1、创建spring boot项目，如下图所示
2、添加maven依赖，代码如下<dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-jdbc</artifactId> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <scope>runtime</scope> </dependency>
3、修改application.properties配置文件，添加如下代码spring.datasource.url=jdbc:mysql://localhost:3306/testspring.datasource.username=rootspring.datasource.password=rootspring.datasource.driver-class-name=com.mysql.jdbc.Driver
4、添加测试代码，在启动方法中添加如下代码，用JdbcTemplate操作数据库@SpringBootApplicationpublic class SpringBootMysqlApplication { public static void main(String[] args) { ConfigurableApplicationContext context = SpringApplication.run(SpringBootMysqlApplication.class, args); JdbcTemplate jdbcTemplate = context.getBean(JdbcTemplate.class); List<Map<String, Object>> result = jdbcTemplate.queryForList("SELECT * FROM USER"); System.out.println(result); }}
5、点击启动按钮，启动程序
6、在控制台打印了user表的所有信息，如下图所示，mysql配置成功，数据连接池也创建成功
