spring:
  datasource:
    username: name #数据库登陆用户名
    password: password #数据库登陆密码
    url: jdbc:mysql://127.0.0.1:3306/库名?characterEncoding=utf-8&serverTimezone=PRC #数据库url
    driver-class-name: com.mysql.cj.jdbc.Driver #数据库驱动
    type: com.alibaba.druid.pool.DruidDataSource #数据源类型

    @Autowired
    private DataSource dataSource;

    @Test
    void contextLoads() throws SQLException {
    
    
        Connection connection = dataSource.getConnection();
        System.out.println("------"+dataSource.getClass());
        System.out.println("------connection = " + connection);
    }