5分钟快速学会spring boot整合JdbcTemplate的方法

 <parent>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-parent</artifactId>
  <version>2.1.8.RELEASE</version>
 </parent>

 <dependencies>
  <!-- SpringBoot 整合 jdbc -->
  <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-jdbc</artifactId>
  </dependency>

  <!-- mysql 驱动 -->
  <dependency>
   <groupId>mysql</groupId>
   <artifactId>mysql-connector-java</artifactId>
   <version>5.1.38</version>
  </dependency>

  <!-- SpringBoot 测试 -->
  <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-test</artifactId>
   <scope>test</scope>
  </dependency>

  <!-- SpringBoot web组件 -->
  <dependency>
   <groupId>org.springframework.boot</groupId>
   <artifactId>spring-boot-starter-web</artifactId>
  </dependency>
 </dependencies>

spring:
 datasource:
 url: jdbc:mysql://localhost:3306/yys_springboot_jdbc
 username: root
 password: 123456
 driver-class-name: com.mysql.jdbc.Driver

/**
 * 用户管理
 *  Controller
 * @author yys
 */
@RestController
@RequestMapping("/user")
public class UserController {

 @Autowired
 private UserService userService;

 @RequestMapping("/add")
 public String addUser(String userName, Integer age) {
  return userService.addUser(userName, age) ? "success" : "fail";
 }
}

/**
 * 用户管理
 *  Service
 * @author yys
 */
@Service
public class UserService {

 @Autowired
 private JdbcTemplate jdbcTemplate;

 public boolean addUser(String userName, Integer age) {
  return jdbcTemplate.update("insert into yys_user values(null, ?, ?, 1, now(), now());", userName, age) > 0 ? true : false;
 }
}

@SpringBootApplication
public class YysApp {

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

CREATE TABLE `yys_user` (
 `id` bigint(11) NOT NULL AUTO_INCREMENT COMMENT 'ID，自增列',
 `user_name` varchar(32) NOT NULL COMMENT '用户名',
 `age` int(11) NOT NULL COMMENT '用户年龄',
 `status` tinyint(2) NOT NULL DEFAULT '1' COMMENT '状态：-1-删除；1-正常；',
 `create_time` datetime NOT NULL COMMENT '创建时间',
 `update_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '更新时间',
 PRIMARY KEY (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=utf8mb4;