Spring Boot JDBC 使用

<dependency>
 <groupId>org.springframework.boot</groupId>
 <artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<dependency>
 <groupId>mysql</groupId>
 <artifactId>mysql-connector-java</artifactId>
 <version>5.1.40</version>
</dependency>

CREATE TABLE `user` (
 `id` int(11) NOT NULL AUTO_INCREMENT COMMENT '主键',
 `name` varchar(32) NOT NULL COMMENT '姓名',
 `sex` char(1) NOT NULL COMMENT '性别',
 `email` varchar(64) NOT NULL COMMENT '邮件',
 `mobile` char(11) NOT NULL COMMENT '电话',
 `birthday` date NOT NULL COMMENT '生日',
 PRIMARY KEY (`id`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8 COMMENT='用户表';

INSERT INTO `user` VALUES ('1', '张三', '男', 'zhangsan@163.com', '13800138000', '1990-04-27');
INSERT INTO `user` VALUES ('2', '李四', '女', 'lisi@gmail.com', '15989123654', '1995-08-07');
INSERT INTO `user` VALUES ('3', '王五', '男', 'wangwu@126.com', '18889456321', '1993-11-13');
INSERT INTO `user` VALUES ('4', '赵六', '女', 'zhaoliu@yeah.net', '17702012321', '1991-02-14');

public class User{

 private Integer id;

 private String name;

 private String sex;

 private String email;

 private String mobile;

 private Date birthday;

 // getters and setters

 @Override
 public String toString(){
 return "{id=" + id + ", name='" + name + "', sex='" + sex + "', email='" + email + "', mobile='" + mobile + "', birthday=" + birthday + "}";
 }

}

@Repository
public class UserDao{

 @Autowired
 private JdbcTemplate jdbcTemplate;

 public List<User> selectAll(){
 return jdbcTemplate.query("SELECT * FROM USER", (rs, rn) -> {
 User user = new User();
 user.setId(rs.getInt("id"));
 user.setName(rs.getString("name"));
 user.setSex(rs.getString("sex"));
 user.setEmail(rs.getString("email"));
 user.setMobile(rs.getString("mobile"));
 user.setBirthday(rs.getDate("birthday"));
 return user;
 });
 }

 public void save(User user){
 jdbcTemplate.update("INSERT INTO USER(NAME, SEX, EMAIL, MOBILE, BIRTHDAY) VALUES (?, ?, ?, ?, ?)",
 user.getName(), user.getSex(), user.getEmail(), user.getMobile(), user.getBirthday());
 }

}

spring:
 main:
 banner-mode: 'off'
 datasource:
 url: jdbc:mysql://127.0.0.1/spring_boot_testing_storage
 username: root
 password: root
 driver-class-name: com.mysql.jdbc.Driver

logging:
 level:
 root: warn
 org.springframework.jdbc.core.JdbcTemplate: debug

@SpringBootApplication
public class Application implements ApplicationRunner{

 @Autowired
 private UserDao userDao;

 @Override
 public void run(ApplicationArguments args) throws Exception{
 System.out.println("===================== 新增 =====================");
 User user = new User();
 user.setName("fanlychie");
 user.setSex("男");
 user.setEmail("fanlychie@yeah.net");
 user.setMobile("15989166266");
 user.setBirthday(new Date());
 userDao.save(user);
 System.out.println("Saved");
 System.out.println("===================== 查询 =====================");
 userDao.selectAll().forEach(System.out::println);
 }

 public static void main(String[] args){
 SpringApplication.run(Application.class);
 }

}