pom.xml

<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
                             http://maven.apache.org/xsd/maven-4.0.0.xsd">

    <!-- 基本坐标 -->
    <modelVersion>4.0.0</modelVersion>
    <groupId>com.example</groupId>
    <artifactId>simple-maven-project</artifactId>
    <version>1.0-SNAPSHOT</version>

    <!-- 指定 Java 版本 -->
    <properties>
        <!-- 使用 Java 9，以支持接口中的 private 方法 -->
        <maven.compiler.source>9</maven.compiler.source>
        <!-- 如果还没定义，请添加 QueryDSL 版本 -->
        <querydsl.version>5.0.0</querydsl.version>
    </properties>

    <!-- 添加依赖 -->
    <dependencies>
        <!-- Apache Commons Lang3，用于 Pair 等工具类 -->
        <dependency>
            <groupId>org.apache.commons</groupId>
            <artifactId>commons-lang3</artifactId>
            <version>3.12.0</version>
        </dependency>
        <dependency>
            <groupId>javax.persistence</groupId>
            <artifactId>javax.persistence-api</artifactId>
            <version>2.2</version>
        </dependency>
        <dependency>
            <groupId>org.hibernate</groupId>
            <artifactId>hibernate-core</artifactId>
            <version>5.6.14.Final</version>
        </dependency>
        <dependency>
            <groupId>com.mysql</groupId>
            <artifactId>mysql-connector-j</artifactId>
            <version>8.0.32</version>
        </dependency>
        <dependency>
            <groupId>org.slf4j</groupId>
            <artifactId>slf4j-api</artifactId>
            <version>1.7.36</version>
        </dependency>
        <!-- QueryDSL -->
        <dependency>
            <groupId>com.querydsl</groupId>
            <artifactId>querydsl-jpa</artifactId>
            <version>${querydsl.version}</version>
        </dependency>
        <dependency>
            <groupId>com.querydsl</groupId>
            <artifactId>querydsl-apt</artifactId>
            <version>${querydsl.version}</version>
            <scope>provided</scope>
        </dependency>
        <dependency>
            <groupId>javax.annotation</groupId>
            <artifactId>javax.annotation-api</artifactId>
            <version>1.3.2</version>
        </dependency>
        <!-- JUnit Jupiter API & Engine for writing and running tests -->
        <dependency>
            <groupId>org.junit.jupiter</groupId>
            <artifactId>junit-jupiter</artifactId>
            <version>5.9.1</version>
            <scope>test</scope>
        </dependency>
        <!-- JUnit Jupiter Engine -->
        <dependency>
            <groupId>org.junit.jupiter</groupId>
            <artifactId>junit-jupiter-engine</artifactId>
            <version>5.9.1</version>
            <scope>test</scope>
        </dependency>
        <!-- 添加 Querydsl 核心依赖 -->
        <dependency>
            <groupId>com.querydsl</groupId>
            <artifactId>querydsl-core</artifactId>
            <version>5.0.0</version>
        </dependency>
        <!-- 添加 Querydsl APT，仅在编译时使用 -->
        <dependency>
            <groupId>com.querydsl</groupId>
            <artifactId>querydsl-apt</artifactId>
            <version>5.0.0</version>
            <scope>provided</scope>
        </dependency>

        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
            <version>2.5.6</version> <!-- 根据需要调整版本 -->
        </dependency>
    </dependencies>

    <!-- 构建配置 -->
    <build>
        <plugins>
            <!-- 编译插件，设定 Java 9 编译 -->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-compiler-plugin</artifactId>
                <version>3.8.1</version>
                <configuration>
                    <release>9</release>
                    <compilerArgs>
                        <arg>--add-modules</arg>
                        <arg>java.xml.ws.annotation</arg>
                    </compilerArgs>
                    <annotationProcessorPaths>
                        <path>
                            <groupId>com.querydsl</groupId>
                            <artifactId>querydsl-apt</artifactId>
                            <version>${querydsl.version}</version>
                            <classifier>jpa</classifier>
                        </path>
                        <path>
                            <groupId>com.querydsl</groupId>
                            <artifactId>querydsl-jpa</artifactId>
                            <version>${querydsl.version}</version>
                        </path>
                        <path>
                            <groupId>javax.annotation</groupId>
                            <artifactId>javax.annotation-api</artifactId>
                            <version>1.3.2</version>
                        </path>
                        <path>
                            <groupId>javax.persistence</groupId>
                            <artifactId>javax.persistence-api</artifactId>
                            <version>2.2</version>
                        </path>
                    </annotationProcessorPaths>
                    <generatedSourcesDirectory>${project.build.directory}/generated-sources/java</generatedSourcesDirectory>
                </configuration>
            </plugin>
            <!-- 执行插件，方便 mvn exec:java 直接运行 -->
            <plugin>
                <groupId>org.codehaus.mojo</groupId>
                <artifactId>exec-maven-plugin</artifactId>
                <version>3.1.0</version>
                <configuration>
                    <mainClass>api.ApiMain</mainClass>
                </configuration>
            </plugin>
            <plugin>
                <groupId>com.mysema.maven</groupId>
                <artifactId>apt-maven-plugin</artifactId>
                <version>1.1.3</version>
                <executions>
                    <execution>
                        <goals>
                            <goal>process</goal>
                        </goals>
                        <configuration>
                            <outputDirectory>${project.build.directory}/generated-sources/java</outputDirectory>
                            <processor>com.querydsl.apt.jpa.JPAAnnotationProcessor</processor>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>
                <artifactId>maven-surefire-plugin</artifactId>
                <version>2.22.2</version>
                <configuration>
                    <includes>
                        <include>**/*Test.java</include>
                    </includes>
                    <!-- 确保 test 可以访问 main 的类 -->
                    <useSystemClassLoader>true</useSystemClassLoader>
                    <useManifestOnlyJar>false</useManifestOnlyJar>
                </configuration>
            </plugin>

            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <version>2.5.6</version>
            </plugin>
            <!-- Optional: 将生成目录加入编译生命周期 -->
            <plugin>
                <groupId>org.codehaus.mojo</groupId>
                <artifactId>build-helper-maven-plugin</artifactId>
                <version>3.2.0</version>
                <executions>
                    <execution>
                        <id>add-source</id>
                        <phase>generate-sources</phase>
                        <goals>
                            <goal>add-source</goal>
                        </goals>
                        <configuration>
                            <sources>
                                <source>${project.build.directory}/generated-sources/java</source>
                            </sources>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
            <!-- 添加 APT 插件配置，生成 Q 类 -->
            <plugin>
                <groupId>com.mysema.maven</groupId>
                <artifactId>apt-maven-plugin</artifactId>
                <version>1.1.3</version>
                <executions>
                    <execution>
                        <goals>
                            <goal>process</goal>
                        </goals>
                        <configuration>
                            <!-- 生成目录，可根据项目实际调整 -->
                            <outputDirectory>target/generated-sources/java</outputDirectory>
                            <processor>com.querydsl.apt.jpa.JPAAnnotationProcessor</processor>
                        </configuration>
                    </execution>
                </executions>
            </plugin>
        </plugins>
    </build>

</project>