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>

   <dependency>
         <groupId>org.mybatis.spring.boot</groupId>
        <artifactId>mybatis-spring-boot-starter</artifactId>
         <version>2.0.1</version>
    </dependency>

    <dependency>
        <groupId>mysql</groupId>
       <artifactId>mysql-connector-java</artifactId>
       <scope>runtime</scope>
    </dependency>

    <dependency>
        <groupId>com.alibaba</groupId>
       <artifactId>druid</artifactId>
         <version>1.1.10</version>
   </dependency>

把resource包下的application.properties复制一份再粘贴名字改成application.yml，加入以下内容
server:
port: 8080
servlet:
context-path: /
spring:
datasource:
username: root
password:
url: jdbc:mysql://localhost:3306/mybatis?useUnicode=true&characterEncoding=utf-8&useSSL=true&serverTimezone=UTC
type: com.alibaba.druid.pool.DruidDataSource
driver-class-name: com.mysql.cj.jdbc.Driver