```xml <properties> <org.mapstruct.version>1.4.2.Final</org.mapstruct.version> <org.projectlombok.version>1.18.12</org.projectlombok.version> </properties> <dependencies> <dependency> <groupId>org.mapstruct</groupId> <artifactId>mapstruct</artifactId> <version>${org.mapstruct.version}</version> </dependency> <dependency> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <version>${org.projectlombok.version}</version> </dependency> </dependencies> <build> <plugins> <!-- 由于MapStruct在编译时工作，并且会集成到像Maven和Gradle这样的构建工具上，我们还必须在<build中/>标签 中添加一个插件maven-compiler-plugin，并在其配置中添加annotationProcessorPaths， 该插件会在构建时生成对应的代码。 --> <plugin> <groupId>org.apache.maven.plugins</groupId> <artifactId>maven-compiler-plugin</artifactId> <version>3.8.1</version> <configuration> <source>1.8</source> <target>1.8</target> <annotationProcessorPaths> <path> <groupId>org.mapstruct</groupId> <artifactId>mapstruct-processor</artifactId> <version>${org.mapstruct.version}</version> </path> <path> <groupId>org.projectlombok</groupId> <artifactId>lombok</artifactId> <version>${org.projectlombok.version}</version> </path> </annotationProcessorPaths> </configuration> </plugin> </plugins> </build> ```