this is my problems problem childProblem and this's project structure project structure I have tried many methods, but it doesn’t seem to be the main problem. I don’t know if it’s because I missed something or if it was a configuration error that caused a conflict, or if I wrote mybatis plus wrong.
I used mybatis plus, below is some main code
//Controller.java
@RestController
public class ImagesController {
@Autowired
ImageService imageService;
@GetMapping("/images")
public Result list(@RequestParam(defaultValue = "1") Integer currentPage) {
Page page = new Page(currentPage, 5);
IPage pageData = imageService.page(page, new QueryWrapper<Image>().orderByDesc("created"));
return Result.succ(pageData);
}
@PostMapping("/images")
public Result upload(@Validated @RequestBody ImageVO imageVO) {
Image image = imageVO.createImage();
int id = imageService.update(image);
return Result.succ(id);
}
}
//ImageService Interface
public interface ImageService extends IService<Image> {
int update(Image image);
}
//ImageServiceImpl.java
@Service()
public class ImageServiceImpl extends ServiceImpl<ImageMapper, Image> implements ImageService {
@Override
public int update(Image image) {
return 0;
}
}
//mapper
@Mapper
public interface ImageMapper extends BaseMapper<Image> {
}
//Startup class
@SpringBootApplication
@MapperScan("com.example.imageshare.mapper")
public class ImageshareApplication {
public static void main(String[] args) {
SpringApplication.run(ImageshareApplication.class, args);
}
}
<?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>3.1.5</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.example</groupId>
<artifactId>imageshare</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>imageshare</name>
<description>imageshare</description>
<properties>
<java.version>17</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
<optional>true</optional>
</dependency>
<dependency>
<groupId>com.mysql</groupId>
<artifactId>mysql-connector-j</artifactId>
<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>com.baomidou</groupId>
<artifactId>mybatis-plus-boot-starter</artifactId>
<version>3.4.2</version>
</dependency>
<!-- hutool工具类-->
<dependency>
<groupId>cn.hutool</groupId>
<artifactId>hutool-all</artifactId>
<version>5.3.3</version>
</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>
what exactly caused this problem?
i don't know what to do