springboot2.0系列三（整合JdbcTemplate）

springboot整合JdbcTemplate

pom文件引入

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-parent</artifactId>

<version>2.0.0.RELEASE</version>

</parent>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-jdbc</artifactId>

</dependency>

<groupId>mysql</groupId>

<artifactId>mysql-connector-java</artifactId>

</dependency>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-test</artifactId>

</dependency>

<groupId>org.springframework.boot</groupId>

<artifactId>spring-boot-starter-web</artifactId>

</dependency>

</dependencies>

application.properties新增配置

spring.datasource.url=jdbc:mysql://localhost:3306/test

spring.datasource.username=root

spring.datasource.password=root

spring.datasource.driver-class-name=com.mysql.jdbc.Driver

UserService类

package com.example.demo.service;

  

  import org.springframework.beans.factory.annotation.Autowired;

  import org.springframework.jdbc.core.JdbcTemplate;

  import org.springframework.stereotype.Service;

  

  @Service

  

  public class UserService{

  

 @Autowired

  

 private JdbcTemplate jdbcTemplate;

  

 public void createUser(String name, Integer age) {

  

  jdbcTemplate.update("insert into users values(null,?,?);", name, age);

  

 }

  

}

UserControlle类

package com.example.demo.controller;

  

  import com.example.demo.service.UserService;

  import org.springframework.beans.factory.annotation.Autowired;

  import org.springframework.web.bind.annotation.RequestMapping;

  import org.springframework.web.bind.annotation.RestController;

  

  @RestController

  public class UserController {

    @Autowired

    UserService userService;

  

    @RequestMapping("/insertUser")

    public void index(String name,Integer age) {

  

       userService.createUser(name,age);

  

    }

}

App类

@SpringBootApplication

public class App {

public static void main(String[] args) {

SpringApplication.run(App.class, args);

}

启动项目

效果

调用接口 http://localhost:8080/insertUser?name=zhangsan&age=22

数据库新增一条数据