考虑分库分表的场景下，如何实现通过Flyway在多数据源时做数据库版本更新。

实现方案

1. 首先，关闭Flyway自动配置

spring:flyway:#关闭flyway自动配置，自定义实现enabled: false

1. 其次，配置数据库多数据源

datasource:# 主库数据源 master:driver-class-name: com.mysql.cj.jdbc.Driverurl: jdbc:mysql://192.168.16.155:3306/edu01?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&serverTimezone=GMT%2B8username: rootpassword: 123456# 从库数据源 slave:driver-class-name: com.mysql.cj.jdbc.Driverurl: jdbc:mysql://192.168.16.155:3306/edu02?useUnicode=true&characterEncoding=utf8&zeroDateTimeBehavior=convertToNull&useSSL=false&serverTimezone=GMT%2B8 username: rootpassword: 123456

1. 自定义实现Flyway配置类，遍历数据源进行数据库迁移

package com.ruoyi.system.config;import com.baomidou.dynamic.datasource.DynamicRoutingDataSource;
import lombok.extern.slf4j.Slf4j;
import org.flywaydb.core.Flyway;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.transaction.annotation.EnableTransactionManagement;import javax.sql.DataSource;
import java.util.Map;@Slf4j
@Configuration
@EnableTransactionManagement
public class FlywayConfig {@Autowiredprivate DataSource dataSource;@Beanpublic void migrate() {log.info("开始执行数据库迁移");DynamicRoutingDataSource ds = (DynamicRoutingDataSource) dataSource;Map<String, DataSource> dataSourceMap = ds.getDataSources();dataSourceMap.forEach((k, v) -> {Flyway flyway = Flyway.configure().dataSource(v).baselineOnMigrate(true).baselineVersion("0.1")  // 基线版本.baselineDescription(k + "初始化").locations("classpath:db/migration")  // sql脚本存放地址.load();flyway.migrate(); // 执行版本迁移log.info("{} 数据库迁移完成", k);});}
}