mapper-spring-boot-starter的使用
<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.6.3</version> <relativePath/> <!-- lookup parent from repository --> </parent> <groupId>com.qfedu</groupId> <artifactId>tkmapper-demo</artifactId> <version>0.0.1-SNAPSHOT</version> <name>tkmapper-demo</name> <description>Demo project for Spring Boot</description> <properties> <java.version>1.8</java.version> </properties> <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>2.2.2</version> </dependency> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>5.1.47</version> <scope>runtime</scope> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <optional>true</optional> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-test</artifactId> <scope>test</scope> </dependency> <dependency> <groupId>tk.mybatis</groupId> <artifactId>mapper-spring-boot-starter</artifactId> <version>2.1.5</version> </dependency> <dependency> <groupId>junit</groupId> <artifactId>junit</artifactId> <version>4.13</version> <scope>test</scope> </dependency> </dependencies> <build> <plugins> <plugin> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-maven-plugin</artifactId> <configuration> <excludes> <exclude> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> </exclude> </excludes> </configuration> </plugin> </plugins> </build> </project>
bean
package com.qfedu.tkmapperdemo.bean;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import lombok.ToString;
import javax.persistence.Table;
@ToString
@Data
@AllArgsConstructor
@NoArgsConstructor
@Table(name="user")
public class User {
private String sName;
private String sPassword;
}
dao层
package com.qfedu.tkmapperdemo.dao; import com.qfedu.tkmapperdemo.bean.User; import tk.mybatis.mapper.common.Mapper; import tk.mybatis.mapper.common.MySqlMapper; public interface UserDAO extends Mapper<User>, MySqlMapper<User> { }
TkmapperDemoApplication
package com.qfedu.tkmapperdemo; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import tk.mybatis.spring.annotation.MapperScan; @MapperScan("com.qfedu.tkmapperdemo.dao") @SpringBootApplication public class TkmapperDemoApplication { public static void main(String[] args) { SpringApplication.run(TkmapperDemoApplication.class, args); } }
application.properties
spring.datasource.driver-class-name=com.mysql.jdbc.Driver spring.datasource.url=jdbc:mysql://localhost:3306/my?characterEncoding=utf-8&useSSL=false spring.datasource.username=root spring.datasource.password=root mybatis.type-aliases-package=com.qfedu.tkmapperdemo.bean mybatis.mapper-locations=classpath:mappers/*Mapper.xml
UserDAOTest
package com.qfedu.tkmapperdemo.dao; import com.qfedu.tkmapperdemo.TkmapperDemoApplication; import com.qfedu.tkmapperdemo.bean.User; import org.junit.Test; import org.junit.runner.RunWith; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.test.context.SpringBootTest; import org.springframework.test.context.junit4.SpringRunner; import static org.junit.Assert.*; @RunWith(SpringRunner.class) @SpringBootTest(classes=TkmapperDemoApplication.class) public class UserDAOTest { @Autowired private UserDAO userDAO; @Test public void test(){ User user=new User(); user.setSName("hhhhh"); user.setSPassword("123456789"); int insert = userDAO.insert(user); System.out.println(userDAO); } }