aaa

         <plugin>
                <groupId>org.flywaydb</groupId>
                <artifactId>flyway-maven-plugin</artifactId>
                <version>${flyway.version}</version>
                <executions>
                    <execution>
                        <id>flyway-migrate-for-codegen</id>
                        <phase>generate-sources</phase>
                        <goals>
                            <goal>migrate</goal>
                        </goals>
                    </execution>
                </executions>
                <configuration>
                    <!-- 数据库连接，来自 .env 文件 -->
                    <url>${DB_URL}</url>
                    <user>${DB_USER}</user>
                    <password>${DB_PASSWORD}</password>

                    <!-- 必须与运行时 FlywayConfig 保持一致 -->
                    <table>flyway_schema_history</table>
                    <baselineOnMigrate>true</baselineOnMigrate>
                    <baselineVersion>0</baselineVersion>
                    <validateOnMigrate>true</validateOnMigrate>

                    <!-- 迁移脚本位置，filesystem: 对应 classpath: -->
                    <locations>
                        <location>filesystem:${project.basedir}/src/main/resources/db/migration</location>
                    </locations>

                    <!-- 本地开发允许 clean，运行时禁止 -->
                    <cleanDisabled>false</cleanDisabled>

                    <!-- 编码 -->
                    <encoding>UTF-8</encoding>

                    <!-- 出错时不继续 -->
                    <outOfOrder>false</outOfOrder>
                </configuration>
                <dependencies>
                    <!-- 根据你的数据库类型选择 -->
                    <dependency>
                        <groupId>org.postgresql</groupId>
                        <artifactId>postgresql</artifactId>
                        <version>42.7.3</version>
                    </dependency>
                </dependencies>
            </plugin>