> For the complete documentation index, see [llms.txt](https://blakes-organization.gitbook.io/rainsister/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://blakes-organization.gitbook.io/rainsister/springboot-2.x/database-connection/xml-mybatis.md).

# XML 로 Mybatis 설정하기

#### main class 작성

```java
@MapperScan("com.blake.demo.mapper")
@SpringBootApplication
public class XmlMaybatisApplication {

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

}
```

#### Mapper interface 작성

```java
public interface UserMapper {

    User findByName(@Param("name") String name);

    int insert(@Param("name") String name, @Param("age") Integer age);

}
```

#### .properties 혹은 .yml 파일에 설정 추가

```
mybatis.mapper-locations=classpath:mapper/*.xml
```

#### 테스트 코드 작성

```xml
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.blake.demo.mapper.UserMapper">
    <select id="findByName" resultType="com.blake.demo.entity.User">
        SELECT * FROM USER WHERE NAME = #{name}
    </select>

    <insert id="insert">
        INSERT INTO USER(NAME, AGE) VALUES(#{name}, #{age})
    </insert>
</mapper>
```

끝!


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