스프링부트에서 MyBatis 샘플 프로그램입니다.
1. MySQL DDL & DML 생성
CREATE TABLE MEMBER (ID INT PRIMARY KEY, NAME VARCHAR(50), PHONE VARCHAR(20));
INSERT INTO MEMBER (ID, NAME, PHONE) VALUES (1, 'xml', '010-9912-1234');
INSERT INTO MEMBER (ID, NAME, PHONE) VALUES (2, 'annotation', '010-2333-4321');
mysql> desc MEMBER;
+-------+-------------+------+-----+---------+-------+
| Field | Type | Null | Key | Default | Extra |
+-------+-------------+------+-----+---------+-------+
| ID | int(11) | NO | PRI | NULL | |
| NAME | varchar(50) | YES | | NULL | |
| PHONE | varchar(20) | YES | | NULL | |
+-------+-------------+------+-----+---------+-------+
3 rows in set (0.00 sec)
mysql> select * from MEMBER;
+----+------------+---------------+
| ID | NAME | PHONE |
+----+------------+---------------+
| 1 | xml | 010-9912-1234 |
| 2 | annotation | 010-2333-4321 |
+----+------------+---------------+
2 rows in set (0.00 sec)
2. pom.xml 파일에 dependency 추가
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>2.0.0</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
</dependency>
</dependencies>
3. application.yml 파일 생성
spring:
datasource:
driverClassName: com.mysql.cj.jdbc.Driver
url: jdbc:mysql://172.21.111.144:3306/test
username: root
password: password
logging:
level:
#org.springframework.boot: DEBUG
sample.springboot.mybatis: DEBUG
4. DataBaseConfig.java 파일 생성
package com.example.demo;
import javax.sql.DataSource;
import org.apache.ibatis.session.SqlSessionFactory;
import org.mybatis.spring.SqlSessionFactoryBean;
import org.mybatis.spring.SqlSessionTemplate;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.io.support.PathMatchingResourcePatternResolver;
import org.springframework.transaction.annotation.EnableTransactionManagement;
@Configuration
@MapperScan(basePackages="com.example.demo.dao")
@EnableTransactionManagement
public class DataBaseConfig {
@Bean
public SqlSessionFactory sqlSessionFactory(DataSource dataSource) throws Exception {
final SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();
sessionFactory.setDataSource(dataSource);
PathMatchingResourcePatternResolver resolver = new PathMatchingResourcePatternResolver();
sessionFactory.setMapperLocations(resolver.getResources("classpath:com/example/dao/*.xml"));
return sessionFactory.getObject();
}
@Bean
public SqlSessionTemplate sqlSessionTemplate(SqlSessionFactory sqlSessionFactory) throws Exception {
final SqlSessionTemplate sqlSessionTemplate = new SqlSessionTemplate(sqlSessionFactory);
return sqlSessionTemplate;
}
}
5. Member.java 파일 생성
package com.example.demo.model;
public class Member {
private Long id;
private String name;
private String phone;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
@Override
public String toString() {
return "Member [id=" + id + ", name=" + name + ", phone=" + phone + "]";
}
}
6. MemberMapper.java 파일 생성
package com.example.demo.dao;
import java.util.List;
import org.apache.ibatis.annotations.Mapper;
import com.example.demo.model.Member;
@Mapper
public interface MemberMapper {
List<Member> findAll();
Member findById(Long id);
}
7. Member.xml 파일 생성
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.example.demo.dao.MemberMapper">
<select id="findAll" resultType="com.example.demo.model.Member">
SELECT ID, NAME, PHONE FROM MEMBER
</select>
<select id="findById" resultType="com.example.demo.model.Member">
SELECT ID, NAME, PHONE FROM MEMBER WHERE ID = #{id}
</select>
</mapper>
8. MemberController.java 파일 생성
package com.example.demo.controller;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.example.demo.dao.MemberMapper;
import com.example.demo.model.Member;
@RestController
public class MemberController {
@Autowired
MemberMapper memberMapper;
@RequestMapping("members")
public List<Member> members() {
return memberMapper.findAll();
}
@RequestMapping("member/{id}")
public Member member(@PathVariable("id") Long id) {
return memberMapper.findById(id);
}
}
9. 실행 및 결과 확인
http://localhost:8080/members
[{"id":1,"name":"xml","phone":"010-9912-1234"},{"id":2,"name":"annotation","phone":"010-2333-4321"}]
http://localhost:8080/member/1
{"id":1,"name":"xml","phone":"010-9912-1234"}
# 참고
https://github.com/sbcoba/spring-boot-mybatis/ --> spring-boot-mybatis-sample-xml
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