{"id":20880,"date":"2024-03-15T21:08:31","date_gmt":"2024-03-15T21:08:31","guid":{"rendered":"https:\/\/www.silicloud.com\/blog\/how-to-configure-mybatis-in-spring-boot\/"},"modified":"2024-03-21T19:09:04","modified_gmt":"2024-03-21T19:09:04","slug":"how-to-configure-mybatis-in-spring-boot","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/blog\/how-to-configure-mybatis-in-spring-boot\/","title":{"rendered":"How to configure MyBatis in Spring Boot?"},"content":{"rendered":"

To configure MyBatis in Spring Boot, you need to complete the following steps:<\/p>\n

1. Add MyBatis and necessary dependencies: Start by adding the required dependencies in your `pom.xml` file. Normally, this includes `mybatis-spring-boot-starter` and the appropriate database driver dependencies.<\/p>\n

Example snippet of `pom.xml`:<\/p>\n

<dependencies>
<\/p>
    <!-- MyBatis --><\/p>
    <dependency><\/p>
        <groupId>org.mybatis.spring.boot<\/groupId><\/p>
        <artifactId>mybatis-spring-boot-starter<\/artifactId><\/p>
        <version>2.2.0<\/version><\/p>
    <\/dependency><\/p>
    <!-- \u6570\u636e\u5e93\u9a71\u52a8\u7a0b\u5e8f\u4f9d\u8d56\u9879\uff0c\u4f8b\u5982 MySQL<\/span> --><\/p>
    <dependency><\/p>
        <groupId>mysql<\/groupId><\/p>
        <artifactId>mysql-connector-java<\/artifactId><\/p>
        <version>8.0.23<\/version><\/p>
    <\/dependency><\/p>
<\/dependencies><\/p><\/pre>\n
2. Set up database connection information: Provide the relevant connection information for your database in the `application.properties` file, such as the URL, username, and password.<\/p>\n
Example of the `application.properties` file:<\/p>\n
# \u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f
<\/p>
spring.datasource.url=jdbc:mysql:\/\/localhost:3306\/mydatabase<\/p>
spring.datasource.username=root<\/p>
spring.datasource.password=your_password<\/p>
spring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver<\/p>
# MyBatis\u914d\u7f6e<\/p>
mybatis.mapper-locations=classpath:mapper\/*.xml<\/p>
mybatis.type-aliases-package=com.example.model<\/p><\/pre>\n
Please make sure to replace `mydatabase` in the above example with the actual name of your database, and use the correct database connection URL, username, and password.<\/p>\n
3. Create a data source and SqlSessionFactory Bean: In the configuration class of your Spring Boot application, set up a data source and SqlSessionFactory Bean.<\/p>\n
Sample configuration class:<\/p>\n
@Configuration
<\/p>
@MapperScan(\"com.example.mapper\") \/\/ \u6307\u5b9aMyBatis Mapper\u63a5\u53e3\u7684\u626b\u63cf\u8def\u5f84<\/p>
public class MyBatisConfig {<\/p>
    @Autowired<\/p>
    private DataSource dataSource;<\/p>
    @Bean<\/p>
    public SqlSessionFactory sqlSessionFactory() throws Exception {<\/p>
        SqlSessionFactoryBean sessionFactory = new SqlSessionFactoryBean();<\/p>
        sessionFactory.setDataSource(dataSource);<\/p>
        return sessionFactory.getObject();<\/p>
    }<\/p>
}<\/p><\/pre>\n
Please make sure to replace `com.example.mapper` in the above example with the actual package name where your Mapper interface is located.<\/p>\n
4. Create a Mapper interface and its corresponding XML mapping file, where you define the SQL query statements and result mapping rules.<\/p>\n
Example of Mapper interface:<\/p>\n
@Mapper
<\/p>
public interface UserMapper {<\/p>
    List<User> getAllUsers();<\/p>
    User getUserById(Long id);<\/p>
    void insertUser(User user);<\/p>
    void updateUser(User user);<\/p>
    void deleteUser(Long id);<\/p>
}<\/p><\/pre>\n
Example XML mapping file (UserMapper.xml):<\/p>\n
<?xml version=\"1.0\" encoding=\"UTF-8\" ?>
<\/p>
<!DOCTYPE mapper PUBLIC \"-\/\/mybatis.org\/\/DTD Mapper 3.0\/\/EN\"<\/p>
\"http:\/\/mybatis.org\/dtd\/mybatis-3-mapper.dtd\"><\/p>
<mapper namespace=\"com.example.mapper.UserMapper\"><\/p>
    <select id=\"getAllUsers\" resultType=\"com.example.model.User\"><\/p>
        SELECT * FROM users<\/p>
    <\/select><\/p>
    <!-- \u5176\u4ed6SQL\u8bed\u53e5... --><\/p>
<\/mapper><\/p><\/pre>\n
Please make sure to replace `com.example.mapper.UserMapper` and `com.example.model.User` in the above example with your actual Mapper interface and model class.<\/p>\n
5. Inject and use Mapper where MyBatis is needed: In your service class or elsewhere, inject the Mapper interface using the @Autowired annotation and use the methods defined within it to perform database operations.<\/p>\n
Example of Service class:<\/p>\n
@Service
<\/p>
public class UserService {<\/p>
    @Autowired<\/p>
    private UserMapper userMapper;<\/p>
    public List<User> getAllUsers() {<\/p>
        return userMapper.getAllUsers();<\/p>
    }<\/p>
    \/\/ \u5176\u4ed6\u65b9\u6cd5...<\/p>
}<\/p><\/pre>\n
By doing this, you have completed the process of configuring MyBatis in Spring Boot. You can expand and adjust the configuration as needed to meet your specific requirements.<\/p>\n","protected":false},"excerpt":{"rendered":"
To configure MyBatis in Spring Boot, you need to complete the following steps: 1. Add MyBatis and necessary dependencies: Start by adding the required dependencies in your `pom.xml` file. Normally, this includes `mybatis-spring-boot-starter` and the appropriate database driver dependencies. Example snippet of `pom.xml`: <dependencies>    <!– MyBatis –>    <dependency>        <groupId>org.mybatis.spring.boot<\/groupId>        <artifactId>mybatis-spring-boot-starter<\/artifactId>        <version>2.2.0<\/version>    <\/dependency>    <!– \u6570\u636e\u5e93\u9a71\u52a8\u7a0b\u5e8f\u4f9d\u8d56\u9879\uff0c\u4f8b\u5982 MySQL –>    <dependency>        <groupId>mysql<\/groupId>        <artifactId>mysql-connector-java<\/artifactId>        <version>8.0.23<\/version>    <\/dependency><\/dependencies> 2. Set up database connection information: Provide the relevant connection information […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_import_markdown_pro_load_document_selector":0,"_import_markdown_pro_submit_text_textarea":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-20880","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\nHow to configure MyBatis in Spring Boot? - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/blog\/how-to-configure-mybatis-in-spring-boot\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to configure MyBatis in Spring Boot?\" \/>\n<meta property=\"og:description\" content=\"To configure MyBatis in Spring Boot, you need to complete the following steps: 1. Add MyBatis and necessary dependencies: Start by adding the required dependencies in your `pom.xml` file. Normally, this includes `mybatis-spring-boot-starter` and the appropriate database driver dependencies. Example snippet of `pom.xml`: <dependencies>    <!-- MyBatis -->    <dependency>        <groupId>org.mybatis.spring.boot<\/groupId>        <artifactId>mybatis-spring-boot-starter<\/artifactId>        <version>2.2.0<\/version>    <\/dependency>    <!-- \u6570\u636e\u5e93\u9a71\u52a8\u7a0b\u5e8f\u4f9d\u8d56\u9879\uff0c\u4f8b\u5982 MySQL -->    <dependency>        <groupId>mysql<\/groupId>        <artifactId>mysql-connector-java<\/artifactId>        <version>8.0.23<\/version>    <\/dependency><\/dependencies> 2. 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