application.yml配置数据库

在application.yml文件中配置数据库，需要添加以下配置项：

1. 首先，在spring节点下添加datasource节点，配置数据库连接信息。示例代码如下：

spring:
  datasource:
    url: jdbc:mysql://localhost:3306/test1?characterEncoding=utf-8&serverTimezone=GMT+8
    username: root
    password: 123456
    driver-class-name: com.mysql.cj.jdbc.Driver

这里的url是数据库的连接地址，username是数据库的用户名，password是数据库的密码，driver-class-name是数据库的驱动名称。

2. 接下来，在mybatis节点下添加mapper-locations和type-aliases-package配置项。示例代码如下：

mybatis:
  mapper-locations: classpath:mapper/*Mapper.xml
  type-aliases-package: com.test.elasticsearchdemo.domain

这里的mapper-locations是指定mapper映射xml文件的路径，type-aliases-package是指定实体类的路径。

通过以上配置项，可以成功配置数据库连接和MyBatis的相关配置。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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