pom.xml:
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>spring-boot-02</artifactId>
<groupId>com.keafmd</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>spring-boot-08</artifactId>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- 解析jsp类库 -->
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
</dependency>
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>
<!-- JDBC-启动器, 默认的数据源 HikariCP -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-jdbc</artifactId>
</dependency>
<!-- JDBC-启动器, 默认的数据源 HikariCP -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.46</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
</dependency>
</dependencies>
</project>
server:
port: 80
spring:
datasource:
url: jdbc:mysql://127.0.0.1:3306/ssm-java1?useSSL=false
driver-class-name: com.mysql.jdbc.Driver
username: root
password: 18044229
package com.keafmd;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
/**
* Keafmd
*
* @ClassName: App08
* @Description:
* @author: 牛哄哄的柯南
* @Date: 2021-04-08 11:48
* @Blog: https://keafmd.blog.csdn.net/
*/
@SpringBootApplication
public class App08 {
public static void main(String[] args) {
SpringApplication.run(App08.class, args);
}
}
UserDao:
package com.keafmd.dao;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Repository;
import java.util.List;
/**
* Keafmd
*
* @ClassName: UserDao
* @Description:
* @author: 牛哄哄的柯南
* @Date: 2021-04-08 11:47
* @Blog: https://keafmd.blog.csdn.net/
*/
@Repository
public class UserDao {
@Autowired
JdbcTemplate jdbcTemplate;
public List userList(){
String sql ="select * from user";
return jdbcTemplate.queryForList(sql);
}
}
IUserService :
package com.keafmd.service;
import java.util.List;
/**
* Keafmd
*
* @ClassName: IUserService
* @Description:
* @author: 牛哄哄的柯南
* @Date: 2021-04-08 11:59
* @Blog: https://keafmd.blog.csdn.net/
*/
public interface IUserService {
List list();
}
UserServiceImpl:
package com.keafmd.service.impl;
import com.keafmd.dao.UserDao;
import com.keafmd.service.IUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import java.util.List;
/**
* Keafmd
*
* @ClassName: UserServiceImpl
* @Description:
* @author: 牛哄哄的柯南
* @Date: 2021-04-08 12:00
* @Blog: https://keafmd.blog.csdn.net/
*/
@Service
public class UserServiceImpl implements IUserService {
@Autowired
UserDao userDao;
@Override
public List list() {
return userDao.userList();
}
}
UserController:
package com.keafmd.controller;
import com.keafmd.service.IUserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import java.util.List;
/**
* Keafmd
*
* @ClassName: UserController
* @Description:
* @author: 牛哄哄的柯南
* @Date: 2021-04-08 18:04
* @Blog: https://keafmd.blog.csdn.net/
*/
@RestController
public class UserController {
@Autowired
IUserService userService;
/**
* http://127.0.0.1/userlist
* @return
*/
@RequestMapping("userlist")
List UserList(){
return userService.list();
}
}
UserDaoTest:
package com.keafmd.dao;
import com.keafmd.App08;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import java.util.List;
import static org.junit.jupiter.api.Assertions.*;
@SpringBootTest(classes = App08.class)
class UserDaoTest {
@Autowired
UserDao userDao;
@Test
public void test(){
List userlist = userDao.userList();
for (Object o : userlist) {
System.out.println(o);
}
}
}
运行test方法的效果:
运行启动类,访问:http://127.0.0.1/userlist
以上就是Spring Boot对jdbc的支持【超详细】的全部内容。
看完如果对你有帮助,感谢点赞支持!
如果你是电脑端的话,看到右下角的 “一键三连” 了吗,没错点它[哈哈]
加油!
共同努力!
Keafmd
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