SpringBoot 连接数据库

Spring Boot项目启动

连接mysql数据库

1. appliction配置文件

spring.datasource.url=jdbc:mysql://127.0.0.1:3306/news?useUnicode=true&characterEncoding=utf-8
spring.datasource.username=root
spring.datasource.password=root
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.datasource.max-idle=10
spring.datasource.max-wait=10000
spring.datasource.min-idle=5
spring.datasource.initial-size=5

2. pom.xml

添加数据库连接
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<scope>runtime</scope>
</dependency>

3. 利用JdbcTemplate执行语句

@Autowired
private JdbcTemplate jdbcTemplate;

@RequestMapping("/getUser")
public List<Map<String,Object>> getUser(){
String sql="select * from initname";
List<Map<String,Object>> list=jdbcTemplate.queryForList(sql);
return list;
}